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Commit | Line | Data |
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8434c2f1 DB |
1 | /* |
2 | * Builtin "git clone" | |
3 | * | |
4 | * Copyright (c) 2007 Kristian Høgsberg <krh@redhat.com>, | |
5 | * 2008 Daniel Barkalow <barkalow@iabervon.org> | |
6 | * Based on git-commit.sh by Junio C Hamano and Linus Torvalds | |
7 | * | |
8 | * Clone a repository into a different directory that does not yet exist. | |
9 | */ | |
10 | ||
f8adbec9 | 11 | #define USE_THE_INDEX_COMPATIBILITY_MACROS |
c2e86add | 12 | #include "builtin.h" |
b2141fc1 | 13 | #include "config.h" |
697cc8ef | 14 | #include "lockfile.h" |
8434c2f1 DB |
15 | #include "parse-options.h" |
16 | #include "fetch-pack.h" | |
17 | #include "refs.h" | |
ec0cb496 | 18 | #include "refspec.h" |
cbd53a21 | 19 | #include "object-store.h" |
8434c2f1 DB |
20 | #include "tree.h" |
21 | #include "tree-walk.h" | |
22 | #include "unpack-trees.h" | |
23 | #include "transport.h" | |
24 | #include "strbuf.h" | |
25 | #include "dir.h" | |
ff7ccc8c MT |
26 | #include "dir-iterator.h" |
27 | #include "iterator.h" | |
4a16d072 | 28 | #include "sigchain.h" |
a9f2c136 | 29 | #include "branch.h" |
8ef51733 | 30 | #include "remote.h" |
dfa7a6c5 | 31 | #include "run-command.h" |
0433ad12 | 32 | #include "connected.h" |
3836d88a | 33 | #include "packfile.h" |
548719fb | 34 | #include "list-objects-filter-options.h" |
8434c2f1 DB |
35 | |
36 | /* | |
37 | * Overall FIXMEs: | |
38 | * - respect DB_ENVIRONMENT for .git/objects. | |
39 | * | |
40 | * Implementation notes: | |
41 | * - dropping use-separate-remote and no-separate-remote compatibility | |
42 | * | |
43 | */ | |
44 | static const char * const builtin_clone_usage[] = { | |
9c9b4f2f | 45 | N_("git clone [<options>] [--] <repo> [<dir>]"), |
8434c2f1 DB |
46 | NULL |
47 | }; | |
48 | ||
3e6e0edd | 49 | static int option_no_checkout, option_bare, option_mirror, option_single_branch = -1; |
bb62e0a9 | 50 | static int option_local = -1, option_no_hardlinks, option_shared; |
0dab2468 | 51 | static int option_no_tags; |
18a74a09 | 52 | static int option_shallow_submodules; |
994c2aaf NTND |
53 | static int deepen; |
54 | static char *option_template, *option_depth, *option_since; | |
8434c2f1 | 55 | static char *option_origin = NULL; |
7a4ee28f | 56 | static char *option_branch = NULL; |
859e5df9 | 57 | static struct string_list option_not = STRING_LIST_INIT_NODUP; |
b57fb80a | 58 | static const char *real_git_dir; |
8434c2f1 | 59 | static char *option_upload_pack = "git-upload-pack"; |
5bd631b3 | 60 | static int option_verbosity; |
01fdc21f | 61 | static int option_progress = -1; |
c915f11e | 62 | static enum transport_family family; |
2721ce21 | 63 | static struct string_list option_config = STRING_LIST_INIT_NODUP; |
5e40800d | 64 | static struct string_list option_required_reference = STRING_LIST_INIT_NODUP; |
f7415b4d | 65 | static struct string_list option_optional_reference = STRING_LIST_INIT_NODUP; |
fb1d6dab | 66 | static int option_dissociate; |
72290d6a | 67 | static int max_jobs = -1; |
bb62e0a9 | 68 | static struct string_list option_recurse_submodules = STRING_LIST_INIT_NODUP; |
548719fb | 69 | static struct list_objects_filter_options filter_options; |
6e983059 | 70 | static struct string_list server_options = STRING_LIST_INIT_NODUP; |
4c691016 | 71 | static int option_remote_submodules; |
bb62e0a9 BW |
72 | |
73 | static int recurse_submodules_cb(const struct option *opt, | |
74 | const char *arg, int unset) | |
75 | { | |
76 | if (unset) | |
77 | string_list_clear((struct string_list *)opt->value, 0); | |
78 | else if (arg) | |
79 | string_list_append((struct string_list *)opt->value, arg); | |
80 | else | |
81 | string_list_append((struct string_list *)opt->value, | |
82 | (const char *)opt->defval); | |
83 | ||
84 | return 0; | |
85 | } | |
dbc92b07 | 86 | |
8434c2f1 | 87 | static struct option builtin_clone_options[] = { |
5bd631b3 | 88 | OPT__VERBOSITY(&option_verbosity), |
01fdc21f | 89 | OPT_BOOL(0, "progress", &option_progress, |
32b77add | 90 | N_("force progress reporting")), |
d5d09d47 SB |
91 | OPT_BOOL('n', "no-checkout", &option_no_checkout, |
92 | N_("don't create a checkout")), | |
4741edd5 SB |
93 | OPT_BOOL(0, "bare", &option_bare, N_("create a bare repository")), |
94 | OPT_HIDDEN_BOOL(0, "naked", &option_bare, | |
95 | N_("create a bare repository")), | |
d5d09d47 SB |
96 | OPT_BOOL(0, "mirror", &option_mirror, |
97 | N_("create a mirror repository (implies bare)")), | |
189260b1 | 98 | OPT_BOOL('l', "local", &option_local, |
32b77add | 99 | N_("to clone from a local repository")), |
d5d09d47 | 100 | OPT_BOOL(0, "no-hardlinks", &option_no_hardlinks, |
32b77add | 101 | N_("don't use local hardlinks, always copy")), |
d5d09d47 | 102 | OPT_BOOL('s', "shared", &option_shared, |
32b77add | 103 | N_("setup as shared repository")), |
5c387428 | 104 | OPT_ALIAS(0, "recursive", "recurse-submodules"), |
bb62e0a9 BW |
105 | { OPTION_CALLBACK, 0, "recurse-submodules", &option_recurse_submodules, |
106 | N_("pathspec"), N_("initialize submodules in the clone"), | |
107 | PARSE_OPT_OPTARG, recurse_submodules_cb, (intptr_t)"." }, | |
72290d6a SB |
108 | OPT_INTEGER('j', "jobs", &max_jobs, |
109 | N_("number of submodules cloned in parallel")), | |
32b77add NTND |
110 | OPT_STRING(0, "template", &option_template, N_("template-directory"), |
111 | N_("directory from which templates will be used")), | |
5e40800d | 112 | OPT_STRING_LIST(0, "reference", &option_required_reference, N_("repo"), |
8ade009c | 113 | N_("reference repository")), |
f7415b4d SB |
114 | OPT_STRING_LIST(0, "reference-if-able", &option_optional_reference, |
115 | N_("repo"), N_("reference repository")), | |
14f8b9b4 JK |
116 | OPT_BOOL(0, "dissociate", &option_dissociate, |
117 | N_("use --reference only while cloning")), | |
32b77add NTND |
118 | OPT_STRING('o', "origin", &option_origin, N_("name"), |
119 | N_("use <name> instead of 'origin' to track upstream")), | |
120 | OPT_STRING('b', "branch", &option_branch, N_("branch"), | |
121 | N_("checkout <branch> instead of the remote's HEAD")), | |
122 | OPT_STRING('u', "upload-pack", &option_upload_pack, N_("path"), | |
123 | N_("path to git-upload-pack on the remote")), | |
124 | OPT_STRING(0, "depth", &option_depth, N_("depth"), | |
125 | N_("create a shallow clone of that depth")), | |
994c2aaf NTND |
126 | OPT_STRING(0, "shallow-since", &option_since, N_("time"), |
127 | N_("create a shallow clone since a specific time")), | |
859e5df9 | 128 | OPT_STRING_LIST(0, "shallow-exclude", &option_not, N_("revision"), |
