]>
Commit | Line | Data |
---|---|---|
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" |
0d4a1321 | 35 | #include "object-store.h" |
8434c2f1 DB |
36 | |
37 | /* | |
38 | * Overall FIXMEs: | |
39 | * - respect DB_ENVIRONMENT for .git/objects. | |
40 | * | |
41 | * Implementation notes: | |
42 | * - dropping use-separate-remote and no-separate-remote compatibility | |
43 | * | |
44 | */ | |
45 | static const char * const builtin_clone_usage[] = { | |
9c9b4f2f | 46 | N_("git clone [<options>] [--] <repo> [<dir>]"), |
8434c2f1 DB |
47 | NULL |
48 | }; | |
49 | ||
3e6e0edd | 50 | static int option_no_checkout, option_bare, option_mirror, option_single_branch = -1; |
bb62e0a9 | 51 | static int option_local = -1, option_no_hardlinks, option_shared; |
0dab2468 | 52 | static int option_no_tags; |
18a74a09 | 53 | static int option_shallow_submodules; |
994c2aaf NTND |
54 | static int deepen; |
55 | static char *option_template, *option_depth, *option_since; | |
8434c2f1 | 56 | static char *option_origin = NULL; |
7a4ee28f | 57 | static char *option_branch = NULL; |
859e5df9 | 58 | static struct string_list option_not = STRING_LIST_INIT_NODUP; |
b57fb80a | 59 | static const char *real_git_dir; |
8434c2f1 | 60 | static char *option_upload_pack = "git-upload-pack"; |
5bd631b3 | 61 | static int option_verbosity; |
01fdc21f | 62 | static int option_progress = -1; |
c915f11e | 63 | static enum transport_family family; |
2721ce21 | 64 | static struct string_list option_config = STRING_LIST_INIT_NODUP; |
5e40800d | 65 | static struct string_list option_required_reference = STRING_LIST_INIT_NODUP; |
f7415b4d | 66 | static struct string_list option_optional_reference = STRING_LIST_INIT_NODUP; |
fb1d6dab | 67 | static int option_dissociate; |
72290d6a | 68 | static int max_jobs = -1; |
bb62e0a9 | 69 | static struct string_list option_recurse_submodules = STRING_LIST_INIT_NODUP; |
548719fb | 70 | static struct list_objects_filter_options filter_options; |
6e983059 | 71 | static struct string_list server_options = STRING_LIST_INIT_NODUP; |
4c691016 | 72 | static int option_remote_submodules; |
bb62e0a9 BW |
73 | |
74 | static int recurse_submodules_cb(const struct option *opt, | |
75 | const char *arg, int unset) | |
76 | { | |
77 | if (unset) | |
78 | string_list_clear((struct string_list *)opt->value, 0); | |
79 | else if (arg) | |
80 | string_list_append((struct string_list *)opt->value, arg); | |
81 | else | |
82 | string_list_append((struct string_list *)opt->value, | |
83 | (const char *)opt->defval); | |
84 | ||
85 | return 0; | |
86 | } | |
dbc92b07 | 87 | |
8434c2f1 | 88 | static struct option builtin_clone_options[] = { |
5bd631b3 | 89 | OPT__VERBOSITY(&option_verbosity), |
01fdc21f | 90 | OPT_BOOL(0, "progress", &option_progress, |
32b77add | 91 | N_("force progress reporting")), |
d5d09d47 SB |
92 | OPT_BOOL('n', "no-checkout", &option_no_checkout, |
93 | N_("don't create a checkout")), | |
4741edd5 SB |
94 | OPT_BOOL(0, "bare", &option_bare, N_("create a bare repository")), |
95 | OPT_HIDDEN_BOOL(0, "naked", &option_bare, | |
96 | N_("create a bare repository")), | |
d5d09d47 SB |
97 | OPT_BOOL(0, "mirror", &option_mirror, |
98 | N_("create a mirror repository (implies bare)")), | |
189260b1 | 99 | OPT_BOOL('l', "local", &option_local, |
32b77add | 100 | N_("to clone from a local repository")), |
d5d09d47 | 101 | OPT_BOOL(0, "no-hardlinks", &option_no_hardlinks, |
32b77add | 102 | N_("don't use local hardlinks, always copy")), |
d5d09d47 | 103 | OPT_BOOL('s', "shared", &option_shared, |
32b77add | 104 | N_("setup as shared repository")), |
5c387428 | 105 | OPT_ALIAS(0, "recursive", "recurse-submodules"), |
bb62e0a9 BW |
106 | { OPTION_CALLBACK, 0, "recurse-submodules", &option_recurse_submodules, |
107 | N_("pathspec"), N_("initialize submodules in the clone"), | |
108 | PARSE_OPT_OPTARG, recurse_submodules_cb, (intptr_t)"." }, | |
72290d6a SB |
109 | OPT_INTEGER('j', "jobs", &max_jobs, |
110 | N_("number of submodules cloned in parallel")), | |
32b77add NTND |
111 | OPT_STRING(0, "template", &option_template, N_("template-directory"), |
112 | N_("directory from which templates will be used")), | |
5e40800d | 113 | OPT_STRING_LIST(0, "reference", &option_required_reference, N_("repo"), |
8ade009c | 114 | N_("reference repository")), |
f7415b4d SB |
115 | OPT_STRING_LIST(0, "reference-if-able", &option_optional_reference, |
116 | N_("repo"), N_("reference repository")), | |
14f8b9b4 JK |
117 | OPT_BOOL(0, "dissociate", &option_dissociate, |
118 | N_("use --reference only while cloning")), | |
32b77add NTND |
119 | OPT_STRING('o', "origin", &option_origin, N_("name"), |
120 | N_("use <name> instead of 'origin' to track upstream")), | |
121 | OPT_STRING('b', "branch", &option_branch, N_("branch"), | |
122 | N_("checkout <branch> instead of the remote's HEAD")), | |
123 | OPT_STRING('u', "upload-pack", &option_upload_pack, N_("path"), | |
124 | N_("path to git-upload-pack on the remote")), | |
125 | OPT_STRING(0, "depth", &option_depth, N_("depth"), | |
126 | N_("create a shallow clone of that depth")), | |
994c2aaf NTND |
127 | OPT_STRING(0, "shallow-since", &option_since, N_("time"), |
128 | N_("create a shallow clone since a specific time")), | |
859e5df9 | 129 | OPT_STRING_LIST(0, "shallow-exclude", &option_not, N_("revision"), |
6d873865 | 130 | N_("deepen history of shallow clone, excluding rev")), |
3e6e0edd | 131 | OPT_BOOL(0, "single-branch", &option_single_branch, |
32b77add | 132 | N_("clone only one branch, HEAD or --branch")), |
0dab2468 ÆAB |
133 | OPT_BOOL(0, "no-tags", &option_no_tags, |
134 | N_("don't clone any tags, and make later fetches not to follow them")), | |
d22eb044 SB |
135 | OPT_BOOL(0, "shallow-submodules", &option_shallow_submodules, |
136 | N_("any cloned submodules will be shallow")), | |
32b77add NTND |
137 | OPT_STRING(0, "separate-git-dir", &real_git_dir, N_("gitdir"), |
138 | N_("separate git dir from working tree")), | |
139 | OPT_STRING_LIST('c', "config", &option_config, N_("key=value"), | |
140 | N_("set config inside the new repository")), | |
6e983059 JT |
141 | OPT_STRING_LIST(0, "server-option", &server_options, |
142 | N_("server-specific"), N_("option to transmit")), | |
c915f11e EW |
143 | OPT_SET_INT('4', "ipv4", &family, N_("use IPv4 addresses only"), |
144 | TRANSPORT_FAMILY_IPV4), | |
145 | OPT_SET_INT('6', "ipv6", &family, N_("use IPv6 addresses only"), | |
146 | TRANSPORT_FAMILY_IPV6), | |
