]>
Commit | Line | Data |
---|---|---|
463acbe1 | 1 | /* |
98e1a418 | 2 | (See Documentation/git-fast-import.txt for maintained documentation.) |
463acbe1 SP |
3 | Format of STDIN stream: |
4 | ||
5 | stream ::= cmd*; | |
6 | ||
7 | cmd ::= new_blob | |
c44cdc7e | 8 | | new_commit |
463acbe1 | 9 | | new_tag |
5fced8dc | 10 | | reset_branch |
8c1f22da | 11 | | checkpoint |
ac053c02 | 12 | | progress |
463acbe1 SP |
13 | ; |
14 | ||
c44cdc7e | 15 | new_blob ::= 'blob' lf |
c905e090 | 16 | mark? |
c44cdc7e SP |
17 | file_content; |
18 | file_content ::= data; | |
463acbe1 | 19 | |
c44cdc7e | 20 | new_commit ::= 'commit' sp ref_str lf |
00e2b884 | 21 | mark? |
74fbd118 SP |
22 | ('author' (sp name)? sp '<' email '>' sp when lf)? |
23 | 'committer' (sp name)? sp '<' email '>' sp when lf | |
00e2b884 | 24 | commit_msg |
a8dd2e7d JH |
25 | ('from' sp committish lf)? |
26 | ('merge' sp committish lf)* | |
c44cdc7e | 27 | file_change* |
1fdb649c | 28 | lf?; |
c44cdc7e | 29 | commit_msg ::= data; |
463acbe1 | 30 | |
b6f3481b SP |
31 | file_change ::= file_clr |
32 | | file_del | |
33 | | file_rnm | |
34 | | file_cpy | |
35 | | file_obm | |
36 | | file_inm; | |
825769a8 | 37 | file_clr ::= 'deleteall' lf; |
b715cfbb | 38 | file_del ::= 'D' sp path_str lf; |
f39a946a | 39 | file_rnm ::= 'R' sp path_str sp path_str lf; |
b6f3481b | 40 | file_cpy ::= 'C' sp path_str sp path_str lf; |
b715cfbb SP |
41 | file_obm ::= 'M' sp mode sp (hexsha1 | idnum) sp path_str lf; |
42 | file_inm ::= 'M' sp mode sp 'inline' sp path_str lf | |
43 | data; | |
a8dd2e7d JH |
44 | note_obm ::= 'N' sp (hexsha1 | idnum) sp committish lf; |
45 | note_inm ::= 'N' sp 'inline' sp committish lf | |
46 | data; | |
c44cdc7e SP |
47 | |
48 | new_tag ::= 'tag' sp tag_str lf | |
a8dd2e7d | 49 | 'from' sp committish lf |
74fbd118 | 50 | ('tagger' (sp name)? sp '<' email '>' sp when lf)? |
c44cdc7e SP |
51 | tag_msg; |
52 | tag_msg ::= data; | |
53 | ||
9938ffc5 | 54 | reset_branch ::= 'reset' sp ref_str lf |
a8dd2e7d | 55 | ('from' sp committish lf)? |
1fdb649c | 56 | lf?; |
5fced8dc | 57 | |
7bfe6e26 | 58 | checkpoint ::= 'checkpoint' lf |
1fdb649c | 59 | lf?; |
7bfe6e26 | 60 | |
ac053c02 SP |
61 | progress ::= 'progress' sp not_lf* lf |
62 | lf?; | |
63 | ||
c44cdc7e SP |
64 | # note: the first idnum in a stream should be 1 and subsequent |
65 | # idnums should not have gaps between values as this will cause | |
66 | # the stream parser to reserve space for the gapped values. An | |
c905e090 | 67 | # idnum can be updated in the future to a new object by issuing |
c44cdc7e | 68 | # a new mark directive with the old idnum. |
c905e090 | 69 | # |
c44cdc7e | 70 | mark ::= 'mark' sp idnum lf; |
3b4dce02 | 71 | data ::= (delimited_data | exact_data) |
2c570cde | 72 | lf?; |
3b4dce02 SP |
73 | |
74 | # note: delim may be any string but must not contain lf. | |
75 | # data_line may contain any data but must not be exactly | |
76 | # delim. | |
77 | delimited_data ::= 'data' sp '<<' delim lf | |
78 | (data_line lf)* | |
c905e090 | 79 | delim lf; |
c44cdc7e SP |
80 | |
81 | # note: declen indicates the length of binary_data in bytes. | |
3ea3c215 | 82 | # declen does not include the lf preceding the binary data. |
c44cdc7e | 83 | # |
3b4dce02 SP |
84 | exact_data ::= 'data' sp declen lf |
85 | binary_data; | |
c44cdc7e SP |
86 | |
87 | # note: quoted strings are C-style quoting supporting \c for | |
88 | # common escapes of 'c' (e..g \n, \t, \\, \") or \nnn where nnn | |
c905e090 | 89 | # is the signed byte value in octal. Note that the only |
c44cdc7e SP |
90 | # characters which must actually be escaped to protect the |
91 | # stream formatting is: \, " and LF. Otherwise these values | |
c905e090 | 92 | # are UTF8. |
c44cdc7e | 93 | # |
a8dd2e7d | 94 | committish ::= (ref_str | hexsha1 | sha1exp_str | idnum); |
6c3aac1c SP |
95 | ref_str ::= ref; |
96 | sha1exp_str ::= sha1exp; | |
97 | tag_str ::= tag; | |
c44cdc7e | 98 | path_str ::= path | '"' quoted(path) '"' ; |
b715cfbb SP |
99 | mode ::= '100644' | '644' |
100 | | '100755' | '755' | |
9981b6d9 | 101 | | '120000' |
b715cfbb | 102 | ; |
c44cdc7e SP |
103 | |
104 | declen ::= # unsigned 32 bit value, ascii base10 notation; | |
2104838b | 105 | bigint ::= # unsigned integer value, ascii base10 notation; |
463acbe1 | 106 | binary_data ::= # file content, not interpreted; |
c44cdc7e | 107 | |
63e0c8b3 SP |
108 | when ::= raw_when | rfc2822_when; |
109 | raw_when ::= ts sp tz; | |
110 | rfc2822_when ::= # Valid RFC 2822 date and time; | |
111 | ||
463acbe1 SP |
112 | sp ::= # ASCII space character; |
113 | lf ::= # ASCII newline (LF) character; | |
c44cdc7e SP |
114 | |
115 | # note: a colon (':') must precede the numerical value assigned to | |
c905e090 | 116 | # an idnum. This is to distinguish it from a ref or tag name as |
c44cdc7e | 117 | # GIT does not permit ':' in ref or tag strings. |
c905e090 | 118 | # |
2104838b | 119 | idnum ::= ':' bigint; |
c44cdc7e SP |
120 | path ::= # GIT style file path, e.g. "a/b/c"; |
121 | ref ::= # GIT ref name, e.g. "refs/heads/MOZ_GECKO_EXPERIMENT"; | |
122 | tag ::= # GIT tag name, e.g. "FIREFOX_1_5"; | |
463acbe1 SP |
123 | sha1exp ::= # Any valid GIT SHA1 expression; |
124 | hexsha1 ::= # SHA1 in hexadecimal format; | |
c44cdc7e SP |
125 | |
126 | # note: name and email are UTF8 strings, however name must not | |
c905e090 | 127 | # contain '<' or lf and email must not contain any of the |
c44cdc7e | 128 | # following: '<', '>', lf. |
c905e090 | 129 | # |
c44cdc7e | 130 | name ::= # valid GIT author/committer name; |
463acbe1 | 131 | email ::= # valid GIT author/committer email; |
c44cdc7e SP |
132 | ts ::= # time since the epoch in seconds, ascii base10 notation; |
133 | tz ::= # GIT style timezone; | |
401d53fa | 134 | |
777f80d7 JN |
135 | # note: comments and cat requests may appear anywhere |
136 | # in the input, except within a data command. Any form | |
137 | # of the data command always escapes the related input | |
138 | # from comment processing. | |
401d53fa SP |
139 | # |
140 | # In case it is not clear, the '#' that starts the comment | |
b18cc5a3 | 141 | # must be the first character on that line (an lf |
3ea3c215 | 142 | # preceded it). |
401d53fa | 143 | # |
777f80d7 JN |
144 | cat_blob ::= 'cat-blob' sp (hexsha1 | idnum) lf; |
145 | ||
401d53fa SP |
146 | comment ::= '#' not_lf* lf; |
147 | not_lf ::= # Any byte that is not ASCII newline (LF); | |
463acbe1 SP |
148 | */ |
149 | ||
db5e523f SP |
150 | #include "builtin.h" |
151 | #include "cache.h" | |
152 | #include "object.h" | |
153 | #include "blob.h" | |
463acbe1 | 154 | #include "tree.h" |
7073e69e | 155 | #include "commit.h" |
db5e523f SP |
156 | #include "delta.h" |
157 | #include "pack.h" | |
463acbe1 | 158 | #include "refs.h" |
db5e523f | 159 | #include "csum-file.h" |
c44cdc7e | 160 | #include "quote.h" |
2fb3f6db | 161 | #include "exec_cmd.h" |
50906e04 | 162 | #include "dir.h" |
db5e523f | 163 | |
69e74e74 SP |
164 | #define PACK_ID_BITS 16 |
165 | #define MAX_PACK_ID ((1<<PACK_ID_BITS)-1) | |
436e7a74 SP |
166 | #define DEPTH_BITS 13 |
167 | #define MAX_DEPTH ((1<<DEPTH_BITS)-1) | |
69e74e74 | 168 | |
27d6d290 SP |
169 | struct object_entry |
170 | { | |
3fc366bd | 171 | struct pack_idx_entry idx; |
27d6d290 | 172 | struct object_entry *next; |
436e7a74 SP |
173 | uint32_t type : TYPE_BITS, |
174 | pack_id : PACK_ID_BITS, | |
175 | depth : DEPTH_BITS; | |
27d6d290 SP |
176 | }; |
177 | ||
463acbe1 | 178 | struct object_entry_pool |
27d6d290 | 179 | { |
463acbe1 | 180 | struct object_entry_pool *next_pool; |
27d6d290 SP |
181 | struct object_entry *next_free; |
182 | struct object_entry *end; | |
ac47a738 | 183 | struct object_entry entries[FLEX_ARRAY]; /* more */ |
27d6d290 SP |
184 | }; |
185 | ||
d8397168 SP |
186 | struct mark_set |
187 | { | |
d8397168 SP |
188 | union { |
189 | struct object_entry *marked[1024]; | |
190 | struct mark_set *sets[1024]; | |
191 | } data; | |
6f64f6d9 | 192 | unsigned int shift; |
d8397168 SP |
193 | }; |
194 | ||
ac47a738 SP |
195 | struct last_object |
196 | { | |
05576569 | 197 | struct strbuf data; |
89e0a3a1 | 198 | off_t offset; |
6bb5b329 | 199 | unsigned int depth; |
05576569 | 200 | unsigned no_swap : 1; |
ac47a738 SP |
201 | }; |
202 | ||
463acbe1 SP |
203 | struct mem_pool |
204 | { | |
205 | struct mem_pool *next_pool; | |
206 | char *next_free; | |
207 | char *end; | |
69ae5175 | 208 | uintmax_t space[FLEX_ARRAY]; /* more */ |
463acbe1 SP |
209 | }; |
210 | ||
211 | struct atom_str | |
212 | { | |
213 | struct atom_str *next_atom; | |
10831c55 | 214 | unsigned short str_len; |
463acbe1 SP |
215 | char str_dat[FLEX_ARRAY]; /* more */ |
216 | }; | |
217 | ||
218 | struct tree_content; | |
6bb5b329 SP |
219 | struct tree_entry |
220 | { | |
463acbe1 | 221 | struct tree_content *tree; |
4b25d091 | 222 | struct atom_str *name; |
4cabf858 SP |
223 | struct tree_entry_ms |
224 | { | |
10831c55 | 225 | uint16_t mode; |
4cabf858 SP |
226 | unsigned char sha1[20]; |
227 | } versions[2]; | |
6bb5b329 SP |
228 | }; |
229 | ||
463acbe1 | 230 | struct tree_content |
6bb5b329 | 231 | { |
463acbe1 SP |
232 | unsigned int entry_capacity; /* must match avail_tree_content */ |
233 | unsigned int entry_count; | |
4cabf858 | 234 | unsigned int delta_depth; |
463acbe1 SP |
235 | struct tree_entry *entries[FLEX_ARRAY]; /* more */ |
236 | }; | |
237 | ||
238 | struct avail_tree_content | |
239 | { | |
240 | unsigned int entry_capacity; /* must match tree_content */ | |
241 | struct avail_tree_content *next_avail; | |
6bb5b329 SP |
242 | }; |
243 | ||
244 | struct branch | |
245 | { | |
463acbe1 SP |
246 | struct branch *table_next_branch; |
247 | struct branch *active_next_branch; | |
6bb5b329 | 248 | const char *name; |
463acbe1 | 249 | struct tree_entry branch_tree; |
69e74e74 | 250 | uintmax_t last_commit; |
2a113aee | 251 | uintmax_t num_notes; |
734c91f9 SP |
252 | unsigned active : 1; |
253 | unsigned pack_id : PACK_ID_BITS; | |
463acbe1 | 254 | unsigned char sha1[20]; |
6bb5b329 SP |
255 | }; |
256 | ||
72303d44 SP |
257 | struct tag |
258 | { | |
259 | struct tag *next_tag; | |
260 | const char *name; | |
2369ed79 | 261 | unsigned int pack_id; |
72303d44 SP |
262 | unsigned char sha1[20]; |
263 | }; | |
264 | ||
62b6f483 SP |
265 | struct hash_list |
266 | { | |
267 | struct hash_list *next; | |
268 | unsigned char sha1[20]; | |
269 | }; | |
463acbe1 | 270 | |
63e0c8b3 SP |
271 | typedef enum { |
272 | WHENSPEC_RAW = 1, | |
273 | WHENSPEC_RFC2822, | |
4b05548f | 274 | WHENSPEC_NOW |
63e0c8b3 SP |
275 | } whenspec_type; |
276 | ||
904b1941 SP |
277 | struct recent_command |
278 | { | |
279 | struct recent_command *prev; | |
280 | struct recent_command *next; | |
281 | char *buf; | |
282 | }; | |
283 | ||
0ea9f045 | 284 | /* Configured limits on output */ |
d5c57b28 | 285 | static unsigned long max_depth = 10; |
89e0a3a1 | 286 | static off_t max_packsize; |
5eef828b | 287 | static uintmax_t big_file_threshold = 512 * 1024 * 1024; |
7073e69e | 288 | static int force_update; |
bb23fdfa SP |
289 | static int pack_compression_level = Z_DEFAULT_COMPRESSION; |
290 | static int pack_compression_seen; | |
0ea9f045 SP |
291 | |
292 | /* Stats and misc. counters */ | |
293 | static uintmax_t alloc_count; | |
0ea9f045 SP |
294 | static uintmax_t marks_set_count; |
295 | static uintmax_t object_count_by_type[1 << TYPE_BITS]; | |
296 | static uintmax_t duplicate_count_by_type[1 << TYPE_BITS]; | |
297 | static uintmax_t delta_count_by_type[1 << TYPE_BITS]; | |
a7ddc487 | 298 | static unsigned long object_count; |
6bb5b329 | 299 | static unsigned long branch_count; |
d6c7eb2c | 300 | static unsigned long branch_load_count; |
7073e69e | 301 | static int failure; |
bdf1c06d | 302 | static FILE *pack_edges; |
0f6927c2 | 303 | static unsigned int show_stats = 1; |
9c8398f0 SR |
304 | static int global_argc; |
305 | static const char **global_argv; | |
ac47a738 | 306 | |
463acbe1 SP |
307 | /* Memory pools */ |
308 | static size_t mem_pool_alloc = 2*1024*1024 - sizeof(struct mem_pool); | |
309 | static size_t total_allocd; | |
310 | static struct mem_pool *mem_pool; | |
311 | ||
c44cdc7e | 312 | /* Atom management */ |
463acbe1 SP |
313 | static unsigned int atom_table_sz = 4451; |
314 | static unsigned int atom_cnt; | |
315 | static struct atom_str **atom_table; | |
316 | ||
317 | /* The .pack file being generated */ | |
7bfe6e26 | 318 | static unsigned int pack_id; |
21281816 | 319 | static struct sha1file *pack_file; |
d489bc14 | 320 | static struct packed_git *pack_data; |
7bfe6e26 | 321 | static struct packed_git **all_packs; |
89e0a3a1 | 322 | static off_t pack_size; |
ac47a738 SP |
323 | |
324 | /* Table of objects we've written. */ | |
4cabf858 | 325 | static unsigned int object_entry_alloc = 5000; |
463acbe1 SP |
326 | static struct object_entry_pool *blocks; |
327 | static struct object_entry *object_table[1 << 16]; | |
d8397168 | 328 | static struct mark_set *marks; |
07cd9328 SR |
329 | static const char *export_marks_file; |
330 | static const char *import_marks_file; | |
081751c8 | 331 | static int import_marks_file_from_stream; |
bc3c79ae | 332 | static int relative_marks_paths; |
ac47a738 SP |
333 | |
334 | /* Our last blob */ | |
05576569 | 335 | static struct last_object last_blob = { STRBUF_INIT, 0, 0, 0 }; |
463acbe1 SP |
336 | |
337 | /* Tree management */ | |
338 | static unsigned int tree_entry_alloc = 1000; | |
339 | static void *avail_tree_entry; | |
340 | static unsigned int avail_tree_table_sz = 100; | |
341 | static struct avail_tree_content **avail_tree_table; | |
eec813cf PH |
342 | static struct strbuf old_tree = STRBUF_INIT; |
343 | static struct strbuf new_tree = STRBUF_INIT; | |
8bcce301 | 344 | |
6bb5b329 | 345 | /* Branch data */ |
d5c57b28 SP |
346 | static unsigned long max_active_branches = 5; |
347 | static unsigned long cur_active_branches; | |
348 | static unsigned long branch_table_sz = 1039; | |
463acbe1 SP |
349 | static struct branch **branch_table; |
350 | static struct branch *active_branches; | |
351 | ||
72303d44 SP |
352 | /* Tag data */ |
353 | static struct tag *first_tag; | |
354 | static struct tag *last_tag; | |
355 | ||
c44cdc7e | 356 | /* Input stream parsing */ |
63e0c8b3 | 357 | static whenspec_type whenspec = WHENSPEC_RAW; |
4a241d79 | 358 | static struct strbuf command_buf = STRBUF_INIT; |
1fdb649c | 359 | static int unread_command_buf; |
904b1941 SP |
360 | static struct recent_command cmd_hist = {&cmd_hist, &cmd_hist, NULL}; |
361 | static struct recent_command *cmd_tail = &cmd_hist; | |
362 | static struct recent_command *rc_free; | |
363 | static unsigned int cmd_save = 100; | |
0ea9f045 | 364 | static uintmax_t next_mark; |
eec813cf | 365 | static struct strbuf new_data = STRBUF_INIT; |
f963bd5d | 366 | static int seen_data_command; |
c44cdc7e | 367 | |
dc01f59d JN |
368 | /* Signal handling */ |
369 | static volatile sig_atomic_t checkpoint_requested; | |
370 | ||
85c62395 DB |
371 | /* Where to write output of cat-blob commands */ |
372 | static int cat_blob_fd = STDOUT_FILENO; | |
373 | ||
9c8398f0 | 374 | static void parse_argv(void); |
777f80d7 | 375 | static void parse_cat_blob(void); |
c44cdc7e | 376 | |
8acb3297 SP |
377 | static void write_branch_report(FILE *rpt, struct branch *b) |
378 | { | |
379 | fprintf(rpt, "%s:\n", b->name); | |
380 | ||
381 | fprintf(rpt, " status :"); | |
