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Commit | Line | Data |
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18125644 | 1 | #include "cache.h" |
fb58c8d5 | 2 | #include "refs.h" |
18125644 | 3 | #include "commit.h" |
c0885435 | 4 | #include "tree-walk.h" |
18125644 | 5 | #include "attr.h" |
562e25ab | 6 | #include "archive.h" |
4fac1d3a | 7 | #include "parse-options.h" |
ba053ea9 | 8 | #include "unpack-trees.h" |
ed22b417 | 9 | #include "dir.h" |
4fac1d3a RS |
10 | |
11 | static char const * const archive_usage[] = { | |
9c9b4f2f | 12 | N_("git archive [<options>] <tree-ish> [<path>...]"), |
0012a387 | 13 | N_("git archive --list"), |
9c9b4f2f | 14 | N_("git archive --remote <repo> [--exec <cmd>] [<options>] <tree-ish> [<path>...]"), |
0012a387 | 15 | N_("git archive --remote <repo> [--exec <cmd>] --list"), |
4fac1d3a RS |
16 | NULL |
17 | }; | |
c0885435 | 18 | |
13e0f88d JK |
19 | static const struct archiver **archivers; |
20 | static int nr_archivers; | |
21 | static int alloc_archivers; | |
7671b632 | 22 | static int remote_allow_unreachable; |
13e0f88d JK |
23 | |
24 | void register_archiver(struct archiver *ar) | |
25 | { | |
26 | ALLOC_GROW(archivers, nr_archivers + 1, alloc_archivers); | |
27 | archivers[nr_archivers++] = ar; | |
28 | } | |
c0885435 | 29 | |
18125644 LH |
30 | static void format_subst(const struct commit *commit, |
31 | const char *src, size_t len, | |
32 | struct strbuf *buf) | |
33 | { | |
34 | char *to_free = NULL; | |
f285a2d7 | 35 | struct strbuf fmt = STRBUF_INIT; |
dd2e794a | 36 | struct pretty_print_context ctx = {0}; |
a5481a6c | 37 | ctx.date_mode.type = DATE_NORMAL; |
35039ced | 38 | ctx.abbrev = DEFAULT_ABBREV; |
18125644 LH |
39 | |
40 | if (src == buf->buf) | |
41 | to_free = strbuf_detach(buf, NULL); | |
18125644 LH |
42 | for (;;) { |
43 | const char *b, *c; | |
44 | ||
45 | b = memmem(src, len, "$Format:", 8); | |
75b7dfbd | 46 | if (!b) |
18125644 | 47 | break; |
75b7dfbd | 48 | c = memchr(b + 8, '$', (src + len) - b - 8); |
18125644 LH |
49 | if (!c) |
50 | break; | |
51 | ||
52 | strbuf_reset(&fmt); | |
53 | strbuf_add(&fmt, b + 8, c - b - 8); | |
54 | ||
55 | strbuf_add(buf, src, b - src); | |
dd2e794a | 56 | format_commit_message(commit, fmt.buf, buf, &ctx); |
18125644 LH |
57 | len -= c + 1 - src; |
58 | src = c + 1; | |
59 | } | |
60 | strbuf_add(buf, src, len); | |
61 | strbuf_release(&fmt); | |
62 | free(to_free); | |
63 | } | |
64 | ||
9cb513b7 NTND |
65 | void *sha1_file_to_archive(const struct archiver_args *args, |
66 | const char *path, const unsigned char *sha1, | |
67 | unsigned int mode, enum object_type *type, | |
68 | unsigned long *sizep) | |
18125644 LH |
69 | { |
70 | void *buffer; | |
9cb513b7 | 71 | const struct commit *commit = args->convert ? args->commit : NULL; |
18125644 | 72 | |
9cb513b7 | 73 | path += args->baselen; |
18125644 LH |
74 | buffer = read_sha1_file(sha1, type, sizep); |
75 | if (buffer && S_ISREG(mode)) { | |
f285a2d7 | 76 | struct strbuf buf = STRBUF_INIT; |
18125644 LH |
77 | size_t size = 0; |
78 | ||
18125644 LH |
79 | strbuf_attach(&buf, buffer, *sizep, *sizep + 1); |