548719fb | 147 | OPT_PARSE_LIST_OBJECTS_FILTER(&filter_options), |
4c691016 BA |
148 | OPT_BOOL(0, "remote-submodules", &option_remote_submodules, |
149 | N_("any cloned submodules will use their remote-tracking branch")), | |
8434c2f1 DB |
150 | OPT_END() |
151 | }; | |
152 | ||
0ea68e42 | 153 | static const char *get_repo_path_1(struct strbuf *path, int *is_bundle) |
8434c2f1 | 154 | { |
b3256eb8 | 155 | static char *suffix[] = { "/.git", "", ".git/.git", ".git" }; |
8434c2f1 | 156 | static char *bundle_suffix[] = { ".bundle", "" }; |
0ea68e42 | 157 | size_t baselen = path->len; |
8434c2f1 DB |
158 | struct stat st; |
159 | int i; | |
160 | ||
161 | for (i = 0; i < ARRAY_SIZE(suffix); i++) { | |
0ea68e42 JK |
162 | strbuf_setlen(path, baselen); |
163 | strbuf_addstr(path, suffix[i]); | |
164 | if (stat(path->buf, &st)) | |
9b0ebc72 | 165 | continue; |
0ea68e42 | 166 | if (S_ISDIR(st.st_mode) && is_git_directory(path->buf)) { |
8434c2f1 | 167 | *is_bundle = 0; |
0ea68e42 | 168 | return path->buf; |
9b0ebc72 NTND |
169 | } else if (S_ISREG(st.st_mode) && st.st_size > 8) { |
170 | /* Is it a "gitfile"? */ | |
171 | char signature[8]; | |
0ea68e42 JK |
172 | const char *dst; |
173 | int len, fd = open(path->buf, O_RDONLY); | |
9b0ebc72 NTND |
174 | if (fd < 0) |
175 | continue; | |
176 | len = read_in_full(fd, signature, 8); | |
177 | close(fd); | |
178 | if (len != 8 || strncmp(signature, "gitdir: ", 8)) | |
179 | continue; | |
0ea68e42 JK |
180 | dst = read_gitfile(path->buf); |
181 | if (dst) { | |
9b0ebc72 | 182 | *is_bundle = 0; |
0ea68e42 | 183 | return dst; |
9b0ebc72 | 184 | } |
8434c2f1 DB |
185 | } |
186 | } | |
187 | ||
188 | for (i = 0; i < ARRAY_SIZE(bundle_suffix); i++) { | |
0ea68e42 JK |
189 | strbuf_setlen(path, baselen); |
190 | strbuf_addstr(path, bundle_suffix[i]); | |
191 | if (!stat(path->buf, &st) && S_ISREG(st.st_mode)) { | |
8434c2f1 | 192 | *is_bundle = 1; |
0ea68e42 | 193 | return path->buf; |
8434c2f1 DB |
194 | } |
195 | } | |
196 | ||
197 | return NULL; | |
198 | } | |
199 | ||
0ea68e42 JK |
200 | static char *get_repo_path(const char *repo, int *is_bundle) |
201 | { | |
202 | struct strbuf path = STRBUF_INIT; | |
203 | const char *raw; | |
204 | char *canon; | |
205 | ||
206 | strbuf_addstr(&path, repo); | |
207 | raw = get_repo_path_1(&path, is_bundle); | |
0aaad415 | 208 | canon = raw ? absolute_pathdup(raw) : NULL; |
0ea68e42 JK |
209 | strbuf_release(&path); |
210 | return canon; | |
211 | } | |
212 | ||
6612f877 | 213 | static char *guess_dir_name(const char *repo, int is_bundle, int is_bare) |
8434c2f1 | 214 | { |
e8959867 | 215 | const char *end = repo + strlen(repo), *start, *ptr; |
7e837c64 | 216 | size_t len; |
8a94bc7b | 217 | char *dir; |
b8c5db35 | 218 | |
e8959867 PS |
219 | /* |
220 | * Skip scheme. | |
221 | */ | |
222 | start = strstr(repo, "://"); | |
223 | if (start == NULL) | |
224 | start = repo; | |
225 | else | |
226 | start += 3; | |
227 | ||
228 | /* | |
229 | * Skip authentication data. The stripping does happen | |
230 | * greedily, such that we strip up to the last '@' inside | |
231 | * the host part. | |
232 | */ | |
233 | for (ptr = start; ptr < end && !is_dir_sep(*ptr); ptr++) { | |
234 | if (*ptr == '@') | |
235 | start = ptr + 1; | |
236 | } | |
237 | ||
b8c5db35 | 238 | /* |
8a94bc7b | 239 | * Strip trailing spaces, slashes and /.git |
b8c5db35 | 240 | */ |
e8959867 | 241 | while (start < end && (is_dir_sep(end[-1]) || isspace(end[-1]))) |
b8c5db35 | 242 | end--; |
e8959867 | 243 | if (end - start > 5 && is_dir_sep(end[-5]) && |
b8c5db35 JS |
244 | !strncmp(end - 4, ".git", 4)) { |
245 | end -= 5; | |
e8959867 | 246 | while (start < end && is_dir_sep(end[-1])) |
b8c5db35 JS |
247 | end--; |
248 | } | |
249 | ||
250 | /* | |
92722efe PS |
251 | * Strip trailing port number if we've got only a |
252 | * hostname (that is, there is no dir separator but a | |
253 | * colon). This check is required such that we do not | |
254 | * strip URI's like '/foo/bar:2222.git', which should | |
255 | * result in a dir '2222' being guessed due to backwards | |
256 | * compatibility. | |
257 | */ | |
258 | if (memchr(start, '/', end - start) == NULL | |
259 | && memchr(start, ':', end - start) != NULL) { | |
260 | ptr = end; | |
261 | while (start < ptr && isdigit(ptr[-1]) && ptr[-1] != ':') | |
262 | ptr--; | |
263 | if (start < ptr && ptr[-1] == ':') | |
264 | end = ptr - 1; | |
265 | } | |
266 | ||
b8c5db35 | 267 | /* |
e8959867 PS |
268 | * Find last component. To remain backwards compatible we |
269 | * also regard colons as path separators, such that | |
270 | * cloning a repository 'foo:bar.git' would result in a | |
271 | * directory 'bar' being guessed. | |
b8c5db35 | 272 | */ |
e8959867 PS |
273 | ptr = end; |
274 | while (start < ptr && !is_dir_sep(ptr[-1]) && ptr[-1] != ':') | |
275 | ptr--; | |
276 | start = ptr; | |
b8c5db35 JS |
277 | |
278 | /* | |
279 | * Strip .{bundle,git}. | |
280 | */ | |
db2e2204 JK |
281 | len = end - start; |
282 | strip_suffix_mem(start, &len, is_bundle ? ".bundle" : ".git"); | |
8434c2f1 | 283 | |
adef9561 | 284 | if (!len || (len == 1 && *start == '/')) |
39ad4f39 NTND |
285 | die(_("No directory name could be guessed.\n" |
286 | "Please specify a directory on the command line")); | |
adef9561 | 287 | |
7e837c64 SS |
288 | if (is_bare) |
289 | dir = xstrfmt("%.*s.git", (int)len, start); | |
290 | else | |
291 | dir = xstrndup(start, len); | |
8a94bc7b AR |
292 | /* |
293 | * Replace sequences of 'control' characters and whitespace | |
294 | * with one ascii space, remove leading and trailing spaces. | |
295 | */ | |
296 | if (*dir) { | |
297 | char *out = dir; | |
298 | int prev_space = 1 /* strip leading whitespace */; | |
299 | for (end = dir; *end; ++end) { | |
300 | char ch = *end; | |
301 | if ((unsigned char)ch < '\x20') | |
302 | ch = '\x20'; | |
303 | if (isspace(ch)) { | |
304 | if (prev_space) | |
305 | continue; | |
306 | prev_space = 1; | |
307 | } else | |
308 | prev_space = 0; | |
309 | *out++ = ch; | |
310 | } | |
311 | *out = '\0'; | |
312 | if (out > dir && prev_space) | |
313 | out[-1] = '\0'; | |
6612f877 | 314 | } |
8a94bc7b | 315 | return dir; |
8434c2f1 DB |
316 | } |
317 | ||
44a68fd5 CB |
318 | static void strip_trailing_slashes(char *dir) |
319 | { | |
320 | char *end = dir + strlen(dir); | |
321 | ||
322 | while (dir < end - 1 && is_dir_sep(end[-1])) | |
323 | end--; | |
324 | *end = '\0'; | |
325 | } | |
326 | ||