6d873865 | 129 | N_("deepen history of shallow clone, excluding rev")), |
3e6e0edd | 130 | OPT_BOOL(0, "single-branch", &option_single_branch, |
32b77add | 131 | N_("clone only one branch, HEAD or --branch")), |
0dab2468 ÆAB |
132 | OPT_BOOL(0, "no-tags", &option_no_tags, |
133 | N_("don't clone any tags, and make later fetches not to follow them")), | |
d22eb044 SB |
134 | OPT_BOOL(0, "shallow-submodules", &option_shallow_submodules, |
135 | N_("any cloned submodules will be shallow")), | |
32b77add NTND |
136 | OPT_STRING(0, "separate-git-dir", &real_git_dir, N_("gitdir"), |
137 | N_("separate git dir from working tree")), | |
138 | OPT_STRING_LIST('c', "config", &option_config, N_("key=value"), | |
139 | N_("set config inside the new repository")), | |
6e983059 JT |
140 | OPT_STRING_LIST(0, "server-option", &server_options, |
141 | N_("server-specific"), N_("option to transmit")), | |
c915f11e EW |
142 | OPT_SET_INT('4', "ipv4", &family, N_("use IPv4 addresses only"), |
143 | TRANSPORT_FAMILY_IPV4), | |
144 | OPT_SET_INT('6', "ipv6", &family, N_("use IPv6 addresses only"), | |
145 | TRANSPORT_FAMILY_IPV6), | |
548719fb | 146 | OPT_PARSE_LIST_OBJECTS_FILTER(&filter_options), |
4c691016 BA |
147 | OPT_BOOL(0, "remote-submodules", &option_remote_submodules, |
148 | N_("any cloned submodules will use their remote-tracking branch")), | |
8434c2f1 DB |
149 | OPT_END() |
150 | }; | |
151 | ||
0ea68e42 | 152 | static const char *get_repo_path_1(struct strbuf *path, int *is_bundle) |
8434c2f1 | 153 | { |
b3256eb8 | 154 | static char *suffix[] = { "/.git", "", ".git/.git", ".git" }; |
8434c2f1 | 155 | static char *bundle_suffix[] = { ".bundle", "" }; |
0ea68e42 | 156 | size_t baselen = path->len; |
8434c2f1 DB |
157 | struct stat st; |
158 | int i; | |
159 | ||
160 | for (i = 0; i < ARRAY_SIZE(suffix); i++) { | |
0ea68e42 JK |
161 | strbuf_setlen(path, baselen); |
162 | strbuf_addstr(path, suffix[i]); | |
163 | if (stat(path->buf, &st)) | |
9b0ebc72 | 164 | continue; |
0ea68e42 | 165 | if (S_ISDIR(st.st_mode) && is_git_directory(path->buf)) { |
8434c2f1 | 166 | *is_bundle = 0; |
0ea68e42 | 167 | return path->buf; |
9b0ebc72 NTND |
168 | } else if (S_ISREG(st.st_mode) && st.st_size > 8) { |
169 | /* Is it a "gitfile"? */ | |
170 | char signature[8]; | |
0ea68e42 JK |
171 | const char *dst; |
172 | int len, fd = open(path->buf, O_RDONLY); | |
9b0ebc72 NTND |
173 | if (fd < 0) |
174 | continue; | |
175 | len = read_in_full(fd, signature, 8); | |
176 | close(fd); | |
177 | if (len != 8 || strncmp(signature, "gitdir: ", 8)) | |
178 | continue; | |
0ea68e42 JK |
179 | dst = read_gitfile(path->buf); |
180 | if (dst) { | |
9b0ebc72 | 181 | *is_bundle = 0; |
0ea68e42 | 182 | return dst; |
9b0ebc72 | 183 | } |
8434c2f1 DB |
184 | } |
185 | } | |
186 | ||
187 | for (i = 0; i < ARRAY_SIZE(bundle_suffix); i++) { | |
0ea68e42 JK |
188 | strbuf_setlen(path, baselen); |
189 | strbuf_addstr(path, bundle_suffix[i]); | |
190 | if (!stat(path->buf, &st) && S_ISREG(st.st_mode)) { | |
8434c2f1 | 191 | *is_bundle = 1; |
0ea68e42 | 192 | return path->buf; |
8434c2f1 DB |
193 | } |
194 | } | |
195 | ||
196 | return NULL; | |
197 | } | |
198 | ||
0ea68e42 JK |
199 | static char *get_repo_path(const char *repo, int *is_bundle) |
200 | { | |
201 | struct strbuf path = STRBUF_INIT; | |
202 | const char *raw; | |
203 | char *canon; | |
204 | ||
205 | strbuf_addstr(&path, repo); | |
206 | raw = get_repo_path_1(&path, is_bundle); | |
0aaad415 | 207 | canon = raw ? absolute_pathdup(raw) : NULL; |
0ea68e42 JK |
208 | strbuf_release(&path); |
209 | return canon; | |
210 | } | |
211 | ||
6612f877 | 212 | static char *guess_dir_name(const char *repo, int is_bundle, int is_bare) |
8434c2f1 | 213 | { |
e8959867 | 214 | const char *end = repo + strlen(repo), *start, *ptr; |
7e837c64 | 215 | size_t len; |
8a94bc7b | 216 | char *dir; |
b8c5db35 | 217 | |
e8959867 PS |
218 | /* |
219 | * Skip scheme. | |
220 | */ | |
221 | start = strstr(repo, "://"); | |
222 | if (start == NULL) | |
223 | start = repo; | |
224 | else | |
225 | start += 3; | |
226 | ||
227 | /* | |
228 | * Skip authentication data. The stripping does happen | |
229 | * greedily, such that we strip up to the last '@' inside | |
230 | * the host part. | |
231 | */ | |
232 | for (ptr = start; ptr < end && !is_dir_sep(*ptr); ptr++) { | |
233 | if (*ptr == '@') | |
234 | start = ptr + 1; | |
235 | } | |
236 | ||
b8c5db35 | 237 | /* |
8a94bc7b | 238 | * Strip trailing spaces, slashes and /.git |
b8c5db35 | 239 | */ |
e8959867 | 240 | while (start < end && (is_dir_sep(end[-1]) || isspace(end[-1]))) |
b8c5db35 | 241 | end--; |
e8959867 | 242 | if (end - start > 5 && is_dir_sep(end[-5]) && |
b8c5db35 JS |
243 | !strncmp(end - 4, ".git", 4)) { |
244 | end -= 5; | |
e8959867 | 245 | while (start < end && is_dir_sep(end[-1])) |
b8c5db35 JS |
246 | end--; |
247 | } | |
248 | ||
249 | /* | |
92722efe PS |
250 | * Strip trailing port number if we've got only a |
251 | * hostname (that is, there is no dir separator but a | |
252 | * colon). This check is required such that we do not | |
253 | * strip URI's like '/foo/bar:2222.git', which should | |
254 | * result in a dir '2222' being guessed due to backwards | |
255 | * compatibility. | |
256 | */ | |
257 | if (memchr(start, '/', end - start) == NULL | |
258 | && memchr(start, ':', end - start) != NULL) { | |
259 | ptr = end; | |
260 | while (start < ptr && isdigit(ptr[-1]) && ptr[-1] != ':') | |
261 | ptr--; | |
262 | if (start < ptr && ptr[-1] == ':') | |
263 | end = ptr - 1; | |
264 | } | |
265 | ||
b8c5db35 | 266 | /* |
e8959867 PS |
267 | * Find last component. To remain backwards compatible we |
268 | * also regard colons as path separators, such that | |
269 | * cloning a repository 'foo:bar.git' would result in a | |
270 | * directory 'bar' being guessed. | |
b8c5db35 | 271 | */ |
e8959867 PS |
272 | ptr = end; |
273 | while (start < ptr && !is_dir_sep(ptr[-1]) && ptr[-1] != ':') | |
274 | ptr--; | |
275 | start = ptr; | |
b8c5db35 JS |
276 | |
277 | /* | |
278 | * Strip .{bundle,git}. | |
279 | */ | |
db2e2204 JK |
280 | len = end - start; |
281 | strip_suffix_mem(start, &len, is_bundle ? ".bundle" : ".git"); | |
8434c2f1 | 282 | |
adef9561 | 283 | if (!len || (len == 1 && *start == '/')) |
39ad4f39 NTND |
284 | die(_("No directory name could be guessed.\n" |
285 | "Please specify a directory on the command line")); | |
adef9561 | 286 | |
7e837c64 SS |
287 | if (is_bare) |
288 | dir = xstrfmt("%.*s.git", (int)len, start); | |
289 | else | |
290 | dir = xstrndup(start, len); | |
8a94bc7b AR |