80 | convert_to_working_tree(path, buf.buf, buf.len, &buf); | |
1d11d5bb RS |
81 | if (commit) |
82 | format_subst(commit, buf.buf, buf.len, &buf); | |
18125644 LH |
83 | buffer = strbuf_detach(&buf, &size); |
84 | *sizep = size; | |
85 | } | |
86 | ||
87 | return buffer; | |
88 | } | |
89 | ||
ed22b417 NTND |
90 | struct directory { |
91 | struct directory *up; | |
13609673 | 92 | struct object_id oid; |
ed22b417 NTND |
93 | int baselen, len; |
94 | unsigned mode; | |
95 | int stage; | |
96 | char path[FLEX_ARRAY]; | |
97 | }; | |
98 | ||
562e25ab RS |
99 | struct archiver_context { |
100 | struct archiver_args *args; | |
101 | write_archive_entry_fn_t write_entry; | |
ed22b417 | 102 | struct directory *bottom; |
562e25ab RS |
103 | }; |
104 | ||
105 | static int write_archive_entry(const unsigned char *sha1, const char *base, | |
106 | int baselen, const char *filename, unsigned mode, int stage, | |
107 | void *context) | |
108 | { | |
109 | static struct strbuf path = STRBUF_INIT; | |
2aef63d3 | 110 | static struct attr_check *check; |
562e25ab RS |
111 | struct archiver_context *c = context; |
112 | struct archiver_args *args = c->args; | |
113 | write_archive_entry_fn_t write_entry = c->write_entry; | |
1d11d5bb | 114 | const char *path_without_prefix; |
562e25ab | 115 | int err; |
562e25ab | 116 | |
9cb513b7 | 117 | args->convert = 0; |
562e25ab RS |
118 | strbuf_reset(&path); |
119 | strbuf_grow(&path, PATH_MAX); | |
ebfbdb34 | 120 | strbuf_add(&path, args->base, args->baselen); |
562e25ab RS |
121 | strbuf_add(&path, base, baselen); |
122 | strbuf_addstr(&path, filename); | |
94bc671a JNA |
123 | if (S_ISDIR(mode) || S_ISGITLINK(mode)) |
124 | strbuf_addch(&path, '/'); | |
1d11d5bb | 125 | path_without_prefix = path.buf + args->baselen; |
562e25ab | 126 | |
2aef63d3 JH |
127 | if (!check) |
128 | check = attr_check_initl("export-ignore", "export-subst", NULL); | |
129 | if (!git_check_attr(path_without_prefix, check)) { | |
130 | if (ATTR_TRUE(check->items[0].value)) | |
1d11d5bb | 131 | return 0; |
2aef63d3 | 132 | args->convert = ATTR_TRUE(check->items[1].value); |
1d11d5bb | 133 | } |
562e25ab RS |
134 | |
135 | if (S_ISDIR(mode) || S_ISGITLINK(mode)) { | |
562e25ab RS |
136 | if (args->verbose) |
137 | fprintf(stderr, "%.*s\n", (int)path.len, path.buf); | |
9cb513b7 | 138 | err = write_entry(args, sha1, path.buf, path.len, mode); |
562e25ab RS |
139 | if (err) |
140 | return err; | |
d3bee161 | 141 | return (S_ISDIR(mode) ? READ_TREE_RECURSIVE : 0); |
562e25ab RS |
142 | } |
143 | ||
562e25ab RS |
144 | if (args->verbose) |
145 | fprintf(stderr, "%.*s\n", (int)path.len, path.buf); | |
9cb513b7 | 146 | return write_entry(args, sha1, path.buf, path.len, mode); |
562e25ab RS |
147 | } |
148 | ||
6a0b0b6d NTND |
149 | static int write_archive_entry_buf(const unsigned char *sha1, struct strbuf *base, |
150 | const char *filename, unsigned mode, int stage, | |
151 | void *context) | |
152 | { | |
153 | return write_archive_entry(sha1, base->buf, base->len, | |
154 | filename, mode, stage, context); | |
155 | } | |
156 | ||