382 | if (b->active) | |
383 | fputs(" active", rpt); | |
384 | if (b->branch_tree.tree) | |
385 | fputs(" loaded", rpt); | |
386 | if (is_null_sha1(b->branch_tree.versions[1].sha1)) | |
387 | fputs(" dirty", rpt); | |
388 | fputc('\n', rpt); | |
389 | ||
390 | fprintf(rpt, " tip commit : %s\n", sha1_to_hex(b->sha1)); | |
391 | fprintf(rpt, " old tree : %s\n", sha1_to_hex(b->branch_tree.versions[0].sha1)); | |
392 | fprintf(rpt, " cur tree : %s\n", sha1_to_hex(b->branch_tree.versions[1].sha1)); | |
393 | fprintf(rpt, " commit clock: %" PRIuMAX "\n", b->last_commit); | |
394 | ||
395 | fputs(" last pack : ", rpt); | |
396 | if (b->pack_id < MAX_PACK_ID) | |
397 | fprintf(rpt, "%u", b->pack_id); | |
398 | fputc('\n', rpt); | |
399 | ||
400 | fputc('\n', rpt); | |
401 | } | |
402 | ||
3b08e5b8 SP |
403 | static void dump_marks_helper(FILE *, uintmax_t, struct mark_set *); |
404 | ||
4bf53833 | 405 | static void write_crash_report(const char *err) |
8acb3297 | 406 | { |
85e72830 | 407 | char *loc = git_path("fast_import_crash_%"PRIuMAX, (uintmax_t) getpid()); |
8acb3297 SP |
408 | FILE *rpt = fopen(loc, "w"); |
409 | struct branch *b; | |
410 | unsigned long lu; | |
904b1941 | 411 | struct recent_command *rc; |
8acb3297 SP |
412 | |
413 | if (!rpt) { | |
414 | error("can't write crash report %s: %s", loc, strerror(errno)); | |
415 | return; | |
416 | } | |
417 | ||
418 | fprintf(stderr, "fast-import: dumping crash report to %s\n", loc); | |
419 | ||
420 | fprintf(rpt, "fast-import crash report:\n"); | |
85e72830 DSP |
421 | fprintf(rpt, " fast-import process: %"PRIuMAX"\n", (uintmax_t) getpid()); |
422 | fprintf(rpt, " parent process : %"PRIuMAX"\n", (uintmax_t) getppid()); | |
8acb3297 SP |
423 | fprintf(rpt, " at %s\n", show_date(time(NULL), 0, DATE_LOCAL)); |
424 | fputc('\n', rpt); | |
425 | ||
426 | fputs("fatal: ", rpt); | |
4bf53833 | 427 | fputs(err, rpt); |
8acb3297 SP |
428 | fputc('\n', rpt); |
429 | ||
904b1941 SP |
430 | fputc('\n', rpt); |
431 | fputs("Most Recent Commands Before Crash\n", rpt); | |
432 | fputs("---------------------------------\n", rpt); | |
433 | for (rc = cmd_hist.next; rc != &cmd_hist; rc = rc->next) { | |
434 | if (rc->next == &cmd_hist) | |
435 | fputs("* ", rpt); | |
436 | else | |
437 | fputs(" ", rpt); | |
438 | fputs(rc->buf, rpt); | |
439 | fputc('\n', rpt); | |
440 | } | |
441 | ||
8acb3297 SP |
442 | fputc('\n', rpt); |
443 | fputs("Active Branch LRU\n", rpt); | |
444 | fputs("-----------------\n", rpt); | |
445 | fprintf(rpt, " active_branches = %lu cur, %lu max\n", | |
446 | cur_active_branches, | |
447 | max_active_branches); | |
448 | fputc('\n', rpt); | |
449 | fputs(" pos clock name\n", rpt); | |
450 | fputs(" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n", rpt); | |
451 | for (b = active_branches, lu = 0; b; b = b->active_next_branch) | |
452 | fprintf(rpt, " %2lu) %6" PRIuMAX" %s\n", | |
453 | ++lu, b->last_commit, b->name); | |
454 | ||
455 | fputc('\n', rpt); | |
456 | fputs("Inactive Branches\n", rpt); | |
457 | fputs("-----------------\n", rpt); | |
458 | for (lu = 0; lu < branch_table_sz; lu++) { | |
459 | for (b = branch_table[lu]; b; b = b->table_next_branch) | |
460 | write_branch_report(rpt, b); | |
461 | } | |
462 | ||
fbc63ea6 SP |
463 | if (first_tag) { |
464 | struct tag *tg; | |
465 | fputc('\n', rpt); | |
466 | fputs("Annotated Tags\n", rpt); | |
467 | fputs("--------------\n", rpt); | |
468 | for (tg = first_tag; tg; tg = tg->next_tag) { | |
469 | fputs(sha1_to_hex(tg->sha1), rpt); | |
470 | fputc(' ', rpt); | |
471 | fputs(tg->name, rpt); | |
472 | fputc('\n', rpt); | |
473 | } | |
474 | } | |
475 | ||
3b08e5b8 SP |
476 | fputc('\n', rpt); |
477 | fputs("Marks\n", rpt); | |
478 | fputs("-----\n", rpt); | |
07cd9328 SR |
479 | if (export_marks_file) |
480 | fprintf(rpt, " exported to %s\n", export_marks_file); | |
3b08e5b8 SP |
481 | else |
482 | dump_marks_helper(rpt, 0, marks); | |
483 | ||
8acb3297 SP |
484 | fputc('\n', rpt); |
485 | fputs("-------------------\n", rpt); | |
486 | fputs("END OF CRASH REPORT\n", rpt); | |
487 | fclose(rpt); | |
488 | } | |
489 | ||
118805b9 SP |
490 | static void end_packfile(void); |
491 | static void unkeep_all_packs(void); | |
492 | static void dump_marks(void); | |
493 | ||
8acb3297 SP |
494 | static NORETURN void die_nicely(const char *err, va_list params) |
495 | { | |
496 | static int zombie; | |
4bf53833 | 497 | char message[2 * PATH_MAX]; |
8acb3297 | 498 | |
4bf53833 | 499 | vsnprintf(message, sizeof(message), err, params); |
8acb3297 | 500 | fputs("fatal: ", stderr); |
4bf53833 | 501 | fputs(message, stderr); |
8acb3297 SP |
502 | fputc('\n', stderr); |
503 | ||
504 | if (!zombie) { | |
505 | zombie = 1; | |
4bf53833 | 506 | write_crash_report(message); |
118805b9 SP |
507 | end_packfile(); |
508 | unkeep_all_packs(); | |
509 | dump_marks(); | |
8acb3297 | 510 | } |
8acb3297 SP |
511 | exit(128); |
512 | } | |
6bb5b329 | 513 | |
dc01f59d JN |
514 | #ifndef SIGUSR1 /* Windows, for example */ |
515 | ||
516 | static void set_checkpoint_signal(void) | |
517 | { | |
518 | } | |
519 | ||
520 | #else | |
521 | ||
522 | static void checkpoint_signal(int signo) | |
523 | { | |
524 | checkpoint_requested = 1; | |
525 | } | |
526 | ||
527 | static void set_checkpoint_signal(void) | |
528 | { | |
529 | struct sigaction sa; | |
530 | ||
531 | memset(&sa, 0, sizeof(sa)); | |
532 | sa.sa_handler = checkpoint_signal; | |
533 | sigemptyset(&sa.sa_mask); | |
534 | sa.sa_flags = SA_RESTART; | |
535 | sigaction(SIGUSR1, &sa, NULL); | |
536 | } | |
537 | ||
538 | #endif | |
539 | ||
03842d8e | 540 | static void alloc_objects(unsigned int cnt) |
8bcce301 | 541 | { |
463acbe1 | 542 | struct object_entry_pool *b; |
27d6d290 | 543 | |
463acbe1 | 544 | b = xmalloc(sizeof(struct object_entry_pool) |
27d6d290 | 545 | + cnt * sizeof(struct object_entry)); |
463acbe1 | 546 | b->next_pool = blocks; |
27d6d290 SP |
547 | b->next_free = b->entries; |
548 | b->end = b->entries + cnt; | |
549 | blocks = b; | |
550 | alloc_count += cnt; | |
551 | } | |
8bcce301 | 552 | |
e5b1444b | 553 | static struct object_entry *new_object(unsigned char *sha1) |
8bcce301 | 554 | { |
27d6d290 | 555 | struct object_entry *e; |
8bcce301 | 556 | |
27d6d290 | 557 | if (blocks->next_free == blocks->end) |
463acbe1 | 558 | alloc_objects(object_entry_alloc); |
8bcce301 | 559 | |
27d6d290 | 560 | e = blocks->next_free++; |
3fc366bd | 561 | hashcpy(e->idx.sha1, sha1); |
27d6d290 | 562 | return e; |
8bcce301 SP |
563 | } |
564 | ||
e5b1444b | 565 | static struct object_entry *find_object(unsigned char *sha1) |
463acbe1 SP |
566 | { |
567 | unsigned int h = sha1[0] << 8 | sha1[1]; | |
568 | struct object_entry *e; | |
569 | for (e = object_table[h]; e; e = e->next) | |
3fc366bd | 570 | if (!hashcmp(sha1, e->idx.sha1)) |
463acbe1 SP |
571 | return e; |
572 | return NULL; | |
573 | } | |
574 | ||
e5b1444b | 575 | static struct object_entry *insert_object(unsigned char *sha1) |
8bcce301 SP |
576 | { |
577 | unsigned int h = sha1[0] << 8 | sha1[1]; | |
27d6d290 | 578 | struct object_entry *e = object_table[h]; |
8bcce301 SP |
579 | |
580 | while (e) { | |
3fc366bd | 581 | if (!hashcmp(sha1, e->idx.sha1)) |
8bcce301 | 582 | return e; |
8bcce301 SP |
583 | e = e->next; |
584 | } | |
585 | ||
586 | e = new_object(sha1); | |
b7c1ce4f | 587 | e->next = object_table[h]; |
3fc366bd | 588 | e->idx.offset = 0; |
b7c1ce4f | 589 | object_table[h] = e; |
8bcce301 SP |
590 | return e; |
591 | } | |
db5e523f | 592 | |
463acbe1 SP |
593 | static unsigned int hc_str(const char *s, size_t len) |
594 | { | |
595 | unsigned int r = 0; | |
596 | while (len-- > 0) | |
597 | r = r * 31 + *s++; | |
598 | return r; | |
599 | } | |
600 | ||
e5b1444b | 601 | static void *pool_alloc(size_t len) |
463acbe1 SP |
602 | { |
603 | struct mem_pool *p; | |
604 | void *r; | |
605 | ||
2fad5329 YT |
606 | /* round up to a 'uintmax_t' alignment */ |
607 | if (len & (sizeof(uintmax_t) - 1)) | |
608 | len += sizeof(uintmax_t) - (len & (sizeof(uintmax_t) - 1)); | |
609 | ||
463acbe1 SP |
610 | for (p = mem_pool; p; p = p->next_pool) |
611 | if ((p->end - p->next_free >= len)) | |
612 | break; | |
613 | ||
614 | if (!p) { | |
615 | if (len >= (mem_pool_alloc/2)) { | |
616 | total_allocd += len; | |
617 | return xmalloc(len); | |
618 | } | |
619 | total_allocd += sizeof(struct mem_pool) + mem_pool_alloc; | |
620 | p = xmalloc(sizeof(struct mem_pool) + mem_pool_alloc); | |
621 | p->next_pool = mem_pool; | |
69ae5175 | 622 | p->next_free = (char *) p->space; |
463acbe1 SP |
623 | p->end = p->next_free + mem_pool_alloc; |
624 | mem_pool = p; | |
625 | } | |
626 | ||
627 | r = p->next_free; | |
628 | p->next_free += len; | |
629 | return r; | |
630 | } | |
631 | ||
e5b1444b | 632 | static void *pool_calloc(size_t count, size_t size) |
463acbe1 SP |
633 | { |
634 | size_t len = count * size; | |
635 | void *r = pool_alloc(len); | |
636 | memset(r, 0, len); | |
637 | return r; | |
638 | } | |
639 | ||
e5b1444b | 640 | static char *pool_strdup(const char *s) |
463acbe1 SP |
641 | { |
642 | char *r = pool_alloc(strlen(s) + 1); | |
643 | strcpy(r, s); | |
644 | return r; | |
645 | } | |
646 | ||
0ea9f045 | 647 | static void insert_mark(uintmax_t idnum, struct object_entry *oe) |
d8397168 SP |
648 | { |
649 | struct mark_set *s = marks; | |
650 | while ((idnum >> s->shift) >= 1024) { | |
651 | s = pool_calloc(1, sizeof(struct mark_set)); | |
652 | s->shift = marks->shift + 10; | |
653 | s->data.sets[0] = marks; | |
654 | marks = s; | |
655 | } | |
656 | while (s->shift) { | |
0ea9f045 | 657 | uintmax_t i = idnum >> s->shift; |
d8397168 SP |
658 | idnum -= i << s->shift; |
659 | if (!s->data.sets[i]) { | |
660 | s->data.sets[i] = pool_calloc(1, sizeof(struct mark_set)); | |
661 | s->data.sets[i]->shift = s->shift - 10; | |
662 | } | |
663 | s = s->data.sets[i]; | |
664 | } | |
665 | if (!s->data.marked[idnum]) | |
666 | marks_set_count++; | |
667 | s->data.marked[idnum] = oe; | |
668 | } | |
669 | ||
e5b1444b | 670 | static struct object_entry *find_mark(uintmax_t idnum) |
d8397168 | 671 | { |
0ea9f045 | 672 | uintmax_t orig_idnum = idnum; |
d8397168 SP |
673 | struct mark_set *s = marks; |
674 | struct object_entry *oe = NULL; | |
675 | if ((idnum >> s->shift) < 1024) { | |
676 | while (s && s->shift) { | |
0ea9f045 | 677 | uintmax_t i = idnum >> s->shift; |
d8397168 SP |
678 | idnum -= i << s->shift; |
679 | s = s->data.sets[i]; | |
680 | } | |
681 | if (s) | |
682 | oe = s->data.marked[idnum]; | |
683 | } | |
684 | if (!oe) | |
3efb1f34 | 685 | die("mark :%" PRIuMAX " not declared", orig_idnum); |
d8397168 SP |
686 | return oe; |
687 | } | |
688 | ||
e5b1444b | 689 | static struct atom_str *to_atom(const char *s, unsigned short len) |
463acbe1 SP |
690 | { |
691 | unsigned int hc = hc_str(s, len) % atom_table_sz; | |
692 | struct atom_str *c; | |
693 | ||
694 | for (c = atom_table[hc]; c; c = c->next_atom) | |
695 | if (c->str_len == len && !strncmp(s, c->str_dat, len)) | |
696 | return c; | |
697 | ||
698 | c = pool_alloc(sizeof(struct atom_str) + len + 1); | |
699 | c->str_len = len; | |
700 | strncpy(c->str_dat, s, len); | |
701 | c->str_dat[len] = 0; | |
702 | c->next_atom = atom_table[hc]; | |
703 | atom_table[hc] = c; | |
704 | atom_cnt++; | |
705 | return c; | |
706 | } | |
707 | ||
e5b1444b | 708 | static struct branch *lookup_branch(const char *name) |
463acbe1 SP |
709 | { |
710 | unsigned int hc = hc_str(name, strlen(name)) % branch_table_sz; | |
711 | struct branch *b; | |
712 | ||
713 | for (b = branch_table[hc]; b; b = b->table_next_branch) | |
714 | if (!strcmp(name, b->name)) | |
715 | return b; | |
716 | return NULL; | |
717 | } | |
718 | ||
e5b1444b | 719 | static struct branch *new_branch(const char *name) |
463acbe1 SP |
720 | { |
721 | unsigned int hc = hc_str(name, strlen(name)) % branch_table_sz; | |
4b25d091 | 722 | struct branch *b = lookup_branch(name); |
463acbe1 SP |
723 | |
724 | if (b) | |
725 | die("Invalid attempt to create duplicate branch: %s", name); | |
ea08a6fd | 726 | switch (check_ref_format(name)) { |
257f3020 JH |
727 | case 0: break; /* its valid */ |
728 | case CHECK_REF_FORMAT_ONELEVEL: | |
729 | break; /* valid, but too few '/', allow anyway */ | |
ea08a6fd | 730 | default: |
c44cdc7e | 731 | die("Branch name doesn't conform to GIT standards: %s", name); |
ea08a6fd | 732 | } |
463acbe1 SP |
733 | |
734 | b = pool_calloc(1, sizeof(struct branch)); | |
735 | b->name = pool_strdup(name); | |
736 | b->table_next_branch = branch_table[hc]; | |
8a8c55ea SP |
737 | b->branch_tree.versions[0].mode = S_IFDIR; |
738 | b->branch_tree.versions[1].mode = S_IFDIR; | |
2a113aee | 739 | b->num_notes = 0; |
734c91f9 | 740 | b->active = 0; |
69e74e74 | 741 | b->pack_id = MAX_PACK_ID; |
463acbe1 SP |
742 | branch_table[hc] = b; |
743 | branch_count++; | |
744 | return b; | |
745 | } | |
746 | ||
747 | static unsigned int hc_entries(unsigned int cnt) | |
748 | { | |
749 | cnt = cnt & 7 ? (cnt / 8) + 1 : cnt / 8; | |
750 | return cnt < avail_tree_table_sz ? cnt : avail_tree_table_sz - 1; | |
751 | } | |
752 | ||
e5b1444b | 753 | static struct tree_content *new_tree_content(unsigned int cnt) |
463acbe1 SP |
754 | { |
755 | struct avail_tree_content *f, *l = NULL; | |
756 | struct tree_content *t; | |
757 | unsigned int hc = hc_entries(cnt); | |
758 | ||
759 | for (f = avail_tree_table[hc]; f; l = f, f = f->next_avail) | |
760 | if (f->entry_capacity >= cnt) | |
761 | break; | |
762 | ||
763 | if (f) { | |
764 | if (l) | |
765 | l->next_avail = f->next_avail; | |
766 | else | |
767 | avail_tree_table[hc] = f->next_avail; | |
768 | } else { | |
769 | cnt = cnt & 7 ? ((cnt / 8) + 1) * 8 : cnt; | |
770 | f = pool_alloc(sizeof(*t) + sizeof(t->entries[0]) * cnt); | |
771 | f->entry_capacity = cnt; | |
772 | } | |
773 | ||
774 | t = (struct tree_content*)f; | |
775 | t->entry_count = 0; | |
4cabf858 | 776 | t->delta_depth = 0; |
463acbe1 SP |
777 | return t; |
778 | } | |
779 | ||
780 | static void release_tree_entry(struct tree_entry *e); | |
781 | static void release_tree_content(struct tree_content *t) | |
782 | { | |
783 | struct avail_tree_content *f = (struct avail_tree_content*)t; | |
784 | unsigned int hc = hc_entries(f->entry_capacity); | |
afde8dd9 SP |
785 | f->next_avail = avail_tree_table[hc]; |
786 | avail_tree_table[hc] = f; | |
787 | } | |
788 | ||
789 | static void release_tree_content_recursive(struct tree_content *t) | |
790 | { | |
463acbe1 SP |
791 | unsigned int i; |
792 | for (i = 0; i < t->entry_count; i++) | |
793 | release_tree_entry(t->entries[i]); | |
afde8dd9 | 794 | release_tree_content(t); |
463acbe1 SP |
795 | } |
796 | ||
e5b1444b | 797 | static struct tree_content *grow_tree_content( |
463acbe1 SP |
798 | struct tree_content *t, |
799 | int amt) | |
800 | { | |
801 | struct tree_content *r = new_tree_content(t->entry_count + amt); | |
802 | r->entry_count = t->entry_count; | |
4cabf858 | 803 | r->delta_depth = t->delta_depth; |
463acbe1 SP |
804 | memcpy(r->entries,t->entries,t->entry_count*sizeof(t->entries[0])); |
805 | release_tree_content(t); | |
806 | return r; | |
807 | } | |
808 | ||
e5b1444b | 809 | static struct tree_entry *new_tree_entry(void) |
463acbe1 SP |
810 | { |
811 | struct tree_entry *e; | |
812 | ||
813 | if (!avail_tree_entry) { | |
814 | unsigned int n = tree_entry_alloc; | |
