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Commit | Line | Data |
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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" |
4fac1d3a RS |
12 | |
13 | static char const * const archive_usage[] = { | |
9c9b4f2f | 14 | N_("git archive [<options>] <tree-ish> [<path>...]"), |
959d670d | 15 | "git archive --list", |
9c9b4f2f | 16 | N_("git archive --remote <repo> [--exec <cmd>] [<options>] <tree-ish> [<path>...]"), |
0012a387 | 17 | N_("git archive --remote <repo> [--exec <cmd>] --list"), |
4fac1d3a RS |
18 | NULL |
19 | }; | |
c0885435 | 20 | |
13e0f88d JK |
21 | static const struct archiver **archivers; |
22 | static int nr_archivers; | |
23 | static int alloc_archivers; | |
7671b632 | 24 | static int remote_allow_unreachable; |
13e0f88d JK |
25 | |
26 | void register_archiver(struct archiver *ar) | |
27 | { | |
28 | ALLOC_GROW(archivers, nr_archivers + 1, alloc_archivers); | |
29 | archivers[nr_archivers++] = ar; | |
30 | } | |
c0885435 | 31 | |
00436bf1 JS |
32 | void init_archivers(void) |
33 | { | |
34 | init_tar_archiver(); | |
35 | init_zip_archiver(); | |
36 | } | |
37 | ||
18125644 | 38 | static void format_subst(const struct commit *commit, |
ec36c42a | 39 | const char *src, size_t len, |
96099726 | 40 | struct strbuf *buf, struct pretty_print_context *ctx) |
18125644 LH |
41 | { |
42 | char *to_free = NULL; | |
f285a2d7 | 43 | struct strbuf fmt = STRBUF_INIT; |
18125644 LH |
44 | |
45 | if (src == buf->buf) | |
46 | to_free = strbuf_detach(buf, NULL); | |
18125644 LH |
47 | for (;;) { |
48 | const char *b, *c; | |
49 | ||
50 | b = memmem(src, len, "$Format:", 8); | |
75b7dfbd | 51 | if (!b) |
18125644 | 52 | break; |
75b7dfbd | 53 | c = memchr(b + 8, '$', (src + len) - b - 8); |
18125644 LH |
54 | if (!c) |
55 | break; | |
56 | ||
57 | strbuf_reset(&fmt); | |
58 | strbuf_add(&fmt, b + 8, c - b - 8); | |
59 | ||
60 | strbuf_add(buf, src, b - src); | |
96099726 | 61 | format_commit_message(commit, fmt.buf, buf, ctx); |
18125644 LH |
62 | len -= c + 1 - src; |
63 | src = c + 1; | |
64 | } | |
65 | strbuf_add(buf, src, len); | |
66 | strbuf_release(&fmt); | |
67 | free(to_free); | |
68 | } | |
69 | ||
200589ab RS |
70 | static void *object_file_to_archive(const struct archiver_args *args, |
71 | const char *path, | |
72 | const struct object_id *oid, | |
73 | unsigned int mode, | |
74 | enum object_type *type, | |
75 | unsigned long *sizep) | |
18125644 LH |
76 | { |
77 | void *buffer; | |
9cb513b7 | 78 | const struct commit *commit = args->convert ? args->commit : NULL; |
c397aac0 | 79 | struct checkout_metadata meta; |
80 | ||
81 | init_checkout_metadata(&meta, args->refname, | |
82 | args->commit_oid ? args->commit_oid : | |
83 | (args->tree ? &args->tree->object.oid : NULL), oid); | |
18125644 | 84 | |
9cb513b7 | 85 | path += args->baselen; |
b4f5aca4 | 86 | buffer = read_object_file(oid, type, sizep); |
18125644 | 87 | if (buffer && S_ISREG(mode)) { |
f285a2d7 | 88 | struct strbuf buf = STRBUF_INIT; |
18125644 LH |
89 | size_t size = 0; |
90 | ||
18125644 | 91 | strbuf_attach(&buf, buffer, *sizep, *sizep + 1); |
c397aac0 | 92 | convert_to_working_tree(args->repo->index, path, buf.buf, buf.len, &buf, &meta); |
1d11d5bb | 93 | if (commit) |
96099726 | 94 | format_subst(commit, buf.buf, buf.len, &buf, args->pretty_ctx); |
18125644 LH |
