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Commit | Line | Data |
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a1bbc6c0 SB |
1 | #include "builtin.h" |
2 | #include "cache.h" | |
b2141fc1 | 3 | #include "config.h" |
a1bbc6c0 SB |
4 | #include "dir.h" |
5 | #include "parse-options.h" | |
6 | #include "run-command.h" | |
7 | #include "sigchain.h" | |
8 | #include "strbuf.h" | |
9 | #include "string-list.h" | |
10 | #include "argv-array.h" | |
525e18c0 | 11 | #include "midx.h" |
5d19e813 | 12 | #include "packfile.h" |
36f0f344 | 13 | #include "object-store.h" |
b14ed5ad | 14 | #include "promisor-remote.h" |
a1bbc6c0 SB |
15 | |
16 | static int delta_base_offset = 1; | |
ee34a2be | 17 | static int pack_kept_objects = -1; |
36eba032 | 18 | static int write_bitmaps = -1; |
16d75fa4 | 19 | static int use_delta_islands; |
a1bbc6c0 SB |
20 | static char *packdir, *packtmp; |
21 | ||
22 | static const char *const git_repack_usage[] = { | |
9c9b4f2f | 23 | N_("git repack [<options>]"), |
a1bbc6c0 SB |
24 | NULL |
25 | }; | |
26 | ||
1c409a70 DT |
27 | static const char incremental_bitmap_conflict_error[] = N_( |
28 | "Incremental repacks are incompatible with bitmap indexes. Use\n" | |
29 | "--no-write-bitmap-index or disable the pack.writebitmaps configuration." | |
30 | ); | |
31 | ||
32 | ||
a1bbc6c0 SB |
33 | static int repack_config(const char *var, const char *value, void *cb) |
34 | { | |
35 | if (!strcmp(var, "repack.usedeltabaseoffset")) { | |
36 | delta_base_offset = git_config_bool(var, value); | |
37 | return 0; | |
38 | } | |
ee34a2be JK |
39 | if (!strcmp(var, "repack.packkeptobjects")) { |
40 | pack_kept_objects = git_config_bool(var, value); | |
41 | return 0; | |
42 | } | |
71d76cb4 JK |
43 | if (!strcmp(var, "repack.writebitmaps") || |
44 | !strcmp(var, "pack.writebitmaps")) { | |
d078d85b | 45 | write_bitmaps = git_config_bool(var, value); |
3198b89f JK |
46 | return 0; |
47 | } | |
16d75fa4 JK |
48 | if (!strcmp(var, "repack.usedeltaislands")) { |
49 | use_delta_islands = git_config_bool(var, value); | |
50 | return 0; | |
51 | } | |
a1bbc6c0 SB |
52 | return git_default_config(var, value, cb); |
53 | } | |
54 | ||
55 | /* | |
56 | * Remove temporary $GIT_OBJECT_DIRECTORY/pack/.tmp-$$-pack-* files. | |
57 | */ | |
58 | static void remove_temporary_files(void) | |
59 | { | |
60 | struct strbuf buf = STRBUF_INIT; | |
61 | size_t dirlen, prefixlen; | |
62 | DIR *dir; | |
63 | struct dirent *e; | |
64 | ||
65 | dir = opendir(packdir); | |
66 | if (!dir) | |
67 | return; | |
68 | ||
69 | /* Point at the slash at the end of ".../objects/pack/" */ | |
70 | dirlen = strlen(packdir) + 1; | |
71 | strbuf_addstr(&buf, packtmp); | |
72 | /* Hold the length of ".tmp-%d-pack-" */ | |
73 | prefixlen = buf.len - dirlen; | |
74 | ||
75 | while ((e = readdir(dir))) { | |
76 | if (strncmp(e->d_name, buf.buf + dirlen, prefixlen)) | |
77 | continue; | |
