]>
Commit | Line | Data |
---|---|---|
18125644 | 1 | #include "cache.h" |
b2141fc1 | 2 | #include "config.h" |
fb58c8d5 | 3 | #include "refs.h" |
cbd53a21 | 4 | #include "object-store.h" |
18125644 | 5 | #include "commit.h" |
c0885435 | 6 | #include "tree-walk.h" |
18125644 | 7 | #include "attr.h" |
562e25ab | 8 | #include "archive.h" |
4fac1d3a | 9 | #include "parse-options.h" |
ba053ea9 | 10 | #include "unpack-trees.h" |
ed22b417 | 11 | #include "dir.h" |
de1f68a9 | 12 | #include "quote.h" |
4fac1d3a RS |
13 | |
14 | static char const * const archive_usage[] = { | |
9c9b4f2f | 15 | N_("git archive [<options>] <tree-ish> [<path>...]"), |
959d670d | 16 | "git archive --list", |
9c9b4f2f | 17 | N_("git archive --remote <repo> [--exec <cmd>] [<options>] <tree-ish> [<path>...]"), |
0012a387 | 18 | N_("git archive --remote <repo> [--exec <cmd>] --list"), |
4fac1d3a RS |
19 | NULL |
20 | }; | |
c0885435 | 21 | |
13e0f88d JK |
22 | static const struct archiver **archivers; |
23 | static int nr_archivers; | |
24 | static int alloc_archivers; | |
7671b632 | 25 | static int remote_allow_unreachable; |
13e0f88d JK |
26 | |
27 | void register_archiver(struct archiver *ar) | |
28 | { | |
29 | ALLOC_GROW(archivers, nr_archivers + 1, alloc_archivers); | |
30 | archivers[nr_archivers++] = ar; | |
31 | } | |
c0885435 | 32 | |
00436bf1 JS |
33 | void init_archivers(void) |
34 | { | |
35 | init_tar_archiver(); | |
36 | init_zip_archiver(); | |
37 | } | |
38 | ||
18125644 | 39 | static void format_subst(const struct commit *commit, |
ec36c42a | 40 | const char *src, size_t len, |
96099726 | 41 | struct strbuf *buf, struct pretty_print_context *ctx) |
18125644 LH |
42 | { |
43 | char *to_free = NULL; | |
f285a2d7 | 44 | struct strbuf fmt = STRBUF_INIT; |
18125644 LH |
45 | |
46 | if (src == buf->buf) | |
47 | to_free = strbuf_detach(buf, NULL); | |
18125644 LH |
48 | for (;;) { |
49 | const char *b, *c; | |
50 | ||
51 | b = memmem(src, len, "$Format:", 8); | |
75b7dfbd | 52 | if (!b) |
18125644 | 53 | break; |
75b7dfbd | 54 | c = memchr(b + 8, '$', (src + len) - b - 8); |
18125644 LH |
55 | if (!c) |
56 | break; | |
57 | ||
58 | strbuf_reset(&fmt); | |
59 | strbuf_add(&fmt, b + 8, c - b - 8); | |
60 | ||
61 | strbuf_add(buf, src, b - src); | |
bab82164 ÆAB |
62 | repo_format_commit_message(the_repository, commit, fmt.buf, |
63 | buf, ctx); | |
18125644 LH |
64 | len -= c + 1 - src; |
65 | src = c + 1; | |
66 | } | |
67 | strbuf_add(buf, src, len); | |
68 | strbuf_release(&fmt); | |
69 | free(to_free); | |
70 | } | |
71 | ||
200589ab RS |
72 | static void *object_file_to_archive(const struct archiver_args *args, |
73 | const char *path, | |
74 | const struct object_id *oid, | |
75 | unsigned int mode, | |
76 | enum object_type *type, | |
77 | unsigned long *sizep) | |
18125644 LH |
78 | { |
79 | void *buffer; | |
9cb513b7 | 80 | const struct commit *commit = args->convert ? args->commit : NULL; |
c397aac0 | 81 | struct checkout_metadata meta; |
82 | ||
83 | init_checkout_metadata(&meta, args->refname, | |
84 | args->commit_oid ? args->commit_oid : | |
85 | (args->tree ? &args->tree->object.oid : NULL), oid); | |
18125644 | 86 | |
9cb513b7 | 87 | path += args->baselen; |
bc726bd0 | 88 | buffer = repo_read_object_file(the_repository, oid, type, sizep); |
18125644 | 89 | if (buffer && S_ISREG(mode)) { |
f285a2d7 | 90 | struct strbuf buf = STRBUF_INIT; |
18125644 LH |
91 | size_t size = 0; |
92 | ||
18125644 | 93 | strbuf_attach(&buf, buffer, *sizep, *sizep + 1); |
c397aac0 | 94 | convert_to_working_tree(args->repo->index, path, buf.buf, buf.len, &buf, &meta); |
1d11d5bb | 95 | if (commit) |
96099726 | 96 | format_subst(commit, buf.buf, buf.len, &buf, args->pretty_ctx); |
