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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" | |
4a16d072 | 26 | #include "sigchain.h" |
a9f2c136 | 27 | #include "branch.h" |
8ef51733 | 28 | #include "remote.h" |
dfa7a6c5 | 29 | #include "run-command.h" |
0433ad12 | 30 | #include "connected.h" |
3836d88a | 31 | #include "packfile.h" |
548719fb | 32 | #include "list-objects-filter-options.h" |
0d4a1321 | 33 | #include "object-store.h" |
8434c2f1 DB |
34 | |
35 | /* | |
36 | * Overall FIXMEs: | |
37 | * - respect DB_ENVIRONMENT for .git/objects. | |
38 | * | |
39 | * Implementation notes: | |
40 | * - dropping use-separate-remote and no-separate-remote compatibility | |
41 | * | |
42 | */ | |
43 | static const char * const builtin_clone_usage[] = { | |
9c9b4f2f | 44 | N_("git clone [<options>] [--] <repo> [<dir>]"), |
8434c2f1 DB |
45 | NULL |
46 | }; | |
47 | ||
3e6e0edd | 48 | static int option_no_checkout, option_bare, option_mirror, option_single_branch = -1; |
bb62e0a9 | 49 | static int option_local = -1, option_no_hardlinks, option_shared; |
0dab2468 | 50 | static int option_no_tags; |
18a74a09 | 51 | static int option_shallow_submodules; |
994c2aaf NTND |
52 | static int deepen; |
53 | static char *option_template, *option_depth, *option_since; | |
8434c2f1 | 54 | static char *option_origin = NULL; |
7a4ee28f | 55 | static char *option_branch = NULL; |
859e5df9 | 56 | static struct string_list option_not = STRING_LIST_INIT_NODUP; |
b57fb80a | 57 | static const char *real_git_dir; |
8434c2f1 | 58 | static char *option_upload_pack = "git-upload-pack"; |
5bd631b3 | 59 | static int option_verbosity; |
01fdc21f | 60 | static int option_progress = -1; |
c915f11e | 61 | static enum transport_family family; |
2721ce21 | 62 | static struct string_list option_config = STRING_LIST_INIT_NODUP; |
5e40800d | 63 | static struct string_list option_required_reference = STRING_LIST_INIT_NODUP; |
f7415b4d | 64 | static struct string_list option_optional_reference = STRING_LIST_INIT_NODUP; |
fb1d6dab | 65 | static int option_dissociate; |
72290d6a | 66 | static int max_jobs = -1; |
bb62e0a9 | 67 | static struct string_list option_recurse_submodules = STRING_LIST_INIT_NODUP; |
548719fb | 68 | static struct list_objects_filter_options filter_options; |
bb62e0a9 BW |
69 | |
70 | static int recurse_submodules_cb(const struct option *opt, | |
71 | const char *arg, int unset) | |
72 | { | |
73 | if (unset) | |
74 | string_list_clear((struct string_list *)opt->value, 0); | |
75 | else if (arg) | |
76 | string_list_append((struct string_list *)opt->value, arg); | |
77 | else | |
78 | string_list_append((struct string_list *)opt->value, | |
79 | (const char *)opt->defval); | |
80 | ||
81 | return 0; | |
82 | } | |
dbc92b07 | 83 | |
8434c2f1 | 84 | static struct option builtin_clone_options[] = { |
5bd631b3 | 85 | OPT__VERBOSITY(&option_verbosity), |
01fdc21f | 86 | OPT_BOOL(0, "progress", &option_progress, |
32b77add | 87 | N_("force progress reporting")), |
d5d09d47 SB |
88 | OPT_BOOL('n', "no-checkout", &option_no_checkout, |
89 | N_("don't create a checkout")), | |
4741edd5 SB |
90 | OPT_BOOL(0, "bare", &option_bare, N_("create a bare repository")), |
91 | OPT_HIDDEN_BOOL(0, "naked", &option_bare, | |
92 | N_("create a bare repository")), | |
d5d09d47 SB |
93 | OPT_BOOL(0, "mirror", &option_mirror, |
94 | N_("create a mirror repository (implies bare)")), | |
189260b1 | 95 | OPT_BOOL('l', "local", &option_local, |
32b77add | 96 | N_("to clone from a local repository")), |
d5d09d47 | 97 | OPT_BOOL(0, "no-hardlinks", &option_no_hardlinks, |
32b77add | 98 | N_("don't use local hardlinks, always copy")), |
d5d09d47 | 99 | OPT_BOOL('s', "shared", &option_shared, |
32b77add | 100 | N_("setup as shared repository")), |
bb62e0a9 BW |