78 | strbuf_setlen(&buf, dirlen); | |
79 | strbuf_addstr(&buf, e->d_name); | |
80 | unlink(buf.buf); | |
81 | } | |
82 | closedir(dir); | |
83 | strbuf_release(&buf); | |
84 | } | |
85 | ||
86 | static void remove_pack_on_signal(int signo) | |
87 | { | |
88 | remove_temporary_files(); | |
89 | sigchain_pop(signo); | |
90 | raise(signo); | |
91 | } | |
92 | ||
93 | /* | |
94 | * Adds all packs hex strings to the fname list, which do not | |
5d19e813 | 95 | * have a corresponding .keep file. These packs are not to |
0c16cd49 | 96 | * be kept if we are going to pack everything into one file. |
a1bbc6c0 | 97 | */ |
ed7e5fc3 NTND |
98 | static void get_non_kept_pack_filenames(struct string_list *fname_list, |
99 | const struct string_list *extra_keep) | |
a1bbc6c0 SB |
100 | { |
101 | DIR *dir; | |
102 | struct dirent *e; | |
103 | char *fname; | |
a1bbc6c0 SB |
104 | |
105 | if (!(dir = opendir(packdir))) | |
106 | return; | |
107 | ||
108 | while ((e = readdir(dir)) != NULL) { | |
26936bfd | 109 | size_t len; |
ed7e5fc3 NTND |
110 | int i; |
111 | ||
112 | for (i = 0; i < extra_keep->nr; i++) | |
113 | if (!fspathcmp(e->d_name, extra_keep->items[i].string)) | |
114 | break; | |
115 | if (extra_keep->nr > 0 && i < extra_keep->nr) | |
116 | continue; | |
117 | ||
26936bfd | 118 | if (!strip_suffix(e->d_name, ".pack", &len)) |
a1bbc6c0 SB |
119 | continue; |
120 | ||
a1bbc6c0 SB |
121 | fname = xmemdupz(e->d_name, len); |
122 | ||
5d19e813 | 123 | if (!file_exists(mkpath("%s/%s.keep", packdir, fname))) |
a1bbc6c0 SB |
124 | string_list_append_nodup(fname_list, fname); |
125 | else | |
126 | free(fname); | |
127 | } | |
128 | closedir(dir); | |
129 | } | |
130 | ||
131 | static void remove_redundant_pack(const char *dir_name, const char *base_name) | |
132 | { | |
a1bbc6c0 | 133 | struct strbuf buf = STRBUF_INIT; |
8434e85d DS |
134 | strbuf_addf(&buf, "%s/%s.pack", dir_name, base_name); |
135 | unlink_pack_path(buf.buf, 1); | |
a1bbc6c0 SB |
136 | strbuf_release(&buf); |
137 | } | |
138 | ||
2b958e79 JT |
139 | struct pack_objects_args { |
140 | const char *window; | |
141 | const char *window_memory; | |
142 | const char *depth; | |
143 | const char *threads; | |
144 | const char *max_pack_size; | |
145 | int no_reuse_delta; | |
146 | int no_reuse_object; | |
147 | int quiet; | |
148 | int local; | |
149 | }; | |
150 | ||
151 | static void prepare_pack_objects(struct child_process *cmd, | |
152 | const struct pack_objects_args *args) | |
153 | { | |
154 | argv_array_push(&cmd->args, "pack-objects"); | |
155 | if (args->window) | |
156 | argv_array_pushf(&cmd->args, "--window=%s", args->window); | |
157 | if (args->window_memory) | |
158 | argv_array_pushf(&cmd->args, "--window-memory=%s", args->window_memory); | |
159 | if (args->depth) | |
160 | argv_array_pushf(&cmd->args, "--depth=%s", args->depth); | |
161 | if (args->threads) | |
162 | argv_array_pushf(&cmd->args, "--threads=%s", args->threads); | |