ed22b417 | 157 | static void queue_directory(const unsigned char *sha1, |
6a0b0b6d | 158 | struct strbuf *base, const char *filename, |
ed22b417 NTND |
159 | unsigned mode, int stage, struct archiver_context *c) |
160 | { | |
161 | struct directory *d; | |
50a6c8ef JK |
162 | size_t len = st_add4(base->len, 1, strlen(filename), 1); |
163 | d = xmalloc(st_add(sizeof(*d), len)); | |
ed22b417 | 164 | d->up = c->bottom; |
6a0b0b6d | 165 | d->baselen = base->len; |
ed22b417 NTND |
166 | d->mode = mode; |
167 | d->stage = stage; | |
168 | c->bottom = d; | |
c7ab0ba3 | 169 | d->len = xsnprintf(d->path, len, "%.*s%s/", (int)base->len, base->buf, filename); |
13609673 | 170 | hashcpy(d->oid.hash, sha1); |
ed22b417 NTND |
171 | } |
172 | ||
173 | static int write_directory(struct archiver_context *c) | |
174 | { | |
175 | struct directory *d = c->bottom; | |
176 | int ret; | |
177 | ||
178 | if (!d) | |
179 | return 0; | |
180 | c->bottom = d->up; | |
181 | d->path[d->len - 1] = '\0'; /* no trailing slash */ | |
182 | ret = | |
183 | write_directory(c) || | |
13609673 | 184 | write_archive_entry(d->oid.hash, d->path, d->baselen, |
ed22b417 NTND |
185 | d->path + d->baselen, d->mode, |
186 | d->stage, c) != READ_TREE_RECURSIVE; | |
187 | free(d); | |
188 | return ret ? -1 : 0; | |
189 | } | |
190 | ||
191 | static int queue_or_write_archive_entry(const unsigned char *sha1, | |
6a0b0b6d | 192 | struct strbuf *base, const char *filename, |
ed22b417 NTND |
193 | unsigned mode, int stage, void *context) |
194 | { | |
195 | struct archiver_context *c = context; | |
196 | ||
197 | while (c->bottom && | |
6a0b0b6d NTND |
198 | !(base->len >= c->bottom->len && |
199 | !strncmp(base->buf, c->bottom->path, c->bottom->len))) { | |
ed22b417 NTND |
200 | struct directory *next = c->bottom->up; |
201 | free(c->bottom); | |
202 | c->bottom = next; | |
203 | } | |
204 | ||
205 | if (S_ISDIR(mode)) { | |
6a0b0b6d | 206 | queue_directory(sha1, base, filename, |
ed22b417 NTND |
207 | mode, stage, c); |
208 | return READ_TREE_RECURSIVE; | |
209 | } | |
210 | ||
211 | if (write_directory(c)) | |
212 | return -1; | |
6a0b0b6d | 213 | return write_archive_entry(sha1, base->buf, base->len, filename, mode, |
ed22b417 NTND |
214 | stage, context); |
215 | } | |
216 | ||
562e25ab RS |
217 | int write_archive_entries(struct archiver_args *args, |
218 | write_archive_entry_fn_t write_entry) | |
219 | { | |
220 | struct archiver_context context; | |
ba053ea9 NTND |
221 | struct unpack_trees_options opts; |
222 | struct tree_desc t; | |
562e25ab RS |
223 | int err; |
224 | ||
225 | if (args->baselen > 0 && args->base[args->baselen - 1] == '/') { | |
226 | size_t len = args->baselen; | |
227 | ||
228 | while (len > 1 && args->base[len - 2] == '/') | |
229 | len--; | |
230 | if (args->verbose) | |
231 | fprintf(stderr, "%.*s\n", (int)len, args->base); | |
ed1c9977 | 232 | err = write_entry(args, args->tree->object.oid.hash, args->base, |
9cb513b7 | 233 | len, 040777); |
562e25ab RS |
234 | if (err) |
235 | return err; | |
236 | } | |
237 | ||
ed22b417 | 238 | memset(&context, 0, sizeof(context)); |