291 | /* |
292 | * Replace sequences of 'control' characters and whitespace | |
293 | * with one ascii space, remove leading and trailing spaces. | |
294 | */ | |
295 | if (*dir) { | |
296 | char *out = dir; | |
297 | int prev_space = 1 /* strip leading whitespace */; | |
298 | for (end = dir; *end; ++end) { | |
299 | char ch = *end; | |
300 | if ((unsigned char)ch < '\x20') | |
301 | ch = '\x20'; | |
302 | if (isspace(ch)) { | |
303 | if (prev_space) | |
304 | continue; | |
305 | prev_space = 1; | |
306 | } else | |
307 | prev_space = 0; | |
308 | *out++ = ch; | |
309 | } | |
310 | *out = '\0'; | |
311 | if (out > dir && prev_space) | |
312 | out[-1] = '\0'; | |
6612f877 | 313 | } |
8a94bc7b | 314 | return dir; |
8434c2f1 DB |
315 | } |
316 | ||
44a68fd5 CB |
317 | static void strip_trailing_slashes(char *dir) |
318 | { | |
319 | char *end = dir + strlen(dir); | |
320 | ||
321 | while (dir < end - 1 && is_dir_sep(end[-1])) | |
322 | end--; | |
323 | *end = '\0'; | |
324 | } | |
325 | ||
dbc92b07 | 326 | static int add_one_reference(struct string_list_item *item, void *cb_data) |
8434c2f1 | 327 | { |
9eeea7d2 | 328 | struct strbuf err = STRBUF_INIT; |
f7415b4d | 329 | int *required = cb_data; |
9eeea7d2 | 330 | char *ref_git = compute_alternate_path(item->string, &err); |
8434c2f1 | 331 | |
f7415b4d SB |
332 | if (!ref_git) { |
333 | if (*required) | |
334 | die("%s", err.buf); | |
335 | else | |
336 | fprintf(stderr, | |
337 | _("info: Could not add alternate for '%s': %s\n"), | |
338 | item->string, err.buf); | |
339 | } else { | |
340 | struct strbuf sb = STRBUF_INIT; | |
341 | strbuf_addf(&sb, "%s/objects", ref_git); | |
342 | add_to_alternates_file(sb.buf); | |
343 | strbuf_release(&sb); | |
344 | } | |
606e435a | 345 | |
9eeea7d2 | 346 | strbuf_release(&err); |
f7415b4d | 347 | free(ref_git); |
dbc92b07 JH |
348 | return 0; |
349 | } | |
8434c2f1 | 350 | |
dbc92b07 JH |
351 | static void setup_reference(void) |
352 | { | |
f7415b4d SB |
353 | int required = 1; |
354 | for_each_string_list(&option_required_reference, | |
355 | add_one_reference, &required); | |
356 | required = 0; | |
357 | for_each_string_list(&option_optional_reference, | |
358 | add_one_reference, &required); | |
8434c2f1 DB |
359 | } |
360 | ||
3c1dce88 | 361 | static void copy_alternates(struct strbuf *src, const char *src_repo) |
e6baf4a1 JH |
362 | { |
363 | /* | |
364 | * Read from the source objects/info/alternates file | |
365 | * and copy the entries to corresponding file in the | |
366 | * destination repository with add_to_alternates_file(). | |
367 | * Both src and dst have "$path/objects/info/alternates". | |
368 | * | |
369 | * Instead of copying bit-for-bit from the original, | |
370 | * we need to append to existing one so that the already | |
371 | * created entry via "clone -s" is not lost, and also | |
372 | * to turn entries with paths relative to the original | |
373 | * absolute, so that they can be used in the new repository. | |
374 | */ | |
02912f47 | 375 | FILE *in = xfopen(src->buf, "r"); |
e6baf4a1 JH |
376 | struct strbuf line = STRBUF_INIT; |
377 | ||
3f163962 | 378 | while (strbuf_getline(&line, in) != EOF) { |
dcf69262 | 379 | char *abs_path; |
e6baf4a1 JH |
380 | if (!line.len || line.buf[0] == '#') |
381 | continue; | |
382 | if (is_absolute_path(line.buf)) { | |
383 | add_to_alternates_file(line.buf); | |
384 | continue; | |
385 | } | |
dcf69262 | 386 | abs_path = mkpathdup("%s/objects/%s", src_repo, line.buf); |
22d3b8de JK |
387 | if (!normalize_path_copy(abs_path, abs_path)) |
388 | add_to_alternates_file(abs_path); | |
389 | else | |
390 | warning("skipping invalid relative alternate: %s/%s", | |
391 | src_repo, line.buf); | |
dcf69262 | 392 | free(abs_path); |
e6baf4a1 JH |
393 | } |
394 | strbuf_release(&line); | |
395 | fclose(in); | |
396 | } | |
397 | ||
14954b79 MT |
398 | static void mkdir_if_missing(const char *pathname, mode_t mode) |
399 | { | |
400 | struct stat st; | |
401 | ||
402 | if (!mkdir(pathname, mode)) | |
403 | return; | |
404 | ||
405 | if (errno != EEXIST) | |
406 | die_errno(_("failed to create directory '%s'"), pathname); | |
407 | else if (stat(pathname, &st)) | |
408 | die_errno(_("failed to stat '%s'"), pathname); | |
409 | else if (!S_ISDIR(st.st_mode)) | |
410 | die(_("%s exists and is not a directory"), pathname); | |
411 | } | |
412 | ||
e6baf4a1 | 413 | static void copy_or_link_directory(struct strbuf *src, struct strbuf *dest, |
ff7ccc8c | 414 | const char *src_repo) |
8434c2f1 | 415 | { |
8434c2f1 | 416 | int src_len, dest_len; |
ff7ccc8c MT |
417 | struct dir_iterator *iter; |
418 | int iter_status; | |
419 | unsigned int flags; | |
8434c2f1 | 420 | |
14954b79 | 421 | mkdir_if_missing(dest->buf, 0777); |
8434c2f1 | 422 | |
ff7ccc8c MT |
423 | flags = DIR_ITERATOR_PEDANTIC | DIR_ITERATOR_FOLLOW_SYMLINKS; |
424 | iter = dir_iterator_begin(src->buf, flags); | |
425 | ||
426 | if (!iter) | |
427 | die_errno(_("failed to start iterator over '%s'"), src->buf); | |
8434c2f1 | 428 | |
b9e125e0 MV |
429 | strbuf_addch(src, '/'); |
430 | src_len = src->len; | |
431 | strbuf_addch(dest, '/'); | |
432 | dest_len = dest->len; | |
8434c2f1 | 433 | |
ff7ccc8c | 434 | while ((iter_status = dir_iterator_advance(iter)) == ITER_OK) { |
b9e125e0 | 435 | strbuf_setlen(src, src_len); |
ff7ccc8c | 436 | strbuf_addstr(src, iter->relative_path); |
b9e125e0 | 437 | strbuf_setlen(dest, dest_len); |
ff7ccc8c MT |
438 | strbuf_addstr(dest, iter->relative_path); |
439 | ||
440 | if (S_ISDIR(iter->st.st_mode)) { | |
441 | mkdir_if_missing(dest->buf, 0777); | |
e6baf4a1 JH |
442 | continue; |
443 | } | |
444 | ||
445 | /* Files that cannot be copied bit-for-bit... */ | |
c4d9c506 | 446 | if (!fspathcmp(iter->relative_path, "info/alternates")) { |
3c1dce88 | 447 | copy_alternates(src, src_repo); |
8434c2f1 DB |
448 | continue; |
449 | } | |
450 | ||
b9e125e0 | 451 | if (unlink(dest->buf) && errno != ENOENT) |
e84d7b74 | 452 | die_errno(_("failed to unlink '%s'"), dest->buf); |
fdabc242 | 453 | if (!option_no_hardlinks) { |
36596fd2 | 454 | if (!link(real_path(src->buf), dest->buf)) |
fdabc242 | 455 | continue; |
189260b1 | 456 | if (option_local > 0) |
e84d7b74 | 457 | die_errno(_("failed to create link '%s'"), dest->buf); |
fdabc242 | 458 | option_no_hardlinks = 1; |
8434c2f1 | 459 | } |
f7835a25 | 460 | if (copy_file_with_time(dest->buf, src->buf, 0666)) |
e84d7b74 | 461 | die_errno(_("failed to copy file to '%s'"), dest->buf); |
8434c2f1 | 462 | } |
ff7ccc8c MT |
463 | |
464 | if (iter_status != ITER_DONE) { | |
465 | strbuf_setlen(src, src_len); | |