18125644 LH |
97 | buffer = strbuf_detach(&buf, &size); |
98 | *sizep = size; | |
99 | } | |
100 | ||
101 | return buffer; | |
102 | } | |
103 | ||
ed22b417 NTND |
104 | struct directory { |
105 | struct directory *up; | |
13609673 | 106 | struct object_id oid; |
ed22b417 NTND |
107 | int baselen, len; |
108 | unsigned mode; | |
ed22b417 NTND |
109 | char path[FLEX_ARRAY]; |
110 | }; | |
111 | ||
562e25ab RS |
112 | struct archiver_context { |
113 | struct archiver_args *args; | |
114 | write_archive_entry_fn_t write_entry; | |
ed22b417 | 115 | struct directory *bottom; |
562e25ab RS |
116 | }; |
117 | ||
b612ee20 NTND |
118 | static const struct attr_check *get_archive_attrs(struct index_state *istate, |
119 | const char *path) | |
c6c08f7e RS |
120 | { |
121 | static struct attr_check *check; | |
122 | if (!check) | |
123 | check = attr_check_initl("export-ignore", "export-subst", NULL); | |
47cfc9bd | 124 | git_check_attr(istate, NULL, path, check); |
d64324cb | 125 | return check; |
c6c08f7e RS |
126 | } |
127 | ||
128 | static int check_attr_export_ignore(const struct attr_check *check) | |
129 | { | |
130 | return check && ATTR_TRUE(check->items[0].value); | |
131 | } | |
132 | ||
133 | static int check_attr_export_subst(const struct attr_check *check) | |
134 | { | |
135 | return check && ATTR_TRUE(check->items[1].value); | |
136 | } | |
137 | ||
015ff4f8 | 138 | static int write_archive_entry(const struct object_id *oid, const char *base, |
7367d882 | 139 | int baselen, const char *filename, unsigned mode, |
562e25ab RS |
140 | void *context) |
141 | { | |
142 | static struct strbuf path = STRBUF_INIT; | |
143 | struct archiver_context *c = context; | |
144 | struct archiver_args *args = c->args; | |
145 | write_archive_entry_fn_t write_entry = c->write_entry; | |
146 | int err; | |
5ff247ac | 147 | const char *path_without_prefix; |
200589ab RS |
148 | unsigned long size; |
149 | void *buffer; | |
150 | enum object_type type; | |
562e25ab | 151 | |
9cb513b7 | 152 | args->convert = 0; |
562e25ab RS |
153 | strbuf_reset(&path); |
154 | strbuf_grow(&path, PATH_MAX); | |
ebfbdb34 | 155 | strbuf_add(&path, args->base, args->baselen); |
562e25ab RS |
156 | strbuf_add(&path, base, baselen); |
157 | strbuf_addstr(&path, filename); | |
94bc671a JNA |
158 | if (S_ISDIR(mode) || S_ISGITLINK(mode)) |
159 | strbuf_addch(&path, '/'); | |
1d11d5bb | 160 | path_without_prefix = path.buf + args->baselen; |
562e25ab | 161 | |
43180940 | 162 | if (!S_ISDIR(mode)) { |
5ff247ac | 163 | const struct attr_check *check; |
b612ee20 | 164 | check = get_archive_attrs(args->repo->index, path_without_prefix); |
5ff247ac | 165 | if (check_attr_export_ignore(check)) |
1d11d5bb | 166 | return 0; |
5ff247ac | 167 | args->convert = check_attr_export_subst(check); |
1d11d5bb | 168 | } |
562e25ab | 169 | |
e3733b64 RS |
170 | if (args->verbose) |
171 | fprintf(stderr, "%.*s\n", (int)path.len, path.buf); | |
172 | ||
562e25ab | 173 | if (S_ISDIR(mode) || S_ISGITLINK(mode)) { |
200589ab | 174 | err = write_entry(args, oid, path.buf, path.len, mode, NULL, 0); |
562e25ab RS |
175 | if (err) |
176 | return err; | |
d3bee161 | 177 | return (S_ISDIR(mode) ? READ_TREE_RECURSIVE : 0); |
562e25ab RS |
178 | } |
179 | ||
200589ab RS |
180 | /* Stream it? */ |
181 | if (S_ISREG(mode) && !args->convert && | |
182 | oid_object_info(args->repo, oid, &size) == OBJ_BLOB && | |
183 | size > big_file_threshold) | |
184 | return write_entry(args, oid, path.buf, path.len, mode, NULL, size); | |
185 | ||
186 | buffer = object_file_to_archive(args, path.buf, oid, mode, &type, &size); | |
187 | if (!buffer) | |
c4904377 | 188 | return error(_("cannot read '%s'"), oid_to_hex(oid)); |