8435a9cb | 815 | total_allocd += n * sizeof(struct tree_entry); |
463acbe1 | 816 | avail_tree_entry = e = xmalloc(n * sizeof(struct tree_entry)); |
2eb26d84 | 817 | while (n-- > 1) { |
463acbe1 SP |
818 | *((void**)e) = e + 1; |
819 | e++; | |
820 | } | |
35ef237c | 821 | *((void**)e) = NULL; |
463acbe1 SP |
822 | } |
823 | ||
824 | e = avail_tree_entry; | |
825 | avail_tree_entry = *((void**)e); | |
826 | return e; | |
827 | } | |
828 | ||
829 | static void release_tree_entry(struct tree_entry *e) | |
830 | { | |
831 | if (e->tree) | |
afde8dd9 | 832 | release_tree_content_recursive(e->tree); |
463acbe1 SP |
833 | *((void**)e) = avail_tree_entry; |
834 | avail_tree_entry = e; | |
835 | } | |
836 | ||
b6f3481b SP |
837 | static struct tree_content *dup_tree_content(struct tree_content *s) |
838 | { | |
839 | struct tree_content *d; | |
840 | struct tree_entry *a, *b; | |
841 | unsigned int i; | |
842 | ||
843 | if (!s) | |
844 | return NULL; | |
845 | d = new_tree_content(s->entry_count); | |
846 | for (i = 0; i < s->entry_count; i++) { | |
847 | a = s->entries[i]; | |
848 | b = new_tree_entry(); | |
849 | memcpy(b, a, sizeof(*a)); | |
850 | if (a->tree && is_null_sha1(b->versions[1].sha1)) | |
851 | b->tree = dup_tree_content(a->tree); | |
852 | else | |
853 | b->tree = NULL; | |
854 | d->entries[i] = b; | |
855 | } | |
856 | d->entry_count = s->entry_count; | |
857 | d->delta_depth = s->delta_depth; | |
858 | ||
859 | return d; | |
860 | } | |
861 | ||
fd99224e | 862 | static void start_packfile(void) |
f70b6534 | 863 | { |
8455e484 | 864 | static char tmpfile[PATH_MAX]; |
7bfe6e26 | 865 | struct packed_git *p; |
f70b6534 | 866 | struct pack_header hdr; |
0fcbcae7 | 867 | int pack_fd; |
f70b6534 | 868 | |
6e180cdc JH |
869 | pack_fd = odb_mkstemp(tmpfile, sizeof(tmpfile), |
870 | "pack/tmp_pack_XXXXXX"); | |
8455e484 SP |
871 | p = xcalloc(1, sizeof(*p) + strlen(tmpfile) + 2); |
872 | strcpy(p->pack_name, tmpfile); | |
7bfe6e26 | 873 | p->pack_fd = pack_fd; |
21281816 | 874 | pack_file = sha1fd(pack_fd, p->pack_name); |
f70b6534 SP |
875 | |
876 | hdr.hdr_signature = htonl(PACK_SIGNATURE); | |
877 | hdr.hdr_version = htonl(2); | |
878 | hdr.hdr_entries = 0; | |
21281816 | 879 | sha1write(pack_file, &hdr, sizeof(hdr)); |
7bfe6e26 SP |
880 | |
881 | pack_data = p; | |
f70b6534 SP |
882 | pack_size = sizeof(hdr); |
883 | object_count = 0; | |
7bfe6e26 SP |
884 | |
885 | all_packs = xrealloc(all_packs, sizeof(*all_packs) * (pack_id + 1)); | |
886 | all_packs[pack_id] = p; | |
f70b6534 SP |
887 | } |
888 | ||
427cb22c | 889 | static const char *create_index(void) |
f70b6534 | 890 | { |
427cb22c NP |
891 | const char *tmpfile; |
892 | struct pack_idx_entry **idx, **c, **last; | |
893 | struct object_entry *e; | |
f70b6534 | 894 | struct object_entry_pool *o; |
f70b6534 | 895 | |
427cb22c NP |
896 | /* Build the table of object IDs. */ |
897 | idx = xmalloc(object_count * sizeof(*idx)); | |
f70b6534 SP |
898 | c = idx; |
899 | for (o = blocks; o; o = o->next_pool) | |
d9ee53ce SP |
900 | for (e = o->next_free; e-- != o->entries;) |
901 | if (pack_id == e->pack_id) | |
427cb22c | 902 | *c++ = &e->idx; |
f70b6534 | 903 | last = idx + object_count; |
2fce1f3c SP |
904 | if (c != last) |
905 | die("internal consistency error creating the index"); | |
f70b6534 | 906 | |
427cb22c | 907 | tmpfile = write_idx_file(NULL, idx, object_count, pack_data->sha1); |
f70b6534 | 908 | free(idx); |
8455e484 SP |
909 | return tmpfile; |
910 | } | |
911 | ||
427cb22c | 912 | static char *keep_pack(const char *curr_index_name) |
8455e484 SP |
913 | { |
914 | static char name[PATH_MAX]; | |
3a55602e | 915 | static const char *keep_msg = "fast-import"; |
8455e484 SP |
916 | int keep_fd; |
917 | ||
6e180cdc | 918 | keep_fd = odb_pack_keep(name, sizeof(name), pack_data->sha1); |
8455e484 | 919 | if (keep_fd < 0) |
0721c314 | 920 | die_errno("cannot create keep file"); |
95693d45 JM |
921 | write_or_die(keep_fd, keep_msg, strlen(keep_msg)); |
922 | if (close(keep_fd)) | |
0721c314 | 923 | die_errno("failed to write keep file"); |
8455e484 SP |
924 | |
925 | snprintf(name, sizeof(name), "%s/pack/pack-%s.pack", | |
926 | get_object_directory(), sha1_to_hex(pack_data->sha1)); | |
927 | if (move_temp_to_file(pack_data->pack_name, name)) | |
928 | die("cannot store pack file"); | |
8455e484 SP |
929 | |
930 | snprintf(name, sizeof(name), "%s/pack/pack-%s.idx", | |
931 | get_object_directory(), sha1_to_hex(pack_data->sha1)); | |
932 | if (move_temp_to_file(curr_index_name, name)) | |
933 | die("cannot store index file"); | |
427cb22c | 934 | free((void *)curr_index_name); |
8455e484 SP |
935 | return name; |
936 | } | |
937 | ||
fd99224e | 938 | static void unkeep_all_packs(void) |
8455e484 SP |
939 | { |
940 | static char name[PATH_MAX]; | |
941 | int k; | |
942 | ||
943 | for (k = 0; k < pack_id; k++) { | |
944 | struct packed_git *p = all_packs[k]; | |
945 | snprintf(name, sizeof(name), "%s/pack/pack-%s.keep", | |
946 | get_object_directory(), sha1_to_hex(p->sha1)); | |
691f1a28 | 947 | unlink_or_warn(name); |
8455e484 | 948 | } |
f70b6534 SP |
949 | } |
950 | ||
fd99224e | 951 | static void end_packfile(void) |
f70b6534 | 952 | { |
7bfe6e26 SP |
953 | struct packed_git *old_p = pack_data, *new_p; |
954 | ||
3d20c636 | 955 | clear_delta_base_cache(); |
3e005baf | 956 | if (object_count) { |
21281816 | 957 | unsigned char cur_pack_sha1[20]; |
8455e484 | 958 | char *idx_name; |
2369ed79 SP |
959 | int i; |
960 | struct branch *b; | |
961 | struct tag *t; | |
8455e484 | 962 | |
c9ced051 | 963 | close_pack_windows(pack_data); |
21281816 | 964 | sha1close(pack_file, cur_pack_sha1, 0); |
8b0eca7c | 965 | fixup_pack_header_footer(pack_data->pack_fd, pack_data->sha1, |
abeb40e5 | 966 | pack_data->pack_name, object_count, |
21281816 | 967 | cur_pack_sha1, pack_size); |
8b0eca7c | 968 | close(pack_data->pack_fd); |
8455e484 | 969 | idx_name = keep_pack(create_index()); |
3e005baf | 970 | |
3ea3c215 | 971 | /* Register the packfile with core git's machinery. */ |
3e005baf SP |
972 | new_p = add_packed_git(idx_name, strlen(idx_name), 1); |
973 | if (!new_p) | |
974 | die("core git rejected index %s", idx_name); | |
2369ed79 | 975 | all_packs[pack_id] = new_p; |
3e005baf | 976 | install_packed_git(new_p); |
2369ed79 SP |
977 | |
978 | /* Print the boundary */ | |
bdf1c06d SP |
979 | if (pack_edges) { |
980 | fprintf(pack_edges, "%s:", new_p->pack_name); | |
981 | for (i = 0; i < branch_table_sz; i++) { | |
982 | for (b = branch_table[i]; b; b = b->table_next_branch) { | |
983 | if (b->pack_id == pack_id) | |
984 | fprintf(pack_edges, " %s", sha1_to_hex(b->sha1)); | |
985 | } | |
2369ed79 | 986 | } |
bdf1c06d SP |
987 | for (t = first_tag; t; t = t->next_tag) { |
988 | if (t->pack_id == pack_id) | |
989 | fprintf(pack_edges, " %s", sha1_to_hex(t->sha1)); | |
990 | } | |
991 | fputc('\n', pack_edges); | |
992 | fflush(pack_edges); | |
2369ed79 | 993 | } |
2369ed79 SP |
994 | |
995 | pack_id++; | |
3e005baf | 996 | } |
87c8a56e JS |
997 | else { |
998 | close(old_p->pack_fd); | |
691f1a28 | 999 | unlink_or_warn(old_p->pack_name); |
87c8a56e | 1000 | } |
7bfe6e26 | 1001 | free(old_p); |
7bfe6e26 SP |
1002 | |
1003 | /* We can't carry a delta across packfiles. */ | |
05576569 | 1004 | strbuf_release(&last_blob.data); |
7bfe6e26 SP |
1005 | last_blob.offset = 0; |
1006 | last_blob.depth = 0; | |
f70b6534 SP |
1007 | } |
1008 | ||
820b9310 | 1009 | static void cycle_packfile(void) |
d9ee53ce SP |
1010 | { |
1011 | end_packfile(); | |
1012 | start_packfile(); | |
1013 | } | |
1014 | ||
ac47a738 SP |
1015 | static int store_object( |
1016 | enum object_type type, | |
eec813cf | 1017 | struct strbuf *dat, |
6bb5b329 | 1018 | struct last_object *last, |
d8397168 | 1019 | unsigned char *sha1out, |
0ea9f045 | 1020 | uintmax_t mark) |
db5e523f | 1021 | { |
db5e523f | 1022 | void *out, *delta; |
ac47a738 SP |
1023 | struct object_entry *e; |
1024 | unsigned char hdr[96]; | |
1025 | unsigned char sha1[20]; | |
db5e523f | 1026 | unsigned long hdrlen, deltalen; |
9126f009 | 1027 | git_SHA_CTX c; |
ac47a738 SP |
1028 | z_stream s; |
1029 | ||
4b25d091 | 1030 | hdrlen = sprintf((char *)hdr,"%s %lu", typename(type), |
eec813cf | 1031 | (unsigned long)dat->len) + 1; |
9126f009 NP |
1032 | git_SHA1_Init(&c); |
1033 | git_SHA1_Update(&c, hdr, hdrlen); | |
1034 | git_SHA1_Update(&c, dat->buf, dat->len); | |
1035 | git_SHA1_Final(sha1, &c); | |
6bb5b329 | 1036 | if (sha1out) |
445b8599 | 1037 | hashcpy(sha1out, sha1); |
ac47a738 SP |
1038 | |
1039 | e = insert_object(sha1); | |
d8397168 SP |
1040 | if (mark) |
1041 | insert_mark(mark, e); | |
3fc366bd | 1042 | if (e->idx.offset) { |
6143f064 | 1043 | duplicate_count_by_type[type]++; |
463acbe1 | 1044 | return 1; |
a5c1780a SP |
1045 | } else if (find_sha1_pack(sha1, packed_git)) { |
1046 | e->type = type; | |
1047 | e->pack_id = MAX_PACK_ID; | |
3fc366bd | 1048 | e->idx.offset = 1; /* just not zero! */ |
a5c1780a SP |
1049 | duplicate_count_by_type[type]++; |
1050 | return 1; | |
ac47a738 | 1051 | } |
db5e523f | 1052 | |
b500d5e1 | 1053 | if (last && last->data.buf && last->depth < max_depth && dat->len > 20) { |
05576569 | 1054 | delta = diff_delta(last->data.buf, last->data.len, |
eec813cf | 1055 | dat->buf, dat->len, |
b500d5e1 | 1056 | &deltalen, dat->len - 20); |
d9ee53ce SP |
1057 | } else |
1058 | delta = NULL; | |
db5e523f SP |
1059 | |
1060 | memset(&s, 0, sizeof(s)); | |
bb23fdfa | 1061 | deflateInit(&s, pack_compression_level); |
d9ee53ce SP |
1062 | if (delta) { |
1063 | s.next_in = delta; | |
1064 | s.avail_in = deltalen; | |
1065 | } else { | |
eec813cf PH |
1066 | s.next_in = (void *)dat->buf; |
1067 | s.avail_in = dat->len; | |
d9ee53ce SP |
1068 | } |
1069 | s.avail_out = deflateBound(&s, s.avail_in); | |
1070 | s.next_out = out = xmalloc(s.avail_out); | |
1071 | while (deflate(&s, Z_FINISH) == Z_OK) | |
1072 | /* nothing */; | |
1073 | deflateEnd(&s); | |
1074 | ||
1075 | /* Determine if we should auto-checkpoint. */ | |
89e0a3a1 | 1076 | if ((max_packsize && (pack_size + 60 + s.total_out) > max_packsize) |
d9ee53ce SP |
1077 | || (pack_size + 60 + s.total_out) < pack_size) { |
1078 | ||
1079 | /* This new object needs to *not* have the current pack_id. */ | |
1080 | e->pack_id = pack_id + 1; | |
820b9310 | 1081 | cycle_packfile(); |
d9ee53ce SP |
1082 | |
1083 | /* We cannot carry a delta into the new pack. */ | |
1084 | if (delta) { | |
1085 | free(delta); | |
1086 | delta = NULL; | |
5d6f3ef6 SP |
1087 | |
1088 | memset(&s, 0, sizeof(s)); | |
bb23fdfa | 1089 | deflateInit(&s, pack_compression_level); |
eec813cf PH |
1090 | s.next_in = (void *)dat->buf; |
1091 | s.avail_in = dat->len; | |
5d6f3ef6 SP |
1092 | s.avail_out = deflateBound(&s, s.avail_in); |
1093 | s.next_out = out = xrealloc(out, s.avail_out); | |
1094 | while (deflate(&s, Z_FINISH) == Z_OK) | |
1095 | /* nothing */; | |
1096 | deflateEnd(&s); | |
d9ee53ce | 1097 | } |
d9ee53ce SP |
1098 | } |
1099 | ||
1100 | e->type = type; | |
1101 | e->pack_id = pack_id; | |
3fc366bd | 1102 | e->idx.offset = pack_size; |
d9ee53ce SP |
1103 | object_count++; |
1104 | object_count_by_type[type]++; | |
db5e523f | 1105 | |
427cb22c NP |
1106 | crc32_begin(pack_file); |
1107 | ||
db5e523f | 1108 | if (delta) { |
89e0a3a1 | 1109 | off_t ofs = e->idx.offset - last->offset; |
d489bc14 SP |
1110 | unsigned pos = sizeof(hdr) - 1; |
1111 | ||
4cabf858 | 1112 | delta_count_by_type[type]++; |
436e7a74 | 1113 | e->depth = last->depth + 1; |
d489bc14 | 1114 | |
1b22b6c8 | 1115 | hdrlen = encode_in_pack_object_header(OBJ_OFS_DELTA, deltalen, hdr); |
21281816 | 1116 | sha1write(pack_file, hdr, hdrlen); |
d489bc14 SP |
1117 | pack_size += hdrlen; |
1118 | ||
1119 | hdr[pos] = ofs & 127; | |
1120 | while (ofs >>= 7) | |
1121 | hdr[--pos] = 128 | (--ofs & 127); | |
21281816 | 1122 | sha1write(pack_file, hdr + pos, sizeof(hdr) - pos); |
d489bc14 | 1123 | pack_size += sizeof(hdr) - pos; |
db5e523f | 1124 | } else { |
436e7a74 | 1125 | e->depth = 0; |
1b22b6c8 | 1126 | hdrlen = encode_in_pack_object_header(type, dat->len, hdr); |
21281816 | 1127 | sha1write(pack_file, hdr, hdrlen); |
41e5257f | 1128 | pack_size += hdrlen; |
db5e523f SP |
1129 | } |
1130 | ||
21281816 | 1131 | sha1write(pack_file, out, s.total_out); |
41e5257f | 1132 | pack_size += s.total_out; |
db5e523f | 1133 | |
427cb22c NP |
1134 | e->idx.crc32 = crc32_end(pack_file); |
1135 | ||
db5e523f | 1136 | free(out); |
e7d06a4b | 1137 | free(delta); |
463acbe1 | 1138 | if (last) { |
05576569 PH |
1139 | if (last->no_swap) { |
1140 | last->data = *dat; | |
1141 | } else { | |
c76689df | 1142 | strbuf_swap(&last->data, dat); |
05576569 | 1143 | } |
3fc366bd | 1144 | last->offset = e->idx.offset; |
436e7a74 | 1145 | last->depth = e->depth; |
463acbe1 SP |
1146 | } |
1147 | return 0; | |
1148 | } | |
1149 | ||
21281816 | 1150 | static void truncate_pack(off_t to, git_SHA_CTX *ctx) |
5eef828b SP |
1151 | { |
1152 | if (ftruncate(pack_data->pack_fd, to) | |
1153 | || lseek(pack_data->pack_fd, to, SEEK_SET) != to) | |
1154 | die_errno("cannot truncate pack to skip duplicate"); | |
1155 | pack_size = to; | |
21281816 NP |
1156 | |
1157 | /* yes this is a layering violation */ | |
1158 | pack_file->total = to; | |
1159 | pack_file->offset = 0; | |
1160 | pack_file->ctx = *ctx; | |
5eef828b SP |
1161 | } |
1162 | ||
1163 | static void stream_blob(uintmax_t len, unsigned char *sha1out, uintmax_t mark) | |
1164 | { | |
1165 | size_t in_sz = 64 * 1024, out_sz = 64 * 1024; | |
1166 | unsigned char *in_buf = xmalloc(in_sz); | |
1167 | unsigned char *out_buf = xmalloc(out_sz); | |
1168 | struct object_entry *e; | |
1169 | unsigned char sha1[20]; | |
1170 | unsigned long hdrlen; | |
1171 | off_t offset; | |
1172 | git_SHA_CTX c; | |
21281816 | 1173 | git_SHA_CTX pack_file_ctx; |
5eef828b SP |
1174 | z_stream s; |
1175 | int status = Z_OK; | |
1176 | ||
1177 | /* Determine if we should auto-checkpoint. */ | |
89e0a3a1 | 1178 | if ((max_packsize && (pack_size + 60 + len) > max_packsize) |
5eef828b SP |
1179 | || (pack_size + 60 + len) < pack_size) |
1180 | cycle_packfile(); | |
1181 | ||
1182 | offset = pack_size; | |
1183 | ||
21281816 NP |
1184 | /* preserve the pack_file SHA1 ctx in case we have to truncate later */ |
1185 | sha1flush(pack_file); | |
1186 | pack_file_ctx = pack_file->ctx; | |
1187 | ||
5eef828b SP |
1188 | hdrlen = snprintf((char *)out_buf, out_sz, "blob %" PRIuMAX, len) + 1; |
1189 | if (out_sz <= hdrlen) | |
1190 | die("impossibly large object header"); | |
1191 | ||
1192 | git_SHA1_Init(&c); | |
1193 | git_SHA1_Update(&c, out_buf, hdrlen); | |
1194 | ||
427cb22c NP |
1195 | crc32_begin(pack_file); |
1196 | ||
5eef828b SP |
1197 | memset(&s, 0, sizeof(s)); |
1198 | deflateInit(&s, pack_compression_level); | |
1199 | ||
1b22b6c8 | 1200 | hdrlen = encode_in_pack_object_header(OBJ_BLOB, len, out_buf); |
5eef828b SP |
1201 | if (out_sz <= hdrlen) |
1202 | die("impossibly large object header"); | |
1203 | ||
1204 | s.next_out = out_buf + hdrlen; | |
1205 | s.avail_out = out_sz - hdrlen; | |
1206 | ||
1207 | while (status != Z_STREAM_END) { | |
1208 | if (0 < len && !s.avail_in) { | |
1209 | size_t cnt = in_sz < len ? in_sz : (size_t)len; | |
1210 | size_t n = fread(in_buf, 1, cnt, stdin); | |
1211 | if (!n && feof(stdin)) | |
1212 | die("EOF in data (%" PRIuMAX " bytes remaining)", len); | |
1213 | ||