163 | if (args->max_pack_size) | |
164 | argv_array_pushf(&cmd->args, "--max-pack-size=%s", args->max_pack_size); | |
165 | if (args->no_reuse_delta) | |
166 | argv_array_pushf(&cmd->args, "--no-reuse-delta"); | |
167 | if (args->no_reuse_object) | |
168 | argv_array_pushf(&cmd->args, "--no-reuse-object"); | |
169 | if (args->local) | |
170 | argv_array_push(&cmd->args, "--local"); | |
171 | if (args->quiet) | |
172 | argv_array_push(&cmd->args, "--quiet"); | |
173 | if (delta_base_offset) | |
174 | argv_array_push(&cmd->args, "--delta-base-offset"); | |
175 | argv_array_push(&cmd->args, packtmp); | |
176 | cmd->git_cmd = 1; | |
177 | cmd->out = -1; | |
178 | } | |
179 | ||
5d19e813 JT |
180 | /* |
181 | * Write oid to the given struct child_process's stdin, starting it first if | |
182 | * necessary. | |
183 | */ | |
184 | static int write_oid(const struct object_id *oid, struct packed_git *pack, | |
185 | uint32_t pos, void *data) | |
186 | { | |
187 | struct child_process *cmd = data; | |
188 | ||
189 | if (cmd->in == -1) { | |
190 | if (start_command(cmd)) | |
c83d950e | 191 | die(_("could not start pack-objects to repack promisor objects")); |
5d19e813 JT |
192 | } |
193 | ||
dd336a55 | 194 | xwrite(cmd->in, oid_to_hex(oid), the_hash_algo->hexsz); |
5d19e813 JT |
195 | xwrite(cmd->in, "\n", 1); |
196 | return 0; | |
197 | } | |
198 | ||
199 | static void repack_promisor_objects(const struct pack_objects_args *args, | |
200 | struct string_list *names) | |
201 | { | |
202 | struct child_process cmd = CHILD_PROCESS_INIT; | |
203 | FILE *out; | |
204 | struct strbuf line = STRBUF_INIT; | |
205 | ||
206 | prepare_pack_objects(&cmd, args); | |
207 | cmd.in = -1; | |
208 | ||
209 | /* | |
210 | * NEEDSWORK: Giving pack-objects only the OIDs without any ordering | |
211 | * hints may result in suboptimal deltas in the resulting pack. See if | |
212 | * the OIDs can be sent with fake paths such that pack-objects can use a | |
213 | * {type -> existing pack order} ordering when computing deltas instead | |
214 | * of a {type -> size} ordering, which may produce better deltas. | |
215 | */ | |
216 | for_each_packed_object(write_oid, &cmd, | |
217 | FOR_EACH_OBJECT_PROMISOR_ONLY); | |
218 | ||
219 | if (cmd.in == -1) | |
220 | /* No packed objects; cmd was never started */ | |
221 | return; | |
222 | ||
223 | close(cmd.in); | |
224 | ||
225 | out = xfdopen(cmd.out, "r"); | |
226 | while (strbuf_getline_lf(&line, out) != EOF) { | |
227 | char *promisor_name; | |
228 | int fd; | |
2f0c9e9a | 229 | if (line.len != the_hash_algo->hexsz) |
3813a89f | 230 | die(_("repack: Expecting full hex object ID lines only from pack-objects.")); |
5d19e813 JT |
231 | string_list_append(names, line.buf); |
232 | ||
233 | /* | |
234 | * pack-objects creates the .pack and .idx files, but not the | |
235 | * .promisor file. Create the .promisor file, which is empty. | |
236 | */ | |