562e25ab RS |
239 | context.args = args; |
240 | context.write_entry = write_entry; | |
241 | ||
ba053ea9 NTND |
242 | /* |
243 | * Setup index and instruct attr to read index only | |
244 | */ | |
245 | if (!args->worktree_attributes) { | |
246 | memset(&opts, 0, sizeof(opts)); | |
247 | opts.index_only = 1; | |
248 | opts.head_idx = -1; | |
249 | opts.src_index = &the_index; | |
250 | opts.dst_index = &the_index; | |
251 | opts.fn = oneway_merge; | |
252 | init_tree_desc(&t, args->tree->buffer, args->tree->size); | |
253 | if (unpack_trees(1, &t, &opts)) | |
254 | return -1; | |
255 | git_attr_set_direction(GIT_ATTR_INDEX, &the_index); | |
256 | } | |
257 | ||
f3e743a0 | 258 | err = read_tree_recursive(args->tree, "", 0, 0, &args->pathspec, |
ed22b417 NTND |
259 | args->pathspec.has_wildcard ? |
260 | queue_or_write_archive_entry : | |
6a0b0b6d | 261 | write_archive_entry_buf, |
ed22b417 | 262 | &context); |
562e25ab RS |
263 | if (err == READ_TREE_RECURSIVE) |
264 | err = 0; | |
ed22b417 NTND |
265 | while (context.bottom) { |
266 | struct directory *next = context.bottom->up; | |
267 | free(context.bottom); | |
268 | context.bottom = next; | |
269 | } | |
562e25ab RS |
270 | return err; |
271 | } | |
6e94e683 | 272 | |
c0885435 RS |
273 | static const struct archiver *lookup_archiver(const char *name) |
274 | { | |
275 | int i; | |
276 | ||
4fac1d3a RS |
277 | if (!name) |
278 | return NULL; | |
279 | ||
13e0f88d JK |
280 | for (i = 0; i < nr_archivers; i++) { |
281 | if (!strcmp(name, archivers[i]->name)) | |
282 | return archivers[i]; | |
c0885435 RS |
283 | } |
284 | return NULL; | |
285 | } | |
286 | ||
6a0b0b6d NTND |
287 | static int reject_entry(const unsigned char *sha1, struct strbuf *base, |
288 | const char *filename, unsigned mode, | |
d5f53d6d RS |
289 | int stage, void *context) |
290 | { | |
ed22b417 NTND |
291 | int ret = -1; |
292 | if (S_ISDIR(mode)) { | |
293 | struct strbuf sb = STRBUF_INIT; | |
6a0b0b6d | 294 | strbuf_addbuf(&sb, base); |
ed22b417 NTND |
295 | strbuf_addstr(&sb, filename); |
296 | if (!match_pathspec(context, sb.buf, sb.len, 0, NULL, 1)) | |
297 | ret = READ_TREE_RECURSIVE; | |
298 | strbuf_release(&sb); | |
299 | } | |
300 | return ret; | |
d5f53d6d RS |
301 | } |
302 | ||
303 | static int path_exists(struct tree *tree, const char *path) | |
304 | { | |
f0096c06 NTND |
305 | const char *paths[] = { path, NULL }; |
306 | struct pathspec pathspec; | |
307 | int ret; | |
308 | ||
f3e743a0 | 309 | parse_pathspec(&pathspec, 0, 0, "", paths); |
ed22b417 NTND |
310 | pathspec.recursive = 1; |
311 | ret = read_tree_recursive(tree, "", 0, 0, &pathspec, | |
312 | reject_entry, &pathspec); | |
ed6e8038 | 313 | clear_pathspec(&pathspec); |
f0096c06 | 314 | return ret != 0; |
d5f53d6d RS |
315 | } |
316 | ||
c0885435 RS |
317 | static void parse_pathspec_arg(const char **pathspec, |
318 | struct archiver_args *ar_args) | |
319 | { | |
f3e743a0 NTND |
320 | /* |
321 | * must be consistent with parse_pathspec in path_exists() | |
322 | * Also if pathspec patterns are dependent, we're in big | |
323 | * trouble as we test each one separately | |