1214 | git_SHA1_Update(&c, in_buf, n); | |
1215 | s.next_in = in_buf; | |
1216 | s.avail_in = n; | |
1217 | len -= n; | |
1218 | } | |
1219 | ||
1220 | status = deflate(&s, len ? 0 : Z_FINISH); | |
1221 | ||
1222 | if (!s.avail_out || status == Z_STREAM_END) { | |
1223 | size_t n = s.next_out - out_buf; | |
21281816 | 1224 | sha1write(pack_file, out_buf, n); |
5eef828b SP |
1225 | pack_size += n; |
1226 | s.next_out = out_buf; | |
1227 | s.avail_out = out_sz; | |
1228 | } | |
1229 | ||
1230 | switch (status) { | |
1231 | case Z_OK: | |
1232 | case Z_BUF_ERROR: | |
1233 | case Z_STREAM_END: | |
1234 | continue; | |
1235 | default: | |
1236 | die("unexpected deflate failure: %d", status); | |
1237 | } | |
1238 | } | |
1239 | deflateEnd(&s); | |
1240 | git_SHA1_Final(sha1, &c); | |
1241 | ||
1242 | if (sha1out) | |
1243 | hashcpy(sha1out, sha1); | |
1244 | ||
1245 | e = insert_object(sha1); | |
1246 | ||
1247 | if (mark) | |
1248 | insert_mark(mark, e); | |
1249 | ||
3fc366bd | 1250 | if (e->idx.offset) { |
5eef828b | 1251 | duplicate_count_by_type[OBJ_BLOB]++; |
21281816 | 1252 | truncate_pack(offset, &pack_file_ctx); |
5eef828b SP |
1253 | |
1254 | } else if (find_sha1_pack(sha1, packed_git)) { | |
1255 | e->type = OBJ_BLOB; | |
1256 | e->pack_id = MAX_PACK_ID; | |
3fc366bd | 1257 | e->idx.offset = 1; /* just not zero! */ |
5eef828b | 1258 | duplicate_count_by_type[OBJ_BLOB]++; |
21281816 | 1259 | truncate_pack(offset, &pack_file_ctx); |
5eef828b SP |
1260 | |
1261 | } else { | |
1262 | e->depth = 0; | |
1263 | e->type = OBJ_BLOB; | |
1264 | e->pack_id = pack_id; | |
3fc366bd | 1265 | e->idx.offset = offset; |
427cb22c | 1266 | e->idx.crc32 = crc32_end(pack_file); |
5eef828b SP |
1267 | object_count++; |
1268 | object_count_by_type[OBJ_BLOB]++; | |
1269 | } | |
1270 | ||
1271 | free(in_buf); | |
1272 | free(out_buf); | |
1273 | } | |
1274 | ||
7422bac4 SP |
1275 | /* All calls must be guarded by find_object() or find_mark() to |
1276 | * ensure the 'struct object_entry' passed was written by this | |
1277 | * process instance. We unpack the entry by the offset, avoiding | |
1278 | * the need for the corresponding .idx file. This unpacking rule | |
1279 | * works because we only use OBJ_REF_DELTA within the packfiles | |
1280 | * created by fast-import. | |
1281 | * | |
1282 | * oe must not be NULL. Such an oe usually comes from giving | |
1283 | * an unknown SHA-1 to find_object() or an undefined mark to | |
1284 | * find_mark(). Callers must test for this condition and use | |
1285 | * the standard read_sha1_file() when it happens. | |
1286 | * | |
1287 | * oe->pack_id must not be MAX_PACK_ID. Such an oe is usually from | |
1288 | * find_mark(), where the mark was reloaded from an existing marks | |
1289 | * file and is referencing an object that this fast-import process | |
1290 | * instance did not write out to a packfile. Callers must test for | |
1291 | * this condition and use read_sha1_file() instead. | |
1292 | */ | |
7bfe6e26 SP |
1293 | static void *gfi_unpack_entry( |
1294 | struct object_entry *oe, | |
1295 | unsigned long *sizep) | |
41e5257f | 1296 | { |
21666f1a | 1297 | enum object_type type; |
7bfe6e26 | 1298 | struct packed_git *p = all_packs[oe->pack_id]; |
c9ced051 | 1299 | if (p == pack_data && p->pack_size < (pack_size + 20)) { |
7422bac4 SP |
1300 | /* The object is stored in the packfile we are writing to |
1301 | * and we have modified it since the last time we scanned | |
1302 | * back to read a previously written object. If an old | |
1303 | * window covered [p->pack_size, p->pack_size + 20) its | |
1304 | * data is stale and is not valid. Closing all windows | |
1305 | * and updating the packfile length ensures we can read | |
1306 | * the newly written data. | |
1307 | */ | |
c9ced051 | 1308 | close_pack_windows(p); |
21281816 | 1309 | sha1flush(pack_file); |
7422bac4 SP |
1310 | |
1311 | /* We have to offer 20 bytes additional on the end of | |
1312 | * the packfile as the core unpacker code assumes the | |
1313 | * footer is present at the file end and must promise | |
1314 | * at least 20 bytes within any window it maps. But | |
1315 | * we don't actually create the footer here. | |
1316 | */ | |
7bfe6e26 | 1317 | p->pack_size = pack_size + 20; |
c9ced051 | 1318 | } |
3fc366bd | 1319 | return unpack_entry(p, oe->idx.offset, &type, sizep); |
41e5257f SP |
1320 | } |
1321 | ||
10831c55 | 1322 | static const char *get_mode(const char *str, uint16_t *modep) |
463acbe1 SP |
1323 | { |
1324 | unsigned char c; | |
10831c55 | 1325 | uint16_t mode = 0; |
463acbe1 SP |
1326 | |
1327 | while ((c = *str++) != ' ') { | |
1328 | if (c < '0' || c > '7') | |
1329 | return NULL; | |
1330 | mode = (mode << 3) + (c - '0'); | |
1331 | } | |
1332 | *modep = mode; | |
1333 | return str; | |
1334 | } | |
1335 | ||
1336 | static void load_tree(struct tree_entry *root) | |
1337 | { | |
4b25d091 | 1338 | unsigned char *sha1 = root->versions[1].sha1; |
463acbe1 SP |
1339 | struct object_entry *myoe; |
1340 | struct tree_content *t; | |
1341 | unsigned long size; | |
1342 | char *buf; | |
1343 | const char *c; | |
463acbe1 SP |
1344 | |
1345 | root->tree = t = new_tree_content(8); | |
4cabf858 | 1346 | if (is_null_sha1(sha1)) |
463acbe1 SP |
1347 | return; |
1348 | ||
4cabf858 | 1349 | myoe = find_object(sha1); |
20f546a8 | 1350 | if (myoe && myoe->pack_id != MAX_PACK_ID) { |
41e5257f | 1351 | if (myoe->type != OBJ_TREE) |
4cabf858 | 1352 | die("Not a tree: %s", sha1_to_hex(sha1)); |
436e7a74 | 1353 | t->delta_depth = myoe->depth; |
7bfe6e26 | 1354 | buf = gfi_unpack_entry(myoe, &size); |
e8b32e06 SP |
1355 | if (!buf) |
1356 | die("Can't load tree %s", sha1_to_hex(sha1)); | |
463acbe1 | 1357 | } else { |
21666f1a NP |
1358 | enum object_type type; |
1359 | buf = read_sha1_file(sha1, &type, &size); | |
1360 | if (!buf || type != OBJ_TREE) | |
4cabf858 | 1361 | die("Can't load tree %s", sha1_to_hex(sha1)); |
463acbe1 SP |
1362 | } |
1363 | ||
1364 | c = buf; | |
1365 | while (c != (buf + size)) { | |
1366 | struct tree_entry *e = new_tree_entry(); | |
1367 | ||
1368 | if (t->entry_count == t->entry_capacity) | |
f022f85f | 1369 | root->tree = t = grow_tree_content(t, t->entry_count); |
463acbe1 SP |
1370 | t->entries[t->entry_count++] = e; |
1371 | ||
1372 | e->tree = NULL; | |
4cabf858 | 1373 | c = get_mode(c, &e->versions[1].mode); |
463acbe1 | 1374 | if (!c) |
4cabf858 SP |
1375 | die("Corrupt mode in %s", sha1_to_hex(sha1)); |
1376 | e->versions[0].mode = e->versions[1].mode; | |
061e35c5 | 1377 | e->name = to_atom(c, strlen(c)); |
463acbe1 | 1378 | c += e->name->str_len + 1; |
4b25d091 FC |
1379 | hashcpy(e->versions[0].sha1, (unsigned char *)c); |
1380 | hashcpy(e->versions[1].sha1, (unsigned char *)c); | |
463acbe1 SP |
1381 | c += 20; |
1382 | } | |
1383 | free(buf); | |
1384 | } | |
1385 | ||
4cabf858 | 1386 | static int tecmp0 (const void *_a, const void *_b) |
463acbe1 SP |
1387 | { |
1388 | struct tree_entry *a = *((struct tree_entry**)_a); | |
1389 | struct tree_entry *b = *((struct tree_entry**)_b); | |
1390 | return base_name_compare( | |
4cabf858 SP |
1391 | a->name->str_dat, a->name->str_len, a->versions[0].mode, |
1392 | b->name->str_dat, b->name->str_len, b->versions[0].mode); | |
463acbe1 SP |
1393 | } |
1394 | ||
4cabf858 | 1395 | static int tecmp1 (const void *_a, const void *_b) |
463acbe1 | 1396 | { |
4cabf858 SP |
1397 | struct tree_entry *a = *((struct tree_entry**)_a); |
1398 | struct tree_entry *b = *((struct tree_entry**)_b); | |
1399 | return base_name_compare( | |
1400 | a->name->str_dat, a->name->str_len, a->versions[1].mode, | |
1401 | b->name->str_dat, b->name->str_len, b->versions[1].mode); | |
1402 | } | |
1403 | ||
eec813cf | 1404 | static void mktree(struct tree_content *t, int v, struct strbuf *b) |
4cabf858 SP |
1405 | { |
1406 | size_t maxlen = 0; | |
463acbe1 | 1407 | unsigned int i; |
463acbe1 | 1408 | |
4cabf858 SP |
1409 | if (!v) |
1410 | qsort(t->entries,t->entry_count,sizeof(t->entries[0]),tecmp0); | |
1411 | else | |
1412 | qsort(t->entries,t->entry_count,sizeof(t->entries[0]),tecmp1); | |
463acbe1 | 1413 | |
463acbe1 | 1414 | for (i = 0; i < t->entry_count; i++) { |
4cabf858 SP |
1415 | if (t->entries[i]->versions[v].mode) |
1416 | maxlen += t->entries[i]->name->str_len + 34; | |
463acbe1 SP |
1417 | } |
1418 | ||
eec813cf PH |
1419 | strbuf_reset(b); |
1420 | strbuf_grow(b, maxlen); | |
463acbe1 SP |
1421 | for (i = 0; i < t->entry_count; i++) { |
1422 | struct tree_entry *e = t->entries[i]; | |
4cabf858 SP |
1423 | if (!e->versions[v].mode) |
1424 | continue; | |
eec813cf PH |
1425 | strbuf_addf(b, "%o %s%c", (unsigned int)e->versions[v].mode, |
1426 | e->name->str_dat, '\0'); | |
1427 | strbuf_add(b, e->versions[v].sha1, 20); | |
463acbe1 | 1428 | } |
4cabf858 SP |
1429 | } |
1430 | ||
1431 | static void store_tree(struct tree_entry *root) | |
1432 | { | |
1433 | struct tree_content *t = root->tree; | |
1434 | unsigned int i, j, del; | |
05576569 | 1435 | struct last_object lo = { STRBUF_INIT, 0, 0, /* no_swap */ 1 }; |
d489bc14 | 1436 | struct object_entry *le; |
4cabf858 SP |
1437 | |
1438 | if (!is_null_sha1(root->versions[1].sha1)) | |
1439 | return; | |
1440 | ||
1441 | for (i = 0; i < t->entry_count; i++) { | |
1442 | if (t->entries[i]->tree) | |
1443 | store_tree(t->entries[i]); | |
1444 | } | |
1445 | ||
d489bc14 | 1446 | le = find_object(root->versions[0].sha1); |
05576569 | 1447 | if (S_ISDIR(root->versions[0].mode) && le && le->pack_id == pack_id) { |
eec813cf | 1448 | mktree(t, 0, &old_tree); |
05576569 | 1449 | lo.data = old_tree; |
3fc366bd | 1450 | lo.offset = le->idx.offset; |
4cabf858 | 1451 | lo.depth = t->delta_depth; |
4cabf858 | 1452 | } |
4cabf858 | 1453 | |
eec813cf PH |
1454 | mktree(t, 1, &new_tree); |
1455 | store_object(OBJ_TREE, &new_tree, &lo, root->versions[1].sha1, 0); | |
4cabf858 SP |
1456 | |
1457 | t->delta_depth = lo.depth; | |
4cabf858 SP |
1458 | for (i = 0, j = 0, del = 0; i < t->entry_count; i++) { |
1459 | struct tree_entry *e = t->entries[i]; | |
1460 | if (e->versions[1].mode) { | |
1461 | e->versions[0].mode = e->versions[1].mode; | |
1462 | hashcpy(e->versions[0].sha1, e->versions[1].sha1); | |
1463 | t->entries[j++] = e; | |
1464 | } else { | |
1465 | release_tree_entry(e); | |
1466 | del++; | |
1467 | } | |
1468 | } | |
1469 | t->entry_count -= del; | |
463acbe1 SP |
1470 | } |
1471 | ||
34215783 JN |
1472 | static void tree_content_replace( |
1473 | struct tree_entry *root, | |
1474 | const unsigned char *sha1, | |
1475 | const uint16_t mode, | |
1476 | struct tree_content *newtree) | |
1477 | { | |
1478 | if (!S_ISDIR(mode)) | |
1479 | die("Root cannot be a non-directory"); | |
1480 | hashcpy(root->versions[1].sha1, sha1); | |
1481 | if (root->tree) | |
1482 | release_tree_content_recursive(root->tree); | |
1483 | root->tree = newtree; | |
1484 | } | |
1485 | ||
463acbe1 SP |
1486 | static int tree_content_set( |
1487 | struct tree_entry *root, | |
1488 | const char *p, | |
1489 | const unsigned char *sha1, | |
f39a946a SP |
1490 | const uint16_t mode, |
1491 | struct tree_content *subtree) | |
463acbe1 | 1492 | { |
5edde510 | 1493 | struct tree_content *t; |
463acbe1 SP |
1494 | const char *slash1; |
1495 | unsigned int i, n; | |
1496 | struct tree_entry *e; | |
1497 | ||
1498 | slash1 = strchr(p, '/'); | |
1499 | if (slash1) | |
1500 | n = slash1 - p; | |
1501 | else | |
1502 | n = strlen(p); | |
475d1b33 SP |
1503 | if (!n) |
1504 | die("Empty path component found in input"); | |
f39a946a SP |
1505 | if (!slash1 && !S_ISDIR(mode) && subtree) |
1506 | die("Non-directories cannot have subtrees"); | |
463acbe1 | 1507 | |
5edde510 JN |
1508 | if (!root->tree) |
1509 | load_tree(root); | |
1510 | t = root->tree; | |
463acbe1 SP |
1511 | for (i = 0; i < t->entry_count; i++) { |
1512 | e = t->entries[i]; | |
50906e04 | 1513 | if (e->name->str_len == n && !strncmp_icase(p, e->name->str_dat, n)) { |
463acbe1 | 1514 | if (!slash1) { |
f39a946a SP |
1515 | if (!S_ISDIR(mode) |
1516 | && e->versions[1].mode == mode | |
4cabf858 | 1517 | && !hashcmp(e->versions[1].sha1, sha1)) |
463acbe1 | 1518 | return 0; |
4cabf858 SP |
1519 | e->versions[1].mode = mode; |
1520 | hashcpy(e->versions[1].sha1, sha1); | |
f39a946a | 1521 | if (e->tree) |
afde8dd9 | 1522 | release_tree_content_recursive(e->tree); |
f39a946a | 1523 | e->tree = subtree; |
4cabf858 | 1524 | hashclr(root->versions[1].sha1); |
463acbe1 SP |
1525 | return 1; |
1526 | } | |
4cabf858 | 1527 | if (!S_ISDIR(e->versions[1].mode)) { |
463acbe1 | 1528 | e->tree = new_tree_content(8); |
4cabf858 | 1529 | e->versions[1].mode = S_IFDIR; |
463acbe1 SP |
1530 | } |
1531 | if (!e->tree) | |
1532 | load_tree(e); | |
f39a946a | 1533 | if (tree_content_set(e, slash1 + 1, sha1, mode, subtree)) { |
4cabf858 | 1534 | hashclr(root->versions[1].sha1); |
463acbe1 SP |
1535 | return 1; |
1536 | } | |
1537 | return 0; | |
1538 | } | |
1539 | } | |
1540 | ||
1541 | if (t->entry_count == t->entry_capacity) | |
f022f85f | 1542 | root->tree = t = grow_tree_content(t, t->entry_count); |
463acbe1 | 1543 | e = new_tree_entry(); |
061e35c5 | 1544 | e->name = to_atom(p, n); |
4cabf858 SP |
1545 | e->versions[0].mode = 0; |
1546 | hashclr(e->versions[0].sha1); | |
463acbe1 SP |
1547 | t->entries[t->entry_count++] = e; |
1548 | if (slash1) { | |
1549 | e->tree = new_tree_content(8); | |
4cabf858 | 1550 | e->versions[1].mode = S_IFDIR; |
f39a946a | 1551 | tree_content_set(e, slash1 + 1, sha1, mode, subtree); |
463acbe1 | 1552 | } else { |
f39a946a | 1553 | e->tree = subtree; |
4cabf858 SP |
1554 | e->versions[1].mode = mode; |
1555 | hashcpy(e->versions[1].sha1, sha1); | |
463acbe1 | 1556 | } |
4cabf858 | 1557 | hashclr(root->versions[1].sha1); |
463acbe1 SP |
1558 | return 1; |
1559 | } | |
1560 | ||
f39a946a SP |
1561 | static int tree_content_remove( |
1562 | struct tree_entry *root, | |
1563 | const char *p, | |
1564 | struct tree_entry *backup_leaf) | |
463acbe1 | 1565 | { |
5edde510 | 1566 | struct tree_content *t; |
463acbe1 SP |
1567 | const char *slash1; |
1568 | unsigned int i, n; | |
1569 | struct tree_entry *e; | |
1570 | ||
1571 | slash1 = strchr(p, '/'); | |
1572 | if (slash1) | |
1573 | n = slash1 - p; | |
1574 | else | |
1575 | n = strlen(p); | |
1576 | ||
5edde510 JN |
1577 | if (!root->tree) |
1578 | load_tree(root); | |
1579 | t = root->tree; | |
463acbe1 SP |
1580 | for (i = 0; i < t->entry_count; i++) { |
1581 | e = t->entries[i]; | |
50906e04 | 1582 | if (e->name->str_len == n && !strncmp_icase(p, e->name->str_dat, n)) { |
253fb5f8 EN |
1583 | if (slash1 && !S_ISDIR(e->versions[1].mode)) |
1584 | /* | |
1585 | * If p names a file in some subdirectory, and a | |
1586 | * file or symlink matching the name of the | |
1587 | * parent directory of p exists, then p cannot | |
1588 | * exist and need not be deleted. | |
1589 | */ | |
1590 | return 1; | |
4cabf858 | 1591 | if (!slash1 || !S_ISDIR(e->versions[1].mode)) |
463acbe1 SP |
1592 | goto del_entry; |
1593 | if (!e->tree) | |
1594 | load_tree(e); | |
f39a946a | 1595 | if (tree_content_remove(e, slash1 + 1, backup_leaf)) { |
b54d6422 SP |
1596 | for (n = 0; n < e->tree->entry_count; n++) { |
1597 | if (e->tree->entries[n]->versions[1].mode) { | |
1598 | hashclr(root->versions[1].sha1); | |
1599 | return 1; | |
1600 | } | |
1601 | } | |
f39a946a | 1602 | backup_leaf = NULL; |
b54d6422 | 1603 | goto del_entry; |