237 | promisor_name = mkpathdup("%s-%s.promisor", packtmp, | |
238 | line.buf); | |
239 | fd = open(promisor_name, O_CREAT|O_EXCL|O_WRONLY, 0600); | |
240 | if (fd < 0) | |
c83d950e | 241 | die_errno(_("unable to create '%s'"), promisor_name); |
5d19e813 JT |
242 | close(fd); |
243 | free(promisor_name); | |
244 | } | |
245 | fclose(out); | |
246 | if (finish_command(&cmd)) | |
c83d950e | 247 | die(_("could not finish pack-objects to repack promisor objects")); |
5d19e813 JT |
248 | } |
249 | ||
a1bbc6c0 SB |
250 | #define ALL_INTO_ONE 1 |
251 | #define LOOSEN_UNREACHABLE 2 | |
252 | ||
253 | int cmd_repack(int argc, const char **argv, const char *prefix) | |
254 | { | |
42a02d85 JK |
255 | struct { |
256 | const char *name; | |
b77fcd1e | 257 | unsigned optional:1; |
42a02d85 JK |
258 | } exts[] = { |
259 | {".pack"}, | |
260 | {".idx"}, | |
5cf2741c | 261 | {".bitmap", 1}, |
5d19e813 | 262 | {".promisor", 1}, |
42a02d85 | 263 | }; |
d3180279 | 264 | struct child_process cmd = CHILD_PROCESS_INIT; |
a1bbc6c0 | 265 | struct string_list_item *item; |
a1bbc6c0 SB |
266 | struct string_list names = STRING_LIST_INIT_DUP; |
267 | struct string_list rollback = STRING_LIST_INIT_NODUP; | |
268 | struct string_list existing_packs = STRING_LIST_INIT_DUP; | |
269 | struct strbuf line = STRBUF_INIT; | |
ed7e5fc3 | 270 | int i, ext, ret, failed; |
a1bbc6c0 SB |
271 | FILE *out; |
272 | ||
273 | /* variables to be filled by option parsing */ | |
274 | int pack_everything = 0; | |
275 | int delete_redundant = 0; | |
aa8bd519 | 276 | const char *unpack_unreachable = NULL; |
905f27b8 | 277 | int keep_unreachable = 0; |
ed7e5fc3 | 278 | struct string_list keep_pack_list = STRING_LIST_INIT_NODUP; |
a1bbc6c0 | 279 | int no_update_server_info = 0; |
525e18c0 | 280 | int midx_cleared = 0; |
2b958e79 | 281 | struct pack_objects_args po_args = {NULL}; |
a1bbc6c0 SB |
282 | |
283 | struct option builtin_repack_options[] = { | |
284 | OPT_BIT('a', NULL, &pack_everything, | |
285 | N_("pack everything in a single pack"), ALL_INTO_ONE), | |
286 | OPT_BIT('A', NULL, &pack_everything, | |
287 | N_("same as -a, and turn unreachable objects loose"), | |
288 | LOOSEN_UNREACHABLE | ALL_INTO_ONE), | |
289 | OPT_BOOL('d', NULL, &delete_redundant, | |
290 | N_("remove redundant packs, and run git-prune-packed")), | |
2b958e79 | 291 | OPT_BOOL('f', NULL, &po_args.no_reuse_delta, |
a1bbc6c0 | 292 | N_("pass --no-reuse-delta to git-pack-objects")), |
2b958e79 | 293 | OPT_BOOL('F', NULL, &po_args.no_reuse_object, |
a1bbc6c0 SB |
294 | N_("pass --no-reuse-object to git-pack-objects")), |
295 | OPT_BOOL('n', NULL, &no_update_server_info, | |
296 | N_("do not run git-update-server-info")), | |
2b958e79 JT |
297 | OPT__QUIET(&po_args.quiet, N_("be quiet")), |
298 | OPT_BOOL('l', "local", &po_args.local, | |
a1bbc6c0 | 299 | N_("pass --local to git-pack-objects")), |
d078d85b | 300 | OPT_BOOL('b', "write-bitmap-index", &write_bitmaps, |