95 | buffer = strbuf_detach(&buf, &size); |
96 | *sizep = size; | |
97 | } | |
98 | ||
99 | return buffer; | |
100 | } | |
101 | ||
ed22b417 NTND |
102 | struct directory { |
103 | struct directory *up; | |
13609673 | 104 | struct object_id oid; |
ed22b417 NTND |
105 | int baselen, len; |
106 | unsigned mode; | |
ed22b417 NTND |
107 | char path[FLEX_ARRAY]; |
108 | }; | |
109 | ||
562e25ab RS |
110 | struct archiver_context { |
111 | struct archiver_args *args; | |
112 | write_archive_entry_fn_t write_entry; | |
ed22b417 | 113 | struct directory *bottom; |
562e25ab RS |
114 | }; |
115 | ||
b612ee20 NTND |
116 | static const struct attr_check *get_archive_attrs(struct index_state *istate, |
117 | const char *path) | |
c6c08f7e RS |
118 | { |
119 | static struct attr_check *check; | |
120 | if (!check) | |
121 | check = attr_check_initl("export-ignore", "export-subst", NULL); | |
d64324cb TB |
122 | git_check_attr(istate, path, check); |
123 | return check; | |
c6c08f7e RS |
124 | } |
125 | ||
126 | static int check_attr_export_ignore(const struct attr_check *check) | |
127 | { | |
128 | return check && ATTR_TRUE(check->items[0].value); | |
129 | } | |
130 | ||
131 | static int check_attr_export_subst(const struct attr_check *check) | |
132 | { | |
133 | return check && ATTR_TRUE(check->items[1].value); | |
134 | } | |
135 | ||
015ff4f8 | 136 | static int write_archive_entry(const struct object_id *oid, const char *base, |
7367d882 | 137 | int baselen, const char *filename, unsigned mode, |
562e25ab RS |
138 | void *context) |
139 | { | |
140 | static struct strbuf path = STRBUF_INIT; | |
141 | struct archiver_context *c = context; | |
142 | struct archiver_args *args = c->args; | |
143 | write_archive_entry_fn_t write_entry = c->write_entry; | |
144 | int err; | |
5ff247ac | 145 | const char *path_without_prefix; |
200589ab RS |
146 | unsigned long size; |
147 | void *buffer; | |
148 | enum object_type type; | |
562e25ab | 149 | |
9cb513b7 | 150 | args->convert = 0; |
562e25ab RS |
151 | strbuf_reset(&path); |
152 | strbuf_grow(&path, PATH_MAX); | |
ebfbdb34 | 153 | strbuf_add(&path, args->base, args->baselen); |
562e25ab RS |
154 | strbuf_add(&path, base, baselen); |
155 | strbuf_addstr(&path, filename); | |
94bc671a JNA |
156 | if (S_ISDIR(mode) || S_ISGITLINK(mode)) |
157 | strbuf_addch(&path, '/'); | |
1d11d5bb | 158 | path_without_prefix = path.buf + args->baselen; |
562e25ab | 159 | |
43180940 | 160 | if (!S_ISDIR(mode)) { |
5ff247ac | 161 | const struct attr_check *check; |
b612ee20 | 162 | check = get_archive_attrs(args->repo->index, path_without_prefix); |
5ff247ac | 163 | if (check_attr_export_ignore(check)) |
1d11d5bb | 164 | return 0; |
5ff247ac | 165 | args->convert = check_attr_export_subst(check); |
1d11d5bb | 166 | } |
562e25ab RS |
167 | |
168 | if (S_ISDIR(mode) || S_ISGITLINK(mode)) { | |
562e25ab RS |
169 | if (args->verbose) |
170 | fprintf(stderr, "%.*s\n", (int)path.len, path.buf); | |
200589ab | 171 | err = write_entry(args, oid, path.buf, path.len, mode, NULL, 0); |
562e25ab RS |
172 | if (err) |
173 | return err; | |
d3bee161 | 174 | return (S_ISDIR(mode) ? READ_TREE_RECURSIVE : 0); |
562e25ab RS |
175 | } |
176 | ||
562e25ab RS |
177 | if (args->verbose) |
178 | fprintf(stderr, "%.*s\n", (int)path.len, path.buf); | |
200589ab RS |
179 | |
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; | |
266 | }; | |
267 | ||