dbc92b07 | 327 | static int add_one_reference(struct string_list_item *item, void *cb_data) |
8434c2f1 | 328 | { |
9eeea7d2 | 329 | struct strbuf err = STRBUF_INIT; |
f7415b4d | 330 | int *required = cb_data; |
9eeea7d2 | 331 | char *ref_git = compute_alternate_path(item->string, &err); |
8434c2f1 | 332 | |
f7415b4d SB |
333 | if (!ref_git) { |
334 | if (*required) | |
335 | die("%s", err.buf); | |
336 | else | |
337 | fprintf(stderr, | |
338 | _("info: Could not add alternate for '%s': %s\n"), | |
339 | item->string, err.buf); | |
340 | } else { | |
341 | struct strbuf sb = STRBUF_INIT; | |
342 | strbuf_addf(&sb, "%s/objects", ref_git); | |
343 | add_to_alternates_file(sb.buf); | |
344 | strbuf_release(&sb); | |
345 | } | |
606e435a | 346 | |
9eeea7d2 | 347 | strbuf_release(&err); |
f7415b4d | 348 | free(ref_git); |
dbc92b07 JH |
349 | return 0; |
350 | } | |
8434c2f1 | 351 | |
dbc92b07 JH |
352 | static void setup_reference(void) |
353 | { | |
f7415b4d SB |
354 | int required = 1; |
355 | for_each_string_list(&option_required_reference, | |
356 | add_one_reference, &required); | |
357 | required = 0; | |
358 | for_each_string_list(&option_optional_reference, | |
359 | add_one_reference, &required); | |
8434c2f1 DB |
360 | } |
361 | ||
3c1dce88 | 362 | static void copy_alternates(struct strbuf *src, const char *src_repo) |
e6baf4a1 JH |
363 | { |
364 | /* | |
365 | * Read from the source objects/info/alternates file | |
366 | * and copy the entries to corresponding file in the | |
367 | * destination repository with add_to_alternates_file(). | |
368 | * Both src and dst have "$path/objects/info/alternates". | |
369 | * | |
370 | * Instead of copying bit-for-bit from the original, | |
371 | * we need to append to existing one so that the already | |
372 | * created entry via "clone -s" is not lost, and also | |
373 | * to turn entries with paths relative to the original | |
374 | * absolute, so that they can be used in the new repository. | |
375 | */ | |
02912f47 | 376 | FILE *in = xfopen(src->buf, "r"); |
e6baf4a1 JH |
377 | struct strbuf line = STRBUF_INIT; |
378 | ||
3f163962 | 379 | while (strbuf_getline(&line, in) != EOF) { |
dcf69262 | 380 | char *abs_path; |
e6baf4a1 JH |
381 | if (!line.len || line.buf[0] == '#') |
382 | continue; | |
383 | if (is_absolute_path(line.buf)) { | |
384 | add_to_alternates_file(line.buf); | |
385 | continue; | |
386 | } | |
dcf69262 | 387 | abs_path = mkpathdup("%s/objects/%s", src_repo, line.buf); |
22d3b8de JK |
388 | if (!normalize_path_copy(abs_path, abs_path)) |
389 | add_to_alternates_file(abs_path); | |
390 | else | |
391 | warning("skipping invalid relative alternate: %s/%s", | |
392 | src_repo, line.buf); | |
dcf69262 | 393 | free(abs_path); |
e6baf4a1 JH |
394 | } |
395 | strbuf_release(&line); | |
396 | fclose(in); | |
397 | } | |
398 | ||
14954b79 MT |
399 | static void mkdir_if_missing(const char *pathname, mode_t mode) |
400 | { | |
401 | struct stat st; | |
402 | ||
403 | if (!mkdir(pathname, mode)) | |
404 | return; | |
405 | ||
406 | if (errno != EEXIST) | |
407 | die_errno(_("failed to create directory '%s'"), pathname); | |
408 | else if (stat(pathname, &st)) | |
409 | die_errno(_("failed to stat '%s'"), pathname); | |
410 | else if (!S_ISDIR(st.st_mode)) | |
411 | die(_("%s exists and is not a directory"), pathname); | |
412 | } | |
413 | ||
e6baf4a1 | 414 | static void copy_or_link_directory(struct strbuf *src, struct strbuf *dest, |
ff7ccc8c | 415 | const char *src_repo) |
8434c2f1 | 416 | { |
8434c2f1 | 417 | int src_len, dest_len; |
ff7ccc8c MT |
418 | struct dir_iterator *iter; |
419 | int iter_status; | |
420 | unsigned int flags; | |
8434c2f1 | 421 | |
14954b79 | 422 | mkdir_if_missing(dest->buf, 0777); |
8434c2f1 | 423 | |
ff7ccc8c MT |
424 | flags = DIR_ITERATOR_PEDANTIC | DIR_ITERATOR_FOLLOW_SYMLINKS; |
425 | iter = dir_iterator_begin(src->buf, flags); | |
426 | ||
427 | if (!iter) | |
428 | die_errno(_("failed to start iterator over '%s'"), src->buf); | |
8434c2f1 | 429 | |
b9e125e0 MV |
430 | strbuf_addch(src, '/'); |
431 | src_len = src->len; | |
432 | strbuf_addch(dest, '/'); | |
433 | dest_len = dest->len; | |
8434c2f1 | 434 | |
ff7ccc8c | 435 | while ((iter_status = dir_iterator_advance(iter)) == ITER_OK) { |
b9e125e0 | 436 | strbuf_setlen(src, src_len); |
ff7ccc8c | 437 | strbuf_addstr(src, iter->relative_path); |
b9e125e0 | 438 | strbuf_setlen(dest, dest_len); |
ff7ccc8c MT |
439 | strbuf_addstr(dest, iter->relative_path); |
440 | ||
441 | if (S_ISDIR(iter->st.st_mode)) { | |
442 | mkdir_if_missing(dest->buf, 0777); | |
e6baf4a1 JH |
443 | continue; |
444 | } | |
445 | ||
446 | /* Files that cannot be copied bit-for-bit... */ | |
c4d9c506 | 447 | if (!fspathcmp(iter->relative_path, "info/alternates")) { |
3c1dce88 | 448 | copy_alternates(src, src_repo); |
8434c2f1 DB |
449 | continue; |
450 | } | |
451 | ||
b9e125e0 | 452 | if (unlink(dest->buf) && errno != ENOENT) |
e84d7b74 | 453 | die_errno(_("failed to unlink '%s'"), dest->buf); |
fdabc242 | 454 | if (!option_no_hardlinks) { |
36596fd2 | 455 | if (!link(real_path(src->buf), dest->buf)) |
fdabc242 | 456 | continue; |
189260b1 | 457 | if (option_local > 0) |
e84d7b74 | 458 | die_errno(_("failed to create link '%s'"), dest->buf); |
fdabc242 | 459 | option_no_hardlinks = 1; |
8434c2f1 | 460 | } |
f7835a25 | 461 | if (copy_file_with_time(dest->buf, src->buf, 0666)) |
e84d7b74 | 462 | die_errno(_("failed to copy file to '%s'"), dest->buf); |
8434c2f1 | 463 | } |
ff7ccc8c MT |
464 | |
465 | if (iter_status != ITER_DONE) { | |
466 | strbuf_setlen(src, src_len); | |
467 | die(_("failed to iterate over '%s'"), src->buf); | |
468 | } | |
8434c2f1 DB |
469 | } |
470 | ||
6f48d39f | 471 | static void clone_local(const char *src_repo, const char *dest_repo) |
8434c2f1 | 472 | { |
e6baf4a1 JH |
473 | if (option_shared) { |
474 | struct strbuf alt = STRBUF_INIT; | |
b3b05971 ES |
475 | get_common_dir(&alt, src_repo); |
476 | strbuf_addstr(&alt, "/objects"); | |
e6baf4a1 JH |
477 | add_to_alternates_file(alt.buf); |
478 | strbuf_release(&alt); | |
479 | } else { | |
480 | struct strbuf src = STRBUF_INIT; | |
481 | struct strbuf dest = STRBUF_INIT; | |
744e4697 NTND |
482 | get_common_dir(&src, src_repo); |
483 | get_common_dir(&dest, dest_repo); | |
484 | strbuf_addstr(&src, "/objects"); | |
485 | strbuf_addstr(&dest, "/objects"); | |
ff7ccc8c | 486 | copy_or_link_directory(&src, &dest, src_repo); |
b9e125e0 MV |
487 | strbuf_release(&src); |