200589ab RS |
189 | err = write_entry(args, oid, path.buf, path.len, mode, buffer, size); |
190 | free(buffer); | |
191 | return err; | |
562e25ab RS |
192 | } |
193 | ||
e124ecf7 | 194 | static void queue_directory(const struct object_id *oid, |
6a0b0b6d | 195 | struct strbuf *base, const char *filename, |
7367d882 | 196 | unsigned mode, struct archiver_context *c) |
ed22b417 NTND |
197 | { |
198 | struct directory *d; | |
50a6c8ef JK |
199 | size_t len = st_add4(base->len, 1, strlen(filename), 1); |
200 | d = xmalloc(st_add(sizeof(*d), len)); | |
ed22b417 | 201 | d->up = c->bottom; |
6a0b0b6d | 202 | d->baselen = base->len; |
ed22b417 | 203 | d->mode = mode; |
ed22b417 | 204 | c->bottom = d; |
c7ab0ba3 | 205 | d->len = xsnprintf(d->path, len, "%.*s%s/", (int)base->len, base->buf, filename); |
e124ecf7 | 206 | oidcpy(&d->oid, oid); |
ed22b417 NTND |
207 | } |
208 | ||
209 | static int write_directory(struct archiver_context *c) | |
210 | { | |
211 | struct directory *d = c->bottom; | |
212 | int ret; | |
213 | ||
214 | if (!d) | |
215 | return 0; | |
216 | c->bottom = d->up; | |
217 | d->path[d->len - 1] = '\0'; /* no trailing slash */ | |
218 | ret = | |
219 | write_directory(c) || | |
015ff4f8 | 220 | write_archive_entry(&d->oid, d->path, d->baselen, |
ed22b417 | 221 | d->path + d->baselen, d->mode, |
7367d882 | 222 | c) != READ_TREE_RECURSIVE; |
ed22b417 NTND |
223 | free(d); |
224 | return ret ? -1 : 0; | |
225 | } | |
226 | ||
df46d77e | 227 | static int queue_or_write_archive_entry(const struct object_id *oid, |
6a0b0b6d | 228 | struct strbuf *base, const char *filename, |
47957485 | 229 | unsigned mode, void *context) |
ed22b417 NTND |
230 | { |
231 | struct archiver_context *c = context; | |
232 | ||
233 | while (c->bottom && | |
6a0b0b6d NTND |
234 | !(base->len >= c->bottom->len && |
235 | !strncmp(base->buf, c->bottom->path, c->bottom->len))) { | |
ed22b417 NTND |
236 | struct directory *next = c->bottom->up; |
237 | free(c->bottom); | |
238 | c->bottom = next; | |
239 | } | |
240 | ||
241 | if (S_ISDIR(mode)) { | |
5ff247ac RS |
242 | size_t baselen = base->len; |
243 | const struct attr_check *check; | |
244 | ||
245 | /* Borrow base, but restore its original value when done. */ | |
246 | strbuf_addstr(base, filename); | |
247 | strbuf_addch(base, '/'); | |
b612ee20 | 248 | check = get_archive_attrs(c->args->repo->index, base->buf); |
5ff247ac RS |
249 | strbuf_setlen(base, baselen); |
250 | ||
251 | if (check_attr_export_ignore(check)) | |
252 | return 0; | |
e124ecf7 | 253 | queue_directory(oid, base, filename, mode, c); |
ed22b417 NTND |
254 | return READ_TREE_RECURSIVE; |
255 | } | |
256 | ||
257 | if (write_directory(c)) | |
258 | return -1; | |
015ff4f8 | 259 | return write_archive_entry(oid, base->buf, base->len, filename, mode, |
7367d882 | 260 | context); |
ed22b417 NTND |
261 | } |
262 | ||
2947a793 RS |
263 | struct extra_file_info { |
264 | char *base; | |
265 | struct stat stat; | |
237a1d13 | 266 | void *content; |
2947a793 RS |
267 | }; |
268 | ||
562e25ab RS |
269 | int write_archive_entries(struct archiver_args *args, |
270 | write_archive_entry_fn_t write_entry) | |
271 | { | |
272 | struct archiver_context context; | |
ba053ea9 NTND |
273 | struct unpack_trees_options opts; |
274 | struct tree_desc t; | |
562e25ab | 275 | int err; |
2947a793 RS |
276 | struct strbuf path_in_archive = STRBUF_INIT; |
277 | struct strbuf content = STRBUF_INIT; | |
14228447 | 278 | struct object_id fake_oid; |
2947a793 | 279 | int i; |
562e25ab | 280 | |
14228447 | 281 | oidcpy(&fake_oid, null_oid()); |
282 | ||
562e25ab RS |
283 | if (args->baselen > 0 && args->base[args->baselen - 1] == '/') { |
284 | size_t len = args->baselen; | |