562e25ab RS |
268 | int write_archive_entries(struct archiver_args *args, |
269 | write_archive_entry_fn_t write_entry) | |
270 | { | |
271 | struct archiver_context context; | |
ba053ea9 NTND |
272 | struct unpack_trees_options opts; |
273 | struct tree_desc t; | |
562e25ab | 274 | int err; |
2947a793 RS |
275 | struct strbuf path_in_archive = STRBUF_INIT; |
276 | struct strbuf content = STRBUF_INIT; | |
14228447 | 277 | struct object_id fake_oid; |
2947a793 | 278 | int i; |
562e25ab | 279 | |
14228447 | 280 | oidcpy(&fake_oid, null_oid()); |
281 | ||
562e25ab RS |
282 | if (args->baselen > 0 && args->base[args->baselen - 1] == '/') { |
283 | size_t len = args->baselen; | |
284 | ||
285 | while (len > 1 && args->base[len - 2] == '/') | |
286 | len--; | |
287 | if (args->verbose) | |
288 | fprintf(stderr, "%.*s\n", (int)len, args->base); | |
015ff4f8 | 289 | err = write_entry(args, &args->tree->object.oid, args->base, |
200589ab | 290 | len, 040777, NULL, 0); |
562e25ab RS |
291 | if (err) |
292 | return err; | |
293 | } | |
294 | ||
ed22b417 | 295 | memset(&context, 0, sizeof(context)); |
562e25ab RS |
296 | context.args = args; |
297 | context.write_entry = write_entry; | |
298 | ||
ba053ea9 NTND |
299 | /* |
300 | * Setup index and instruct attr to read index only | |
301 | */ | |
302 | if (!args->worktree_attributes) { | |
303 | memset(&opts, 0, sizeof(opts)); | |
304 | opts.index_only = 1; | |
305 | opts.head_idx = -1; | |
b612ee20 NTND |
306 | opts.src_index = args->repo->index; |
307 | opts.dst_index = args->repo->index; | |
ba053ea9 NTND |
308 | opts.fn = oneway_merge; |
309 | init_tree_desc(&t, args->tree->buffer, args->tree->size); | |
310 | if (unpack_trees(1, &t, &opts)) | |
311 | return -1; | |
c4500e25 | 312 | git_attr_set_direction(GIT_ATTR_INDEX); |
ba053ea9 NTND |
313 | } |
314 | ||
47957485 ÆAB |
315 | err = read_tree(args->repo, args->tree, |
316 | &args->pathspec, | |
317 | queue_or_write_archive_entry, | |
318 | &context); | |
562e25ab RS |
319 | if (err == READ_TREE_RECURSIVE) |
320 | err = 0; | |
ed22b417 NTND |
321 | while (context.bottom) { |
322 | struct directory *next = context.bottom->up; | |
323 | free(context.bottom); | |
324 | context.bottom = next; | |
325 | } | |
2947a793 RS |
326 | |
327 | for (i = 0; i < args->extra_files.nr; i++) { | |
328 | struct string_list_item *item = args->extra_files.items + i; | |
329 | char *path = item->string; | |
330 | struct extra_file_info *info = item->util; | |
331 | ||
332 | put_be64(fake_oid.hash, i + 1); | |
333 | ||
334 | strbuf_reset(&path_in_archive); | |
335 | if (info->base) | |
336 | strbuf_addstr(&path_in_archive, info->base); | |
337 | strbuf_addstr(&path_in_archive, basename(path)); | |
338 | ||
339 | strbuf_reset(&content); | |
340 | if (strbuf_read_file(&content, path, info->stat.st_size) < 0) | |
c4904377 | 341 | err = error_errno(_("cannot read '%s'"), path); |
2947a793 RS |
342 | else |
343 | err = write_entry(args, &fake_oid, path_in_archive.buf, | |
344 | path_in_archive.len, | |
345 | info->stat.st_mode, | |
346 | content.buf, content.len); | |
347 | if (err) | |
348 | break; | |
349 | } | |
350 | strbuf_release(&path_in_archive); | |
351 | strbuf_release(&content); | |
352 | ||
562e25ab RS |
353 | return err; |
354 | } | |
6e94e683 | 355 | |
c0885435 RS |
356 | static const struct archiver *lookup_archiver(const char *name) |