466 | die(_("failed to iterate over '%s'"), src->buf); | |
467 | } | |
8434c2f1 DB |
468 | } |
469 | ||
6f48d39f | 470 | static void clone_local(const char *src_repo, const char *dest_repo) |
8434c2f1 | 471 | { |
e6baf4a1 JH |
472 | if (option_shared) { |
473 | struct strbuf alt = STRBUF_INIT; | |
b3b05971 ES |
474 | get_common_dir(&alt, src_repo); |
475 | strbuf_addstr(&alt, "/objects"); | |
e6baf4a1 JH |
476 | add_to_alternates_file(alt.buf); |
477 | strbuf_release(&alt); | |
478 | } else { | |
479 | struct strbuf src = STRBUF_INIT; | |
480 | struct strbuf dest = STRBUF_INIT; | |
744e4697 NTND |
481 | get_common_dir(&src, src_repo); |
482 | get_common_dir(&dest, dest_repo); | |
483 | strbuf_addstr(&src, "/objects"); | |
484 | strbuf_addstr(&dest, "/objects"); | |
ff7ccc8c | 485 | copy_or_link_directory(&src, &dest, src_repo); |
b9e125e0 MV |
486 | strbuf_release(&src); |
487 | strbuf_release(&dest); | |
8434c2f1 DB |
488 | } |
489 | ||
28ba96ab | 490 | if (0 <= option_verbosity) |
68b939b2 | 491 | fprintf(stderr, _("done.\n")); |
8434c2f1 DB |
492 | } |
493 | ||
494 | static const char *junk_work_tree; | |
d45420c1 | 495 | static int junk_work_tree_flags; |
8434c2f1 | 496 | static const char *junk_git_dir; |
d45420c1 | 497 | static int junk_git_dir_flags; |
85064630 | 498 | static enum { |
d3b34622 JK |
499 | JUNK_LEAVE_NONE, |
500 | JUNK_LEAVE_REPO, | |
501 | JUNK_LEAVE_ALL | |
502 | } junk_mode = JUNK_LEAVE_NONE; | |
503 | ||
504 | static const char junk_leave_repo_msg[] = | |
505 | N_("Clone succeeded, but checkout failed.\n" | |
506 | "You can inspect what was checked out with 'git status'\n" | |
80f537f7 | 507 | "and retry with 'git restore --source=HEAD :/'\n"); |
8434c2f1 DB |
508 | |
509 | static void remove_junk(void) | |
510 | { | |
f285a2d7 | 511 | struct strbuf sb = STRBUF_INIT; |
d3b34622 JK |
512 | |
513 | switch (junk_mode) { | |
514 | case JUNK_LEAVE_REPO: | |
515 | warning("%s", _(junk_leave_repo_msg)); | |
516 | /* fall-through */ | |
517 | case JUNK_LEAVE_ALL: | |
518 | return; | |
519 | default: | |
520 | /* proceed to removal */ | |
521 | break; | |
522 | } | |
523 | ||
8434c2f1 DB |
524 | if (junk_git_dir) { |
525 | strbuf_addstr(&sb, junk_git_dir); | |
d45420c1 | 526 | remove_dir_recursively(&sb, junk_git_dir_flags); |
8434c2f1 DB |
527 | strbuf_reset(&sb); |
528 | } | |
529 | if (junk_work_tree) { | |
530 | strbuf_addstr(&sb, junk_work_tree); | |
d45420c1 | 531 | remove_dir_recursively(&sb, junk_work_tree_flags); |
8434c2f1 | 532 | } |
9c18b548 | 533 | strbuf_release(&sb); |
8434c2f1 DB |
534 | } |
535 | ||
536 | static void remove_junk_on_signal(int signo) | |
537 | { | |
538 | remove_junk(); | |
4a16d072 | 539 | sigchain_pop(signo); |
8434c2f1 DB |
540 | raise(signo); |
541 | } | |
542 | ||
9e585046 NTND |
543 | static struct ref *find_remote_branch(const struct ref *refs, const char *branch) |
544 | { | |
545 | struct ref *ref; | |
546 | struct strbuf head = STRBUF_INIT; | |
547 | strbuf_addstr(&head, "refs/heads/"); | |
548 | strbuf_addstr(&head, branch); | |
549 | ref = find_ref_by_name(refs, head.buf); | |
550 | strbuf_release(&head); | |
5a7d5b68 NTND |
551 | |
552 | if (ref) | |
553 | return ref; | |
554 | ||
555 | strbuf_addstr(&head, "refs/tags/"); | |
556 | strbuf_addstr(&head, branch); | |
557 | ref = find_ref_by_name(refs, head.buf); | |
558 | strbuf_release(&head); | |
559 | ||
9e585046 NTND |
560 | return ref; |
561 | } | |
562 | ||
5bdc32d3 | 563 | static struct ref *wanted_peer_refs(const struct ref *refs, |
515be833 | 564 | struct refspec *refspec) |
8434c2f1 | 565 | { |
c1921c18 JK |
566 | struct ref *head = copy_ref(find_ref_by_name(refs, "HEAD")); |
567 | struct ref *local_refs = head; | |
568 | struct ref **tail = head ? &head->next : &local_refs; | |
8434c2f1 | 569 | |
3e6e0edd NTND |
570 | if (option_single_branch) { |
571 | struct ref *remote_head = NULL; | |
572 | ||
573 | if (!option_branch) | |
574 | remote_head = guess_remote_head(head, refs, 0); | |
0ec4b165 NTND |
575 | else { |
576 | local_refs = NULL; | |
577 | tail = &local_refs; | |
578 | remote_head = copy_ref(find_remote_branch(refs, option_branch)); | |
579 | } | |
3e6e0edd NTND |
580 | |
581 | if (!remote_head && option_branch) | |
582 | warning(_("Could not find remote branch %s to clone."), | |
583 | option_branch); | |
5a7d5b68 | 584 | else { |
515be833 SG |
585 | int i; |
586 | for (i = 0; i < refspec->nr; i++) | |
587 | get_fetch_map(remote_head, &refspec->items[i], | |
588 | &tail, 0); | |
5a7d5b68 NTND |
589 | |
590 | /* if --branch=tag, pull the requested tag explicitly */ | |
591 | get_fetch_map(remote_head, tag_refspec, &tail, 0); | |
592 | } | |
515be833 SG |
593 | } else { |
594 | int i; | |
595 | for (i = 0; i < refspec->nr; i++) | |
596 | get_fetch_map(refs, &refspec->items[i], &tail, 0); | |
597 | } | |
3e6e0edd | 598 | |
0dab2468 | 599 | if (!option_mirror && !option_single_branch && !option_no_tags) |
468386a9 | 600 | get_fetch_map(refs, tag_refspec, &tail, 0); |
8434c2f1 | 601 | |
5bdc32d3 NP |
602 | return local_refs; |
603 | } | |
604 | ||
605 | static void write_remote_refs(const struct ref *local_refs) | |
606 | { | |
607 | const struct ref *r; | |
608 | ||
58f233ce MH |
609 | struct ref_transaction *t; |
610 | struct strbuf err = STRBUF_INIT; | |
611 | ||
612 | t = ref_transaction_begin(&err); | |
613 | if (!t) | |
614 | die("%s", err.buf); | |
9f69d297 | 615 | |
c1921c18 JK |
616 | for (r = local_refs; r; r = r->next) { |
617 | if (!r->peer_ref) | |
618 | continue; | |
89f3bbdd | 619 | if (ref_transaction_create(t, r->peer_ref->name, &r->old_oid, |
58f233ce MH |
620 | 0, NULL, &err)) |
621 | die("%s", err.buf); | |
c1921c18 | 622 | } |
3e8aded2 | 623 | |
58f233ce MH |
624 | if (initial_ref_transaction_commit(t, &err)) |
625 | die("%s", err.buf); | |
626 | ||
627 | strbuf_release(&err); | |
628 | ref_transaction_free(t); | |
8434c2f1 DB |
629 | } |
630 | ||
3e6e0edd NTND |
631 | static void write_followtags(const struct ref *refs, const char *msg) |
632 | { | |
633 | const struct ref *ref; | |
634 | for (ref = refs; ref; ref = ref->next) { | |
59556548 | 635 | if (!starts_with(ref->name, "refs/tags/")) |
3e6e0edd | 636 | continue; |
59556548 | 637 | if (ends_with(ref->name, "^{}")) |
3e6e0edd | 638 | continue; |
f4e54d02 | 639 | if (!has_object_file(&ref->old_oid)) |
3e6e0edd | 640 | continue; |
ae077771 | 641 | update_ref(msg, ref->name, &ref->old_oid, NULL, 0, |
642 | UPDATE_REFS_DIE_ON_ERR); | |
3e6e0edd NTND |
643 | } |
644 | } | |
645 | ||
6ccac9ee | 646 | static int iterate_ref_map(void *cb_data, struct object_id *oid) |
0433ad12 JK |
647 | { |