285 | ||
286 | while (len > 1 && args->base[len - 2] == '/') | |
287 | len--; | |
288 | if (args->verbose) | |
289 | fprintf(stderr, "%.*s\n", (int)len, args->base); | |
015ff4f8 | 290 | err = write_entry(args, &args->tree->object.oid, args->base, |
200589ab | 291 | len, 040777, NULL, 0); |
562e25ab RS |
292 | if (err) |
293 | return err; | |
294 | } | |
295 | ||
ed22b417 | 296 | memset(&context, 0, sizeof(context)); |
562e25ab RS |
297 | context.args = args; |
298 | context.write_entry = write_entry; | |
299 | ||
ba053ea9 NTND |
300 | /* |
301 | * Setup index and instruct attr to read index only | |
302 | */ | |
303 | if (!args->worktree_attributes) { | |
304 | memset(&opts, 0, sizeof(opts)); | |
305 | opts.index_only = 1; | |
306 | opts.head_idx = -1; | |
b612ee20 NTND |
307 | opts.src_index = args->repo->index; |
308 | opts.dst_index = args->repo->index; | |
ba053ea9 NTND |
309 | opts.fn = oneway_merge; |
310 | init_tree_desc(&t, args->tree->buffer, args->tree->size); | |
311 | if (unpack_trees(1, &t, &opts)) | |
312 | return -1; | |
c4500e25 | 313 | git_attr_set_direction(GIT_ATTR_INDEX); |
ba053ea9 NTND |
314 | } |
315 | ||
47957485 ÆAB |
316 | err = read_tree(args->repo, args->tree, |
317 | &args->pathspec, | |
318 | queue_or_write_archive_entry, | |
319 | &context); | |
562e25ab RS |
320 | if (err == READ_TREE_RECURSIVE) |
321 | err = 0; | |
ed22b417 NTND |
322 | while (context.bottom) { |
323 | struct directory *next = context.bottom->up; | |
324 | free(context.bottom); | |
325 | context.bottom = next; | |
326 | } | |
2947a793 RS |
327 | |
328 | for (i = 0; i < args->extra_files.nr; i++) { | |
329 | struct string_list_item *item = args->extra_files.items + i; | |
330 | char *path = item->string; | |
331 | struct extra_file_info *info = item->util; | |
332 | ||
333 | put_be64(fake_oid.hash, i + 1); | |
334 | ||
237a1d13 JS |
335 | if (!info->content) { |
336 | strbuf_reset(&path_in_archive); | |
337 | if (info->base) | |
338 | strbuf_addstr(&path_in_archive, info->base); | |
339 | strbuf_addstr(&path_in_archive, basename(path)); | |
340 | ||
341 | strbuf_reset(&content); | |
342 | if (strbuf_read_file(&content, path, info->stat.st_size) < 0) | |
343 | err = error_errno(_("cannot read '%s'"), path); | |
344 | else | |
345 | err = write_entry(args, &fake_oid, path_in_archive.buf, | |
346 | path_in_archive.len, | |
347 | canon_mode(info->stat.st_mode), | |
348 | content.buf, content.len); | |
349 | } else { | |
350 | err = write_entry(args, &fake_oid, | |
351 | path, strlen(path), | |
6a616619 | 352 | canon_mode(info->stat.st_mode), |
237a1d13 JS |
353 | info->content, info->stat.st_size); |
354 | } | |
355 | ||
2947a793 RS |
356 | if (err) |
357 | break; | |
358 | } | |
359 | strbuf_release(&path_in_archive); | |
360 | strbuf_release(&content); | |
361 | ||
562e25ab RS |
362 | return err; |
363 | } | |
6e94e683 | 364 | |
c0885435 RS |
365 | static const struct archiver *lookup_archiver(const char *name) |
366 | { | |
367 | int i; | |
368 | ||
4fac1d3a RS |
369 | if (!name) |
370 | return NULL; | |
371 | ||
13e0f88d JK |
372 | for (i = 0; i < nr_archivers; i++) { |
373 | if (!strcmp(name, archivers[i]->name)) | |
374 | return archivers[i]; | |
c0885435 RS |
375 | } |
376 | return NULL; | |
377 | } | |
378 | ||
b612ee20 NTND |
379 | struct path_exists_context { |
380 | struct pathspec pathspec; | |
381 | struct archiver_args *args; | |
382 | }; | |
383 | ||
5cf88fd8 | 384 | static int reject_entry(const struct object_id *oid UNUSED, |
555ff1c8 | 385 | struct strbuf *base, |
6a0b0b6d | 386 | const char *filename, unsigned mode, |
7367d882 | 387 | void *context) |
d5f53d6d | 388 | { |
ed22b417 | 389 | int ret = -1; |