488 | strbuf_release(&dest); | |
8434c2f1 DB |
489 | } |
490 | ||
28ba96ab | 491 | if (0 <= option_verbosity) |
68b939b2 | 492 | fprintf(stderr, _("done.\n")); |
8434c2f1 DB |
493 | } |
494 | ||
495 | static const char *junk_work_tree; | |
d45420c1 | 496 | static int junk_work_tree_flags; |
8434c2f1 | 497 | static const char *junk_git_dir; |
d45420c1 | 498 | static int junk_git_dir_flags; |
85064630 | 499 | static enum { |
d3b34622 JK |
500 | JUNK_LEAVE_NONE, |
501 | JUNK_LEAVE_REPO, | |
502 | JUNK_LEAVE_ALL | |
503 | } junk_mode = JUNK_LEAVE_NONE; | |
504 | ||
505 | static const char junk_leave_repo_msg[] = | |
506 | N_("Clone succeeded, but checkout failed.\n" | |
507 | "You can inspect what was checked out with 'git status'\n" | |
80f537f7 | 508 | "and retry with 'git restore --source=HEAD :/'\n"); |
8434c2f1 DB |
509 | |
510 | static void remove_junk(void) | |
511 | { | |
f285a2d7 | 512 | struct strbuf sb = STRBUF_INIT; |
d3b34622 JK |
513 | |
514 | switch (junk_mode) { | |
515 | case JUNK_LEAVE_REPO: | |
516 | warning("%s", _(junk_leave_repo_msg)); | |
517 | /* fall-through */ | |
518 | case JUNK_LEAVE_ALL: | |
519 | return; | |
520 | default: | |
521 | /* proceed to removal */ | |
522 | break; | |
523 | } | |
524 | ||
8434c2f1 DB |
525 | if (junk_git_dir) { |
526 | strbuf_addstr(&sb, junk_git_dir); | |
d45420c1 | 527 | remove_dir_recursively(&sb, junk_git_dir_flags); |
8434c2f1 DB |
528 | strbuf_reset(&sb); |
529 | } | |
530 | if (junk_work_tree) { | |
531 | strbuf_addstr(&sb, junk_work_tree); | |
d45420c1 | 532 | remove_dir_recursively(&sb, junk_work_tree_flags); |
8434c2f1 | 533 | } |
9c18b548 | 534 | strbuf_release(&sb); |
8434c2f1 DB |
535 | } |
536 | ||
537 | static void remove_junk_on_signal(int signo) | |
538 | { | |
539 | remove_junk(); | |
4a16d072 | 540 | sigchain_pop(signo); |
8434c2f1 DB |
541 | raise(signo); |
542 | } | |
543 | ||
9e585046 NTND |
544 | static struct ref *find_remote_branch(const struct ref *refs, const char *branch) |
545 | { | |
546 | struct ref *ref; | |
547 | struct strbuf head = STRBUF_INIT; | |
548 | strbuf_addstr(&head, "refs/heads/"); | |
549 | strbuf_addstr(&head, branch); | |
550 | ref = find_ref_by_name(refs, head.buf); | |
551 | strbuf_release(&head); | |
5a7d5b68 NTND |
552 | |
553 | if (ref) | |
554 | return ref; | |
555 | ||
556 | strbuf_addstr(&head, "refs/tags/"); | |
557 | strbuf_addstr(&head, branch); | |
558 | ref = find_ref_by_name(refs, head.buf); | |
559 | strbuf_release(&head); | |
560 | ||
9e585046 NTND |
561 | return ref; |
562 | } | |
563 | ||
5bdc32d3 | 564 | static struct ref *wanted_peer_refs(const struct ref *refs, |
515be833 | 565 | struct refspec *refspec) |
8434c2f1 | 566 | { |
c1921c18 JK |
567 | struct ref *head = copy_ref(find_ref_by_name(refs, "HEAD")); |
568 | struct ref *local_refs = head; | |
569 | struct ref **tail = head ? &head->next : &local_refs; | |
8434c2f1 | 570 | |
3e6e0edd NTND |
571 | if (option_single_branch) { |
572 | struct ref *remote_head = NULL; | |
573 | ||
574 | if (!option_branch) | |
575 | remote_head = guess_remote_head(head, refs, 0); | |
0ec4b165 NTND |
576 | else { |
577 | local_refs = NULL; | |
578 | tail = &local_refs; | |
579 | remote_head = copy_ref(find_remote_branch(refs, option_branch)); | |
580 | } | |
3e6e0edd NTND |
581 | |
582 | if (!remote_head && option_branch) | |
583 | warning(_("Could not find remote branch %s to clone."), | |
584 | option_branch); | |
5a7d5b68 | 585 | else { |
515be833 SG |
586 | int i; |
587 | for (i = 0; i < refspec->nr; i++) | |
588 | get_fetch_map(remote_head, &refspec->items[i], | |
589 | &tail, 0); | |
5a7d5b68 NTND |
590 | |
591 | /* if --branch=tag, pull the requested tag explicitly */ | |
592 | get_fetch_map(remote_head, tag_refspec, &tail, 0); | |
593 | } | |
515be833 SG |
594 | } else { |
595 | int i; | |
596 | for (i = 0; i < refspec->nr; i++) | |
597 | get_fetch_map(refs, &refspec->items[i], &tail, 0); | |
598 | } | |
3e6e0edd | 599 | |
0dab2468 | 600 | if (!option_mirror && !option_single_branch && !option_no_tags) |
468386a9 | 601 | get_fetch_map(refs, tag_refspec, &tail, 0); |
8434c2f1 | 602 | |
5bdc32d3 NP |
603 | return local_refs; |
604 | } | |
605 | ||
606 | static void write_remote_refs(const struct ref *local_refs) | |
607 | { | |
608 | const struct ref *r; | |
609 | ||
58f233ce MH |
610 | struct ref_transaction *t; |
611 | struct strbuf err = STRBUF_INIT; | |
612 | ||
613 | t = ref_transaction_begin(&err); | |
614 | if (!t) | |
615 | die("%s", err.buf); | |
9f69d297 | 616 | |
c1921c18 JK |
617 | for (r = local_refs; r; r = r->next) { |
618 | if (!r->peer_ref) | |
619 | continue; | |
89f3bbdd | 620 | if (ref_transaction_create(t, r->peer_ref->name, &r->old_oid, |
58f233ce MH |
621 | 0, NULL, &err)) |
622 | die("%s", err.buf); | |
c1921c18 | 623 | } |
3e8aded2 | 624 | |
58f233ce MH |
625 | if (initial_ref_transaction_commit(t, &err)) |
626 | die("%s", err.buf); | |
627 | ||
628 | strbuf_release(&err); | |
629 | ref_transaction_free(t); | |
8434c2f1 DB |
630 | } |
631 | ||
3e6e0edd NTND |
632 | static void write_followtags(const struct ref *refs, const char *msg) |
633 | { | |
634 | const struct ref *ref; | |
635 | for (ref = refs; ref; ref = ref->next) { | |
59556548 | 636 | if (!starts_with(ref->name, "refs/tags/")) |
3e6e0edd | 637 | continue; |
59556548 | 638 | if (ends_with(ref->name, "^{}")) |
3e6e0edd | 639 | continue; |
f4e54d02 | 640 | if (!has_object_file(&ref->old_oid)) |
3e6e0edd | 641 | continue; |
ae077771 | 642 | update_ref(msg, ref->name, &ref->old_oid, NULL, 0, |
643 | UPDATE_REFS_DIE_ON_ERR); | |
3e6e0edd NTND |
644 | } |
645 | } | |
646 | ||
6ccac9ee | 647 | static int iterate_ref_map(void *cb_data, struct object_id *oid) |
0433ad12 JK |
648 | { |
649 | struct ref **rm = cb_data; | |
650 | struct ref *ref = *rm; | |
651 | ||
652 | /* | |
653 | * Skip anything missing a peer_ref, which we are not | |
654 | * actually going to write a ref for. | |
655 | */ | |
656 | while (ref && !ref->peer_ref) | |
657 | ref = ref->next; | |
658 | /* Returning -1 notes "end of list" to the caller. */ | |
659 | if (!ref) | |
660 | return -1; | |
661 | ||
6ccac9ee | 662 | oidcpy(oid, &ref->old_oid); |
0433ad12 JK |
663 | *rm = ref->next; |
664 | return 0; | |
665 | } | |
666 | ||
960b7d1c NTND |
667 | static void update_remote_refs(const struct ref *refs, |
668 | const struct ref *mapped_refs, | |
669 | const struct ref *remote_head_points_at, | |
670 | const char *branch_top, | |