5cf2741c | 301 | N_("write bitmap index")), |
16d75fa4 JK |
302 | OPT_BOOL('i', "delta-islands", &use_delta_islands, |
303 | N_("pass --delta-islands to git-pack-objects")), | |
a1bbc6c0 SB |
304 | OPT_STRING(0, "unpack-unreachable", &unpack_unreachable, N_("approxidate"), |
305 | N_("with -A, do not loosen objects older than this")), | |
905f27b8 JK |
306 | OPT_BOOL('k', "keep-unreachable", &keep_unreachable, |
307 | N_("with -a, repack unreachable objects")), | |
2b958e79 | 308 | OPT_STRING(0, "window", &po_args.window, N_("n"), |
a1bbc6c0 | 309 | N_("size of the window used for delta compression")), |
2b958e79 | 310 | OPT_STRING(0, "window-memory", &po_args.window_memory, N_("bytes"), |
a1bbc6c0 | 311 | N_("same as the above, but limit memory size instead of entries count")), |
2b958e79 | 312 | OPT_STRING(0, "depth", &po_args.depth, N_("n"), |
a1bbc6c0 | 313 | N_("limits the maximum delta depth")), |
2b958e79 | 314 | OPT_STRING(0, "threads", &po_args.threads, N_("n"), |
40bcf318 | 315 | N_("limits the maximum number of threads")), |
2b958e79 | 316 | OPT_STRING(0, "max-pack-size", &po_args.max_pack_size, N_("bytes"), |
a1bbc6c0 | 317 | N_("maximum size of each packfile")), |
ee34a2be JK |
318 | OPT_BOOL(0, "pack-kept-objects", &pack_kept_objects, |
319 | N_("repack objects in packs marked with .keep")), | |
ed7e5fc3 NTND |
320 | OPT_STRING_LIST(0, "keep-pack", &keep_pack_list, N_("name"), |
321 | N_("do not repack this pack")), | |
a1bbc6c0 SB |
322 | OPT_END() |
323 | }; | |
324 | ||
325 | git_config(repack_config, NULL); | |
326 | ||
327 | argc = parse_options(argc, argv, prefix, builtin_repack_options, | |
328 | git_repack_usage, 0); | |
329 | ||
067fbd41 JK |
330 | if (delete_redundant && repository_format_precious_objects) |
331 | die(_("cannot delete packs in a precious-objects repo")); | |
332 | ||
905f27b8 JK |
333 | if (keep_unreachable && |
334 | (unpack_unreachable || (pack_everything & LOOSEN_UNREACHABLE))) | |
335 | die(_("--keep-unreachable and -A are incompatible")); | |
336 | ||
73284822 | 337 | if (write_bitmaps < 0) { |
25575015 | 338 | if (!(pack_everything & ALL_INTO_ONE) || |
7ff024e7 | 339 | !is_bare_repository()) |
25575015 | 340 | write_bitmaps = 0; |
73284822 | 341 | } |
ee34a2be | 342 | if (pack_kept_objects < 0) |
7ff024e7 | 343 | pack_kept_objects = write_bitmaps > 0; |
ee34a2be | 344 | |
1c409a70 DT |
345 | if (write_bitmaps && !(pack_everything & ALL_INTO_ONE)) |
346 | die(_(incremental_bitmap_conflict_error)); | |
347 | ||
a1bbc6c0 SB |
348 | packdir = mkpathdup("%s/pack", get_object_directory()); |
349 | packtmp = mkpathdup("%s/.tmp-%d-pack", packdir, (int)getpid()); | |
350 | ||
351 | sigchain_push_common(remove_pack_on_signal); | |
352 | ||
2b958e79 JT |
353 | prepare_pack_objects(&cmd, &po_args); |
354 | ||
a2bae2dc | 355 | argv_array_push(&cmd.args, "--keep-true-parents"); |
ee34a2be | 356 | if (!pack_kept_objects) |