463acbe1 SP |
1604 | } |
1605 | return 0; | |
1606 | } | |
1607 | } | |
1608 | return 0; | |
1609 | ||
1610 | del_entry: | |
f39a946a SP |
1611 | if (backup_leaf) |
1612 | memcpy(backup_leaf, e, sizeof(*backup_leaf)); | |
1613 | else if (e->tree) | |
4cabf858 | 1614 | release_tree_content_recursive(e->tree); |
f39a946a | 1615 | e->tree = NULL; |
4cabf858 SP |
1616 | e->versions[1].mode = 0; |
1617 | hashclr(e->versions[1].sha1); | |
1618 | hashclr(root->versions[1].sha1); | |
ac47a738 | 1619 | return 1; |
db5e523f SP |
1620 | } |
1621 | ||
b6f3481b SP |
1622 | static int tree_content_get( |
1623 | struct tree_entry *root, | |
1624 | const char *p, | |
1625 | struct tree_entry *leaf) | |
1626 | { | |
5edde510 | 1627 | struct tree_content *t; |
b6f3481b SP |
1628 | const char *slash1; |
1629 | unsigned int i, n; | |
1630 | struct tree_entry *e; | |
1631 | ||
1632 | slash1 = strchr(p, '/'); | |
1633 | if (slash1) | |
1634 | n = slash1 - p; | |
1635 | else | |
1636 | n = strlen(p); | |
1637 | ||
5edde510 JN |
1638 | if (!root->tree) |
1639 | load_tree(root); | |
1640 | t = root->tree; | |
b6f3481b SP |
1641 | for (i = 0; i < t->entry_count; i++) { |
1642 | e = t->entries[i]; | |
50906e04 | 1643 | if (e->name->str_len == n && !strncmp_icase(p, e->name->str_dat, n)) { |
b6f3481b SP |
1644 | if (!slash1) { |
1645 | memcpy(leaf, e, sizeof(*leaf)); | |
1646 | if (e->tree && is_null_sha1(e->versions[1].sha1)) | |
1647 | leaf->tree = dup_tree_content(e->tree); | |
1648 | else | |
1649 | leaf->tree = NULL; | |
1650 | return 1; | |
1651 | } | |
1652 | if (!S_ISDIR(e->versions[1].mode)) | |
1653 | return 0; | |
1654 | if (!e->tree) | |
1655 | load_tree(e); | |
1656 | return tree_content_get(e, slash1 + 1, leaf); | |
1657 | } | |
1658 | } | |
1659 | return 0; | |
1660 | } | |
1661 | ||
7073e69e | 1662 | static int update_branch(struct branch *b) |
463acbe1 SP |
1663 | { |
1664 | static const char *msg = "fast-import"; | |
7073e69e SP |
1665 | struct ref_lock *lock; |
1666 | unsigned char old_sha1[20]; | |
1667 | ||
198724ad EB |
1668 | if (is_null_sha1(b->sha1)) |
1669 | return 0; | |
7073e69e SP |
1670 | if (read_ref(b->name, old_sha1)) |
1671 | hashclr(old_sha1); | |
68db31cc | 1672 | lock = lock_any_ref_for_update(b->name, old_sha1, 0); |
7073e69e SP |
1673 | if (!lock) |
1674 | return error("Unable to lock %s", b->name); | |
1675 | if (!force_update && !is_null_sha1(old_sha1)) { | |
1676 | struct commit *old_cmit, *new_cmit; | |
1677 | ||
1678 | old_cmit = lookup_commit_reference_gently(old_sha1, 0); | |
1679 | new_cmit = lookup_commit_reference_gently(b->sha1, 0); | |
1680 | if (!old_cmit || !new_cmit) { | |
1681 | unlock_ref(lock); | |
1682 | return error("Branch %s is missing commits.", b->name); | |
1683 | } | |
1684 | ||
4a164d48 | 1685 | if (!in_merge_bases(old_cmit, &new_cmit, 1)) { |
7073e69e | 1686 | unlock_ref(lock); |
46efd2d9 | 1687 | warning("Not updating %s" |
7073e69e SP |
1688 | " (new tip %s does not contain %s)", |
1689 | b->name, sha1_to_hex(b->sha1), sha1_to_hex(old_sha1)); | |
1690 | return -1; | |
1691 | } | |
1692 | } | |
1693 | if (write_ref_sha1(lock, b->sha1, msg) < 0) | |
1694 | return error("Unable to update %s", b->name); | |
1695 | return 0; | |
1696 | } | |
1697 | ||
1698 | static void dump_branches(void) | |
1699 | { | |
463acbe1 SP |
1700 | unsigned int i; |
1701 | struct branch *b; | |
463acbe1 SP |
1702 | |
1703 | for (i = 0; i < branch_table_sz; i++) { | |
7073e69e SP |
1704 | for (b = branch_table[i]; b; b = b->table_next_branch) |
1705 | failure |= update_branch(b); | |
463acbe1 SP |
1706 | } |
1707 | } | |
1708 | ||
fd99224e | 1709 | static void dump_tags(void) |
72303d44 SP |
1710 | { |
1711 | static const char *msg = "fast-import"; | |
1712 | struct tag *t; | |
1713 | struct ref_lock *lock; | |
7073e69e | 1714 | char ref_name[PATH_MAX]; |
72303d44 SP |
1715 | |
1716 | for (t = first_tag; t; t = t->next_tag) { | |
7073e69e SP |
1717 | sprintf(ref_name, "tags/%s", t->name); |
1718 | lock = lock_ref_sha1(ref_name, NULL); | |
72303d44 | 1719 | if (!lock || write_ref_sha1(lock, t->sha1, msg) < 0) |
7073e69e | 1720 | failure |= error("Unable to update %s", ref_name); |
72303d44 SP |
1721 | } |
1722 | } | |
1723 | ||
a6a1a831 | 1724 | static void dump_marks_helper(FILE *f, |
0ea9f045 | 1725 | uintmax_t base, |
a6a1a831 SP |
1726 | struct mark_set *m) |
1727 | { | |
0ea9f045 | 1728 | uintmax_t k; |
a6a1a831 SP |
1729 | if (m->shift) { |
1730 | for (k = 0; k < 1024; k++) { | |
1731 | if (m->data.sets[k]) | |
7e7db5e4 | 1732 | dump_marks_helper(f, base + (k << m->shift), |
a6a1a831 SP |
1733 | m->data.sets[k]); |
1734 | } | |
1735 | } else { | |
1736 | for (k = 0; k < 1024; k++) { | |
1737 | if (m->data.marked[k]) | |
3efb1f34 | 1738 | fprintf(f, ":%" PRIuMAX " %s\n", base + k, |
3fc366bd | 1739 | sha1_to_hex(m->data.marked[k]->idx.sha1)); |
a6a1a831 SP |
1740 | } |
1741 | } | |
1742 | } | |
1743 | ||
fd99224e | 1744 | static void dump_marks(void) |
a6a1a831 | 1745 | { |
60b9004c SP |
1746 | static struct lock_file mark_lock; |
1747 | int mark_fd; | |
1748 | FILE *f; | |
1749 | ||
07cd9328 | 1750 | if (!export_marks_file) |
60b9004c SP |
1751 | return; |
1752 | ||
07cd9328 | 1753 | mark_fd = hold_lock_file_for_update(&mark_lock, export_marks_file, 0); |
60b9004c SP |
1754 | if (mark_fd < 0) { |
1755 | failure |= error("Unable to write marks file %s: %s", | |
07cd9328 | 1756 | export_marks_file, strerror(errno)); |
60b9004c | 1757 | return; |
a6a1a831 | 1758 | } |
60b9004c SP |
1759 | |
1760 | f = fdopen(mark_fd, "w"); | |
1761 | if (!f) { | |
5a7b1b57 | 1762 | int saved_errno = errno; |
60b9004c SP |
1763 | rollback_lock_file(&mark_lock); |
1764 | failure |= error("Unable to write marks file %s: %s", | |
07cd9328 | 1765 | export_marks_file, strerror(saved_errno)); |
60b9004c | 1766 | return; |
a6a1a831 | 1767 | } |
60b9004c | 1768 | |
4ed7cd3a | 1769 | /* |
fb54abd6 BC |
1770 | * Since the lock file was fdopen()'ed, it should not be close()'ed. |
1771 | * Assign -1 to the lock file descriptor so that commit_lock_file() | |
4ed7cd3a BC |
1772 | * won't try to close() it. |
1773 | */ | |
1774 | mark_lock.fd = -1; | |
fb54abd6 BC |
1775 | |
1776 | dump_marks_helper(f, 0, marks); | |
1777 | if (ferror(f) || fclose(f)) { | |
5a7b1b57 | 1778 | int saved_errno = errno; |
fb54abd6 BC |
1779 | rollback_lock_file(&mark_lock); |
1780 | failure |= error("Unable to write marks file %s: %s", | |
07cd9328 | 1781 | export_marks_file, strerror(saved_errno)); |
fb54abd6 BC |
1782 | return; |
1783 | } | |
1784 | ||
1785 | if (commit_lock_file(&mark_lock)) { | |
5a7b1b57 | 1786 | int saved_errno = errno; |
fb54abd6 BC |
1787 | rollback_lock_file(&mark_lock); |
1788 | failure |= error("Unable to commit marks file %s: %s", | |
07cd9328 | 1789 | export_marks_file, strerror(saved_errno)); |
fb54abd6 BC |
1790 | return; |
1791 | } | |
a6a1a831 SP |
1792 | } |
1793 | ||
07cd9328 SR |
1794 | static void read_marks(void) |
1795 | { | |
1796 | char line[512]; | |
1797 | FILE *f = fopen(import_marks_file, "r"); | |
1798 | if (!f) | |
1799 | die_errno("cannot read '%s'", import_marks_file); | |
1800 | while (fgets(line, sizeof(line), f)) { | |
1801 | uintmax_t mark; | |
1802 | char *end; | |
1803 | unsigned char sha1[20]; | |
1804 | struct object_entry *e; | |
1805 | ||
1806 | end = strchr(line, '\n'); | |
1807 | if (line[0] != ':' || !end) | |
1808 | die("corrupt mark line: %s", line); | |
1809 | *end = 0; | |
1810 | mark = strtoumax(line + 1, &end, 10); | |
1811 | if (!mark || end == line + 1 | |
1812 | || *end != ' ' || get_sha1(end + 1, sha1)) | |
1813 | die("corrupt mark line: %s", line); | |
1814 | e = find_object(sha1); | |
1815 | if (!e) { | |
1816 | enum object_type type = sha1_object_info(sha1, NULL); | |
1817 | if (type < 0) | |
1818 | die("object not found: %s", sha1_to_hex(sha1)); | |
1819 | e = insert_object(sha1); | |
1820 | e->type = type; | |
1821 | e->pack_id = MAX_PACK_ID; | |
3fc366bd | 1822 | e->idx.offset = 1; /* just not zero! */ |
07cd9328 SR |
1823 | } |
1824 | insert_mark(mark, e); | |
1825 | } | |
1826 | fclose(f); | |
1827 | } | |
1828 | ||
1829 | ||
e6c019d0 | 1830 | static int read_next_command(void) |
c44cdc7e | 1831 | { |
e6c019d0 PH |
1832 | static int stdin_eof = 0; |
1833 | ||
1834 | if (stdin_eof) { | |
1835 | unread_command_buf = 0; | |
1836 | return EOF; | |
1837 | } | |
1838 | ||
777f80d7 | 1839 | for (;;) { |
904b1941 | 1840 | if (unread_command_buf) { |
1fdb649c | 1841 | unread_command_buf = 0; |
904b1941 SP |
1842 | } else { |
1843 | struct recent_command *rc; | |
1844 | ||
b315c5c0 | 1845 | strbuf_detach(&command_buf, NULL); |
e6c019d0 PH |
1846 | stdin_eof = strbuf_getline(&command_buf, stdin, '\n'); |
1847 | if (stdin_eof) | |
1848 | return EOF; | |
904b1941 | 1849 | |
f963bd5d | 1850 | if (!seen_data_command |
9c8398f0 SR |
1851 | && prefixcmp(command_buf.buf, "feature ") |
1852 | && prefixcmp(command_buf.buf, "option ")) { | |
1853 | parse_argv(); | |
f963bd5d SR |
1854 | } |
1855 | ||
904b1941 SP |
1856 | rc = rc_free; |
1857 | if (rc) | |
1858 | rc_free = rc->next; | |
1859 | else { | |
1860 | rc = cmd_hist.next; | |
1861 | cmd_hist.next = rc->next; | |
1862 | cmd_hist.next->prev = &cmd_hist; | |
1863 | free(rc->buf); | |
1864 | } | |
1865 | ||
1866 | rc->buf = command_buf.buf; | |
1867 | rc->prev = cmd_tail; | |
1868 | rc->next = cmd_hist.prev; | |
1869 | rc->prev->next = rc; | |
1870 | cmd_tail = rc; | |
1871 | } | |
777f80d7 JN |
1872 | if (!prefixcmp(command_buf.buf, "cat-blob ")) { |
1873 | parse_cat_blob(); | |
1874 | continue; | |
1875 | } | |
1876 | if (command_buf.buf[0] == '#') | |
1877 | continue; | |
1878 | return 0; | |
1879 | } | |
c44cdc7e SP |
1880 | } |
1881 | ||
7e5dcea8 | 1882 | static void skip_optional_lf(void) |
2c570cde SP |
1883 | { |
1884 | int term_char = fgetc(stdin); | |
1885 | if (term_char != '\n' && term_char != EOF) | |
1886 | ungetc(term_char, stdin); | |
1887 | } | |
1888 | ||
b3031781 | 1889 | static void parse_mark(void) |
c44cdc7e | 1890 | { |
599065a3 | 1891 | if (!prefixcmp(command_buf.buf, "mark :")) { |
0ea9f045 | 1892 | next_mark = strtoumax(command_buf.buf + 6, NULL, 10); |
c44cdc7e SP |
1893 | read_next_command(); |
1894 | } | |
1895 | else | |
d8397168 | 1896 | next_mark = 0; |
c44cdc7e SP |
1897 | } |
1898 | ||
5eef828b | 1899 | static int parse_data(struct strbuf *sb, uintmax_t limit, uintmax_t *len_res) |
c44cdc7e | 1900 | { |
eec813cf | 1901 | strbuf_reset(sb); |
c44cdc7e | 1902 | |
599065a3 | 1903 | if (prefixcmp(command_buf.buf, "data ")) |
c44cdc7e SP |
1904 | die("Expected 'data n' command, found: %s", command_buf.buf); |
1905 | ||
599065a3 | 1906 | if (!prefixcmp(command_buf.buf + 5, "<<")) { |
3b4dce02 | 1907 | char *term = xstrdup(command_buf.buf + 5 + 2); |
4a241d79 PH |
1908 | size_t term_len = command_buf.len - 5 - 2; |
1909 | ||
c2e6b6d0 | 1910 | strbuf_detach(&command_buf, NULL); |
3b4dce02 | 1911 | for (;;) { |
e6c019d0 | 1912 | if (strbuf_getline(&command_buf, stdin, '\n') == EOF) |
3b4dce02 SP |
1913 | die("EOF in data (terminator '%s' not found)", term); |
1914 | if (term_len == command_buf.len | |
1915 | && !strcmp(term, command_buf.buf)) | |
1916 | break; | |
eec813cf PH |
1917 | strbuf_addbuf(sb, &command_buf); |
1918 | strbuf_addch(sb, '\n'); | |
3b4dce02 SP |
1919 | } |
1920 | free(term); | |
1921 | } | |
1922 | else { | |
5eef828b SP |
1923 | uintmax_t len = strtoumax(command_buf.buf + 5, NULL, 10); |
1924 | size_t n = 0, length = (size_t)len; | |
4a241d79 | 1925 | |
5eef828b SP |
1926 | if (limit && limit < len) { |
1927 | *len_res = len; | |
1928 | return 0; | |
1929 | } | |
1930 | if (length < len) | |
1931 | die("data is too large to use in this context"); | |
4a241d79 | 1932 | |
3b4dce02 | 1933 | while (n < length) { |
eec813cf | 1934 | size_t s = strbuf_fread(sb, length - n, stdin); |
3b4dce02 | 1935 | if (!s && feof(stdin)) |
40db58b8 JS |
1936 | die("EOF in data (%lu bytes remaining)", |
1937 | (unsigned long)(length - n)); | |
3b4dce02 SP |
1938 | n += s; |
1939 | } | |
c44cdc7e SP |
1940 | } |
1941 | ||
2c570cde | 1942 | skip_optional_lf(); |
5eef828b | 1943 | return 1; |
c44cdc7e SP |
1944 | } |
1945 | ||
63e0c8b3 SP |
1946 | static int validate_raw_date(const char *src, char *result, int maxlen) |
1947 | { | |
1948 | const char *orig_src = src; | |
eb3a9dd3 | 1949 | char *endp; |
1cd749cc | 1950 | unsigned long num; |
63e0c8b3 | 1951 | |
c55fae43 RS |
1952 | errno = 0; |
1953 | ||
1cd749cc JH |
1954 | num = strtoul(src, &endp, 10); |
1955 | /* NEEDSWORK: perhaps check for reasonable values? */ | |
c55fae43 | 1956 | if (errno || endp == src || *endp != ' ') |
63e0c8b3 SP |
1957 | return -1; |
1958 | ||
1959 | src = endp + 1; | |
1960 | if (*src != '-' && *src != '+') | |
1961 | return -1; | |
63e0c8b3 | 1962 | |
1cd749cc JH |
1963 | num = strtoul(src + 1, &endp, 10); |
1964 | if (errno || endp == src + 1 || *endp || (endp - orig_src) >= maxlen || | |
1965 | 1400 < num) | |
63e0c8b3 SP |
1966 | return -1; |
1967 | ||
1968 | strcpy(result, orig_src); | |
1969 | return 0; | |
1970 | } | |
1971 | ||
1972 | static char *parse_ident(const char *buf) | |
1973 | { | |
1974 | const char *gt; | |
1975 | size_t name_len; | |
1976 | char *ident; | |
1977 | ||
1978 | gt = strrchr(buf, '>'); | |
1979 | if (!gt) | |
1980 | die("Missing > in ident string: %s", buf); | |
1981 | gt++; | |
1982 | if (*gt != ' ') | |
1983 | die("Missing space after > in ident string: %s", buf); | |
1984 | gt++; | |
1985 | name_len = gt - buf; | |
1986 | ident = xmalloc(name_len + 24); | |
1987 | strncpy(ident, buf, name_len); | |
1988 | ||
1989 | switch (whenspec) { | |
1990 | case WHENSPEC_RAW: | |
1991 | if (validate_raw_date(gt, ident + name_len, 24) < 0) | |
1992 | die("Invalid raw date \"%s\" in ident: %s", gt, buf); | |
1993 | break; | |
1994 | case WHENSPEC_RFC2822: | |
1995 | if (parse_date(gt, ident + name_len, 24) < 0) | |
1996 | die("Invalid rfc2822 date \"%s\" in ident: %s", gt, buf); | |
1997 | break; | |
1998 | case WHENSPEC_NOW: | |
1999 | if (strcmp("now", gt)) | |
2000 | die("Date in ident must be 'now': %s", buf); | |
2001 | datestamp(ident + name_len, 24); | |
2002 | break; | |
2003 | } | |
2004 | ||
2005 | return ident; | |
2006 | } | |
2007 | ||
5eef828b SP |
2008 | static void parse_and_store_blob( |
2009 | struct last_object *last, | |
2010 | unsigned char *sha1out, | |
2011 | uintmax_t mark) | |
6143f064 | 2012 | { |
05576569 | 2013 | static struct strbuf buf = STRBUF_INIT; |
5eef828b | 2014 | uintmax_t len; |
c44cdc7e | 2015 | |
5eef828b SP |
2016 | if (parse_data(&buf, big_file_threshold, &len)) |
2017 | store_object(OBJ_BLOB, &buf, last, sha1out, mark); | |
2018 | else { | |
2019 | if (last) { | |
2020 | strbuf_release(&last->data); | |
2021 | last->offset = 0; | |
2022 | last->depth = 0; | |
2023 | } | |
2024 | stream_blob(len, sha1out, mark); | |
2025 | skip_optional_lf(); | |
2026 | } | |
2027 | } | |
2028 | ||
2029 | static void parse_new_blob(void) | |
2030 | { | |
c44cdc7e | 2031 | read_next_command(); |
b3031781 | 2032 | parse_mark(); |
5eef828b | 2033 | parse_and_store_blob(&last_blob, NULL, next_mark); |
6143f064 SP |
2034 | } |
2035 | ||
fd99224e | 2036 | static void unload_one_branch(void) |
6bb5b329 | 2037 | { |
41e5257f SP |
2038 | while (cur_active_branches |
2039 | && cur_active_branches >= max_active_branches) { | |
6777a59f | 2040 | uintmax_t min_commit = ULONG_MAX; |