b612ee20 NTND |
390 | struct path_exists_context *ctx = context; |
391 | ||
ed22b417 NTND |
392 | if (S_ISDIR(mode)) { |
393 | struct strbuf sb = STRBUF_INIT; | |
6a0b0b6d | 394 | strbuf_addbuf(&sb, base); |
ed22b417 | 395 | strbuf_addstr(&sb, filename); |
b612ee20 NTND |
396 | if (!match_pathspec(ctx->args->repo->index, |
397 | &ctx->pathspec, | |
398 | sb.buf, sb.len, 0, NULL, 1)) | |
ed22b417 NTND |
399 | ret = READ_TREE_RECURSIVE; |
400 | strbuf_release(&sb); | |
401 | } | |
402 | return ret; | |
d5f53d6d RS |
403 | } |
404 | ||
b612ee20 | 405 | static int path_exists(struct archiver_args *args, const char *path) |
d5f53d6d | 406 | { |
f0096c06 | 407 | const char *paths[] = { path, NULL }; |
b612ee20 | 408 | struct path_exists_context ctx; |
f0096c06 NTND |
409 | int ret; |
410 | ||
b612ee20 NTND |
411 | ctx.args = args; |
412 | parse_pathspec(&ctx.pathspec, 0, 0, "", paths); | |
413 | ctx.pathspec.recursive = 1; | |
47957485 ÆAB |
414 | ret = read_tree(args->repo, args->tree, |
415 | &ctx.pathspec, | |
416 | reject_entry, &ctx); | |
b612ee20 | 417 | clear_pathspec(&ctx.pathspec); |
f0096c06 | 418 | return ret != 0; |
d5f53d6d RS |
419 | } |
420 | ||
c0885435 RS |
421 | static void parse_pathspec_arg(const char **pathspec, |
422 | struct archiver_args *ar_args) | |
423 | { | |
f3e743a0 NTND |
424 | /* |
425 | * must be consistent with parse_pathspec in path_exists() | |
426 | * Also if pathspec patterns are dependent, we're in big | |
427 | * trouble as we test each one separately | |
428 | */ | |
429 | parse_pathspec(&ar_args->pathspec, 0, | |
430 | PATHSPEC_PREFER_FULL, | |
431 | "", pathspec); | |
ed22b417 | 432 | ar_args->pathspec.recursive = 1; |
d5f53d6d RS |
433 | if (pathspec) { |
434 | while (*pathspec) { | |
b612ee20 | 435 | if (**pathspec && !path_exists(ar_args, *pathspec)) |
f3e743a0 | 436 | die(_("pathspec '%s' did not match any files"), *pathspec); |
d5f53d6d RS |
437 | pathspec++; |
438 | } | |
439 | } | |
c0885435 RS |
440 | } |
441 | ||
442 | static void parse_treeish_arg(const char **argv, | |
ee27ca4a JK |
443 | struct archiver_args *ar_args, const char *prefix, |
444 | int remote) | |
c0885435 RS |
445 | { |
446 | const char *name = argv[0]; | |
bbf05cf7 | 447 | const struct object_id *commit_oid; |
c0885435 RS |
448 | time_t archive_time; |
449 | struct tree *tree; | |
450 | const struct commit *commit; | |
13609673 | 451 | struct object_id oid; |
c397aac0 | 452 | char *ref = NULL; |
c0885435 | 453 | |
ee27ca4a | 454 | /* Remotes are only allowed to fetch actual refs */ |
7671b632 | 455 | if (remote && !remote_allow_unreachable) { |
2c5495f7 RM |
456 | const char *colon = strchrnul(name, ':'); |
457 | int refnamelen = colon - name; | |
c51a351a | 458 | |
f24c30e0 | 459 | if (!dwim_ref(name, refnamelen, &oid, &ref, 0)) |
c6e7965d | 460 | die(_("no such ref: %.*s"), refnamelen, name); |
c397aac0 | 461 | } else { |
f24c30e0 | 462 | dwim_ref(name, strlen(name), &oid, &ref, 0); |
ee27ca4a | 463 | } |
0f544ee8 | 464 | |
d850b7a5 | 465 | if (repo_get_oid(the_repository, name, &oid)) |
c6e7965d | 466 | die(_("not a valid object name: %s"), name); |
c0885435 | 467 | |
ce3a7ec8 | 468 | commit = lookup_commit_reference_gently(ar_args->repo, &oid, 1); |
c0885435 | 469 | if (commit) { |
bbf05cf7 | 470 | commit_oid = &commit->object.oid; |
c0885435 RS |
471 | archive_time = commit->date; |
472 | } else { | |
bbf05cf7 | 473 | commit_oid = NULL; |
c0885435 RS |
474 | archive_time = time(NULL); |
475 | } | |
fd2da4b1 RS |
476 | if (ar_args->mtime_option) |
477 | archive_time = approxidate(ar_args->mtime_option); | |
c0885435 | 478 | |
a9dbc179 | 479 | tree = parse_tree_indirect(&oid); |
afe8a907 | 480 | if (!tree) |