648 | struct ref **rm = cb_data; | |
649 | struct ref *ref = *rm; | |
650 | ||
651 | /* | |
652 | * Skip anything missing a peer_ref, which we are not | |
653 | * actually going to write a ref for. | |
654 | */ | |
655 | while (ref && !ref->peer_ref) | |
656 | ref = ref->next; | |
657 | /* Returning -1 notes "end of list" to the caller. */ | |
658 | if (!ref) | |
659 | return -1; | |
660 | ||
6ccac9ee | 661 | oidcpy(oid, &ref->old_oid); |
0433ad12 JK |
662 | *rm = ref->next; |
663 | return 0; | |
664 | } | |
665 | ||
960b7d1c NTND |
666 | static void update_remote_refs(const struct ref *refs, |
667 | const struct ref *mapped_refs, | |
668 | const struct ref *remote_head_points_at, | |
669 | const char *branch_top, | |
c6807a40 | 670 | const char *msg, |
45ed4afa | 671 | struct transport *transport, |
dfa33a29 JS |
672 | int check_connectivity, |
673 | int check_refs_only) | |
960b7d1c | 674 | { |
0433ad12 JK |
675 | const struct ref *rm = mapped_refs; |
676 | ||
125a05fd | 677 | if (check_connectivity) { |
7043c707 JK |
678 | struct check_connected_options opt = CHECK_CONNECTED_INIT; |
679 | ||
680 | opt.transport = transport; | |
38e590ea | 681 | opt.progress = transport->progress; |
dfa33a29 | 682 | opt.check_refs_only = !!check_refs_only; |
7043c707 | 683 | |
7043c707 | 684 | if (check_connected(iterate_ref_map, &rm, &opt)) |
125a05fd JK |
685 | die(_("remote did not send all necessary objects")); |
686 | } | |
0433ad12 | 687 | |
960b7d1c | 688 | if (refs) { |
960b7d1c | 689 | write_remote_refs(mapped_refs); |
0dab2468 | 690 | if (option_single_branch && !option_no_tags) |
960b7d1c NTND |
691 | write_followtags(refs, msg); |
692 | } | |
693 | ||
694 | if (remote_head_points_at && !option_bare) { | |
695 | struct strbuf head_ref = STRBUF_INIT; | |
696 | strbuf_addstr(&head_ref, branch_top); | |
697 | strbuf_addstr(&head_ref, "HEAD"); | |
4be49d75 JK |
698 | if (create_symref(head_ref.buf, |
699 | remote_head_points_at->peer_ref->name, | |
700 | msg) < 0) | |
39ad4f39 | 701 | die(_("unable to update %s"), head_ref.buf); |
4be49d75 | 702 | strbuf_release(&head_ref); |
960b7d1c NTND |
703 | } |
704 | } | |
705 | ||
f034d354 NTND |
706 | static void update_head(const struct ref *our, const struct ref *remote, |
707 | const char *msg) | |
708 | { | |
cf4fff57 JK |
709 | const char *head; |
710 | if (our && skip_prefix(our->name, "refs/heads/", &head)) { | |
f034d354 | 711 | /* Local default branch link */ |
4be49d75 | 712 | if (create_symref("HEAD", our->name, NULL) < 0) |
39ad4f39 | 713 | die(_("unable to update HEAD")); |
f034d354 | 714 | if (!option_bare) { |
ae077771 | 715 | update_ref(msg, "HEAD", &our->old_oid, NULL, 0, |
f4124112 | 716 | UPDATE_REFS_DIE_ON_ERR); |
f034d354 NTND |
717 | install_branch_config(0, head, option_origin, our->name); |
718 | } | |
5a7d5b68 | 719 | } else if (our) { |
2122f675 SB |
720 | struct commit *c = lookup_commit_reference(the_repository, |
721 | &our->old_oid); | |
5a7d5b68 | 722 | /* --branch specifies a non-branch (i.e. tags), detach HEAD */ |
91774afc | 723 | update_ref(msg, "HEAD", &c->object.oid, NULL, REF_NO_DEREF, |
ae077771 | 724 | UPDATE_REFS_DIE_ON_ERR); |
f034d354 NTND |
725 | } else if (remote) { |
726 | /* | |
727 | * We know remote HEAD points to a non-branch, or | |
920b691f | 728 | * HEAD points to a branch but we don't know which one. |
f034d354 NTND |
729 | * Detach HEAD in all these cases. |
730 | */ | |
91774afc | 731 | update_ref(msg, "HEAD", &remote->old_oid, NULL, REF_NO_DEREF, |
ae077771 | 732 | UPDATE_REFS_DIE_ON_ERR); |
f034d354 NTND |
733 | } |
734 | } | |
735 | ||
72c5f883 | 736 | static int checkout(int submodule_progress) |
c39852c1 | 737 | { |
ddc2cc64 | 738 | struct object_id oid; |
c39852c1 | 739 | char *head; |
837e34eb | 740 | struct lock_file lock_file = LOCK_INIT; |
c39852c1 NTND |
741 | struct unpack_trees_options opts; |
742 | struct tree *tree; | |
743 | struct tree_desc t; | |
03b86647 | 744 | int err = 0; |
c39852c1 NTND |
745 | |
746 | if (option_no_checkout) | |
747 | return 0; | |
748 | ||
0f2dc722 | 749 | head = resolve_refdup("HEAD", RESOLVE_REF_READING, &oid, NULL); |
c39852c1 NTND |
750 | if (!head) { |
751 | warning(_("remote HEAD refers to nonexistent ref, " | |
752 | "unable to checkout.\n")); | |
753 | return 0; | |
754 | } | |
2857093b NTND |
755 | if (!strcmp(head, "HEAD")) { |
756 | if (advice_detached_head) | |
ddc2cc64 | 757 | detach_advice(oid_to_hex(&oid)); |
2857093b | 758 | } else { |
59556548 | 759 | if (!starts_with(head, "refs/heads/")) |
c39852c1 NTND |
760 | die(_("HEAD not found below refs/heads!")); |
761 | } | |
762 | free(head); | |
763 | ||
764 | /* We need to be in the new work tree for the checkout */ | |
765 | setup_work_tree(); | |
766 | ||
837e34eb | 767 | hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR); |
c39852c1 NTND |
768 | |
769 | memset(&opts, 0, sizeof opts); | |
770 | opts.update = 1; | |
771 | opts.merge = 1; | |
b878579a | 772 | opts.clone = 1; |
c39852c1 | 773 | opts.fn = oneway_merge; |
8f63da13 | 774 | opts.verbose_update = (option_verbosity >= 0); |
c39852c1 NTND |
775 | opts.src_index = &the_index; |
776 | opts.dst_index = &the_index; | |
777 | ||
a9dbc179 | 778 | tree = parse_tree_indirect(&oid); |
c39852c1 NTND |
779 | parse_tree(tree); |
780 | init_tree_desc(&t, tree->buffer, tree->size); | |
0aac7bb2 JK |
781 | if (unpack_trees(1, &t, &opts) < 0) |
782 | die(_("unable to checkout working tree")); | |
c39852c1 | 783 | |
837e34eb | 784 | if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK)) |
c39852c1 NTND |
785 | die(_("unable to write new index file")); |
786 | ||
8d4d86b0 | 787 | err |= run_hook_le(NULL, "post-checkout", oid_to_hex(&null_oid), |
ddc2cc64 | 788 | oid_to_hex(&oid), "1", NULL); |
c39852c1 | 789 | |
bb62e0a9 | 790 | if (!err && (option_recurse_submodules.nr > 0)) { |
72290d6a SB |
791 | struct argv_array args = ARGV_ARRAY_INIT; |
792 | argv_array_pushl(&args, "submodule", "update", "--init", "--recursive", NULL); | |
793 | ||
18a74a09 | 794 | if (option_shallow_submodules == 1) |
d22eb044 SB |
795 | argv_array_push(&args, "--depth=1"); |
796 | ||
72290d6a SB |
797 | if (max_jobs != -1) |
798 | argv_array_pushf(&args, "--jobs=%d", max_jobs); | |
799 | ||
72c5f883 JK |
800 | if (submodule_progress) |
801 | argv_array_push(&args, "--progress"); | |
802 | ||
03c004c5 BW |
803 | if (option_verbosity < 0) |
804 | argv_array_push(&args, "--quiet"); | |
805 | ||
4c691016 BA |
806 | if (option_remote_submodules) { |
807 | argv_array_push(&args, "--remote"); | |
808 | argv_array_push(&args, "--no-fetch"); | |
809 | } | |