463acbe1 SP |
2041 | struct branch *e, *l = NULL, *p = NULL; |
2042 | ||
2043 | for (e = active_branches; e; e = e->active_next_branch) { | |
2044 | if (e->last_commit < min_commit) { | |
2045 | p = l; | |
2046 | min_commit = e->last_commit; | |
2047 | } | |
2048 | l = e; | |
2049 | } | |
2050 | ||
2051 | if (p) { | |
2052 | e = p->active_next_branch; | |
2053 | p->active_next_branch = e->active_next_branch; | |
2054 | } else { | |
2055 | e = active_branches; | |
2056 | active_branches = e->active_next_branch; | |
2057 | } | |
734c91f9 | 2058 | e->active = 0; |
463acbe1 SP |
2059 | e->active_next_branch = NULL; |
2060 | if (e->branch_tree.tree) { | |
afde8dd9 | 2061 | release_tree_content_recursive(e->branch_tree.tree); |
463acbe1 SP |
2062 | e->branch_tree.tree = NULL; |
2063 | } | |
2064 | cur_active_branches--; | |
6bb5b329 | 2065 | } |
6bb5b329 SP |
2066 | } |
2067 | ||
463acbe1 | 2068 | static void load_branch(struct branch *b) |
6bb5b329 | 2069 | { |
463acbe1 | 2070 | load_tree(&b->branch_tree); |
734c91f9 SP |
2071 | if (!b->active) { |
2072 | b->active = 1; | |
2073 | b->active_next_branch = active_branches; | |
2074 | active_branches = b; | |
2075 | cur_active_branches++; | |
2076 | branch_load_count++; | |
2077 | } | |
6bb5b329 SP |
2078 | } |
2079 | ||
2a113aee JH |
2080 | static unsigned char convert_num_notes_to_fanout(uintmax_t num_notes) |
2081 | { | |
2082 | unsigned char fanout = 0; | |
2083 | while ((num_notes >>= 8)) | |
2084 | fanout++; | |
2085 | return fanout; | |
2086 | } | |
2087 | ||
2088 | static void construct_path_with_fanout(const char *hex_sha1, | |
2089 | unsigned char fanout, char *path) | |
2090 | { | |
2091 | unsigned int i = 0, j = 0; | |
2092 | if (fanout >= 20) | |
2093 | die("Too large fanout (%u)", fanout); | |
2094 | while (fanout) { | |
2095 | path[i++] = hex_sha1[j++]; | |
2096 | path[i++] = hex_sha1[j++]; | |
2097 | path[i++] = '/'; | |
2098 | fanout--; | |
2099 | } | |
2100 | memcpy(path + i, hex_sha1 + j, 40 - j); | |
2101 | path[i + 40 - j] = '\0'; | |
2102 | } | |
2103 | ||
2104 | static uintmax_t do_change_note_fanout( | |
2105 | struct tree_entry *orig_root, struct tree_entry *root, | |
2106 | char *hex_sha1, unsigned int hex_sha1_len, | |
2107 | char *fullpath, unsigned int fullpath_len, | |
2108 | unsigned char fanout) | |
2109 | { | |
2110 | struct tree_content *t = root->tree; | |
2111 | struct tree_entry *e, leaf; | |
2112 | unsigned int i, tmp_hex_sha1_len, tmp_fullpath_len; | |
2113 | uintmax_t num_notes = 0; | |
2114 | unsigned char sha1[20]; | |
2115 | char realpath[60]; | |
2116 | ||
2117 | for (i = 0; t && i < t->entry_count; i++) { | |
2118 | e = t->entries[i]; | |
2119 | tmp_hex_sha1_len = hex_sha1_len + e->name->str_len; | |
2120 | tmp_fullpath_len = fullpath_len; | |
2121 | ||
2122 | /* | |
2123 | * We're interested in EITHER existing note entries (entries | |
2124 | * with exactly 40 hex chars in path, not including directory | |
2125 | * separators), OR directory entries that may contain note | |
2126 | * entries (with < 40 hex chars in path). | |
2127 | * Also, each path component in a note entry must be a multiple | |
2128 | * of 2 chars. | |
2129 | */ | |
2130 | if (!e->versions[1].mode || | |
2131 | tmp_hex_sha1_len > 40 || | |
2132 | e->name->str_len % 2) | |
2133 | continue; | |
2134 | ||
2135 | /* This _may_ be a note entry, or a subdir containing notes */ | |
2136 | memcpy(hex_sha1 + hex_sha1_len, e->name->str_dat, | |
2137 | e->name->str_len); | |
2138 | if (tmp_fullpath_len) | |
2139 | fullpath[tmp_fullpath_len++] = '/'; | |
2140 | memcpy(fullpath + tmp_fullpath_len, e->name->str_dat, | |
2141 | e->name->str_len); | |
2142 | tmp_fullpath_len += e->name->str_len; | |
2143 | fullpath[tmp_fullpath_len] = '\0'; | |
2144 | ||
2145 | if (tmp_hex_sha1_len == 40 && !get_sha1_hex(hex_sha1, sha1)) { | |
2146 | /* This is a note entry */ | |
2147 | construct_path_with_fanout(hex_sha1, fanout, realpath); | |
2148 | if (!strcmp(fullpath, realpath)) { | |
2149 | /* Note entry is in correct location */ | |
2150 | num_notes++; | |
2151 | continue; | |
2152 | } | |
2153 | ||
2154 | /* Rename fullpath to realpath */ | |
2155 | if (!tree_content_remove(orig_root, fullpath, &leaf)) | |
2156 | die("Failed to remove path %s", fullpath); | |
2157 | tree_content_set(orig_root, realpath, | |
2158 | leaf.versions[1].sha1, | |
2159 | leaf.versions[1].mode, | |
2160 | leaf.tree); | |
2161 | } else if (S_ISDIR(e->versions[1].mode)) { | |
2162 | /* This is a subdir that may contain note entries */ | |
2163 | if (!e->tree) | |
2164 | load_tree(e); | |
2165 | num_notes += do_change_note_fanout(orig_root, e, | |
2166 | hex_sha1, tmp_hex_sha1_len, | |
2167 | fullpath, tmp_fullpath_len, fanout); | |
2168 | } | |
2169 | ||
2170 | /* The above may have reallocated the current tree_content */ | |
2171 | t = root->tree; | |
2172 | } | |
2173 | return num_notes; | |
2174 | } | |
2175 | ||
2176 | static uintmax_t change_note_fanout(struct tree_entry *root, | |
2177 | unsigned char fanout) | |
2178 | { | |
2179 | char hex_sha1[40], path[60]; | |
2180 | return do_change_note_fanout(root, root, hex_sha1, 0, path, 0, fanout); | |
2181 | } | |
2182 | ||
463acbe1 | 2183 | static void file_change_m(struct branch *b) |
6bb5b329 | 2184 | { |
c44cdc7e | 2185 | const char *p = command_buf.buf + 2; |
7fb1011e | 2186 | static struct strbuf uq = STRBUF_INIT; |
c44cdc7e | 2187 | const char *endp; |
10e8d688 | 2188 | struct object_entry *oe = oe; |
463acbe1 | 2189 | unsigned char sha1[20]; |
10831c55 | 2190 | uint16_t mode, inline_data = 0; |
6bb5b329 | 2191 | |
c44cdc7e SP |
2192 | p = get_mode(p, &mode); |
2193 | if (!p) | |
2194 | die("Corrupt mode: %s", command_buf.buf); | |
2195 | switch (mode) { | |
3d1d81eb FC |
2196 | case 0644: |
2197 | case 0755: | |
2198 | mode |= S_IFREG; | |
c44cdc7e SP |
2199 | case S_IFREG | 0644: |
2200 | case S_IFREG | 0755: | |
ace4a9d1 | 2201 | case S_IFLNK: |
334fba65 | 2202 | case S_IFDIR: |
03db4525 | 2203 | case S_IFGITLINK: |
c44cdc7e SP |
2204 | /* ok */ |
2205 | break; | |
2206 | default: | |
2207 | die("Corrupt mode: %s", command_buf.buf); | |
2208 | } | |
2209 | ||
d8397168 SP |
2210 | if (*p == ':') { |
2211 | char *x; | |
0ea9f045 | 2212 | oe = find_mark(strtoumax(p + 1, &x, 10)); |
3fc366bd | 2213 | hashcpy(sha1, oe->idx.sha1); |
d8397168 | 2214 | p = x; |
599065a3 | 2215 | } else if (!prefixcmp(p, "inline")) { |
b715cfbb SP |
2216 | inline_data = 1; |
2217 | p += 6; | |
d8397168 SP |
2218 | } else { |
2219 | if (get_sha1_hex(p, sha1)) | |
2220 | die("Invalid SHA1: %s", command_buf.buf); | |
2221 | oe = find_object(sha1); | |
2222 | p += 40; | |
2223 | } | |
c44cdc7e SP |
2224 | if (*p++ != ' ') |
2225 | die("Missing space after SHA1: %s", command_buf.buf); | |
2226 | ||
7fb1011e PH |
2227 | strbuf_reset(&uq); |
2228 | if (!unquote_c_style(&uq, p, &endp)) { | |
c44cdc7e SP |
2229 | if (*endp) |
2230 | die("Garbage after path in: %s", command_buf.buf); | |
7fb1011e | 2231 | p = uq.buf; |
c44cdc7e | 2232 | } |
6bb5b329 | 2233 | |
8fe533f6 JN |
2234 | /* Git does not track empty, non-toplevel directories. */ |
2235 | if (S_ISDIR(mode) && !memcmp(sha1, EMPTY_TREE_SHA1_BIN, 20) && *p) { | |
2236 | tree_content_remove(&b->branch_tree, p, NULL); | |
2237 | return; | |
2238 | } | |
2239 | ||
03db4525 AG |
2240 | if (S_ISGITLINK(mode)) { |
2241 | if (inline_data) | |
2242 | die("Git links cannot be specified 'inline': %s", | |
2243 | command_buf.buf); | |
2244 | else if (oe) { | |
2245 | if (oe->type != OBJ_COMMIT) | |
2246 | die("Not a commit (actually a %s): %s", | |
2247 | typename(oe->type), command_buf.buf); | |
2248 | } | |
2249 | /* | |
2250 | * Accept the sha1 without checking; it expected to be in | |
2251 | * another repository. | |
2252 | */ | |
2253 | } else if (inline_data) { | |
334fba65 JN |
2254 | if (S_ISDIR(mode)) |
2255 | die("Directories cannot be specified 'inline': %s", | |
2256 | command_buf.buf); | |
7fb1011e PH |
2257 | if (p != uq.buf) { |
2258 | strbuf_addstr(&uq, p); | |
2259 | p = uq.buf; | |
2260 | } | |
b715cfbb | 2261 | read_next_command(); |
5eef828b | 2262 | parse_and_store_blob(&last_blob, sha1, 0); |
7111feed | 2263 | } else { |
334fba65 JN |
2264 | enum object_type expected = S_ISDIR(mode) ? |
2265 | OBJ_TREE: OBJ_BLOB; | |
2266 | enum object_type type = oe ? oe->type : | |
2267 | sha1_object_info(sha1, NULL); | |
21666f1a | 2268 | if (type < 0) |
334fba65 JN |
2269 | die("%s not found: %s", |
2270 | S_ISDIR(mode) ? "Tree" : "Blob", | |
2271 | command_buf.buf); | |
2272 | if (type != expected) | |
2273 | die("Not a %s (actually a %s): %s", | |
2274 | typename(expected), typename(type), | |
2275 | command_buf.buf); | |
7111feed | 2276 | } |
6bb5b329 | 2277 | |
34215783 JN |
2278 | if (!*p) { |
2279 | tree_content_replace(&b->branch_tree, sha1, mode, NULL); | |
2280 | return; | |
2281 | } | |
3d1d81eb | 2282 | tree_content_set(&b->branch_tree, p, sha1, mode, NULL); |
463acbe1 | 2283 | } |
6bb5b329 | 2284 | |
463acbe1 SP |
2285 | static void file_change_d(struct branch *b) |
2286 | { | |
c44cdc7e | 2287 | const char *p = command_buf.buf + 2; |
7fb1011e | 2288 | static struct strbuf uq = STRBUF_INIT; |
c44cdc7e SP |
2289 | const char *endp; |
2290 | ||
7fb1011e PH |
2291 | strbuf_reset(&uq); |
2292 | if (!unquote_c_style(&uq, p, &endp)) { | |
c44cdc7e SP |
2293 | if (*endp) |
2294 | die("Garbage after path in: %s", command_buf.buf); | |
7fb1011e | 2295 | p = uq.buf; |
c44cdc7e | 2296 | } |
f39a946a | 2297 | tree_content_remove(&b->branch_tree, p, NULL); |
6bb5b329 SP |
2298 | } |
2299 | ||
b6f3481b | 2300 | static void file_change_cr(struct branch *b, int rename) |
f39a946a SP |
2301 | { |
2302 | const char *s, *d; | |
7fb1011e PH |
2303 | static struct strbuf s_uq = STRBUF_INIT; |
2304 | static struct strbuf d_uq = STRBUF_INIT; | |
f39a946a SP |
2305 | const char *endp; |
2306 | struct tree_entry leaf; | |
2307 | ||
2308 | s = command_buf.buf + 2; | |
7fb1011e PH |
2309 | strbuf_reset(&s_uq); |
2310 | if (!unquote_c_style(&s_uq, s, &endp)) { | |
f39a946a SP |
2311 | if (*endp != ' ') |
2312 | die("Missing space after source: %s", command_buf.buf); | |
7fb1011e | 2313 | } else { |
f39a946a SP |
2314 | endp = strchr(s, ' '); |
2315 | if (!endp) | |
2316 | die("Missing space after source: %s", command_buf.buf); | |
7fb1011e | 2317 | strbuf_add(&s_uq, s, endp - s); |
f39a946a | 2318 | } |
7fb1011e | 2319 | s = s_uq.buf; |
f39a946a SP |
2320 | |
2321 | endp++; | |
2322 | if (!*endp) | |
2323 | die("Missing dest: %s", command_buf.buf); | |
2324 | ||
2325 | d = endp; | |
7fb1011e PH |
2326 | strbuf_reset(&d_uq); |
2327 | if (!unquote_c_style(&d_uq, d, &endp)) { | |
f39a946a SP |
2328 | if (*endp) |
2329 | die("Garbage after dest in: %s", command_buf.buf); | |
7fb1011e | 2330 | d = d_uq.buf; |
f39a946a SP |
2331 | } |
2332 | ||
2333 | memset(&leaf, 0, sizeof(leaf)); | |
b6f3481b SP |
2334 | if (rename) |
2335 | tree_content_remove(&b->branch_tree, s, &leaf); | |
2336 | else | |
2337 | tree_content_get(&b->branch_tree, s, &leaf); | |
f39a946a SP |
2338 | if (!leaf.versions[1].mode) |
2339 | die("Path %s not in branch", s); | |
34215783 JN |
2340 | if (!*d) { /* C "path/to/subdir" "" */ |
2341 | tree_content_replace(&b->branch_tree, | |
2342 | leaf.versions[1].sha1, | |
2343 | leaf.versions[1].mode, | |
2344 | leaf.tree); | |
2345 | return; | |
2346 | } | |
f39a946a SP |
2347 | tree_content_set(&b->branch_tree, d, |
2348 | leaf.versions[1].sha1, | |
2349 | leaf.versions[1].mode, | |
2350 | leaf.tree); | |
f39a946a SP |
2351 | } |
2352 | ||
2a113aee | 2353 | static void note_change_n(struct branch *b, unsigned char old_fanout) |
a8dd2e7d JH |
2354 | { |
2355 | const char *p = command_buf.buf + 2; | |
2356 | static struct strbuf uq = STRBUF_INIT; | |
2357 | struct object_entry *oe = oe; | |
2358 | struct branch *s; | |
2359 | unsigned char sha1[20], commit_sha1[20]; | |
2a113aee | 2360 | char path[60]; |
a8dd2e7d | 2361 | uint16_t inline_data = 0; |
2a113aee | 2362 | unsigned char new_fanout; |
a8dd2e7d JH |
2363 | |
2364 | /* <dataref> or 'inline' */ | |
2365 | if (*p == ':') { | |
2366 | char *x; | |
2367 | oe = find_mark(strtoumax(p + 1, &x, 10)); | |
3fc366bd | 2368 | hashcpy(sha1, oe->idx.sha1); |
a8dd2e7d JH |
2369 | p = x; |
2370 | } else if (!prefixcmp(p, "inline")) { | |
2371 | inline_data = 1; | |
2372 | p += 6; | |
2373 | } else { | |
2374 | if (get_sha1_hex(p, sha1)) | |
2375 | die("Invalid SHA1: %s", command_buf.buf); | |
2376 | oe = find_object(sha1); | |
2377 | p += 40; | |
2378 | } | |
2379 | if (*p++ != ' ') | |
2380 | die("Missing space after SHA1: %s", command_buf.buf); | |
2381 | ||
2382 | /* <committish> */ | |
2383 | s = lookup_branch(p); | |
2384 | if (s) { | |
2385 | hashcpy(commit_sha1, s->sha1); | |
2386 | } else if (*p == ':') { | |
2387 | uintmax_t commit_mark = strtoumax(p + 1, NULL, 10); | |
2388 | struct object_entry *commit_oe = find_mark(commit_mark); | |
2389 | if (commit_oe->type != OBJ_COMMIT) | |
2390 | die("Mark :%" PRIuMAX " not a commit", commit_mark); | |
3fc366bd | 2391 | hashcpy(commit_sha1, commit_oe->idx.sha1); |
a8dd2e7d JH |
2392 | } else if (!get_sha1(p, commit_sha1)) { |
2393 | unsigned long size; | |
2394 | char *buf = read_object_with_reference(commit_sha1, | |
2395 | commit_type, &size, commit_sha1); | |
2396 | if (!buf || size < 46) | |
2397 | die("Not a valid commit: %s", p); | |
2398 | free(buf); | |
2399 | } else | |
2400 | die("Invalid ref name or SHA1 expression: %s", p); | |
2401 | ||
2402 | if (inline_data) { | |
a8dd2e7d JH |
2403 | if (p != uq.buf) { |
2404 | strbuf_addstr(&uq, p); | |
2405 | p = uq.buf; | |
2406 | } | |
2407 | read_next_command(); | |
5eef828b | 2408 | parse_and_store_blob(&last_blob, sha1, 0); |
a8dd2e7d JH |
2409 | } else if (oe) { |
2410 | if (oe->type != OBJ_BLOB) | |
2411 | die("Not a blob (actually a %s): %s", | |
2412 | typename(oe->type), command_buf.buf); | |
2a113aee | 2413 | } else if (!is_null_sha1(sha1)) { |
a8dd2e7d JH |
2414 | enum object_type type = sha1_object_info(sha1, NULL); |
2415 | if (type < 0) | |
2416 | die("Blob not found: %s", command_buf.buf); | |
2417 | if (type != OBJ_BLOB) | |
2418 | die("Not a blob (actually a %s): %s", | |
2419 | typename(type), command_buf.buf); | |
2420 | } | |
2421 | ||
2a113aee JH |
2422 | construct_path_with_fanout(sha1_to_hex(commit_sha1), old_fanout, path); |
2423 | if (tree_content_remove(&b->branch_tree, path, NULL)) | |
2424 | b->num_notes--; | |
2425 | ||
2426 | if (is_null_sha1(sha1)) | |
2427 | return; /* nothing to insert */ | |
2428 | ||
2429 | b->num_notes++; | |
2430 | new_fanout = convert_num_notes_to_fanout(b->num_notes); | |
2431 | construct_path_with_fanout(sha1_to_hex(commit_sha1), new_fanout, path); | |
2432 | tree_content_set(&b->branch_tree, path, sha1, S_IFREG | 0644, NULL); | |
a8dd2e7d JH |
2433 | } |
2434 | ||
825769a8 SP |
2435 | static void file_change_deleteall(struct branch *b) |
2436 | { | |
2437 | release_tree_content_recursive(b->branch_tree.tree); | |
2438 | hashclr(b->branch_tree.versions[0].sha1); | |
2439 | hashclr(b->branch_tree.versions[1].sha1); | |
2440 | load_tree(&b->branch_tree); | |
2a113aee | 2441 | b->num_notes = 0; |
825769a8 SP |
2442 | } |
2443 | ||
b3031781 | 2444 | static void parse_from_commit(struct branch *b, char *buf, unsigned long size) |
654aaa37 SP |
2445 | { |
2446 | if (!buf || size < 46) | |