c6807a40 | 671 | const char *msg, |
45ed4afa | 672 | struct transport *transport, |
dfa33a29 JS |
673 | int check_connectivity, |
674 | int check_refs_only) | |
960b7d1c | 675 | { |
0433ad12 JK |
676 | const struct ref *rm = mapped_refs; |
677 | ||
125a05fd | 678 | if (check_connectivity) { |
7043c707 JK |
679 | struct check_connected_options opt = CHECK_CONNECTED_INIT; |
680 | ||
681 | opt.transport = transport; | |
38e590ea | 682 | opt.progress = transport->progress; |
dfa33a29 | 683 | opt.check_refs_only = !!check_refs_only; |
7043c707 | 684 | |
7043c707 | 685 | if (check_connected(iterate_ref_map, &rm, &opt)) |
125a05fd JK |
686 | die(_("remote did not send all necessary objects")); |
687 | } | |
0433ad12 | 688 | |
960b7d1c | 689 | if (refs) { |
960b7d1c | 690 | write_remote_refs(mapped_refs); |
0dab2468 | 691 | if (option_single_branch && !option_no_tags) |
960b7d1c NTND |
692 | write_followtags(refs, msg); |
693 | } | |
694 | ||
695 | if (remote_head_points_at && !option_bare) { | |
696 | struct strbuf head_ref = STRBUF_INIT; | |
697 | strbuf_addstr(&head_ref, branch_top); | |
698 | strbuf_addstr(&head_ref, "HEAD"); | |
4be49d75 JK |
699 | if (create_symref(head_ref.buf, |
700 | remote_head_points_at->peer_ref->name, | |
701 | msg) < 0) | |
39ad4f39 | 702 | die(_("unable to update %s"), head_ref.buf); |
4be49d75 | 703 | strbuf_release(&head_ref); |
960b7d1c NTND |
704 | } |
705 | } | |
706 | ||
f034d354 NTND |
707 | static void update_head(const struct ref *our, const struct ref *remote, |
708 | const char *msg) | |
709 | { | |
cf4fff57 JK |
710 | const char *head; |
711 | if (our && skip_prefix(our->name, "refs/heads/", &head)) { | |
f034d354 | 712 | /* Local default branch link */ |
4be49d75 | 713 | if (create_symref("HEAD", our->name, NULL) < 0) |
39ad4f39 | 714 | die(_("unable to update HEAD")); |
f034d354 | 715 | if (!option_bare) { |
ae077771 | 716 | update_ref(msg, "HEAD", &our->old_oid, NULL, 0, |
f4124112 | 717 | UPDATE_REFS_DIE_ON_ERR); |
f034d354 NTND |
718 | install_branch_config(0, head, option_origin, our->name); |
719 | } | |
5a7d5b68 | 720 | } else if (our) { |
2122f675 SB |
721 | struct commit *c = lookup_commit_reference(the_repository, |
722 | &our->old_oid); | |
5a7d5b68 | 723 | /* --branch specifies a non-branch (i.e. tags), detach HEAD */ |
91774afc | 724 | update_ref(msg, "HEAD", &c->object.oid, NULL, REF_NO_DEREF, |
ae077771 | 725 | UPDATE_REFS_DIE_ON_ERR); |
f034d354 NTND |
726 | } else if (remote) { |
727 | /* | |
728 | * We know remote HEAD points to a non-branch, or | |
920b691f | 729 | * HEAD points to a branch but we don't know which one. |
f034d354 NTND |
730 | * Detach HEAD in all these cases. |
731 | */ | |
91774afc | 732 | update_ref(msg, "HEAD", &remote->old_oid, NULL, REF_NO_DEREF, |
ae077771 | 733 | UPDATE_REFS_DIE_ON_ERR); |
f034d354 NTND |
734 | } |
735 | } | |
736 | ||
72c5f883 | 737 | static int checkout(int submodule_progress) |
c39852c1 | 738 | { |
ddc2cc64 | 739 | struct object_id oid; |
c39852c1 | 740 | char *head; |
837e34eb | 741 | struct lock_file lock_file = LOCK_INIT; |
c39852c1 NTND |
742 | struct unpack_trees_options opts; |
743 | struct tree *tree; | |
744 | struct tree_desc t; | |
03b86647 | 745 | int err = 0; |
c39852c1 NTND |
746 | |
747 | if (option_no_checkout) | |
748 | return 0; | |
749 | ||
0f2dc722 | 750 | head = resolve_refdup("HEAD", RESOLVE_REF_READING, &oid, NULL); |
c39852c1 NTND |
751 | if (!head) { |
752 | warning(_("remote HEAD refers to nonexistent ref, " | |
753 | "unable to checkout.\n")); | |
754 | return 0; | |
755 | } | |
2857093b NTND |
756 | if (!strcmp(head, "HEAD")) { |
757 | if (advice_detached_head) | |
ddc2cc64 | 758 | detach_advice(oid_to_hex(&oid)); |
2857093b | 759 | } else { |
59556548 | 760 | if (!starts_with(head, "refs/heads/")) |
c39852c1 NTND |
761 | die(_("HEAD not found below refs/heads!")); |
762 | } | |
763 | free(head); | |
764 | ||
765 | /* We need to be in the new work tree for the checkout */ | |
766 | setup_work_tree(); | |
767 | ||
837e34eb | 768 | hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR); |
c39852c1 NTND |
769 | |
770 | memset(&opts, 0, sizeof opts); | |
771 | opts.update = 1; | |
772 | opts.merge = 1; | |
b878579a | 773 | opts.clone = 1; |
c39852c1 | 774 | opts.fn = oneway_merge; |
8f63da13 | 775 | opts.verbose_update = (option_verbosity >= 0); |
c39852c1 NTND |
776 | opts.src_index = &the_index; |
777 | opts.dst_index = &the_index; | |
778 | ||
a9dbc179 | 779 | tree = parse_tree_indirect(&oid); |
c39852c1 NTND |
780 | parse_tree(tree); |
781 | init_tree_desc(&t, tree->buffer, tree->size); | |
0aac7bb2 JK |
782 | if (unpack_trees(1, &t, &opts) < 0) |
783 | die(_("unable to checkout working tree")); | |
c39852c1 | 784 | |
837e34eb | 785 | if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK)) |
c39852c1 NTND |
786 | die(_("unable to write new index file")); |
787 | ||
15048f8a | 788 | err |= run_hook_le(NULL, "post-checkout", sha1_to_hex(null_sha1), |
ddc2cc64 | 789 | oid_to_hex(&oid), "1", NULL); |
c39852c1 | 790 | |
bb62e0a9 | 791 | if (!err && (option_recurse_submodules.nr > 0)) { |
72290d6a SB |
792 | struct argv_array args = ARGV_ARRAY_INIT; |
793 | argv_array_pushl(&args, "submodule", "update", "--init", "--recursive", NULL); | |
794 | ||
18a74a09 | 795 | if (option_shallow_submodules == 1) |
d22eb044 SB |
796 | argv_array_push(&args, "--depth=1"); |
797 | ||
72290d6a SB |
798 | if (max_jobs != -1) |
799 | argv_array_pushf(&args, "--jobs=%d", max_jobs); | |
800 | ||
72c5f883 JK |
801 | if (submodule_progress) |
802 | argv_array_push(&args, "--progress"); | |
803 | ||
03c004c5 BW |
804 | if (option_verbosity < 0) |
805 | argv_array_push(&args, "--quiet"); | |
806 | ||
4c691016 BA |
807 | if (option_remote_submodules) { |
808 | argv_array_push(&args, "--remote"); | |
809 | argv_array_push(&args, "--no-fetch"); | |
810 | } | |
811 | ||
72290d6a SB |
812 | err = run_command_v_opt(args.argv, RUN_GIT_CMD); |
813 | argv_array_clear(&args); | |
814 | } | |
c39852c1 NTND |
815 | |
816 | return err; | |
817 | } | |
818 | ||
84054f79 JK |
819 | static int write_one_config(const char *key, const char *value, void *data) |
820 | { | |
db4eca1f JN |
821 | return git_config_set_multivar_gently(key, |
822 | value ? value : "true", | |
823 | CONFIG_REGEX_NONE, 0); | |
84054f79 JK |
824 | } |
825 | ||
826 | static void write_config(struct string_list *config) | |
827 | { | |
828 | int i; | |
829 | ||