810 | ||
72290d6a SB |
811 | err = run_command_v_opt(args.argv, RUN_GIT_CMD); |
812 | argv_array_clear(&args); | |
813 | } | |
c39852c1 NTND |
814 | |
815 | return err; | |
816 | } | |
817 | ||
84054f79 JK |
818 | static int write_one_config(const char *key, const char *value, void *data) |
819 | { | |
db4eca1f JN |
820 | return git_config_set_multivar_gently(key, |
821 | value ? value : "true", | |
822 | CONFIG_REGEX_NONE, 0); | |
84054f79 JK |
823 | } |
824 | ||
825 | static void write_config(struct string_list *config) | |
826 | { | |
827 | int i; | |
828 | ||
829 | for (i = 0; i < config->nr; i++) { | |
830 | if (git_config_parse_parameter(config->items[i].string, | |
831 | write_one_config, NULL) < 0) | |
39ad4f39 | 832 | die(_("unable to write parameters to config file")); |
84054f79 JK |
833 | } |
834 | } | |
835 | ||
24d36f14 DA |
836 | static void write_refspec_config(const char *src_ref_prefix, |
837 | const struct ref *our_head_points_at, | |
838 | const struct ref *remote_head_points_at, | |
839 | struct strbuf *branch_top) | |
31b808a0 RT |
840 | { |
841 | struct strbuf key = STRBUF_INIT; | |
842 | struct strbuf value = STRBUF_INIT; | |
843 | ||
844 | if (option_mirror || !option_bare) { | |
845 | if (option_single_branch && !option_mirror) { | |
846 | if (option_branch) { | |
60a5f5fc | 847 | if (starts_with(our_head_points_at->name, "refs/tags/")) |
31b808a0 RT |
848 | strbuf_addf(&value, "+%s:%s", our_head_points_at->name, |
849 | our_head_points_at->name); | |
850 | else | |
851 | strbuf_addf(&value, "+%s:%s%s", our_head_points_at->name, | |
852 | branch_top->buf, option_branch); | |
853 | } else if (remote_head_points_at) { | |
cf4fff57 JK |
854 | const char *head = remote_head_points_at->name; |
855 | if (!skip_prefix(head, "refs/heads/", &head)) | |
033abf97 | 856 | BUG("remote HEAD points at non-head?"); |
cf4fff57 | 857 | |
31b808a0 | 858 | strbuf_addf(&value, "+%s:%s%s", remote_head_points_at->name, |
cf4fff57 | 859 | branch_top->buf, head); |
31b808a0 RT |
860 | } |
861 | /* | |
862 | * otherwise, the next "git fetch" will | |
863 | * simply fetch from HEAD without updating | |
d6ac1d21 | 864 | * any remote-tracking branch, which is what |
31b808a0 RT |
865 | * we want. |
866 | */ | |
867 | } else { | |
868 | strbuf_addf(&value, "+%s*:%s*", src_ref_prefix, branch_top->buf); | |
869 | } | |
870 | /* Configure the remote */ | |
871 | if (value.len) { | |
872 | strbuf_addf(&key, "remote.%s.fetch", option_origin); | |
873 | git_config_set_multivar(key.buf, value.buf, "^$", 0); | |
874 | strbuf_reset(&key); | |
875 | ||
876 | if (option_mirror) { | |
877 | strbuf_addf(&key, "remote.%s.mirror", option_origin); | |
878 | git_config_set(key.buf, "true"); | |
879 | strbuf_reset(&key); | |
880 | } | |
881 | } | |
882 | } | |
883 | ||
884 | strbuf_release(&key); | |
885 | strbuf_release(&value); | |
886 | } | |
887 | ||
fb1d6dab JH |
888 | static void dissociate_from_references(void) |
889 | { | |
890 | static const char* argv[] = { "repack", "-a", "-d", NULL }; | |
0181681e | 891 | char *alternates = git_pathdup("objects/info/alternates"); |
fb1d6dab | 892 | |
0181681e AR |
893 | if (!access(alternates, F_OK)) { |
894 | if (run_command_v_opt(argv, RUN_GIT_CMD|RUN_COMMAND_NO_STDIN)) | |
895 | die(_("cannot repack to clean up")); | |
896 | if (unlink(alternates) && errno != ENOENT) | |
897 | die_errno(_("cannot unlink temporary alternates file")); | |
898 | } | |
899 | free(alternates); | |
fb1d6dab JH |
900 | } |
901 | ||
f9e377ad JK |
902 | static int dir_exists(const char *path) |
903 | { | |
904 | struct stat sb; | |
905 | return !stat(path, &sb); | |
906 | } | |
907 | ||
8434c2f1 DB |
908 | int cmd_clone(int argc, const char **argv, const char *prefix) |
909 | { | |
24c61c44 | 910 | int is_bundle = 0, is_local; |
8434c2f1 DB |
911 | const char *repo_name, *repo, *work_tree, *git_dir; |
912 | char *path, *dir; | |
55892d23 | 913 | int dest_exists; |
37148311 | 914 | const struct ref *refs, *remote_head; |
7a4ee28f JK |
915 | const struct ref *remote_head_points_at; |
916 | const struct ref *our_head_points_at; | |
37148311 | 917 | struct ref *mapped_refs; |
90498161 | 918 | const struct ref *ref; |
3e42cb3b SG |
919 | struct strbuf key = STRBUF_INIT; |
920 | struct strbuf default_refspec = STRBUF_INIT; | |
b5ff37ac | 921 | struct strbuf branch_top = STRBUF_INIT, reflog_msg = STRBUF_INIT; |
1db4a75c | 922 | struct transport *transport = NULL; |
9e585046 | 923 | const char *src_ref_prefix = "refs/heads/"; |
6f48d39f | 924 | struct remote *remote; |
90498161 | 925 | int err = 0, complete_refs_before_fetch = 1; |
72c5f883 | 926 | int submodule_progress; |
8434c2f1 | 927 | |
402c47d9 | 928 | struct argv_array ref_prefixes = ARGV_ARRAY_INIT; |
8434c2f1 | 929 | |
548719fb JT |
930 | fetch_if_missing = 0; |
931 | ||
bbc30f99 | 932 | packet_trace_identity("clone"); |
37782920 | 933 | argc = parse_options(argc, argv, prefix, builtin_clone_options, |
8434c2f1 DB |
934 | builtin_clone_usage, 0); |
935 | ||
d52dc4b1 | 936 | if (argc > 2) |
e84d7b74 | 937 | usage_msg_opt(_("Too many arguments."), |
d52dc4b1 JN |
938 | builtin_clone_usage, builtin_clone_options); |
939 | ||
8434c2f1 | 940 | if (argc == 0) |
e84d7b74 | 941 | usage_msg_opt(_("You must specify a repository to clone."), |
d52dc4b1 | 942 | builtin_clone_usage, builtin_clone_options); |
8434c2f1 | 943 | |
859e5df9 | 944 | if (option_depth || option_since || option_not.nr) |
994c2aaf | 945 | deepen = 1; |
3e6e0edd | 946 | if (option_single_branch == -1) |
994c2aaf | 947 | option_single_branch = deepen ? 1 : 0; |
3e6e0edd | 948 | |
bc699afc JS |
949 | if (option_mirror) |
950 | option_bare = 1; | |
951 | ||
8434c2f1 DB |
952 | if (option_bare) { |
953 | if (option_origin) | |
e84d7b74 | 954 | die(_("--bare and --origin %s options are incompatible."), |
8434c2f1 | 955 | option_origin); |
95b63f1e NTND |
956 | if (real_git_dir) |
957 | die(_("--bare and --separate-git-dir are incompatible.")); | |
8434c2f1 | 958 | option_no_checkout = 1; |
8434c2f1 DB |
959 | } |
960 | ||
961 | if (!option_origin) | |
962 | option_origin = "origin"; | |
963 | ||
964 | repo_name = argv[0]; | |
965 | ||
966 | path = get_repo_path(repo_name, &is_bundle); | |
967 | if (path) | |
0aaad415 | 968 | repo = absolute_pathdup(repo_name); |
8434c2f1 | 969 | else if (!strchr(repo_name, ':')) |
d3e1ddfd | 970 | die(_("repository '%s' does not exist"), repo_name); |
8434c2f1 DB |
971 | else |
972 | repo = repo_name; | |
973 | ||
5594bcad NTND |
974 | /* no need to be strict, transport_set_option() will validate it again */ |