357 | { | |
358 | int i; | |
359 | ||
4fac1d3a RS |
360 | if (!name) |
361 | return NULL; | |
362 | ||
13e0f88d JK |
363 | for (i = 0; i < nr_archivers; i++) { |
364 | if (!strcmp(name, archivers[i]->name)) | |
365 | return archivers[i]; | |
c0885435 RS |
366 | } |
367 | return NULL; | |
368 | } | |
369 | ||
b612ee20 NTND |
370 | struct path_exists_context { |
371 | struct pathspec pathspec; | |
372 | struct archiver_args *args; | |
373 | }; | |
374 | ||
df46d77e | 375 | static int reject_entry(const struct object_id *oid, struct strbuf *base, |
6a0b0b6d | 376 | const char *filename, unsigned mode, |
7367d882 | 377 | void *context) |
d5f53d6d | 378 | { |
ed22b417 | 379 | int ret = -1; |
b612ee20 NTND |
380 | struct path_exists_context *ctx = context; |
381 | ||
ed22b417 NTND |
382 | if (S_ISDIR(mode)) { |
383 | struct strbuf sb = STRBUF_INIT; | |
6a0b0b6d | 384 | strbuf_addbuf(&sb, base); |
ed22b417 | 385 | strbuf_addstr(&sb, filename); |
b612ee20 NTND |
386 | if (!match_pathspec(ctx->args->repo->index, |
387 | &ctx->pathspec, | |
388 | sb.buf, sb.len, 0, NULL, 1)) | |
ed22b417 NTND |
389 | ret = READ_TREE_RECURSIVE; |
390 | strbuf_release(&sb); | |
391 | } | |
392 | return ret; | |
d5f53d6d RS |
393 | } |
394 | ||
b612ee20 | 395 | static int path_exists(struct archiver_args *args, const char *path) |
d5f53d6d | 396 | { |
f0096c06 | 397 | const char *paths[] = { path, NULL }; |
b612ee20 | 398 | struct path_exists_context ctx; |
f0096c06 NTND |
399 | int ret; |
400 | ||
b612ee20 NTND |
401 | ctx.args = args; |
402 | parse_pathspec(&ctx.pathspec, 0, 0, "", paths); | |
403 | ctx.pathspec.recursive = 1; | |
47957485 ÆAB |
404 | ret = read_tree(args->repo, args->tree, |
405 | &ctx.pathspec, | |
406 | reject_entry, &ctx); | |
b612ee20 | 407 | clear_pathspec(&ctx.pathspec); |
f0096c06 | 408 | return ret != 0; |
d5f53d6d RS |
409 | } |
410 | ||
c0885435 RS |
411 | static void parse_pathspec_arg(const char **pathspec, |
412 | struct archiver_args *ar_args) | |
413 | { | |
f3e743a0 NTND |
414 | /* |
415 | * must be consistent with parse_pathspec in path_exists() | |
416 | * Also if pathspec patterns are dependent, we're in big | |
417 | * trouble as we test each one separately | |
418 | */ | |
419 | parse_pathspec(&ar_args->pathspec, 0, | |
420 | PATHSPEC_PREFER_FULL, | |
421 | "", pathspec); | |
ed22b417 | 422 | ar_args->pathspec.recursive = 1; |
d5f53d6d RS |
423 | if (pathspec) { |
424 | while (*pathspec) { | |
b612ee20 | 425 | if (**pathspec && !path_exists(ar_args, *pathspec)) |
f3e743a0 | 426 | die(_("pathspec '%s' did not match any files"), *pathspec); |
d5f53d6d RS |
427 | pathspec++; |
428 | } | |
429 | } | |
c0885435 RS |
430 | } |
431 | ||
432 | static void parse_treeish_arg(const char **argv, | |
ee27ca4a JK |
433 | struct archiver_args *ar_args, const char *prefix, |
434 | int remote) | |
c0885435 RS |
435 | { |
436 | const char *name = argv[0]; | |
bbf05cf7 | 437 | const struct object_id *commit_oid; |
c0885435 RS |
438 | time_t archive_time; |
439 | struct tree *tree; | |
440 | const struct commit *commit; | |
13609673 | 441 | struct object_id oid; |
c397aac0 | 442 | char *ref = NULL; |
c0885435 | 443 | |
ee27ca4a | 444 | /* Remotes are only allowed to fetch actual refs */ |
7671b632 | 445 | if (remote && !remote_allow_unreachable) { |
2c5495f7 RM |
446 | const char *colon = strchrnul(name, ':'); |