c6e7965d | 481 | die(_("not a tree object: %s"), oid_to_hex(&oid)); |
c0885435 RS |
482 | |
483 | if (prefix) { | |
13609673 | 484 | struct object_id tree_oid; |
5ec1e728 | 485 | unsigned short mode; |
c0885435 RS |
486 | int err; |
487 | ||
50ddb089 NTND |
488 | err = get_tree_entry(ar_args->repo, |
489 | &tree->object.oid, | |
490 | prefix, &tree_oid, | |
916bc35b | 491 | &mode); |
c0885435 | 492 | if (err || !S_ISDIR(mode)) |
c6e7965d | 493 | die(_("current working directory is untracked")); |
c0885435 | 494 | |
a9dbc179 | 495 | tree = parse_tree_indirect(&tree_oid); |
c0885435 | 496 | } |
c397aac0 | 497 | ar_args->refname = ref; |
c0885435 | 498 | ar_args->tree = tree; |
bbf05cf7 | 499 | ar_args->commit_oid = commit_oid; |
c0885435 RS |
500 | ar_args->commit = commit; |
501 | ar_args->time = archive_time; | |
502 | } | |
503 | ||
1ee34710 | 504 | static void extra_file_info_clear(void *util, const char *str UNUSED) |
2947a793 RS |
505 | { |
506 | struct extra_file_info *info = util; | |
507 | free(info->base); | |
237a1d13 | 508 | free(info->content); |
2947a793 RS |
509 | free(info); |
510 | } | |
511 | ||
512 | static int add_file_cb(const struct option *opt, const char *arg, int unset) | |
513 | { | |
514 | struct archiver_args *args = opt->value; | |
515 | const char **basep = (const char **)opt->defval; | |
516 | const char *base = *basep; | |
517 | char *path; | |
518 | struct string_list_item *item; | |
519 | struct extra_file_info *info; | |
520 | ||
521 | if (unset) { | |
522 | string_list_clear_func(&args->extra_files, | |
523 | extra_file_info_clear); | |
524 | return 0; | |
525 | } | |
526 | ||
527 | if (!arg) | |
528 | return -1; | |
529 | ||
237a1d13 | 530 | info = xmalloc(sizeof(*info)); |
2947a793 | 531 | info->base = xstrdup_or_null(base); |
237a1d13 JS |
532 | |
533 | if (!strcmp(opt->long_name, "add-file")) { | |
534 | path = prefix_filename(args->prefix, arg); | |
535 | if (stat(path, &info->stat)) | |
536 | die(_("File not found: %s"), path); | |
537 | if (!S_ISREG(info->stat.st_mode)) | |
538 | die(_("Not a regular file: %s"), path); | |
539 | info->content = NULL; /* read the file later */ | |
540 | } else if (!strcmp(opt->long_name, "add-virtual-file")) { | |
de1f68a9 JS |
541 | struct strbuf buf = STRBUF_INIT; |
542 | const char *p = arg; | |
543 | ||
544 | if (*p != '"') | |
545 | p = strchr(p, ':'); | |
546 | else if (unquote_c_style(&buf, p, &p) < 0) | |
547 | die(_("unclosed quote: '%s'"), arg); | |
237a1d13 | 548 | |
de1f68a9 | 549 | if (!p || *p != ':') |
237a1d13 JS |
550 | die(_("missing colon: '%s'"), arg); |
551 | ||
de1f68a9 JS |
552 | if (p == arg) |
553 | die(_("empty file name: '%s'"), arg); | |
554 | ||
555 | path = buf.len ? | |
556 | strbuf_detach(&buf, NULL) : xstrndup(arg, p - arg); | |
557 | ||
558 | if (args->prefix) { | |
559 | char *save = path; | |
560 | path = prefix_filename(args->prefix, path); | |
561 | free(save); | |
237a1d13 JS |
562 | } |
563 | memset(&info->stat, 0, sizeof(info->stat)); | |
564 | info->stat.st_mode = S_IFREG | 0644; | |
de1f68a9 | 565 | info->content = xstrdup(p + 1); |
237a1d13 JS |
566 | info->stat.st_size = strlen(info->content); |
567 | } else { | |
568 | BUG("add_file_cb() called for %s", opt->long_name); | |
569 | } | |
570 | item = string_list_append_nodup(&args->extra_files, path); | |
571 | item->util = info; | |
572 | ||
2947a793 RS |
573 | return 0; |
574 | } | |
575 | ||
cde8ea9c RS |
576 | static int number_callback(const struct option *opt, const char *arg, int unset) |
577 | { | |
578 | BUG_ON_OPT_NEG(unset); | |
579 | *(int *)opt->value = strtol(arg, NULL, 10); | |
580 | return 0; | |
581 | } | |
4fac1d3a | 582 | |
c0885435 | 583 | static int parse_archive_args(int argc, const char **argv, |