830 | for (i = 0; i < config->nr; i++) { | |
831 | if (git_config_parse_parameter(config->items[i].string, | |
832 | write_one_config, NULL) < 0) | |
39ad4f39 | 833 | die(_("unable to write parameters to config file")); |
84054f79 JK |
834 | } |
835 | } | |
836 | ||
24d36f14 DA |
837 | static void write_refspec_config(const char *src_ref_prefix, |
838 | const struct ref *our_head_points_at, | |
839 | const struct ref *remote_head_points_at, | |
840 | struct strbuf *branch_top) | |
31b808a0 RT |
841 | { |
842 | struct strbuf key = STRBUF_INIT; | |
843 | struct strbuf value = STRBUF_INIT; | |
844 | ||
845 | if (option_mirror || !option_bare) { | |
846 | if (option_single_branch && !option_mirror) { | |
847 | if (option_branch) { | |
60a5f5fc | 848 | if (starts_with(our_head_points_at->name, "refs/tags/")) |
31b808a0 RT |
849 | strbuf_addf(&value, "+%s:%s", our_head_points_at->name, |
850 | our_head_points_at->name); | |
851 | else | |
852 | strbuf_addf(&value, "+%s:%s%s", our_head_points_at->name, | |
853 | branch_top->buf, option_branch); | |
854 | } else if (remote_head_points_at) { | |
cf4fff57 JK |
855 | const char *head = remote_head_points_at->name; |
856 | if (!skip_prefix(head, "refs/heads/", &head)) | |
033abf97 | 857 | BUG("remote HEAD points at non-head?"); |
cf4fff57 | 858 | |
31b808a0 | 859 | strbuf_addf(&value, "+%s:%s%s", remote_head_points_at->name, |
cf4fff57 | 860 | branch_top->buf, head); |
31b808a0 RT |
861 | } |
862 | /* | |
863 | * otherwise, the next "git fetch" will | |
864 | * simply fetch from HEAD without updating | |
d6ac1d21 | 865 | * any remote-tracking branch, which is what |
31b808a0 RT |
866 | * we want. |
867 | */ | |
868 | } else { | |
869 | strbuf_addf(&value, "+%s*:%s*", src_ref_prefix, branch_top->buf); | |
870 | } | |
871 | /* Configure the remote */ | |
872 | if (value.len) { | |
873 | strbuf_addf(&key, "remote.%s.fetch", option_origin); | |
874 | git_config_set_multivar(key.buf, value.buf, "^$", 0); | |
875 | strbuf_reset(&key); | |
876 | ||
877 | if (option_mirror) { | |
878 | strbuf_addf(&key, "remote.%s.mirror", option_origin); | |
879 | git_config_set(key.buf, "true"); | |
880 | strbuf_reset(&key); | |
881 | } | |
882 | } | |
883 | } | |
884 | ||
885 | strbuf_release(&key); | |
886 | strbuf_release(&value); | |
887 | } | |
888 | ||
fb1d6dab JH |
889 | static void dissociate_from_references(void) |
890 | { | |
891 | static const char* argv[] = { "repack", "-a", "-d", NULL }; | |
0181681e | 892 | char *alternates = git_pathdup("objects/info/alternates"); |
fb1d6dab | 893 | |
0181681e AR |
894 | if (!access(alternates, F_OK)) { |
895 | if (run_command_v_opt(argv, RUN_GIT_CMD|RUN_COMMAND_NO_STDIN)) | |
896 | die(_("cannot repack to clean up")); | |
897 | if (unlink(alternates) && errno != ENOENT) | |
898 | die_errno(_("cannot unlink temporary alternates file")); | |
899 | } | |
900 | free(alternates); | |
fb1d6dab JH |
901 | } |
902 | ||
f9e377ad JK |
903 | static int dir_exists(const char *path) |
904 | { | |
905 | struct stat sb; | |
906 | return !stat(path, &sb); | |
907 | } | |
908 | ||
8434c2f1 DB |
909 | int cmd_clone(int argc, const char **argv, const char *prefix) |
910 | { | |
24c61c44 | 911 | int is_bundle = 0, is_local; |
8434c2f1 DB |
912 | const char *repo_name, *repo, *work_tree, *git_dir; |
913 | char *path, *dir; | |
55892d23 | 914 | int dest_exists; |
37148311 | 915 | const struct ref *refs, *remote_head; |
7a4ee28f JK |
916 | const struct ref *remote_head_points_at; |
917 | const struct ref *our_head_points_at; | |
37148311 | 918 | struct ref *mapped_refs; |
90498161 | 919 | const struct ref *ref; |
3e42cb3b SG |
920 | struct strbuf key = STRBUF_INIT; |
921 | struct strbuf default_refspec = STRBUF_INIT; | |
b5ff37ac | 922 | struct strbuf branch_top = STRBUF_INIT, reflog_msg = STRBUF_INIT; |
1db4a75c | 923 | struct transport *transport = NULL; |
9e585046 | 924 | const char *src_ref_prefix = "refs/heads/"; |
6f48d39f | 925 | struct remote *remote; |
90498161 | 926 | int err = 0, complete_refs_before_fetch = 1; |
72c5f883 | 927 | int submodule_progress; |
8434c2f1 | 928 | |
402c47d9 | 929 | struct argv_array ref_prefixes = ARGV_ARRAY_INIT; |
8434c2f1 | 930 | |
548719fb JT |
931 | fetch_if_missing = 0; |
932 | ||
bbc30f99 | 933 | packet_trace_identity("clone"); |
37782920 | 934 | argc = parse_options(argc, argv, prefix, builtin_clone_options, |
8434c2f1 DB |
935 | builtin_clone_usage, 0); |
936 | ||
d52dc4b1 | 937 | if (argc > 2) |
e84d7b74 | 938 | usage_msg_opt(_("Too many arguments."), |
d52dc4b1 JN |
939 | builtin_clone_usage, builtin_clone_options); |
940 | ||
8434c2f1 | 941 | if (argc == 0) |
e84d7b74 | 942 | usage_msg_opt(_("You must specify a repository to clone."), |
d52dc4b1 | 943 | builtin_clone_usage, builtin_clone_options); |
8434c2f1 | 944 | |
859e5df9 | 945 | if (option_depth || option_since || option_not.nr) |
994c2aaf | 946 | deepen = 1; |
3e6e0edd | 947 | if (option_single_branch == -1) |
994c2aaf | 948 | option_single_branch = deepen ? 1 : 0; |
3e6e0edd | 949 | |
bc699afc JS |
950 | if (option_mirror) |
951 | option_bare = 1; | |
952 | ||
8434c2f1 DB |
953 | if (option_bare) { |
954 | if (option_origin) | |
e84d7b74 | 955 | die(_("--bare and --origin %s options are incompatible."), |
8434c2f1 | 956 | option_origin); |
95b63f1e NTND |
957 | if (real_git_dir) |
958 | die(_("--bare and --separate-git-dir are incompatible.")); | |
8434c2f1 | 959 | option_no_checkout = 1; |
8434c2f1 DB |
960 | } |
961 | ||
962 | if (!option_origin) | |
963 | option_origin = "origin"; | |
964 | ||
965 | repo_name = argv[0]; | |
966 | ||
967 | path = get_repo_path(repo_name, &is_bundle); | |
968 | if (path) | |
0aaad415 | 969 | repo = absolute_pathdup(repo_name); |
8434c2f1 | 970 | else if (!strchr(repo_name, ':')) |
d3e1ddfd | 971 | die(_("repository '%s' does not exist"), repo_name); |
8434c2f1 DB |
972 | else |
973 | repo = repo_name; | |
974 | ||
5594bcad NTND |
975 | /* no need to be strict, transport_set_option() will validate it again */ |
976 | if (option_depth && atoi(option_depth) < 1) | |
977 | die(_("depth %s is not a positive number"), option_depth); | |
978 | ||
8434c2f1 DB |
979 | if (argc == 2) |
980 | dir = xstrdup(argv[1]); | |
981 | else | |
6612f877 | 982 | dir = guess_dir_name(repo_name, is_bundle, option_bare); |
44a68fd5 | 983 | strip_trailing_slashes(dir); |
8434c2f1 | 984 | |
f9e377ad | 985 | dest_exists = dir_exists(dir); |
55892d23 | 986 | if (dest_exists && !is_empty_dir(dir)) |