447 | int refnamelen = colon - name; | |
c51a351a | 448 | |
f24c30e0 | 449 | if (!dwim_ref(name, refnamelen, &oid, &ref, 0)) |
c6e7965d | 450 | die(_("no such ref: %.*s"), refnamelen, name); |
c397aac0 | 451 | } else { |
f24c30e0 | 452 | dwim_ref(name, strlen(name), &oid, &ref, 0); |
ee27ca4a | 453 | } |
0f544ee8 | 454 | |
e82caf38 | 455 | if (get_oid(name, &oid)) |
c6e7965d | 456 | die(_("not a valid object name: %s"), name); |
c0885435 | 457 | |
ce3a7ec8 | 458 | commit = lookup_commit_reference_gently(ar_args->repo, &oid, 1); |
c0885435 | 459 | if (commit) { |
bbf05cf7 | 460 | commit_oid = &commit->object.oid; |
c0885435 RS |
461 | archive_time = commit->date; |
462 | } else { | |
bbf05cf7 | 463 | commit_oid = NULL; |
c0885435 RS |
464 | archive_time = time(NULL); |
465 | } | |
466 | ||
a9dbc179 | 467 | tree = parse_tree_indirect(&oid); |
c0885435 | 468 | if (tree == NULL) |
c6e7965d | 469 | die(_("not a tree object: %s"), oid_to_hex(&oid)); |
c0885435 RS |
470 | |
471 | if (prefix) { | |
13609673 | 472 | struct object_id tree_oid; |
5ec1e728 | 473 | unsigned short mode; |
c0885435 RS |
474 | int err; |
475 | ||
50ddb089 NTND |
476 | err = get_tree_entry(ar_args->repo, |
477 | &tree->object.oid, | |
478 | prefix, &tree_oid, | |
916bc35b | 479 | &mode); |
c0885435 | 480 | if (err || !S_ISDIR(mode)) |
c6e7965d | 481 | die(_("current working directory is untracked")); |
c0885435 | 482 | |
a9dbc179 | 483 | tree = parse_tree_indirect(&tree_oid); |
c0885435 | 484 | } |
c397aac0 | 485 | ar_args->refname = ref; |
c0885435 | 486 | ar_args->tree = tree; |
bbf05cf7 | 487 | ar_args->commit_oid = commit_oid; |
c0885435 RS |
488 | ar_args->commit = commit; |
489 | ar_args->time = archive_time; | |
490 | } | |
491 | ||
2947a793 RS |
492 | static void extra_file_info_clear(void *util, const char *str) |
493 | { | |
494 | struct extra_file_info *info = util; | |
495 | free(info->base); | |
496 | free(info); | |
497 | } | |
498 | ||
499 | static int add_file_cb(const struct option *opt, const char *arg, int unset) | |
500 | { | |
501 | struct archiver_args *args = opt->value; | |
502 | const char **basep = (const char **)opt->defval; | |
503 | const char *base = *basep; | |
504 | char *path; | |
505 | struct string_list_item *item; | |
506 | struct extra_file_info *info; | |
507 | ||
508 | if (unset) { | |
509 | string_list_clear_func(&args->extra_files, | |
510 | extra_file_info_clear); | |
511 | return 0; | |
512 | } | |
513 | ||
514 | if (!arg) | |
515 | return -1; | |
516 | ||
517 | path = prefix_filename(args->prefix, arg); | |
518 | item = string_list_append_nodup(&args->extra_files, path); | |
519 | item->util = info = xmalloc(sizeof(*info)); | |
520 | info->base = xstrdup_or_null(base); | |
521 | if (stat(path, &info->stat)) | |
522 | die(_("File not found: %s"), path); | |
523 | if (!S_ISREG(info->stat.st_mode)) | |
524 | die(_("Not a regular file: %s"), path); | |
525 | return 0; | |
526 | } | |
527 | ||
cde8ea9c RS |
528 | static int number_callback(const struct option *opt, const char *arg, int unset) |
529 | { | |
530 | BUG_ON_OPT_NEG(unset); | |
531 | *(int *)opt->value = strtol(arg, NULL, 10); | |
532 | return 0; | |
533 | } | |
4fac1d3a | 534 | |
c0885435 | 535 | static int parse_archive_args(int argc, const char **argv, |
56baa61d | 536 | const struct archiver **ar, struct archiver_args *args, |
7b97730b | 537 | const char *name_hint, int is_remote) |