a2bae2dc | 357 | argv_array_push(&cmd.args, "--honor-pack-keep"); |
ed7e5fc3 NTND |
358 | for (i = 0; i < keep_pack_list.nr; i++) |
359 | argv_array_pushf(&cmd.args, "--keep-pack=%s", | |
360 | keep_pack_list.items[i].string); | |
a2bae2dc RS |
361 | argv_array_push(&cmd.args, "--non-empty"); |
362 | argv_array_push(&cmd.args, "--all"); | |
363 | argv_array_push(&cmd.args, "--reflog"); | |
364 | argv_array_push(&cmd.args, "--indexed-objects"); | |
b14ed5ad | 365 | if (has_promisor_remote()) |
0c16cd49 | 366 | argv_array_push(&cmd.args, "--exclude-promisor-objects"); |
25575015 | 367 | if (write_bitmaps > 0) |
a2bae2dc | 368 | argv_array_push(&cmd.args, "--write-bitmap-index"); |
25575015 JK |
369 | else if (write_bitmaps < 0) |
370 | argv_array_push(&cmd.args, "--write-bitmap-index-quiet"); | |
16d75fa4 JK |
371 | if (use_delta_islands) |
372 | argv_array_push(&cmd.args, "--delta-islands"); | |
a1bbc6c0 SB |
373 | |
374 | if (pack_everything & ALL_INTO_ONE) { | |
ed7e5fc3 | 375 | get_non_kept_pack_filenames(&existing_packs, &keep_pack_list); |
a1bbc6c0 | 376 | |
5d19e813 JT |
377 | repack_promisor_objects(&po_args, &names); |
378 | ||
a1bbc6c0 | 379 | if (existing_packs.nr && delete_redundant) { |
8d422993 | 380 | if (unpack_unreachable) { |
a2bae2dc | 381 | argv_array_pushf(&cmd.args, |
a1bbc6c0 SB |
382 | "--unpack-unreachable=%s", |
383 | unpack_unreachable); | |
8d422993 JK |
384 | argv_array_push(&cmd.env_array, "GIT_REF_PARANOIA=1"); |
385 | } else if (pack_everything & LOOSEN_UNREACHABLE) { | |
a2bae2dc | 386 | argv_array_push(&cmd.args, |
a1bbc6c0 | 387 | "--unpack-unreachable"); |
905f27b8 JK |
388 | } else if (keep_unreachable) { |
389 | argv_array_push(&cmd.args, "--keep-unreachable"); | |
e26a8c47 | 390 | argv_array_push(&cmd.args, "--pack-loose-unreachable"); |
8d422993 JK |
391 | } else { |
392 | argv_array_push(&cmd.env_array, "GIT_REF_PARANOIA=1"); | |
393 | } | |
a1bbc6c0 SB |
394 | } |
395 | } else { | |
a2bae2dc RS |
396 | argv_array_push(&cmd.args, "--unpacked"); |
397 | argv_array_push(&cmd.args, "--incremental"); | |
a1bbc6c0 SB |
398 | } |
399 | ||
a1bbc6c0 SB |
400 | cmd.no_stdin = 1; |
401 | ||
402 | ret = start_command(&cmd); | |
403 | if (ret) | |
ffc9329f | 404 | return ret; |
a1bbc6c0 | 405 | |
a1bbc6c0 | 406 | out = xfdopen(cmd.out, "r"); |
8f309aeb | 407 | while (strbuf_getline_lf(&line, out) != EOF) { |
2f0c9e9a | 408 | if (line.len != the_hash_algo->hexsz) |
3813a89f | 409 | die(_("repack: Expecting full hex object ID lines only from pack-objects.")); |
a1bbc6c0 | 410 | string_list_append(&names, line.buf); |
a1bbc6c0 SB |
411 | } |
412 | fclose(out); | |
413 | ret = finish_command(&cmd); | |
414 | if (ret) | |
ffc9329f | 415 | return ret; |
a1bbc6c0 | 416 | |
2b958e79 | 417 | if (!names.nr && !po_args.quiet) |
c83d950e | 418 | printf_ln(_("Nothing new to pack.")); |
a1bbc6c0 | 419 | |
2d511cfc | 420 | close_object_store(the_repository->objects); |