2447 | die("Not a valid commit: %s", sha1_to_hex(b->sha1)); | |
2448 | if (memcmp("tree ", buf, 5) | |
2449 | || get_sha1_hex(buf + 5, b->branch_tree.versions[1].sha1)) | |
2450 | die("The commit %s is corrupt", sha1_to_hex(b->sha1)); | |
2451 | hashcpy(b->branch_tree.versions[0].sha1, | |
2452 | b->branch_tree.versions[1].sha1); | |
2453 | } | |
2454 | ||
b3031781 | 2455 | static void parse_from_existing(struct branch *b) |
654aaa37 SP |
2456 | { |
2457 | if (is_null_sha1(b->sha1)) { | |
2458 | hashclr(b->branch_tree.versions[0].sha1); | |
2459 | hashclr(b->branch_tree.versions[1].sha1); | |
2460 | } else { | |
2461 | unsigned long size; | |
2462 | char *buf; | |
2463 | ||
2464 | buf = read_object_with_reference(b->sha1, | |
2465 | commit_type, &size, b->sha1); | |
b3031781 | 2466 | parse_from_commit(b, buf, size); |
654aaa37 SP |
2467 | free(buf); |
2468 | } | |
2469 | } | |
2470 | ||
b3031781 | 2471 | static int parse_from(struct branch *b) |
00e2b884 | 2472 | { |
6c3aac1c | 2473 | const char *from; |
00e2b884 SP |
2474 | struct branch *s; |
2475 | ||
599065a3 | 2476 | if (prefixcmp(command_buf.buf, "from ")) |
1fdb649c | 2477 | return 0; |
00e2b884 | 2478 | |
ea5e370a SP |
2479 | if (b->branch_tree.tree) { |
2480 | release_tree_content_recursive(b->branch_tree.tree); | |
2481 | b->branch_tree.tree = NULL; | |
2482 | } | |
00e2b884 SP |
2483 | |
2484 | from = strchr(command_buf.buf, ' ') + 1; | |
00e2b884 SP |
2485 | s = lookup_branch(from); |
2486 | if (b == s) | |
2487 | die("Can't create a branch from itself: %s", b->name); | |
2488 | else if (s) { | |
4cabf858 | 2489 | unsigned char *t = s->branch_tree.versions[1].sha1; |
445b8599 | 2490 | hashcpy(b->sha1, s->sha1); |
4cabf858 SP |
2491 | hashcpy(b->branch_tree.versions[0].sha1, t); |
2492 | hashcpy(b->branch_tree.versions[1].sha1, t); | |
00e2b884 | 2493 | } else if (*from == ':') { |
0ea9f045 | 2494 | uintmax_t idnum = strtoumax(from + 1, NULL, 10); |
00e2b884 | 2495 | struct object_entry *oe = find_mark(idnum); |
00e2b884 | 2496 | if (oe->type != OBJ_COMMIT) |
3efb1f34 | 2497 | die("Mark :%" PRIuMAX " not a commit", idnum); |
3fc366bd | 2498 | hashcpy(b->sha1, oe->idx.sha1); |
aac65ed1 | 2499 | if (oe->pack_id != MAX_PACK_ID) { |
00e2b884 | 2500 | unsigned long size; |
aac65ed1 | 2501 | char *buf = gfi_unpack_entry(oe, &size); |
b3031781 | 2502 | parse_from_commit(b, buf, size); |
00e2b884 | 2503 | free(buf); |
aac65ed1 | 2504 | } else |
b3031781 | 2505 | parse_from_existing(b); |
654aaa37 | 2506 | } else if (!get_sha1(from, b->sha1)) |
b3031781 | 2507 | parse_from_existing(b); |
654aaa37 | 2508 | else |
00e2b884 SP |
2509 | die("Invalid ref name or SHA1 expression: %s", from); |
2510 | ||
2511 | read_next_command(); | |
1fdb649c | 2512 | return 1; |
00e2b884 SP |
2513 | } |
2514 | ||
b3031781 | 2515 | static struct hash_list *parse_merge(unsigned int *count) |
62b6f483 | 2516 | { |
10e8d688 | 2517 | struct hash_list *list = NULL, *n, *e = e; |
6c3aac1c | 2518 | const char *from; |
62b6f483 SP |
2519 | struct branch *s; |
2520 | ||
2521 | *count = 0; | |
599065a3 | 2522 | while (!prefixcmp(command_buf.buf, "merge ")) { |
62b6f483 | 2523 | from = strchr(command_buf.buf, ' ') + 1; |
62b6f483 SP |
2524 | n = xmalloc(sizeof(*n)); |
2525 | s = lookup_branch(from); | |
2526 | if (s) | |
2527 | hashcpy(n->sha1, s->sha1); | |
2528 | else if (*from == ':') { | |
0ea9f045 | 2529 | uintmax_t idnum = strtoumax(from + 1, NULL, 10); |
62b6f483 SP |
2530 | struct object_entry *oe = find_mark(idnum); |
2531 | if (oe->type != OBJ_COMMIT) | |
3efb1f34 | 2532 | die("Mark :%" PRIuMAX " not a commit", idnum); |
3fc366bd | 2533 | hashcpy(n->sha1, oe->idx.sha1); |
2f6dc35d SP |
2534 | } else if (!get_sha1(from, n->sha1)) { |
2535 | unsigned long size; | |
2536 | char *buf = read_object_with_reference(n->sha1, | |
6b4318e6 | 2537 | commit_type, &size, n->sha1); |
2f6dc35d SP |
2538 | if (!buf || size < 46) |
2539 | die("Not a valid commit: %s", from); | |
2540 | free(buf); | |
2541 | } else | |
62b6f483 SP |
2542 | die("Invalid ref name or SHA1 expression: %s", from); |
2543 | ||
2544 | n->next = NULL; | |
2545 | if (list) | |
2546 | e->next = n; | |
2547 | else | |
2548 | list = n; | |
2549 | e = n; | |
10e8d688 | 2550 | (*count)++; |
62b6f483 SP |
2551 | read_next_command(); |
2552 | } | |
2553 | return list; | |
2554 | } | |
2555 | ||
b3031781 | 2556 | static void parse_new_commit(void) |
6bb5b329 | 2557 | { |
eec813cf | 2558 | static struct strbuf msg = STRBUF_INIT; |
c44cdc7e | 2559 | struct branch *b; |
c44cdc7e SP |
2560 | char *sp; |
2561 | char *author = NULL; | |
2562 | char *committer = NULL; | |
62b6f483 SP |
2563 | struct hash_list *merge_list = NULL; |
2564 | unsigned int merge_count; | |
2a113aee | 2565 | unsigned char prev_fanout, new_fanout; |
c44cdc7e SP |
2566 | |
2567 | /* Obtain the branch name from the rest of our command */ | |
2568 | sp = strchr(command_buf.buf, ' ') + 1; | |
c44cdc7e | 2569 | b = lookup_branch(sp); |
463acbe1 | 2570 | if (!b) |
00e2b884 | 2571 | b = new_branch(sp); |
c44cdc7e SP |
2572 | |
2573 | read_next_command(); | |
b3031781 | 2574 | parse_mark(); |
599065a3 | 2575 | if (!prefixcmp(command_buf.buf, "author ")) { |
63e0c8b3 | 2576 | author = parse_ident(command_buf.buf + 7); |
c44cdc7e SP |
2577 | read_next_command(); |
2578 | } | |
599065a3 | 2579 | if (!prefixcmp(command_buf.buf, "committer ")) { |
63e0c8b3 | 2580 | committer = parse_ident(command_buf.buf + 10); |
c44cdc7e SP |
2581 | read_next_command(); |
2582 | } | |
2583 | if (!committer) | |
2584 | die("Expected committer but didn't get one"); | |
5eef828b | 2585 | parse_data(&msg, 0, NULL); |
02f3389d | 2586 | read_next_command(); |
b3031781 MV |
2587 | parse_from(b); |
2588 | merge_list = parse_merge(&merge_count); | |
c44cdc7e SP |
2589 | |
2590 | /* ensure the branch is active/loaded */ | |
41e5257f | 2591 | if (!b->branch_tree.tree || !max_active_branches) { |
463acbe1 SP |
2592 | unload_one_branch(); |
2593 | load_branch(b); | |
2594 | } | |
6bb5b329 | 2595 | |
2a113aee JH |
2596 | prev_fanout = convert_num_notes_to_fanout(b->num_notes); |
2597 | ||
463acbe1 | 2598 | /* file_change* */ |
e6c019d0 | 2599 | while (command_buf.len > 0) { |
1fdb649c | 2600 | if (!prefixcmp(command_buf.buf, "M ")) |
463acbe1 | 2601 | file_change_m(b); |
599065a3 | 2602 | else if (!prefixcmp(command_buf.buf, "D ")) |
463acbe1 | 2603 | file_change_d(b); |
f39a946a | 2604 | else if (!prefixcmp(command_buf.buf, "R ")) |
b6f3481b SP |
2605 | file_change_cr(b, 1); |
2606 | else if (!prefixcmp(command_buf.buf, "C ")) | |
2607 | file_change_cr(b, 0); | |
a8dd2e7d | 2608 | else if (!prefixcmp(command_buf.buf, "N ")) |
2a113aee | 2609 | note_change_n(b, prev_fanout); |
825769a8 SP |
2610 | else if (!strcmp("deleteall", command_buf.buf)) |
2611 | file_change_deleteall(b); | |
1fdb649c SP |
2612 | else { |
2613 | unread_command_buf = 1; | |
2614 | break; | |
2615 | } | |
e6c019d0 PH |
2616 | if (read_next_command() == EOF) |
2617 | break; | |
6bb5b329 | 2618 | } |
6bb5b329 | 2619 | |
2a113aee JH |
2620 | new_fanout = convert_num_notes_to_fanout(b->num_notes); |
2621 | if (new_fanout != prev_fanout) | |
2622 | b->num_notes = change_note_fanout(&b->branch_tree, new_fanout); | |
2623 | ||
c44cdc7e | 2624 | /* build the tree and the commit */ |
463acbe1 | 2625 | store_tree(&b->branch_tree); |
8a8c55ea SP |
2626 | hashcpy(b->branch_tree.versions[0].sha1, |
2627 | b->branch_tree.versions[1].sha1); | |
eec813cf PH |
2628 | |
2629 | strbuf_reset(&new_data); | |
2630 | strbuf_addf(&new_data, "tree %s\n", | |
4cabf858 | 2631 | sha1_to_hex(b->branch_tree.versions[1].sha1)); |
445b8599 | 2632 | if (!is_null_sha1(b->sha1)) |
eec813cf | 2633 | strbuf_addf(&new_data, "parent %s\n", sha1_to_hex(b->sha1)); |
62b6f483 SP |
2634 | while (merge_list) { |
2635 | struct hash_list *next = merge_list->next; | |
eec813cf | 2636 | strbuf_addf(&new_data, "parent %s\n", sha1_to_hex(merge_list->sha1)); |
62b6f483 SP |
2637 | free(merge_list); |
2638 | merge_list = next; | |
2639 | } | |
eec813cf PH |
2640 | strbuf_addf(&new_data, |
2641 | "author %s\n" | |
2642 | "committer %s\n" | |
2643 | "\n", | |
2644 | author ? author : committer, committer); | |
2645 | strbuf_addbuf(&new_data, &msg); | |
e7d06a4b | 2646 | free(author); |
c44cdc7e | 2647 | free(committer); |
c44cdc7e | 2648 | |
eec813cf | 2649 | if (!store_object(OBJ_COMMIT, &new_data, NULL, b->sha1, next_mark)) |
69e74e74 | 2650 | b->pack_id = pack_id; |
463acbe1 | 2651 | b->last_commit = object_count_by_type[OBJ_COMMIT]; |
6bb5b329 SP |
2652 | } |
2653 | ||
b3031781 | 2654 | static void parse_new_tag(void) |
72303d44 | 2655 | { |
eec813cf | 2656 | static struct strbuf msg = STRBUF_INIT; |
72303d44 SP |
2657 | char *sp; |
2658 | const char *from; | |
2659 | char *tagger; | |
2660 | struct branch *s; | |
72303d44 | 2661 | struct tag *t; |
0ea9f045 | 2662 | uintmax_t from_mark = 0; |
72303d44 | 2663 | unsigned char sha1[20]; |
8db751a8 | 2664 | enum object_type type; |
72303d44 SP |
2665 | |
2666 | /* Obtain the new tag name from the rest of our command */ | |
2667 | sp = strchr(command_buf.buf, ' ') + 1; | |
72303d44 SP |
2668 | t = pool_alloc(sizeof(struct tag)); |
2669 | t->next_tag = NULL; | |
2670 | t->name = pool_strdup(sp); | |
2671 | if (last_tag) | |
2672 | last_tag->next_tag = t; | |
2673 | else | |
2674 | first_tag = t; | |
2675 | last_tag = t; | |
72303d44 SP |
2676 | read_next_command(); |
2677 | ||
2678 | /* from ... */ | |
599065a3 | 2679 | if (prefixcmp(command_buf.buf, "from ")) |
72303d44 | 2680 | die("Expected from command, got %s", command_buf.buf); |
72303d44 | 2681 | from = strchr(command_buf.buf, ' ') + 1; |
72303d44 SP |
2682 | s = lookup_branch(from); |
2683 | if (s) { | |
445b8599 | 2684 | hashcpy(sha1, s->sha1); |
8db751a8 | 2685 | type = OBJ_COMMIT; |
72303d44 | 2686 | } else if (*from == ':') { |
10e8d688 | 2687 | struct object_entry *oe; |
0ea9f045 | 2688 | from_mark = strtoumax(from + 1, NULL, 10); |
10e8d688 | 2689 | oe = find_mark(from_mark); |
8db751a8 | 2690 | type = oe->type; |
3fc366bd | 2691 | hashcpy(sha1, oe->idx.sha1); |
72303d44 SP |
2692 | } else if (!get_sha1(from, sha1)) { |
2693 | unsigned long size; | |
2694 | char *buf; | |
2695 | ||
8db751a8 | 2696 | buf = read_sha1_file(sha1, &type, &size); |
72303d44 SP |
2697 | if (!buf || size < 46) |
2698 | die("Not a valid commit: %s", from); | |
2699 | free(buf); | |
2700 | } else | |
2701 | die("Invalid ref name or SHA1 expression: %s", from); | |
72303d44 SP |
2702 | read_next_command(); |
2703 | ||
2704 | /* tagger ... */ | |
88fbf67b JH |
2705 | if (!prefixcmp(command_buf.buf, "tagger ")) { |
2706 | tagger = parse_ident(command_buf.buf + 7); | |
2707 | read_next_command(); | |
2708 | } else | |
2709 | tagger = NULL; | |
72303d44 SP |
2710 | |
2711 | /* tag payload/message */ | |
5eef828b | 2712 | parse_data(&msg, 0, NULL); |
72303d44 SP |
2713 | |
2714 | /* build the tag object */ | |
eec813cf | 2715 | strbuf_reset(&new_data); |
88fbf67b | 2716 | |
eec813cf | 2717 | strbuf_addf(&new_data, |
88fbf67b JH |
2718 | "object %s\n" |
2719 | "type %s\n" | |
2720 | "tag %s\n", | |
8db751a8 | 2721 | sha1_to_hex(sha1), typename(type), t->name); |
88fbf67b JH |
2722 | if (tagger) |
2723 | strbuf_addf(&new_data, | |
2724 | "tagger %s\n", tagger); | |
2725 | strbuf_addch(&new_data, '\n'); | |
eec813cf | 2726 | strbuf_addbuf(&new_data, &msg); |
72303d44 | 2727 | free(tagger); |
72303d44 | 2728 | |
eec813cf | 2729 | if (store_object(OBJ_TAG, &new_data, NULL, t->sha1, 0)) |
69e74e74 SP |
2730 | t->pack_id = MAX_PACK_ID; |
2731 | else | |
2732 | t->pack_id = pack_id; | |
72303d44 SP |
2733 | } |
2734 | ||
b3031781 | 2735 | static void parse_reset_branch(void) |
5fced8dc SP |
2736 | { |
2737 | struct branch *b; | |
5fced8dc SP |
2738 | char *sp; |
2739 | ||
2740 | /* Obtain the branch name from the rest of our command */ | |
2741 | sp = strchr(command_buf.buf, ' ') + 1; | |
5fced8dc SP |
2742 | b = lookup_branch(sp); |
2743 | if (b) { | |
ea5e370a SP |
2744 | hashclr(b->sha1); |
2745 | hashclr(b->branch_tree.versions[0].sha1); | |
2746 | hashclr(b->branch_tree.versions[1].sha1); | |
5fced8dc SP |
2747 | if (b->branch_tree.tree) { |
2748 | release_tree_content_recursive(b->branch_tree.tree); | |
2749 | b->branch_tree.tree = NULL; | |
2750 | } | |
2751 | } | |
9938ffc5 SP |
2752 | else |
2753 | b = new_branch(sp); | |
9938ffc5 | 2754 | read_next_command(); |
b3031781 | 2755 | parse_from(b); |
655e8515 | 2756 | if (command_buf.len > 0) |
1fdb649c | 2757 | unread_command_buf = 1; |
5fced8dc SP |
2758 | } |
2759 | ||
85c62395 DB |
2760 | static void cat_blob_write(const char *buf, unsigned long size) |
2761 | { | |
2762 | if (write_in_full(cat_blob_fd, buf, size) != size) | |
2763 | die_errno("Write to frontend failed"); | |
2764 | } | |
2765 | ||
2766 | static void cat_blob(struct object_entry *oe, unsigned char sha1[20]) | |
2767 | { | |
2768 | struct strbuf line = STRBUF_INIT; | |
2769 | unsigned long size; | |
2770 | enum object_type type = 0; | |
2771 | char *buf; | |
2772 | ||
2773 | if (!oe || oe->pack_id == MAX_PACK_ID) { | |
2774 | buf = read_sha1_file(sha1, &type, &size); | |
2775 | } else { | |
2776 | type = oe->type; | |
2777 | buf = gfi_unpack_entry(oe, &size); | |
2778 | } | |
2779 | ||
2780 | /* | |
2781 | * Output based on batch_one_object() from cat-file.c. | |
2782 | */ | |
2783 | if (type <= 0) { | |
2784 | strbuf_reset(&line); | |
2785 | strbuf_addf(&line, "%s missing\n", sha1_to_hex(sha1)); | |
2786 | cat_blob_write(line.buf, line.len); | |
2787 | strbuf_release(&line); | |
2788 | free(buf); | |
2789 | return; | |
2790 | } | |
2791 | if (!buf) | |
2792 | die("Can't read object %s", sha1_to_hex(sha1)); | |
2793 | if (type != OBJ_BLOB) | |
2794 | die("Object %s is a %s but a blob was expected.", | |
2795 | sha1_to_hex(sha1), typename(type)); | |
2796 | strbuf_reset(&line); | |
2797 | strbuf_addf(&line, "%s %s %lu\n", sha1_to_hex(sha1), | |
2798 | typename(type), size); | |
2799 | cat_blob_write(line.buf, line.len); | |
2800 | strbuf_release(&line); | |
2801 | cat_blob_write(buf, size); | |
2802 | cat_blob_write("\n", 1); | |
2803 | free(buf); | |
2804 | } | |
2805 | ||
2806 | static void parse_cat_blob(void) | |
2807 | { | |
2808 | const char *p; | |
2809 | struct object_entry *oe = oe; | |
2810 | unsigned char sha1[20]; | |
2811 | ||
2812 | /* cat-blob SP <object> LF */ | |
2813 | p = command_buf.buf + strlen("cat-blob "); | |
2814 | if (*p == ':') { | |
2815 | char *x; | |
2816 | oe = find_mark(strtoumax(p + 1, &x, 10)); | |
2817 | if (x == p + 1) | |
2818 | die("Invalid mark: %s", command_buf.buf); | |
2819 | if (!oe) | |
2820 | die("Unknown mark: %s", command_buf.buf); | |
2821 | if (*x) | |
2822 | die("Garbage after mark: %s", command_buf.buf); | |
2823 | hashcpy(sha1, oe->idx.sha1); | |
2824 | } else { | |
2825 | if (get_sha1_hex(p, sha1)) | |
2826 | die("Invalid SHA1: %s", command_buf.buf); | |
2827 | if (p[40]) | |
2828 | die("Garbage after SHA1: %s", command_buf.buf); | |
2829 | oe = find_object(sha1); | |
2830 | } | |
2831 | ||
2832 | cat_blob(oe, sha1); | |
2833 | } | |
2834 | ||
dc01f59d | 2835 | static void checkpoint(void) |
7bfe6e26 | 2836 | { |
dc01f59d | 2837 | checkpoint_requested = 0; |
820b9310 SP |
2838 | if (object_count) { |
2839 | cycle_packfile(); | |
2840 | dump_branches(); | |
2841 | dump_tags(); | |
2842 | dump_marks(); | |