975 | if (option_depth && atoi(option_depth) < 1) | |
976 | die(_("depth %s is not a positive number"), option_depth); | |
977 | ||
8434c2f1 DB |
978 | if (argc == 2) |
979 | dir = xstrdup(argv[1]); | |
980 | else | |
6612f877 | 981 | dir = guess_dir_name(repo_name, is_bundle, option_bare); |
44a68fd5 | 982 | strip_trailing_slashes(dir); |
8434c2f1 | 983 | |
f9e377ad | 984 | dest_exists = dir_exists(dir); |
55892d23 | 985 | if (dest_exists && !is_empty_dir(dir)) |
e84d7b74 ÆAB |
986 | die(_("destination path '%s' already exists and is not " |
987 | "an empty directory."), dir); | |
8434c2f1 | 988 | |
8434c2f1 DB |
989 | strbuf_addf(&reflog_msg, "clone: from %s", repo); |
990 | ||
991 | if (option_bare) | |
992 | work_tree = NULL; | |
993 | else { | |
994 | work_tree = getenv("GIT_WORK_TREE"); | |
f9e377ad | 995 | if (work_tree && dir_exists(work_tree)) |
e84d7b74 | 996 | die(_("working tree '%s' already exists."), work_tree); |
8434c2f1 DB |
997 | } |
998 | ||
999 | if (option_bare || work_tree) | |
1000 | git_dir = xstrdup(dir); | |
1001 | else { | |
1002 | work_tree = dir; | |
4e2d094d | 1003 | git_dir = mkpathdup("%s/.git", dir); |
8434c2f1 DB |
1004 | } |
1005 | ||
ee0e3872 JK |
1006 | atexit(remove_junk); |
1007 | sigchain_push_common(remove_junk_on_signal); | |
1008 | ||
8434c2f1 | 1009 | if (!option_bare) { |
8e21d63b | 1010 | if (safe_create_leading_directories_const(work_tree) < 0) |
e84d7b74 | 1011 | die_errno(_("could not create leading directories of '%s'"), |
d824cbba | 1012 | work_tree); |
d45420c1 JK |
1013 | if (dest_exists) |
1014 | junk_work_tree_flags |= REMOVE_DIR_KEEP_TOPLEVEL; | |
1015 | else if (mkdir(work_tree, 0777)) | |
16eff6c0 | 1016 | die_errno(_("could not create work tree dir '%s'"), |
d824cbba | 1017 | work_tree); |
ee0e3872 | 1018 | junk_work_tree = work_tree; |
8434c2f1 DB |
1019 | set_git_work_tree(work_tree); |
1020 | } | |
8434c2f1 | 1021 | |
d45420c1 JK |
1022 | if (real_git_dir) { |
1023 | if (dir_exists(real_git_dir)) | |
1024 | junk_git_dir_flags |= REMOVE_DIR_KEEP_TOPLEVEL; | |
1025 | junk_git_dir = real_git_dir; | |
1026 | } else { | |
1027 | if (dest_exists) | |
1028 | junk_git_dir_flags |= REMOVE_DIR_KEEP_TOPLEVEL; | |
1029 | junk_git_dir = git_dir; | |
1030 | } | |
8e21d63b | 1031 | if (safe_create_leading_directories_const(git_dir) < 0) |
e84d7b74 | 1032 | die(_("could not create leading directories of '%s'"), git_dir); |
b57fb80a | 1033 | |
3781fcce ÆAB |
1034 | if (0 <= option_verbosity) { |
1035 | if (option_bare) | |
68b939b2 | 1036 | fprintf(stderr, _("Cloning into bare repository '%s'...\n"), dir); |
3781fcce | 1037 | else |
68b939b2 | 1038 | fprintf(stderr, _("Cloning into '%s'...\n"), dir); |
3781fcce | 1039 | } |
31224cbd | 1040 | |
bb62e0a9 BW |
1041 | if (option_recurse_submodules.nr > 0) { |
1042 | struct string_list_item *item; | |
1043 | struct strbuf sb = STRBUF_INIT; | |
1044 | ||
1045 | /* remove duplicates */ | |
1046 | string_list_sort(&option_recurse_submodules); | |
1047 | string_list_remove_duplicates(&option_recurse_submodules, 0); | |
1048 | ||
1049 | /* | |
1050 | * NEEDSWORK: In a multi-working-tree world, this needs to be | |
1051 | * set in the per-worktree config. | |
1052 | */ | |
1053 | for_each_string_list_item(item, &option_recurse_submodules) { | |
1054 | strbuf_addf(&sb, "submodule.active=%s", | |
1055 | item->string); | |
1056 | string_list_append(&option_config, | |
1057 | strbuf_detach(&sb, NULL)); | |
1058 | } | |
1059 | ||
31224cbd SB |
1060 | if (option_required_reference.nr && |
1061 | option_optional_reference.nr) | |
1062 | die(_("clone --recursive is not compatible with " | |
1063 | "both --reference and --reference-if-able")); | |
1064 | else if (option_required_reference.nr) { | |
1065 | string_list_append(&option_config, | |
1066 | "submodule.alternateLocation=superproject"); | |
1067 | string_list_append(&option_config, | |
1068 | "submodule.alternateErrorStrategy=die"); | |
1069 | } else if (option_optional_reference.nr) { | |
1070 | string_list_append(&option_config, | |
1071 | "submodule.alternateLocation=superproject"); | |
1072 | string_list_append(&option_config, | |
1073 | "submodule.alternateErrorStrategy=info"); | |
1074 | } | |
1075 | } | |
1076 | ||
33158701 NTND |
1077 | init_db(git_dir, real_git_dir, option_template, INIT_DB_QUIET); |
1078 | ||
1079 | if (real_git_dir) | |
1080 | git_dir = real_git_dir; | |
1081 | ||
84054f79 | 1082 | write_config(&option_config); |
8434c2f1 | 1083 | |
9bd81e42 | 1084 | git_config(git_default_config, NULL); |
8434c2f1 DB |
1085 | |
1086 | if (option_bare) { | |
bc699afc JS |
1087 | if (option_mirror) |
1088 | src_ref_prefix = "refs/"; | |
b5ff37ac | 1089 | strbuf_addstr(&branch_top, src_ref_prefix); |
8434c2f1 DB |
1090 | |
1091 | git_config_set("core.bare", "true"); | |
1092 | } else { | |
b5ff37ac | 1093 | strbuf_addf(&branch_top, "refs/remotes/%s/", option_origin); |
bc699afc | 1094 | } |
8434c2f1 | 1095 | |
df61c889 SR |
1096 | strbuf_addf(&key, "remote.%s.url", option_origin); |
1097 | git_config_set(key.buf, repo); | |
1098 | strbuf_reset(&key); | |
1099 | ||
0dab2468 ÆAB |
1100 | if (option_no_tags) { |
1101 | strbuf_addf(&key, "remote.%s.tagOpt", option_origin); | |
1102 | git_config_set(key.buf, "--no-tags"); | |
1103 | strbuf_reset(&key); | |
1104 | } | |
1105 | ||
f7415b4d | 1106 | if (option_required_reference.nr || option_optional_reference.nr) |
dbc92b07 | 1107 | setup_reference(); |
766ac6a6 | 1108 | |
515be833 | 1109 | remote = remote_get(option_origin); |
689f0396 | 1110 | |
3e42cb3b SG |
1111 | strbuf_addf(&default_refspec, "+%s*:%s*", src_ref_prefix, |
1112 | branch_top.buf); | |
515be833 | 1113 | refspec_append(&remote->fetch, default_refspec.buf); |
8434c2f1 | 1114 | |
6f48d39f | 1115 | transport = transport_get(remote, remote->url[0]); |
822f0c4f | 1116 | transport_set_verbosity(transport, option_verbosity, option_progress); |
c915f11e | 1117 | transport->family = family; |
822f0c4f | 1118 | |
f38aa83f MB |
1119 | path = get_repo_path(remote->url[0], &is_bundle); |
1120 | is_local = option_local != 0 && path && !is_bundle; | |
1121 | if (is_local) { | |
1122 | if (option_depth) | |
1123 | warning(_("--depth is ignored in local clones; use file:// instead.")); | |
994c2aaf NTND |
1124 | if (option_since) |
1125 | warning(_("--shallow-since is ignored in local clones; use file:// instead.")); | |
859e5df9 NTND |
1126 | if (option_not.nr) |
1127 | warning(_("--shallow-exclude is ignored in local clones; use file:// instead.")); | |
548719fb JT |
1128 | if (filter_options.choice) |
1129 | warning(_("--filter is ignored in local clones; use file:// instead.")); | |