c0885435 | 538 | { |
56baa61d | 539 | const char *format = NULL; |
4fac1d3a RS |
540 | const char *base = NULL; |
541 | const char *remote = NULL; | |
542 | const char *exec = NULL; | |
aec0c1bb | 543 | const char *output = NULL; |
c0885435 RS |
544 | int compression_level = -1; |
545 | int verbose = 0; | |
546 | int i; | |
4fac1d3a | 547 | int list = 0; |
ba053ea9 | 548 | int worktree_attributes = 0; |
4fac1d3a RS |
549 | struct option opts[] = { |
550 | OPT_GROUP(""), | |
0012a387 NTND |
551 | OPT_STRING(0, "format", &format, N_("fmt"), N_("archive format")), |
552 | OPT_STRING(0, "prefix", &base, N_("prefix"), | |
553 | N_("prepend prefix to each pathname in the archive")), | |
2947a793 RS |
554 | { OPTION_CALLBACK, 0, "add-file", args, N_("file"), |
555 | N_("add untracked file to archive"), 0, add_file_cb, | |
556 | (intptr_t)&base }, | |
0012a387 NTND |
557 | OPT_STRING('o', "output", &output, N_("file"), |
558 | N_("write the archive to this file")), | |
f858c646 | 559 | OPT_BOOL(0, "worktree-attributes", &worktree_attributes, |
0012a387 NTND |
560 | N_("read .gitattributes in working directory")), |
561 | OPT__VERBOSE(&verbose, N_("report archived files on stderr")), | |
cde8ea9c RS |
562 | OPT_NUMBER_CALLBACK(&compression_level, |
563 | N_("set compression level"), number_callback), | |
4fac1d3a | 564 | OPT_GROUP(""), |
f858c646 | 565 | OPT_BOOL('l', "list", &list, |
0012a387 | 566 | N_("list supported archive formats")), |
4fac1d3a | 567 | OPT_GROUP(""), |
0012a387 NTND |
568 | OPT_STRING(0, "remote", &remote, N_("repo"), |
569 | N_("retrieve the archive from remote repository <repo>")), | |
b0ff9654 | 570 | OPT_STRING(0, "exec", &exec, N_("command"), |
0012a387 | 571 | N_("path to the remote git-upload-archive command")), |
4fac1d3a RS |
572 | OPT_END() |
573 | }; | |
574 | ||
37782920 | 575 | argc = parse_options(argc, argv, NULL, opts, archive_usage, 0); |
4fac1d3a RS |
576 | |
577 | if (remote) | |
5a36d00c | 578 | die(_("Unexpected option --remote")); |
4fac1d3a | 579 | if (exec) |
6fa00ee8 | 580 | die(_("the option '%s' requires '%s'"), "--exec", "--remote"); |
52e77876 | 581 | if (output) |
5a36d00c | 582 | die(_("Unexpected option --output")); |
2947a793 | 583 | if (is_remote && args->extra_files.nr) |
12909b6b | 584 | die(_("options '%s' and '%s' cannot be used together"), "--add-file", "--remote"); |
4fac1d3a RS |
585 | |
586 | if (!base) | |
587 | base = ""; | |
588 | ||
589 | if (list) { | |
13e0f88d | 590 | for (i = 0; i < nr_archivers; i++) |
7b97730b JK |
591 | if (!is_remote || archivers[i]->flags & ARCHIVER_REMOTE) |
592 | printf("%s\n", archivers[i]->name); | |
4fac1d3a | 593 | exit(0); |
c0885435 RS |
594 | } |
595 | ||
56baa61d JK |
596 | if (!format && name_hint) |
597 | format = archive_format_from_filename(name_hint); | |
598 | if (!format) | |
599 | format = "tar"; | |
600 | ||
c0885435 | 601 | /* We need at least one parameter -- tree-ish */ |
4fac1d3a RS |
602 | if (argc < 1) |
603 | usage_with_options(archive_usage, opts); | |
c0885435 | 604 | *ar = lookup_archiver(format); |
7b97730b | 605 | if (!*ar || (is_remote && !((*ar)->flags & ARCHIVER_REMOTE))) |
5a36d00c | 606 | die(_("Unknown archive format '%s'"), format); |
c0885435 RS |
607 | |
608 | args->compression_level = Z_DEFAULT_COMPRESSION; | |
609 | if (compression_level != -1) { | |
cde8ea9c RS |