2843 | } | |
dc01f59d JN |
2844 | } |
2845 | ||
2846 | static void parse_checkpoint(void) | |
2847 | { | |
2848 | checkpoint_requested = 1; | |
1fdb649c | 2849 | skip_optional_lf(); |
7bfe6e26 SP |
2850 | } |
2851 | ||
b3031781 | 2852 | static void parse_progress(void) |
ac053c02 | 2853 | { |
b449f4cf | 2854 | fwrite(command_buf.buf, 1, command_buf.len, stdout); |
ac053c02 SP |
2855 | fputc('\n', stdout); |
2856 | fflush(stdout); | |
2857 | skip_optional_lf(); | |
2858 | } | |
2859 | ||
bc3c79ae | 2860 | static char* make_fast_import_path(const char *path) |
e8438420 | 2861 | { |
bc3c79ae | 2862 | struct strbuf abs_path = STRBUF_INIT; |
e8438420 | 2863 | |
bc3c79ae SR |
2864 | if (!relative_marks_paths || is_absolute_path(path)) |
2865 | return xstrdup(path); | |
2866 | strbuf_addf(&abs_path, "%s/info/fast-import/%s", get_git_dir(), path); | |
2867 | return strbuf_detach(&abs_path, NULL); | |
2868 | } | |
2869 | ||
081751c8 | 2870 | static void option_import_marks(const char *marks, int from_stream) |
e8438420 | 2871 | { |
081751c8 SR |
2872 | if (import_marks_file) { |
2873 | if (from_stream) | |
2874 | die("Only one import-marks command allowed per stream"); | |
2875 | ||
2876 | /* read previous mark file */ | |
2877 | if(!import_marks_file_from_stream) | |
2878 | read_marks(); | |
e8438420 | 2879 | } |
081751c8 | 2880 | |
bc3c79ae | 2881 | import_marks_file = make_fast_import_path(marks); |
580d5f83 | 2882 | safe_create_leading_directories_const(import_marks_file); |
081751c8 | 2883 | import_marks_file_from_stream = from_stream; |
e8438420 SP |
2884 | } |
2885 | ||
0f6927c2 SR |
2886 | static void option_date_format(const char *fmt) |
2887 | { | |
2888 | if (!strcmp(fmt, "raw")) | |
2889 | whenspec = WHENSPEC_RAW; | |
2890 | else if (!strcmp(fmt, "rfc2822")) | |
2891 | whenspec = WHENSPEC_RFC2822; | |
2892 | else if (!strcmp(fmt, "now")) | |
2893 | whenspec = WHENSPEC_NOW; | |
2894 | else | |
2895 | die("unknown --date-format argument %s", fmt); | |
2896 | } | |
2897 | ||
a9ff277e JN |
2898 | static unsigned long ulong_arg(const char *option, const char *arg) |
2899 | { | |
2900 | char *endptr; | |
2901 | unsigned long rv = strtoul(arg, &endptr, 0); | |
2902 | if (strchr(arg, '-') || endptr == arg || *endptr) | |
2903 | die("%s: argument must be a non-negative integer", option); | |
2904 | return rv; | |
2905 | } | |
2906 | ||
0f6927c2 SR |
2907 | static void option_depth(const char *depth) |
2908 | { | |
a9ff277e | 2909 | max_depth = ulong_arg("--depth", depth); |
0f6927c2 SR |
2910 | if (max_depth > MAX_DEPTH) |
2911 | die("--depth cannot exceed %u", MAX_DEPTH); | |
2912 | } | |
2913 | ||
2914 | static void option_active_branches(const char *branches) | |
2915 | { | |
a9ff277e | 2916 | max_active_branches = ulong_arg("--active-branches", branches); |
0f6927c2 SR |
2917 | } |
2918 | ||
2919 | static void option_export_marks(const char *marks) | |
2920 | { | |
bc3c79ae | 2921 | export_marks_file = make_fast_import_path(marks); |
580d5f83 | 2922 | safe_create_leading_directories_const(export_marks_file); |
0f6927c2 SR |
2923 | } |
2924 | ||
85c62395 DB |
2925 | static void option_cat_blob_fd(const char *fd) |
2926 | { | |
2927 | unsigned long n = ulong_arg("--cat-blob-fd", fd); | |
2928 | if (n > (unsigned long) INT_MAX) | |
2929 | die("--cat-blob-fd cannot exceed %d", INT_MAX); | |
2930 | cat_blob_fd = (int) n; | |
2931 | } | |
2932 | ||
0f6927c2 SR |
2933 | static void option_export_pack_edges(const char *edges) |
2934 | { | |
2935 | if (pack_edges) | |
2936 | fclose(pack_edges); | |
2937 | pack_edges = fopen(edges, "a"); | |
2938 | if (!pack_edges) | |
2939 | die_errno("Cannot open '%s'", edges); | |
2940 | } | |
2941 | ||
9c8398f0 | 2942 | static int parse_one_option(const char *option) |
0f6927c2 | 2943 | { |
9c8398f0 | 2944 | if (!prefixcmp(option, "max-pack-size=")) { |
4d0cc224 JH |
2945 | unsigned long v; |
2946 | if (!git_parse_ulong(option + 14, &v)) | |
2947 | return 0; | |
2948 | if (v < 8192) { | |
2949 | warning("max-pack-size is now in bytes, assuming --max-pack-size=%lum", v); | |
2950 | v *= 1024 * 1024; | |
2951 | } else if (v < 1024 * 1024) { | |
2952 | warning("minimum max-pack-size is 1 MiB"); | |
2953 | v = 1024 * 1024; | |
2954 | } | |
2955 | max_packsize = v; | |
844ad3d9 | 2956 | } else if (!prefixcmp(option, "big-file-threshold=")) { |
76ea93cc JH |
2957 | unsigned long v; |
2958 | if (!git_parse_ulong(option + 19, &v)) | |
2959 | return 0; | |
2960 | big_file_threshold = v; | |
0f6927c2 SR |
2961 | } else if (!prefixcmp(option, "depth=")) { |
2962 | option_depth(option + 6); | |
2963 | } else if (!prefixcmp(option, "active-branches=")) { | |
2964 | option_active_branches(option + 16); | |
0f6927c2 SR |
2965 | } else if (!prefixcmp(option, "export-pack-edges=")) { |
2966 | option_export_pack_edges(option + 18); | |
0f6927c2 SR |
2967 | } else if (!prefixcmp(option, "quiet")) { |
2968 | show_stats = 0; | |
2969 | } else if (!prefixcmp(option, "stats")) { | |
2970 | show_stats = 1; | |
2971 | } else { | |
9c8398f0 | 2972 | return 0; |
0f6927c2 | 2973 | } |
9c8398f0 SR |
2974 | |
2975 | return 1; | |
0f6927c2 SR |
2976 | } |
2977 | ||
081751c8 | 2978 | static int parse_one_feature(const char *feature, int from_stream) |
f963bd5d SR |
2979 | { |
2980 | if (!prefixcmp(feature, "date-format=")) { | |
2981 | option_date_format(feature + 12); | |
2982 | } else if (!prefixcmp(feature, "import-marks=")) { | |
081751c8 | 2983 | option_import_marks(feature + 13, from_stream); |
f963bd5d SR |
2984 | } else if (!prefixcmp(feature, "export-marks=")) { |
2985 | option_export_marks(feature + 13); | |
85c62395 DB |
2986 | } else if (!strcmp(feature, "cat-blob")) { |
2987 | ; /* Don't die - this feature is supported */ | |
bc3c79ae SR |
2988 | } else if (!prefixcmp(feature, "relative-marks")) { |
2989 | relative_marks_paths = 1; | |
2990 | } else if (!prefixcmp(feature, "no-relative-marks")) { | |
2991 | relative_marks_paths = 0; | |
f963bd5d SR |
2992 | } else if (!prefixcmp(feature, "force")) { |
2993 | force_update = 1; | |
547e8b92 JN |
2994 | } else if (!strcmp(feature, "notes")) { |
2995 | ; /* do nothing; we have the feature */ | |
f963bd5d SR |
2996 | } else { |
2997 | return 0; | |
2998 | } | |
2999 | ||
3000 | return 1; | |
3001 | } | |
3002 | ||
3003 | static void parse_feature(void) | |
3004 | { | |
3005 | char *feature = command_buf.buf + 8; | |
3006 | ||
3007 | if (seen_data_command) | |
3008 | die("Got feature command '%s' after data command", feature); | |
3009 | ||
081751c8 | 3010 | if (parse_one_feature(feature, 1)) |
f963bd5d SR |
3011 | return; |
3012 | ||
3013 | die("This version of fast-import does not support feature %s.", feature); | |
3014 | } | |
3015 | ||
9c8398f0 SR |
3016 | static void parse_option(void) |
3017 | { | |
3018 | char *option = command_buf.buf + 11; | |
3019 | ||
3020 | if (seen_data_command) | |
3021 | die("Got option command '%s' after data command", option); | |
3022 | ||
3023 | if (parse_one_option(option)) | |
3024 | return; | |
3025 | ||
3026 | die("This version of fast-import does not support option: %s", option); | |
e8438420 SP |
3027 | } |
3028 | ||
ef90d6d4 | 3029 | static int git_pack_config(const char *k, const char *v, void *cb) |
bb23fdfa SP |
3030 | { |
3031 | if (!strcmp(k, "pack.depth")) { | |
3032 | max_depth = git_config_int(k, v); | |
3033 | if (max_depth > MAX_DEPTH) | |
3034 | max_depth = MAX_DEPTH; | |
3035 | return 0; | |
3036 | } | |
3037 | if (!strcmp(k, "pack.compression")) { | |
3038 | int level = git_config_int(k, v); | |
3039 | if (level == -1) | |
3040 | level = Z_DEFAULT_COMPRESSION; | |
3041 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
3042 | die("bad pack compression level %d", level); | |
3043 | pack_compression_level = level; | |
3044 | pack_compression_seen = 1; | |
3045 | return 0; | |
3046 | } | |
8c2ca8dd NP |
3047 | if (!strcmp(k, "pack.indexversion")) { |
3048 | pack_idx_default_version = git_config_int(k, v); | |
3049 | if (pack_idx_default_version > 2) | |
3050 | die("bad pack.indexversion=%"PRIu32, | |
3051 | pack_idx_default_version); | |
3052 | return 0; | |
3053 | } | |
3054 | if (!strcmp(k, "pack.packsizelimit")) { | |
3055 | max_packsize = git_config_ulong(k, v); | |
3056 | return 0; | |
3057 | } | |
5eef828b SP |
3058 | if (!strcmp(k, "core.bigfilethreshold")) { |
3059 | long n = git_config_int(k, v); | |
3060 | big_file_threshold = 0 < n ? n : 0; | |
3061 | } | |
ef90d6d4 | 3062 | return git_default_config(k, v, cb); |
bb23fdfa SP |
3063 | } |
3064 | ||
d5c57b28 | 3065 | static const char fast_import_usage[] = |
62b4698e | 3066 | "git fast-import [--date-format=<f>] [--max-pack-size=<n>] [--big-file-threshold=<n>] [--depth=<n>] [--active-branches=<n>] [--export-marks=<marks.file>]"; |
d5c57b28 | 3067 | |
9c8398f0 SR |
3068 | static void parse_argv(void) |
3069 | { | |
3070 | unsigned int i; | |
3071 | ||
3072 | for (i = 1; i < global_argc; i++) { | |
3073 | const char *a = global_argv[i]; | |
3074 | ||
3075 | if (*a != '-' || !strcmp(a, "--")) | |
3076 | break; | |
3077 | ||
3078 | if (parse_one_option(a + 2)) | |
3079 | continue; | |
3080 | ||
081751c8 | 3081 | if (parse_one_feature(a + 2, 0)) |
9c8398f0 SR |
3082 | continue; |
3083 | ||
85c62395 DB |
3084 | if (!prefixcmp(a + 2, "cat-blob-fd=")) { |
3085 | option_cat_blob_fd(a + 2 + strlen("cat-blob-fd=")); | |
3086 | continue; | |
3087 | } | |
3088 | ||
9c8398f0 SR |
3089 | die("unknown option %s", a); |
3090 | } | |
3091 | if (i != global_argc) | |
3092 | usage(fast_import_usage); | |
3093 | ||
3094 | seen_data_command = 1; | |
3095 | if (import_marks_file) | |
3096 | read_marks(); | |
3097 | } | |
3098 | ||
8bcce301 SP |
3099 | int main(int argc, const char **argv) |
3100 | { | |
0f6927c2 | 3101 | unsigned int i; |
8bcce301 | 3102 | |
2fb3f6db SP |
3103 | git_extract_argv0_path(argv[0]); |
3104 | ||
71a04a8b JN |
3105 | if (argc == 2 && !strcmp(argv[1], "-h")) |
3106 | usage(fast_import_usage); | |
3107 | ||
733ee2b7 | 3108 | setup_git_directory(); |
ef90d6d4 | 3109 | git_config(git_pack_config, NULL); |
bb23fdfa SP |
3110 | if (!pack_compression_seen && core_compression_seen) |
3111 | pack_compression_level = core_compression_level; | |
3112 | ||
93e72d8d | 3113 | alloc_objects(object_entry_alloc); |
f1696ee3 | 3114 | strbuf_init(&command_buf, 0); |
93e72d8d SP |
3115 | atom_table = xcalloc(atom_table_sz, sizeof(struct atom_str*)); |
3116 | branch_table = xcalloc(branch_table_sz, sizeof(struct branch*)); | |
3117 | avail_tree_table = xcalloc(avail_tree_table_sz, sizeof(struct avail_tree_content*)); | |
3118 | marks = pool_calloc(1, sizeof(struct mark_set)); | |
463acbe1 | 3119 | |
9c8398f0 SR |
3120 | global_argc = argc; |
3121 | global_argv = argv; | |
d5c57b28 | 3122 | |
904b1941 SP |
3123 | rc_free = pool_alloc(cmd_save * sizeof(*rc_free)); |
3124 | for (i = 0; i < (cmd_save - 1); i++) | |
3125 | rc_free[i].next = &rc_free[i + 1]; | |
3126 | rc_free[cmd_save - 1].next = NULL; | |
3127 | ||
a5c1780a | 3128 | prepare_packed_git(); |
f70b6534 | 3129 | start_packfile(); |
8acb3297 | 3130 | set_die_routine(die_nicely); |
dc01f59d | 3131 | set_checkpoint_signal(); |
e6c019d0 PH |
3132 | while (read_next_command() != EOF) { |
3133 | if (!strcmp("blob", command_buf.buf)) | |
b3031781 | 3134 | parse_new_blob(); |
599065a3 | 3135 | else if (!prefixcmp(command_buf.buf, "commit ")) |
b3031781 | 3136 | parse_new_commit(); |
599065a3 | 3137 | else if (!prefixcmp(command_buf.buf, "tag ")) |
b3031781 | 3138 | parse_new_tag(); |
599065a3 | 3139 | else if (!prefixcmp(command_buf.buf, "reset ")) |
b3031781 | 3140 | parse_reset_branch(); |
7bfe6e26 | 3141 | else if (!strcmp("checkpoint", command_buf.buf)) |
b3031781 | 3142 | parse_checkpoint(); |
ac053c02 | 3143 | else if (!prefixcmp(command_buf.buf, "progress ")) |
b3031781 | 3144 | parse_progress(); |
f963bd5d SR |
3145 | else if (!prefixcmp(command_buf.buf, "feature ")) |
3146 | parse_feature(); | |
9c8398f0 SR |
3147 | else if (!prefixcmp(command_buf.buf, "option git ")) |
3148 | parse_option(); | |
3149 | else if (!prefixcmp(command_buf.buf, "option ")) | |
3150 | /* ignore non-git options*/; | |
c44cdc7e SP |
3151 | else |
3152 | die("Unsupported command: %s", command_buf.buf); | |
dc01f59d JN |
3153 | |
3154 | if (checkpoint_requested) | |
3155 | checkpoint(); | |
db5e523f | 3156 | } |
9c8398f0 SR |
3157 | |
3158 | /* argv hasn't been parsed yet, do so */ | |
3159 | if (!seen_data_command) | |
3160 | parse_argv(); | |
3161 | ||
f70b6534 | 3162 | end_packfile(); |
c44cdc7e | 3163 | |
463acbe1 | 3164 | dump_branches(); |
72303d44 | 3165 | dump_tags(); |
8455e484 | 3166 | unkeep_all_packs(); |
a6a1a831 | 3167 | dump_marks(); |
8bcce301 | 3168 | |
bdf1c06d SP |
3169 | if (pack_edges) |
3170 | fclose(pack_edges); | |
3171 | ||
c499d768 SP |
3172 | if (show_stats) { |
3173 | uintmax_t total_count = 0, duplicate_count = 0; | |
3174 | for (i = 0; i < ARRAY_SIZE(object_count_by_type); i++) | |
3175 | total_count += object_count_by_type[i]; | |
3176 | for (i = 0; i < ARRAY_SIZE(duplicate_count_by_type); i++) | |
3177 | duplicate_count += duplicate_count_by_type[i]; | |
3178 | ||
3179 | fprintf(stderr, "%s statistics:\n", argv[0]); | |
3180 | fprintf(stderr, "---------------------------------------------------------------------\n"); | |
3efb1f34 JR |
3181 | fprintf(stderr, "Alloc'd objects: %10" PRIuMAX "\n", alloc_count); |
3182 | fprintf(stderr, "Total objects: %10" PRIuMAX " (%10" PRIuMAX " duplicates )\n", total_count, duplicate_count); | |
3183 | fprintf(stderr, " blobs : %10" PRIuMAX " (%10" PRIuMAX " duplicates %10" PRIuMAX " deltas)\n", object_count_by_type[OBJ_BLOB], duplicate_count_by_type[OBJ_BLOB], delta_count_by_type[OBJ_BLOB]); | |
3184 | fprintf(stderr, " trees : %10" PRIuMAX " (%10" PRIuMAX " duplicates %10" PRIuMAX " deltas)\n", object_count_by_type[OBJ_TREE], duplicate_count_by_type[OBJ_TREE], delta_count_by_type[OBJ_TREE]); | |
3185 | fprintf(stderr, " commits: %10" PRIuMAX " (%10" PRIuMAX " duplicates %10" PRIuMAX " deltas)\n", object_count_by_type[OBJ_COMMIT], duplicate_count_by_type[OBJ_COMMIT], delta_count_by_type[OBJ_COMMIT]); | |
3186 | fprintf(stderr, " tags : %10" PRIuMAX " (%10" PRIuMAX " duplicates %10" PRIuMAX " deltas)\n", object_count_by_type[OBJ_TAG], duplicate_count_by_type[OBJ_TAG], delta_count_by_type[OBJ_TAG]); | |
c499d768 | 3187 | fprintf(stderr, "Total branches: %10lu (%10lu loads )\n", branch_count, branch_load_count); |
3efb1f34 | 3188 | fprintf(stderr, " marks: %10" PRIuMAX " (%10" PRIuMAX " unique )\n", (((uintmax_t)1) << marks->shift) * 1024, marks_set_count); |
c499d768 | 3189 | fprintf(stderr, " atoms: %10u\n", atom_cnt); |
3efb1f34 | 3190 | fprintf(stderr, "Memory total: %10" PRIuMAX " KiB\n", (total_allocd + alloc_count*sizeof(struct object_entry))/1024); |
40db58b8 | 3191 | fprintf(stderr, " pools: %10lu KiB\n", (unsigned long)(total_allocd/1024)); |
3efb1f34 | 3192 | fprintf(stderr, " objects: %10" PRIuMAX " KiB\n", (alloc_count*sizeof(struct object_entry))/1024); |
c499d768 SP |
3193 | fprintf(stderr, "---------------------------------------------------------------------\n"); |
3194 | pack_report(); | |
3195 | fprintf(stderr, "---------------------------------------------------------------------\n"); | |
3196 | fprintf(stderr, "\n"); | |
3197 | } | |
db5e523f | 3198 | |
7073e69e | 3199 | return failure ? 1 : 0; |
db5e523f | 3200 | } |