5bdece0d | 421 | |
a1bbc6c0 SB |
422 | /* |
423 | * Ok we have prepared all new packfiles. | |
424 | * First see if there are packs of the same name and if so | |
425 | * if we can move them out of the way (this can happen if we | |
426 | * repacked immediately after packing fully. | |
427 | */ | |
428 | failed = 0; | |
429 | for_each_string_list_item(item, &names) { | |
b328c216 | 430 | for (ext = 0; ext < ARRAY_SIZE(exts); ext++) { |
e3cf2303 | 431 | char *fname, *fname_old; |
525e18c0 DS |
432 | |
433 | if (!midx_cleared) { | |
1dcd9f20 | 434 | clear_midx_file(the_repository); |
525e18c0 DS |
435 | midx_cleared = 1; |
436 | } | |
437 | ||
9d7fbfd2 | 438 | fname = mkpathdup("%s/pack-%s%s", packdir, |
42a02d85 | 439 | item->string, exts[ext].name); |
a1bbc6c0 SB |
440 | if (!file_exists(fname)) { |
441 | free(fname); | |
442 | continue; | |
443 | } | |
444 | ||
e3cf2303 | 445 | fname_old = mkpathdup("%s/old-%s%s", packdir, |
42a02d85 | 446 | item->string, exts[ext].name); |
a1bbc6c0 SB |
447 | if (file_exists(fname_old)) |
448 | if (unlink(fname_old)) | |
449 | failed = 1; | |
450 | ||
451 | if (!failed && rename(fname, fname_old)) { | |
452 | free(fname); | |
e3cf2303 | 453 | free(fname_old); |
a1bbc6c0 SB |
454 | failed = 1; |
455 | break; | |
456 | } else { | |
457 | string_list_append(&rollback, fname); | |
e3cf2303 | 458 | free(fname_old); |
a1bbc6c0 SB |
459 | } |
460 | } | |
461 | if (failed) | |
462 | break; | |
463 | } | |
464 | if (failed) { | |
465 | struct string_list rollback_failure = STRING_LIST_INIT_DUP; | |
466 | for_each_string_list_item(item, &rollback) { | |
e3cf2303 | 467 | char *fname, *fname_old; |
a1bbc6c0 | 468 | fname = mkpathdup("%s/%s", packdir, item->string); |
e3cf2303 | 469 | fname_old = mkpathdup("%s/old-%s", packdir, item->string); |
a1bbc6c0 SB |
470 | if (rename(fname_old, fname)) |
471 | string_list_append(&rollback_failure, fname); | |
472 | free(fname); | |
e3cf2303 | 473 | free(fname_old); |
a1bbc6c0 SB |
474 | } |
475 | ||
476 | if (rollback_failure.nr) { | |
477 | int i; | |
478 | fprintf(stderr, | |
c83d950e NTND |
479 | _("WARNING: Some packs in use have been renamed by\n" |
480 | "WARNING: prefixing old- to their name, in order to\n" | |
481 | "WARNING: replace them with the new version of the\n" | |
482 | "WARNING: file. But the operation failed, and the\n" | |
483 | "WARNING: attempt to rename them back to their\n" | |
484 | "WARNING: original names also failed.\n" | |
485 | "WARNING: Please rename them in %s manually:\n"), packdir); | |
a1bbc6c0 SB |
486 | for (i = 0; i < rollback_failure.nr; i++) |
487 | fprintf(stderr, "WARNING: old-%s -> %s\n", | |
488 | rollback_failure.items[i].string, | |
489 | rollback_failure.items[i].string); | |
490 | } | |
491 | exit(1); | |
492 | } | |
493 | ||
494 | /* Now the ones with the same name are out of the way... */ | |
495 | for_each_string_list_item(item, &names) { | |