56baa61d | 584 | const struct archiver **ar, struct archiver_args *args, |
7b97730b | 585 | const char *name_hint, int is_remote) |
c0885435 | 586 | { |
56baa61d | 587 | const char *format = NULL; |
4fac1d3a RS |
588 | const char *base = NULL; |
589 | const char *remote = NULL; | |
590 | const char *exec = NULL; | |
aec0c1bb | 591 | const char *output = NULL; |
fd2da4b1 | 592 | const char *mtime_option = NULL; |
c0885435 RS |
593 | int compression_level = -1; |
594 | int verbose = 0; | |
595 | int i; | |
4fac1d3a | 596 | int list = 0; |
ba053ea9 | 597 | int worktree_attributes = 0; |
4fac1d3a RS |
598 | struct option opts[] = { |
599 | OPT_GROUP(""), | |
0012a387 NTND |
600 | OPT_STRING(0, "format", &format, N_("fmt"), N_("archive format")), |
601 | OPT_STRING(0, "prefix", &base, N_("prefix"), | |
602 | N_("prepend prefix to each pathname in the archive")), | |
2947a793 RS |
603 | { OPTION_CALLBACK, 0, "add-file", args, N_("file"), |
604 | N_("add untracked file to archive"), 0, add_file_cb, | |
605 | (intptr_t)&base }, | |
237a1d13 JS |
606 | { OPTION_CALLBACK, 0, "add-virtual-file", args, |
607 | N_("path:content"), N_("add untracked file to archive"), 0, | |
608 | add_file_cb, (intptr_t)&base }, | |
0012a387 NTND |
609 | OPT_STRING('o', "output", &output, N_("file"), |
610 | N_("write the archive to this file")), | |
f858c646 | 611 | OPT_BOOL(0, "worktree-attributes", &worktree_attributes, |
0012a387 NTND |
612 | N_("read .gitattributes in working directory")), |
613 | OPT__VERBOSE(&verbose, N_("report archived files on stderr")), | |
fd2da4b1 RS |
614 | { OPTION_STRING, 0, "mtime", &mtime_option, N_("time"), |
615 | N_("set modification time of archive entries"), | |
616 | PARSE_OPT_NONEG }, | |
cde8ea9c RS |
617 | OPT_NUMBER_CALLBACK(&compression_level, |
618 | N_("set compression level"), number_callback), | |
4fac1d3a | 619 | OPT_GROUP(""), |
f858c646 | 620 | OPT_BOOL('l', "list", &list, |
0012a387 | 621 | N_("list supported archive formats")), |
4fac1d3a | 622 | OPT_GROUP(""), |
0012a387 NTND |
623 | OPT_STRING(0, "remote", &remote, N_("repo"), |
624 | N_("retrieve the archive from remote repository <repo>")), | |
b0ff9654 | 625 | OPT_STRING(0, "exec", &exec, N_("command"), |
0012a387 | 626 | N_("path to the remote git-upload-archive command")), |
4fac1d3a RS |
627 | OPT_END() |
628 | }; | |
629 | ||
37782920 | 630 | argc = parse_options(argc, argv, NULL, opts, archive_usage, 0); |
4fac1d3a RS |
631 | |
632 | if (remote) | |
5a36d00c | 633 | die(_("Unexpected option --remote")); |
4fac1d3a | 634 | if (exec) |
6fa00ee8 | 635 | die(_("the option '%s' requires '%s'"), "--exec", "--remote"); |
52e77876 | 636 | if (output) |
5a36d00c | 637 | die(_("Unexpected option --output")); |
2947a793 | 638 | if (is_remote && args->extra_files.nr) |
12909b6b | 639 | die(_("options '%s' and '%s' cannot be used together"), "--add-file", "--remote"); |
4fac1d3a RS |
640 | |
641 | if (!base) | |
642 | base = ""; | |
643 | ||
644 | if (list) { | |
13e0f88d | 645 | for (i = 0; i < nr_archivers; i++) |
7b97730b JK |
646 | if (!is_remote || archivers[i]->flags & ARCHIVER_REMOTE) |
647 | printf("%s\n", archivers[i]->name); | |
4fac1d3a | 648 | exit(0); |
c0885435 RS |
649 | } |
650 | ||
56baa61d JK |
651 | if (!format && name_hint) |
652 | format = archive_format_from_filename(name_hint); | |
653 | if (!format) | |
654 | format = "tar"; | |
655 | ||
c0885435 | 656 | /* We need at least one parameter -- tree-ish */ |
4fac1d3a RS |
657 | if (argc < 1) |
658 | usage_with_options(archive_usage, opts); | |
c0885435 | 659 | *ar = lookup_archiver(format); |
7b97730b | 660 | if (!*ar || (is_remote && !((*ar)->flags & ARCHIVER_REMOTE))) |