324 | */ | |
325 | parse_pathspec(&ar_args->pathspec, 0, | |
326 | PATHSPEC_PREFER_FULL, | |
327 | "", pathspec); | |
ed22b417 | 328 | ar_args->pathspec.recursive = 1; |
d5f53d6d RS |
329 | if (pathspec) { |
330 | while (*pathspec) { | |
bd54cf17 | 331 | if (**pathspec && !path_exists(ar_args->tree, *pathspec)) |
f3e743a0 | 332 | die(_("pathspec '%s' did not match any files"), *pathspec); |
d5f53d6d RS |
333 | pathspec++; |
334 | } | |
335 | } | |
c0885435 RS |
336 | } |
337 | ||
338 | static void parse_treeish_arg(const char **argv, | |
ee27ca4a JK |
339 | struct archiver_args *ar_args, const char *prefix, |
340 | int remote) | |
c0885435 RS |
341 | { |
342 | const char *name = argv[0]; | |
343 | const unsigned char *commit_sha1; | |
344 | time_t archive_time; | |
345 | struct tree *tree; | |
346 | const struct commit *commit; | |
13609673 | 347 | struct object_id oid; |
c0885435 | 348 | |
ee27ca4a | 349 | /* Remotes are only allowed to fetch actual refs */ |
7671b632 | 350 | if (remote && !remote_allow_unreachable) { |
ee27ca4a | 351 | char *ref = NULL; |
2c5495f7 RM |
352 | const char *colon = strchrnul(name, ':'); |
353 | int refnamelen = colon - name; | |
c51a351a | 354 | |
13609673 | 355 | if (!dwim_ref(name, refnamelen, oid.hash, &ref)) |
c51a351a | 356 | die("no such ref: %.*s", refnamelen, name); |
ee27ca4a JK |
357 | free(ref); |
358 | } | |
0f544ee8 | 359 | |
13609673 | 360 | if (get_sha1(name, oid.hash)) |
0f544ee8 | 361 | die("Not a valid object name"); |
c0885435 | 362 | |
13609673 | 363 | commit = lookup_commit_reference_gently(oid.hash, 1); |
c0885435 | 364 | if (commit) { |
ed1c9977 | 365 | commit_sha1 = commit->object.oid.hash; |
c0885435 RS |
366 | archive_time = commit->date; |
367 | } else { | |
368 | commit_sha1 = NULL; | |
369 | archive_time = time(NULL); | |
370 | } | |
371 | ||
13609673 | 372 | tree = parse_tree_indirect(oid.hash); |
c0885435 RS |
373 | if (tree == NULL) |
374 | die("not a tree object"); | |
375 | ||
376 | if (prefix) { | |
13609673 | 377 | struct object_id tree_oid; |
c0885435 RS |
378 | unsigned int mode; |
379 | int err; | |
380 | ||
ed1c9977 | 381 | err = get_tree_entry(tree->object.oid.hash, prefix, |
13609673 | 382 | tree_oid.hash, &mode); |
c0885435 RS |
383 | if (err || !S_ISDIR(mode)) |
384 | die("current working directory is untracked"); | |
385 | ||
13609673 | 386 | tree = parse_tree_indirect(tree_oid.hash); |
c0885435 RS |
387 | } |
388 | ar_args->tree = tree; | |
389 | ar_args->commit_sha1 = commit_sha1; | |
390 | ar_args->commit = commit; | |
391 | ar_args->time = archive_time; | |
392 | } | |
393 | ||
4fac1d3a RS |
394 | #define OPT__COMPR(s, v, h, p) \ |
395 | { OPTION_SET_INT, (s), NULL, (v), NULL, (h), \ | |
396 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, (p) } | |
397 | #define OPT__COMPR_HIDDEN(s, v, p) \ | |
398 | { OPTION_SET_INT, (s), NULL, (v), NULL, "", \ | |
399 | PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_HIDDEN, NULL, (p) } | |
400 | ||
c0885435 | 401 | static int parse_archive_args(int argc, const char **argv, |