610 | int levels_ok = (*ar)->flags & ARCHIVER_WANT_COMPRESSION_LEVELS; |
611 | int high_ok = (*ar)->flags & ARCHIVER_HIGH_COMPRESSION_LEVELS; | |
612 | if (levels_ok && (compression_level <= 9 || high_ok)) | |
c0885435 RS |
613 | args->compression_level = compression_level; |
614 | else { | |
5a36d00c | 615 | die(_("Argument not supported for format '%s': -%d"), |
c0885435 RS |
616 | format, compression_level); |
617 | } | |
618 | } | |
619 | args->verbose = verbose; | |
620 | args->base = base; | |
621 | args->baselen = strlen(base); | |
ba053ea9 | 622 | args->worktree_attributes = worktree_attributes; |
c0885435 | 623 | |
4fac1d3a | 624 | return argc; |
c0885435 RS |
625 | } |
626 | ||
6e94e683 | 627 | int write_archive(int argc, const char **argv, const char *prefix, |
b612ee20 | 628 | struct repository *repo, |
eb0224c6 | 629 | const char *name_hint, int remote) |
6e94e683 RS |
630 | { |
631 | const struct archiver *ar = NULL; | |
96099726 RS |
632 | struct pretty_print_describe_status describe_status = {0}; |
633 | struct pretty_print_context ctx = {0}; | |
6e94e683 | 634 | struct archiver_args args; |
2947a793 | 635 | int rc; |
6e94e683 | 636 | |
95790ff6 TA |
637 | git_config_get_bool("uploadarchive.allowunreachable", &remote_allow_unreachable); |
638 | git_config(git_default_config, NULL); | |
639 | ||
96099726 RS |
640 | describe_status.max_invocations = 1; |
641 | ctx.date_mode.type = DATE_NORMAL; | |
642 | ctx.abbrev = DEFAULT_ABBREV; | |
643 | ctx.describe_status = &describe_status; | |
644 | args.pretty_ctx = &ctx; | |
b612ee20 | 645 | args.repo = repo; |
2947a793 | 646 | args.prefix = prefix; |
bc40dfb1 | 647 | string_list_init_dup(&args.extra_files); |
7b97730b | 648 | argc = parse_archive_args(argc, argv, &ar, &args, name_hint, remote); |
eb0224c6 | 649 | if (!startup_info->have_repository) { |
23212862 JK |
650 | /* |
651 | * We know this will die() with an error, so we could just | |
652 | * die ourselves; but its error message will be more specific | |
653 | * than what we could write here. | |
654 | */ | |
655 | setup_git_directory(); | |
656 | } | |
6e94e683 | 657 | |
ee27ca4a | 658 | parse_treeish_arg(argv, &args, prefix, remote); |
6e94e683 RS |
659 | parse_pathspec_arg(argv + 1, &args); |
660 | ||
2947a793 RS |
661 | rc = ar->write_archive(ar, &args); |
662 | ||
663 | string_list_clear_func(&args.extra_files, extra_file_info_clear); | |
1c3e4129 | 664 | free(args.refname); |
2947a793 RS |
665 | |
666 | return rc; | |
6e94e683 | 667 | } |
56baa61d | 668 | |
08716b3c JK |
669 | static int match_extension(const char *filename, const char *ext) |
670 | { | |
671 | int prefixlen = strlen(filename) - strlen(ext); | |
672 | ||
673 | /* | |
674 | * We need 1 character for the '.', and 1 character to ensure that the | |
675 | * prefix is non-empty (k.e., we don't match .tar.gz with no actual | |
676 | * filename). | |
677 | */ | |
b1cdfb54 | 678 | if (prefixlen < 2 || filename[prefixlen - 1] != '.') |
08716b3c JK |
679 | return 0; |
680 | return !strcmp(filename + prefixlen, ext); | |
681 | } | |
682 | ||
56baa61d JK |
683 | const char *archive_format_from_filename(const char *filename) |
684 | { | |
08716b3c JK |
685 | int i; |
686 | ||
687 | for (i = 0; i < nr_archivers; i++) | |
688 | if (match_extension(filename, archivers[i]->name)) | |
689 | return archivers[i]->name; | |
56baa61d JK |
690 | return NULL; |
691 | } |