5a36d00c | 661 | die(_("Unknown archive format '%s'"), format); |
c0885435 RS |
662 | |
663 | args->compression_level = Z_DEFAULT_COMPRESSION; | |
664 | if (compression_level != -1) { | |
cde8ea9c RS |
665 | int levels_ok = (*ar)->flags & ARCHIVER_WANT_COMPRESSION_LEVELS; |
666 | int high_ok = (*ar)->flags & ARCHIVER_HIGH_COMPRESSION_LEVELS; | |
667 | if (levels_ok && (compression_level <= 9 || high_ok)) | |
c0885435 RS |
668 | args->compression_level = compression_level; |
669 | else { | |
5a36d00c | 670 | die(_("Argument not supported for format '%s': -%d"), |
c0885435 RS |
671 | format, compression_level); |
672 | } | |
673 | } | |
674 | args->verbose = verbose; | |
675 | args->base = base; | |
676 | args->baselen = strlen(base); | |
ba053ea9 | 677 | args->worktree_attributes = worktree_attributes; |
fd2da4b1 | 678 | args->mtime_option = mtime_option; |
c0885435 | 679 | |
4fac1d3a | 680 | return argc; |
c0885435 RS |
681 | } |
682 | ||
6e94e683 | 683 | int write_archive(int argc, const char **argv, const char *prefix, |
b612ee20 | 684 | struct repository *repo, |
eb0224c6 | 685 | const char *name_hint, int remote) |
6e94e683 RS |
686 | { |
687 | const struct archiver *ar = NULL; | |
96099726 RS |
688 | struct pretty_print_describe_status describe_status = {0}; |
689 | struct pretty_print_context ctx = {0}; | |
6e94e683 | 690 | struct archiver_args args; |
2947a793 | 691 | int rc; |
6e94e683 | 692 | |
95790ff6 TA |
693 | git_config_get_bool("uploadarchive.allowunreachable", &remote_allow_unreachable); |
694 | git_config(git_default_config, NULL); | |
695 | ||
96099726 RS |
696 | describe_status.max_invocations = 1; |
697 | ctx.date_mode.type = DATE_NORMAL; | |
698 | ctx.abbrev = DEFAULT_ABBREV; | |
699 | ctx.describe_status = &describe_status; | |
700 | args.pretty_ctx = &ctx; | |
b612ee20 | 701 | args.repo = repo; |
2947a793 | 702 | args.prefix = prefix; |
bc40dfb1 | 703 | string_list_init_dup(&args.extra_files); |
7b97730b | 704 | argc = parse_archive_args(argc, argv, &ar, &args, name_hint, remote); |
eb0224c6 | 705 | if (!startup_info->have_repository) { |
23212862 JK |
706 | /* |
707 | * We know this will die() with an error, so we could just | |
708 | * die ourselves; but its error message will be more specific | |
709 | * than what we could write here. | |
710 | */ | |
711 | setup_git_directory(); | |
712 | } | |
6e94e683 | 713 | |
ee27ca4a | 714 | parse_treeish_arg(argv, &args, prefix, remote); |
6e94e683 RS |
715 | parse_pathspec_arg(argv + 1, &args); |
716 | ||
2947a793 RS |
717 | rc = ar->write_archive(ar, &args); |
718 | ||
719 | string_list_clear_func(&args.extra_files, extra_file_info_clear); | |
1c3e4129 | 720 | free(args.refname); |
7615cf94 | 721 | clear_pathspec(&args.pathspec); |
2947a793 RS |
722 | |
723 | return rc; | |
6e94e683 | 724 | } |
56baa61d | 725 | |
08716b3c JK |
726 | static int match_extension(const char *filename, const char *ext) |
727 | { | |
728 | int prefixlen = strlen(filename) - strlen(ext); | |
729 | ||
730 | /* | |
731 | * We need 1 character for the '.', and 1 character to ensure that the | |
732 | * prefix is non-empty (k.e., we don't match .tar.gz with no actual | |
733 | * filename). | |
734 | */ | |
b1cdfb54 | 735 | if (prefixlen < 2 || filename[prefixlen - 1] != '.') |
08716b3c JK |
736 | return 0; |
737 | return !strcmp(filename + prefixlen, ext); | |
738 | } | |
739 | ||
56baa61d JK |
740 | const char *archive_format_from_filename(const char *filename) |
741 | { | |
08716b3c JK |
742 | int i; |
743 | ||
744 | for (i = 0; i < nr_archivers; i++) | |
745 | if (match_extension(filename, archivers[i]->name)) | |
746 | return archivers[i]->name; | |
56baa61d JK |
747 | return NULL; |
748 | } |