f38aa83f MB |
1130 | if (!access(mkpath("%s/shallow", path), F_OK)) { |
1131 | if (option_local > 0) | |
1132 | warning(_("source repository is shallow, ignoring --local")); | |
1133 | is_local = 0; | |
1134 | } | |
1135 | } | |
1136 | if (option_local > 0 && !is_local) | |
1137 | warning(_("--local is ignored")); | |
beea4152 | 1138 | transport->cloning = 1; |
8434c2f1 | 1139 | |
643f918d | 1140 | transport_set_option(transport, TRANS_OPT_KEEP, "yes"); |
8434c2f1 | 1141 | |
643f918d JK |
1142 | if (option_depth) |
1143 | transport_set_option(transport, TRANS_OPT_DEPTH, | |
1144 | option_depth); | |
994c2aaf NTND |
1145 | if (option_since) |
1146 | transport_set_option(transport, TRANS_OPT_DEEPEN_SINCE, | |
1147 | option_since); | |
859e5df9 NTND |
1148 | if (option_not.nr) |
1149 | transport_set_option(transport, TRANS_OPT_DEEPEN_NOT, | |
1150 | (const char *)&option_not); | |
643f918d JK |
1151 | if (option_single_branch) |
1152 | transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, "1"); | |
8434c2f1 | 1153 | |
643f918d JK |
1154 | if (option_upload_pack) |
1155 | transport_set_option(transport, TRANS_OPT_UPLOADPACK, | |
1156 | option_upload_pack); | |
c6807a40 | 1157 | |
6e983059 JT |
1158 | if (server_options.nr) |
1159 | transport->server_options = &server_options; | |
1160 | ||
548719fb | 1161 | if (filter_options.choice) { |
cf9ceb5a MD |
1162 | const char *spec = |
1163 | expand_list_objects_filter_spec(&filter_options); | |
548719fb | 1164 | transport_set_option(transport, TRANS_OPT_LIST_OBJECTS_FILTER, |
cf9ceb5a | 1165 | spec); |
548719fb JT |
1166 | transport_set_option(transport, TRANS_OPT_FROM_PROMISOR, "1"); |
1167 | } | |
1168 | ||
1169 | if (transport->smart_options && !deepen && !filter_options.choice) | |
643f918d | 1170 | transport->smart_options->check_self_contained_and_connected = 1; |
8434c2f1 | 1171 | |
402c47d9 BW |
1172 | |
1173 | argv_array_push(&ref_prefixes, "HEAD"); | |
515be833 | 1174 | refspec_ref_prefixes(&remote->fetch, &ref_prefixes); |
402c47d9 BW |
1175 | if (option_branch) |
1176 | expand_ref_prefix(&ref_prefixes, option_branch); | |
1177 | if (!option_no_tags) | |
1178 | argv_array_push(&ref_prefixes, "refs/tags/"); | |
1179 | ||
1180 | refs = transport_get_remote_refs(transport, &ref_prefixes); | |
8434c2f1 | 1181 | |
5b05795c | 1182 | if (refs) { |
515be833 | 1183 | mapped_refs = wanted_peer_refs(refs, &remote->fetch); |
5b05795c MH |
1184 | /* |
1185 | * transport_get_remote_refs() may return refs with null sha-1 | |
1186 | * in mapped_refs (see struct transport->get_refs_list | |
1187 | * comment). In that case we need fetch it early because | |
1188 | * remote_head code below relies on it. | |
1189 | * | |
1190 | * for normal clones, transport_get_remote_refs() should | |
1191 | * return reliable ref set, we can delay cloning until after | |
1192 | * remote HEAD check. | |
1193 | */ | |
1194 | for (ref = refs; ref; ref = ref->next) | |
f4e54d02 | 1195 | if (is_null_oid(&ref->old_oid)) { |
5b05795c MH |
1196 | complete_refs_before_fetch = 0; |
1197 | break; | |
1198 | } | |
90498161 | 1199 | |
5b05795c | 1200 | if (!is_local && !complete_refs_before_fetch) |
e2842b39 | 1201 | transport_fetch_refs(transport, mapped_refs); |
8434c2f1 | 1202 | |
6cb4e6cc | 1203 | remote_head = find_ref_by_name(refs, "HEAD"); |
7a4ee28f JK |
1204 | remote_head_points_at = |
1205 | guess_remote_head(remote_head, mapped_refs, 0); | |
1206 | ||
1207 | if (option_branch) { | |
7a4ee28f | 1208 | our_head_points_at = |
9e585046 | 1209 | find_remote_branch(mapped_refs, option_branch); |
7a4ee28f | 1210 | |
920b691f NTND |
1211 | if (!our_head_points_at) |
1212 | die(_("Remote branch %s not found in upstream %s"), | |
1213 | option_branch, option_origin); | |
7a4ee28f JK |
1214 | } |
1215 | else | |
1216 | our_head_points_at = remote_head_points_at; | |
86ac7518 SR |
1217 | } |
1218 | else { | |
a3552aba RT |
1219 | if (option_branch) |
1220 | die(_("Remote branch %s not found in upstream %s"), | |
1221 | option_branch, option_origin); | |
1222 | ||
e84d7b74 | 1223 | warning(_("You appear to have cloned an empty repository.")); |
5b05795c | 1224 | mapped_refs = NULL; |
7a4ee28f JK |
1225 | our_head_points_at = NULL; |
1226 | remote_head_points_at = NULL; | |
86ac7518 SR |
1227 | remote_head = NULL; |
1228 | option_no_checkout = 1; | |
5cd12b85 | 1229 | if (!option_bare) |
a9f2c136 | 1230 | install_branch_config(0, "master", option_origin, |
5cd12b85 | 1231 | "refs/heads/master"); |
86ac7518 | 1232 | } |
8434c2f1 | 1233 | |
31b808a0 RT |
1234 | write_refspec_config(src_ref_prefix, our_head_points_at, |
1235 | remote_head_points_at, &branch_top); | |
1236 | ||
548719fb | 1237 | if (filter_options.choice) |
1c4a9f91 | 1238 | partial_clone_register(option_origin, &filter_options); |
548719fb | 1239 | |
6f48d39f NTND |
1240 | if (is_local) |
1241 | clone_local(path, git_dir); | |
90498161 | 1242 | else if (refs && complete_refs_before_fetch) |
e2842b39 | 1243 | transport_fetch_refs(transport, mapped_refs); |
8434c2f1 | 1244 | |
960b7d1c | 1245 | update_remote_refs(refs, mapped_refs, remote_head_points_at, |
548719fb | 1246 | branch_top.buf, reflog_msg.buf, transport, |
dfa33a29 | 1247 | !is_local, filter_options.choice); |
8434c2f1 | 1248 | |
f034d354 | 1249 | update_head(our_head_points_at, remote_head, reflog_msg.buf); |
1db4a75c | 1250 | |
72c5f883 JK |
1251 | /* |
1252 | * We want to show progress for recursive submodule clones iff | |
1253 | * we did so for the main clone. But only the transport knows | |
1254 | * the final decision for this flag, so we need to rescue the value | |
1255 | * before we free the transport. | |
1256 | */ | |
1257 | submodule_progress = transport->progress; | |
1258 | ||
6f48d39f NTND |
1259 | transport_unlock_pack(transport); |
1260 | transport_disconnect(transport); | |
1db4a75c | 1261 | |
786b150c | 1262 | if (option_dissociate) { |
2d511cfc | 1263 | close_object_store(the_repository->objects); |
fb1d6dab | 1264 | dissociate_from_references(); |
786b150c | 1265 | } |
fb1d6dab | 1266 | |
d3b34622 | 1267 | junk_mode = JUNK_LEAVE_REPO; |
548719fb | 1268 | fetch_if_missing = 1; |
72c5f883 | 1269 | err = checkout(submodule_progress); |
8434c2f1 DB |
1270 | |
1271 | strbuf_release(&reflog_msg); | |
b5ff37ac MV |
1272 | strbuf_release(&branch_top); |
1273 | strbuf_release(&key); | |
3e42cb3b | 1274 | strbuf_release(&default_refspec); |
d3b34622 | 1275 | junk_mode = JUNK_LEAVE_ALL; |
50b67732 | 1276 | |
402c47d9 | 1277 | argv_array_clear(&ref_prefixes); |
dfa7a6c5 | 1278 | return err; |
8434c2f1 | 1279 | } |