e84d7b74 ÆAB |
987 | die(_("destination path '%s' already exists and is not " |
988 | "an empty directory."), dir); | |
8434c2f1 | 989 | |
8434c2f1 DB |
990 | strbuf_addf(&reflog_msg, "clone: from %s", repo); |
991 | ||
992 | if (option_bare) | |
993 | work_tree = NULL; | |
994 | else { | |
995 | work_tree = getenv("GIT_WORK_TREE"); | |
f9e377ad | 996 | if (work_tree && dir_exists(work_tree)) |
e84d7b74 | 997 | die(_("working tree '%s' already exists."), work_tree); |
8434c2f1 DB |
998 | } |
999 | ||
1000 | if (option_bare || work_tree) | |
1001 | git_dir = xstrdup(dir); | |
1002 | else { | |
1003 | work_tree = dir; | |
4e2d094d | 1004 | git_dir = mkpathdup("%s/.git", dir); |
8434c2f1 DB |
1005 | } |
1006 | ||
ee0e3872 JK |
1007 | atexit(remove_junk); |
1008 | sigchain_push_common(remove_junk_on_signal); | |
1009 | ||
8434c2f1 | 1010 | if (!option_bare) { |
8e21d63b | 1011 | if (safe_create_leading_directories_const(work_tree) < 0) |
e84d7b74 | 1012 | die_errno(_("could not create leading directories of '%s'"), |
d824cbba | 1013 | work_tree); |
d45420c1 JK |
1014 | if (dest_exists) |
1015 | junk_work_tree_flags |= REMOVE_DIR_KEEP_TOPLEVEL; | |
1016 | else if (mkdir(work_tree, 0777)) | |
16eff6c0 | 1017 | die_errno(_("could not create work tree dir '%s'"), |
d824cbba | 1018 | work_tree); |
ee0e3872 | 1019 | junk_work_tree = work_tree; |
8434c2f1 DB |
1020 | set_git_work_tree(work_tree); |
1021 | } | |
8434c2f1 | 1022 | |
d45420c1 JK |
1023 | if (real_git_dir) { |
1024 | if (dir_exists(real_git_dir)) | |
1025 | junk_git_dir_flags |= REMOVE_DIR_KEEP_TOPLEVEL; | |
1026 | junk_git_dir = real_git_dir; | |
1027 | } else { | |
1028 | if (dest_exists) | |
1029 | junk_git_dir_flags |= REMOVE_DIR_KEEP_TOPLEVEL; | |
1030 | junk_git_dir = git_dir; | |
1031 | } | |
8e21d63b | 1032 | if (safe_create_leading_directories_const(git_dir) < 0) |
e84d7b74 | 1033 | die(_("could not create leading directories of '%s'"), git_dir); |
b57fb80a | 1034 | |
3781fcce ÆAB |
1035 | if (0 <= option_verbosity) { |
1036 | if (option_bare) | |
68b939b2 | 1037 | fprintf(stderr, _("Cloning into bare repository '%s'...\n"), dir); |
3781fcce | 1038 | else |
68b939b2 | 1039 | fprintf(stderr, _("Cloning into '%s'...\n"), dir); |
3781fcce | 1040 | } |
31224cbd | 1041 | |
bb62e0a9 BW |
1042 | if (option_recurse_submodules.nr > 0) { |
1043 | struct string_list_item *item; | |
1044 | struct strbuf sb = STRBUF_INIT; | |
1045 | ||
1046 | /* remove duplicates */ | |
1047 | string_list_sort(&option_recurse_submodules); | |
1048 | string_list_remove_duplicates(&option_recurse_submodules, 0); | |
1049 | ||
1050 | /* | |
1051 | * NEEDSWORK: In a multi-working-tree world, this needs to be | |
1052 | * set in the per-worktree config. | |
1053 | */ | |
1054 | for_each_string_list_item(item, &option_recurse_submodules) { | |
1055 | strbuf_addf(&sb, "submodule.active=%s", | |
1056 | item->string); | |
1057 | string_list_append(&option_config, | |
1058 | strbuf_detach(&sb, NULL)); | |
1059 | } | |
1060 | ||
31224cbd SB |
1061 | if (option_required_reference.nr && |
1062 | option_optional_reference.nr) | |
1063 | die(_("clone --recursive is not compatible with " | |
1064 | "both --reference and --reference-if-able")); | |
1065 | else if (option_required_reference.nr) { | |
1066 | string_list_append(&option_config, | |
1067 | "submodule.alternateLocation=superproject"); | |
1068 | string_list_append(&option_config, | |
1069 | "submodule.alternateErrorStrategy=die"); | |
1070 | } else if (option_optional_reference.nr) { | |
1071 | string_list_append(&option_config, | |
1072 | "submodule.alternateLocation=superproject"); | |
1073 | string_list_append(&option_config, | |
1074 | "submodule.alternateErrorStrategy=info"); | |
1075 | } | |
1076 | } | |
1077 | ||
33158701 NTND |
1078 | init_db(git_dir, real_git_dir, option_template, INIT_DB_QUIET); |
1079 | ||
1080 | if (real_git_dir) | |
1081 | git_dir = real_git_dir; | |
1082 | ||
84054f79 | 1083 | write_config(&option_config); |
8434c2f1 | 1084 | |
9bd81e42 | 1085 | git_config(git_default_config, NULL); |
8434c2f1 DB |
1086 | |
1087 | if (option_bare) { | |
bc699afc JS |
1088 | if (option_mirror) |
1089 | src_ref_prefix = "refs/"; | |
b5ff37ac | 1090 | strbuf_addstr(&branch_top, src_ref_prefix); |
8434c2f1 DB |
1091 | |
1092 | git_config_set("core.bare", "true"); | |
1093 | } else { | |
b5ff37ac | 1094 | strbuf_addf(&branch_top, "refs/remotes/%s/", option_origin); |
bc699afc | 1095 | } |
8434c2f1 | 1096 | |
df61c889 SR |
1097 | strbuf_addf(&key, "remote.%s.url", option_origin); |
1098 | git_config_set(key.buf, repo); | |
1099 | strbuf_reset(&key); | |
1100 | ||
0dab2468 ÆAB |
1101 | if (option_no_tags) { |
1102 | strbuf_addf(&key, "remote.%s.tagOpt", option_origin); | |
1103 | git_config_set(key.buf, "--no-tags"); | |
1104 | strbuf_reset(&key); | |
1105 | } | |
1106 | ||
f7415b4d | 1107 | if (option_required_reference.nr || option_optional_reference.nr) |
dbc92b07 | 1108 | setup_reference(); |
766ac6a6 | 1109 | |
515be833 | 1110 | remote = remote_get(option_origin); |
689f0396 | 1111 | |
3e42cb3b SG |
1112 | strbuf_addf(&default_refspec, "+%s*:%s*", src_ref_prefix, |
1113 | branch_top.buf); | |
515be833 | 1114 | refspec_append(&remote->fetch, default_refspec.buf); |
8434c2f1 | 1115 | |
6f48d39f | 1116 | transport = transport_get(remote, remote->url[0]); |
822f0c4f | 1117 | transport_set_verbosity(transport, option_verbosity, option_progress); |
c915f11e | 1118 | transport->family = family; |
822f0c4f | 1119 | |
f38aa83f MB |
1120 | path = get_repo_path(remote->url[0], &is_bundle); |
1121 | is_local = option_local != 0 && path && !is_bundle; | |
1122 | if (is_local) { | |
1123 | if (option_depth) | |
1124 | warning(_("--depth is ignored in local clones; use file:// instead.")); | |
994c2aaf NTND |
1125 | if (option_since) |
1126 | warning(_("--shallow-since is ignored in local clones; use file:// instead.")); | |
859e5df9 NTND |
1127 | if (option_not.nr) |
1128 | warning(_("--shallow-exclude is ignored in local clones; use file:// instead.")); | |
548719fb JT |
1129 | if (filter_options.choice) |
1130 | warning(_("--filter is ignored in local clones; use file:// instead.")); | |
f38aa83f MB |
1131 | if (!access(mkpath("%s/shallow", path), F_OK)) { |
1132 | if (option_local > 0) | |
1133 | warning(_("source repository is shallow, ignoring --local")); | |
1134 | is_local = 0; | |
1135 | } | |
1136 | } | |
1137 | if (option_local > 0 && !is_local) | |