56baa61d | 402 | const struct archiver **ar, struct archiver_args *args, |
7b97730b | 403 | const char *name_hint, int is_remote) |
c0885435 | 404 | { |
56baa61d | 405 | const char *format = NULL; |
4fac1d3a RS |
406 | const char *base = NULL; |
407 | const char *remote = NULL; | |
408 | const char *exec = NULL; | |
aec0c1bb | 409 | const char *output = NULL; |
c0885435 RS |
410 | int compression_level = -1; |
411 | int verbose = 0; | |
412 | int i; | |
4fac1d3a | 413 | int list = 0; |
ba053ea9 | 414 | int worktree_attributes = 0; |
4fac1d3a RS |
415 | struct option opts[] = { |
416 | OPT_GROUP(""), | |
0012a387 NTND |
417 | OPT_STRING(0, "format", &format, N_("fmt"), N_("archive format")), |
418 | OPT_STRING(0, "prefix", &base, N_("prefix"), | |
419 | N_("prepend prefix to each pathname in the archive")), | |
420 | OPT_STRING('o', "output", &output, N_("file"), | |
421 | N_("write the archive to this file")), | |
f858c646 | 422 | OPT_BOOL(0, "worktree-attributes", &worktree_attributes, |
0012a387 NTND |
423 | N_("read .gitattributes in working directory")), |
424 | OPT__VERBOSE(&verbose, N_("report archived files on stderr")), | |
425 | OPT__COMPR('0', &compression_level, N_("store only"), 0), | |
426 | OPT__COMPR('1', &compression_level, N_("compress faster"), 1), | |
4fac1d3a RS |
427 | OPT__COMPR_HIDDEN('2', &compression_level, 2), |
428 | OPT__COMPR_HIDDEN('3', &compression_level, 3), | |
429 | OPT__COMPR_HIDDEN('4', &compression_level, 4), | |
430 | OPT__COMPR_HIDDEN('5', &compression_level, 5), | |
431 | OPT__COMPR_HIDDEN('6', &compression_level, 6), | |
432 | OPT__COMPR_HIDDEN('7', &compression_level, 7), | |
433 | OPT__COMPR_HIDDEN('8', &compression_level, 8), | |
0012a387 | 434 | OPT__COMPR('9', &compression_level, N_("compress better"), 9), |
4fac1d3a | 435 | OPT_GROUP(""), |
f858c646 | 436 | OPT_BOOL('l', "list", &list, |
0012a387 | 437 | N_("list supported archive formats")), |
4fac1d3a | 438 | OPT_GROUP(""), |
0012a387 NTND |
439 | OPT_STRING(0, "remote", &remote, N_("repo"), |
440 | N_("retrieve the archive from remote repository <repo>")), | |
b0ff9654 | 441 | OPT_STRING(0, "exec", &exec, N_("command"), |
0012a387 | 442 | N_("path to the remote git-upload-archive command")), |
4fac1d3a RS |
443 | OPT_END() |
444 | }; | |
445 | ||
37782920 | 446 | argc = parse_options(argc, argv, NULL, opts, archive_usage, 0); |
4fac1d3a RS |
447 | |
448 | if (remote) | |
5a36d00c | 449 | die(_("Unexpected option --remote")); |
4fac1d3a | 450 | if (exec) |
5a36d00c | 451 | die(_("Option --exec can only be used together with --remote")); |
52e77876 | 452 | if (output) |
5a36d00c | 453 | die(_("Unexpected option --output")); |
4fac1d3a RS |
454 | |
455 | if (!base) | |
456 | base = ""; | |
457 | ||
458 | if (list) { | |
13e0f88d | 459 | for (i = 0; i < nr_archivers; i++) |
7b97730b JK |
460 | if (!is_remote || archivers[i]->flags & ARCHIVER_REMOTE) |
461 | printf("%s\n", archivers[i]->name); | |
4fac1d3a | 462 | exit(0); |
c0885435 RS |
463 | } |
464 | ||
56baa61d JK |
465 | if (!format && name_hint) |
466 | format = archive_format_from_filename(name_hint); | |
467 | if (!format) | |