b328c216 | 496 | for (ext = 0; ext < ARRAY_SIZE(exts); ext++) { |
a1bbc6c0 SB |
497 | char *fname, *fname_old; |
498 | struct stat statbuffer; | |
b77fcd1e | 499 | int exists = 0; |
a1bbc6c0 | 500 | fname = mkpathdup("%s/pack-%s%s", |
42a02d85 | 501 | packdir, item->string, exts[ext].name); |
a1bbc6c0 | 502 | fname_old = mkpathdup("%s-%s%s", |
42a02d85 | 503 | packtmp, item->string, exts[ext].name); |
a1bbc6c0 SB |
504 | if (!stat(fname_old, &statbuffer)) { |
505 | statbuffer.st_mode &= ~(S_IWUSR | S_IWGRP | S_IWOTH); | |
506 | chmod(fname_old, statbuffer.st_mode); | |
b77fcd1e JK |
507 | exists = 1; |
508 | } | |
509 | if (exists || !exts[ext].optional) { | |
510 | if (rename(fname_old, fname)) | |
511 | die_errno(_("renaming '%s' failed"), fname_old); | |
a1bbc6c0 | 512 | } |
a1bbc6c0 SB |
513 | free(fname); |
514 | free(fname_old); | |
515 | } | |
516 | } | |
517 | ||
518 | /* Remove the "old-" files */ | |
519 | for_each_string_list_item(item, &names) { | |
b328c216 | 520 | for (ext = 0; ext < ARRAY_SIZE(exts); ext++) { |
e3cf2303 JK |
521 | char *fname; |
522 | fname = mkpathdup("%s/old-%s%s", | |
523 | packdir, | |
524 | item->string, | |
525 | exts[ext].name); | |
0b63c6a5 | 526 | if (remove_path(fname)) |
e923a8ab | 527 | warning(_("failed to remove '%s'"), fname); |
e3cf2303 | 528 | free(fname); |
a1bbc6c0 SB |
529 | } |
530 | } | |
531 | ||
532 | /* End of pack replacement. */ | |
533 | ||
5d19e813 JT |
534 | reprepare_packed_git(the_repository); |
535 | ||
a1bbc6c0 | 536 | if (delete_redundant) { |
2f0c9e9a | 537 | const int hexsz = the_hash_algo->hexsz; |
4489a480 | 538 | int opts = 0; |
3383e199 | 539 | string_list_sort(&names); |
a1bbc6c0 SB |
540 | for_each_string_list_item(item, &existing_packs) { |
541 | char *sha1; | |
542 | size_t len = strlen(item->string); | |
2f0c9e9a | 543 | if (len < hexsz) |
a1bbc6c0 | 544 | continue; |
2f0c9e9a | 545 | sha1 = item->string + len - hexsz; |
a1bbc6c0 SB |
546 | if (!string_list_has_string(&names, sha1)) |
547 | remove_redundant_pack(packdir, item->string); | |
548 | } | |
2b958e79 | 549 | if (!po_args.quiet && isatty(2)) |
4489a480 RS |
550 | opts |= PRUNE_PACKED_VERBOSE; |
551 | prune_packed_objects(opts); | |
5dcfbf56 JS |
552 | |
553 | if (!keep_unreachable && | |
554 | (!(pack_everything & LOOSEN_UNREACHABLE) || | |
555 | unpack_unreachable) && | |
556 | is_repository_shallow(the_repository)) | |
557 | prune_shallow(PRUNE_QUICK); | |
a1bbc6c0 SB |
558 | } |
559 | ||
4489a480 RS |
560 | if (!no_update_server_info) |
561 | update_server_info(0); | |
a1bbc6c0 | 562 | remove_temporary_files(); |
0465a505 DS |
563 | |
564 | if (git_env_bool(GIT_TEST_MULTI_PACK_INDEX, 0)) | |
565 | write_midx_file(get_object_directory()); | |
566 | ||
a1bbc6c0 SB |
567 | string_list_clear(&names, 0); |
568 | string_list_clear(&rollback, 0); | |
569 | string_list_clear(&existing_packs, 0); | |
570 | strbuf_release(&line); | |
571 | ||
572 | return 0; | |
573 | } |