1138 | warning(_("--local is ignored")); | |
beea4152 | 1139 | transport->cloning = 1; |
8434c2f1 | 1140 | |
643f918d | 1141 | transport_set_option(transport, TRANS_OPT_KEEP, "yes"); |
8434c2f1 | 1142 | |
643f918d JK |
1143 | if (option_depth) |
1144 | transport_set_option(transport, TRANS_OPT_DEPTH, | |
1145 | option_depth); | |
994c2aaf NTND |
1146 | if (option_since) |
1147 | transport_set_option(transport, TRANS_OPT_DEEPEN_SINCE, | |
1148 | option_since); | |
859e5df9 NTND |
1149 | if (option_not.nr) |
1150 | transport_set_option(transport, TRANS_OPT_DEEPEN_NOT, | |
1151 | (const char *)&option_not); | |
643f918d JK |
1152 | if (option_single_branch) |
1153 | transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, "1"); | |
8434c2f1 | 1154 | |
643f918d JK |
1155 | if (option_upload_pack) |
1156 | transport_set_option(transport, TRANS_OPT_UPLOADPACK, | |
1157 | option_upload_pack); | |
c6807a40 | 1158 | |
6e983059 JT |
1159 | if (server_options.nr) |
1160 | transport->server_options = &server_options; | |
1161 | ||
548719fb | 1162 | if (filter_options.choice) { |
87c2d9d3 JS |
1163 | struct strbuf expanded_filter_spec = STRBUF_INIT; |
1164 | expand_list_objects_filter_spec(&filter_options, | |
1165 | &expanded_filter_spec); | |
548719fb | 1166 | transport_set_option(transport, TRANS_OPT_LIST_OBJECTS_FILTER, |
87c2d9d3 | 1167 | expanded_filter_spec.buf); |
548719fb | 1168 | transport_set_option(transport, TRANS_OPT_FROM_PROMISOR, "1"); |
87c2d9d3 | 1169 | strbuf_release(&expanded_filter_spec); |
548719fb JT |
1170 | } |
1171 | ||
1172 | if (transport->smart_options && !deepen && !filter_options.choice) | |
643f918d | 1173 | transport->smart_options->check_self_contained_and_connected = 1; |
8434c2f1 | 1174 | |
402c47d9 BW |
1175 | |
1176 | argv_array_push(&ref_prefixes, "HEAD"); | |
515be833 | 1177 | refspec_ref_prefixes(&remote->fetch, &ref_prefixes); |
402c47d9 BW |
1178 | if (option_branch) |
1179 | expand_ref_prefix(&ref_prefixes, option_branch); | |
1180 | if (!option_no_tags) | |
1181 | argv_array_push(&ref_prefixes, "refs/tags/"); | |
1182 | ||
1183 | refs = transport_get_remote_refs(transport, &ref_prefixes); | |
8434c2f1 | 1184 | |
5b05795c | 1185 | if (refs) { |
515be833 | 1186 | mapped_refs = wanted_peer_refs(refs, &remote->fetch); |
5b05795c MH |
1187 | /* |
1188 | * transport_get_remote_refs() may return refs with null sha-1 | |
1189 | * in mapped_refs (see struct transport->get_refs_list | |
1190 | * comment). In that case we need fetch it early because | |
1191 | * remote_head code below relies on it. | |
1192 | * | |
1193 | * for normal clones, transport_get_remote_refs() should | |
1194 | * return reliable ref set, we can delay cloning until after | |
1195 | * remote HEAD check. | |
1196 | */ | |
1197 | for (ref = refs; ref; ref = ref->next) | |
f4e54d02 | 1198 | if (is_null_oid(&ref->old_oid)) { |
5b05795c MH |
1199 | complete_refs_before_fetch = 0; |
1200 | break; | |
1201 | } | |
90498161 | 1202 | |
5b05795c | 1203 | if (!is_local && !complete_refs_before_fetch) |
e2842b39 | 1204 | transport_fetch_refs(transport, mapped_refs); |
8434c2f1 | 1205 | |
6cb4e6cc | 1206 | remote_head = find_ref_by_name(refs, "HEAD"); |
7a4ee28f JK |
1207 | remote_head_points_at = |
1208 | guess_remote_head(remote_head, mapped_refs, 0); | |
1209 | ||
1210 | if (option_branch) { | |
7a4ee28f | 1211 | our_head_points_at = |
9e585046 | 1212 | find_remote_branch(mapped_refs, option_branch); |
7a4ee28f | 1213 | |
920b691f NTND |
1214 | if (!our_head_points_at) |
1215 | die(_("Remote branch %s not found in upstream %s"), | |
1216 | option_branch, option_origin); | |
7a4ee28f JK |
1217 | } |
1218 | else | |
1219 | our_head_points_at = remote_head_points_at; | |
86ac7518 SR |
1220 | } |
1221 | else { | |
a3552aba RT |
1222 | if (option_branch) |
1223 | die(_("Remote branch %s not found in upstream %s"), | |
1224 | option_branch, option_origin); | |
1225 | ||
e84d7b74 | 1226 | warning(_("You appear to have cloned an empty repository.")); |
5b05795c | 1227 | mapped_refs = NULL; |
7a4ee28f JK |
1228 | our_head_points_at = NULL; |
1229 | remote_head_points_at = NULL; | |
86ac7518 SR |
1230 | remote_head = NULL; |
1231 | option_no_checkout = 1; | |
5cd12b85 | 1232 | if (!option_bare) |
a9f2c136 | 1233 | install_branch_config(0, "master", option_origin, |
5cd12b85 | 1234 | "refs/heads/master"); |
86ac7518 | 1235 | } |
8434c2f1 | 1236 | |
31b808a0 RT |
1237 | write_refspec_config(src_ref_prefix, our_head_points_at, |
1238 | remote_head_points_at, &branch_top); | |
1239 | ||
548719fb | 1240 | if (filter_options.choice) |
1c4a9f91 | 1241 | partial_clone_register(option_origin, &filter_options); |
548719fb | 1242 | |
6f48d39f NTND |
1243 | if (is_local) |
1244 | clone_local(path, git_dir); | |
90498161 | 1245 | else if (refs && complete_refs_before_fetch) |
e2842b39 | 1246 | transport_fetch_refs(transport, mapped_refs); |
8434c2f1 | 1247 | |
960b7d1c | 1248 | update_remote_refs(refs, mapped_refs, remote_head_points_at, |
548719fb | 1249 | branch_top.buf, reflog_msg.buf, transport, |
dfa33a29 | 1250 | !is_local, filter_options.choice); |
8434c2f1 | 1251 | |
f034d354 | 1252 | update_head(our_head_points_at, remote_head, reflog_msg.buf); |
1db4a75c | 1253 | |
72c5f883 JK |
1254 | /* |
1255 | * We want to show progress for recursive submodule clones iff | |
1256 | * we did so for the main clone. But only the transport knows | |
1257 | * the final decision for this flag, so we need to rescue the value | |
1258 | * before we free the transport. | |
1259 | */ | |
1260 | submodule_progress = transport->progress; | |
1261 | ||
6f48d39f NTND |
1262 | transport_unlock_pack(transport); |
1263 | transport_disconnect(transport); | |
1db4a75c | 1264 | |
786b150c | 1265 | if (option_dissociate) { |
2d511cfc | 1266 | close_object_store(the_repository->objects); |
fb1d6dab | 1267 | dissociate_from_references(); |
786b150c | 1268 | } |
fb1d6dab | 1269 | |
d3b34622 | 1270 | junk_mode = JUNK_LEAVE_REPO; |
548719fb | 1271 | fetch_if_missing = 1; |
72c5f883 | 1272 | err = checkout(submodule_progress); |
8434c2f1 DB |
1273 | |
1274 | strbuf_release(&reflog_msg); | |
b5ff37ac MV |
1275 | strbuf_release(&branch_top); |
1276 | strbuf_release(&key); | |
3e42cb3b | 1277 | strbuf_release(&default_refspec); |
d3b34622 | 1278 | junk_mode = JUNK_LEAVE_ALL; |
50b67732 | 1279 | |
402c47d9 | 1280 | argv_array_clear(&ref_prefixes); |
dfa7a6c5 | 1281 | return err; |
8434c2f1 | 1282 | } |