468 | format = "tar"; | |
469 | ||
c0885435 | 470 | /* We need at least one parameter -- tree-ish */ |
4fac1d3a RS |
471 | if (argc < 1) |
472 | usage_with_options(archive_usage, opts); | |
c0885435 | 473 | *ar = lookup_archiver(format); |
7b97730b | 474 | if (!*ar || (is_remote && !((*ar)->flags & ARCHIVER_REMOTE))) |
5a36d00c | 475 | die(_("Unknown archive format '%s'"), format); |
c0885435 RS |
476 | |
477 | args->compression_level = Z_DEFAULT_COMPRESSION; | |
478 | if (compression_level != -1) { | |
13e0f88d | 479 | if ((*ar)->flags & ARCHIVER_WANT_COMPRESSION_LEVELS) |
c0885435 RS |
480 | args->compression_level = compression_level; |
481 | else { | |
5a36d00c | 482 | die(_("Argument not supported for format '%s': -%d"), |
c0885435 RS |
483 | format, compression_level); |
484 | } | |
485 | } | |
486 | args->verbose = verbose; | |
487 | args->base = base; | |
488 | args->baselen = strlen(base); | |
ba053ea9 | 489 | args->worktree_attributes = worktree_attributes; |
c0885435 | 490 | |
4fac1d3a | 491 | return argc; |
c0885435 RS |
492 | } |
493 | ||
6e94e683 | 494 | int write_archive(int argc, const char **argv, const char *prefix, |
eb0224c6 | 495 | const char *name_hint, int remote) |
6e94e683 RS |
496 | { |
497 | const struct archiver *ar = NULL; | |
498 | struct archiver_args args; | |
6e94e683 | 499 | |
95790ff6 TA |
500 | git_config_get_bool("uploadarchive.allowunreachable", &remote_allow_unreachable); |
501 | git_config(git_default_config, NULL); | |
502 | ||
13e0f88d JK |
503 | init_tar_archiver(); |
504 | init_zip_archiver(); | |
23212862 | 505 | |
7b97730b | 506 | argc = parse_archive_args(argc, argv, &ar, &args, name_hint, remote); |
eb0224c6 | 507 | if (!startup_info->have_repository) { |
23212862 JK |
508 | /* |
509 | * We know this will die() with an error, so we could just | |
510 | * die ourselves; but its error message will be more specific | |
511 | * than what we could write here. | |
512 | */ | |
513 | setup_git_directory(); | |
514 | } | |
6e94e683 | 515 | |
ee27ca4a | 516 | parse_treeish_arg(argv, &args, prefix, remote); |
6e94e683 RS |
517 | parse_pathspec_arg(argv + 1, &args); |
518 | ||
4d7c9898 | 519 | return ar->write_archive(ar, &args); |
6e94e683 | 520 | } |
56baa61d | 521 | |
08716b3c JK |
522 | static int match_extension(const char *filename, const char *ext) |
523 | { | |
524 | int prefixlen = strlen(filename) - strlen(ext); | |
525 | ||
526 | /* | |
527 | * We need 1 character for the '.', and 1 character to ensure that the | |
528 | * prefix is non-empty (k.e., we don't match .tar.gz with no actual | |
529 | * filename). | |
530 | */ | |
b1cdfb54 | 531 | if (prefixlen < 2 || filename[prefixlen - 1] != '.') |
08716b3c JK |
532 | return 0; |
533 | return !strcmp(filename + prefixlen, ext); | |
534 | } | |
535 | ||
56baa61d JK |
536 | const char *archive_format_from_filename(const char *filename) |
537 | { | |
08716b3c JK |
538 | int i; |
539 | ||
540 | for (i = 0; i < nr_archivers; i++) | |
541 | if (match_extension(filename, archivers[i]->name)) | |
542 | return archivers[i]->name; | |
56baa61d JK |
543 | return NULL; |
544 | } |