101 | { OPTION_CALLBACK, 0, "recursive", &option_recurse_submodules, |
102 | N_("pathspec"), N_("initialize submodules in the clone"), | |
103 | PARSE_OPT_OPTARG | PARSE_OPT_HIDDEN, recurse_submodules_cb, | |
104 | (intptr_t)"." }, | |
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")), | |
c915f11e EW |
140 | OPT_SET_INT('4', "ipv4", &family, N_("use IPv4 addresses only"), |
141 | TRANSPORT_FAMILY_IPV4), | |
142 | OPT_SET_INT('6', "ipv6", &family, N_("use IPv6 addresses only"), | |
143 | TRANSPORT_FAMILY_IPV6), | |
548719fb | 144 | OPT_PARSE_LIST_OBJECTS_FILTER(&filter_options), |
8434c2f1 DB |
145 | OPT_END() |
146 | }; | |
147 | ||
0ea68e42 | 148 | static const char *get_repo_path_1(struct strbuf *path, int *is_bundle) |
8434c2f1 | 149 | { |
b3256eb8 | 150 | static char *suffix[] = { "/.git", "", ".git/.git", ".git" }; |
8434c2f1 | 151 | static char *bundle_suffix[] = { ".bundle", "" }; |
0ea68e42 | 152 | size_t baselen = path->len; |
8434c2f1 DB |
153 | struct stat st; |
154 | int i; | |
155 | ||
156 | for (i = 0; i < ARRAY_SIZE(suffix); i++) { | |
0ea68e42 JK |
157 | strbuf_setlen(path, baselen); |
158 | strbuf_addstr(path, suffix[i]); | |
159 | if (stat(path->buf, &st)) | |
9b0ebc72 | 160 | continue; |
0ea68e42 | 161 | if (S_ISDIR(st.st_mode) && is_git_directory(path->buf)) { |
8434c2f1 | 162 | *is_bundle = 0; |
0ea68e42 | 163 | return path->buf; |
9b0ebc72 NTND |
164 | } else if (S_ISREG(st.st_mode) && st.st_size > 8) { |
165 | /* Is it a "gitfile"? */ | |
166 | char signature[8]; | |
0ea68e42 JK |
167 | const char *dst; |
168 | int len, fd = open(path->buf, O_RDONLY); | |
9b0ebc72 NTND |
169 | if (fd < 0) |
170 | continue; | |
171 | len = read_in_full(fd, signature, 8); | |
172 | close(fd); | |
173 | if (len != 8 || strncmp(signature, "gitdir: ", 8)) | |
174 | continue; | |
0ea68e42 JK |
175 | dst = read_gitfile(path->buf); |
176 | if (dst) { | |
9b0ebc72 | 177 | *is_bundle = 0; |
0ea68e42 | 178 | return dst; |
9b0ebc72 | 179 | } |
8434c2f1 DB |
180 | } |
181 | } | |
182 | ||
183 | for (i = 0; i < ARRAY_SIZE(bundle_suffix); i++) { | |
0ea68e42 JK |
184 | strbuf_setlen(path, baselen); |
185 | strbuf_addstr(path, bundle_suffix[i]); | |
186 | if (!stat(path->buf, &st) && S_ISREG(st.st_mode)) { | |
8434c2f1 | 187 | *is_bundle = 1; |
0ea68e42 | 188 | return path->buf; |
8434c2f1 DB |
189 | } |
190 | } | |
191 | ||
192 | return NULL; | |
193 | } | |
194 | ||
0ea68e42 JK |
195 | static char *get_repo_path(const char *repo, int *is_bundle) |
196 | { | |
197 | struct strbuf path = STRBUF_INIT; | |
198 | const char *raw; | |
199 | char *canon; | |
200 | ||
201 | strbuf_addstr(&path, repo); | |
202 | raw = get_repo_path_1(&path, is_bundle); | |
0aaad415 | 203 | canon = raw ? absolute_pathdup(raw) : NULL; |
0ea68e42 JK |
204 | strbuf_release(&path); |
205 | return canon; | |
206 | } | |
207 | ||
6612f877 | 208 | static char *guess_dir_name(const char *repo, int is_bundle, int is_bare) |
8434c2f1 | 209 | { |
e8959867 | 210 | const char *end = repo + strlen(repo), *start, *ptr; |
7e837c64 | 211 | size_t len; |
8a94bc7b | 212 | char *dir; |
b8c5db35 | 213 | |
e8959867 PS |
214 | /* |
215 | * Skip scheme. | |
216 | */ | |
217 | start = strstr(repo, "://"); | |
218 | if (start == NULL) | |
219 | start = repo; | |
220 | else | |
221 | start += 3; | |
222 | ||
223 | /* | |
224 | * Skip authentication data. The stripping does happen | |
225 | * greedily, such that we strip up to the last '@' inside | |
226 | * the host part. | |
227 | */ | |
228 | for (ptr = start; ptr < end && !is_dir_sep(*ptr); ptr++) { | |
229 | if (*ptr == '@') | |
230 | start = ptr + 1; | |
231 | } | |
232 | ||
b8c5db35 | 233 | /* |
8a94bc7b | 234 | * Strip trailing spaces, slashes and /.git |
b8c5db35 | 235 | */ |
e8959867 | 236 | while (start < end && (is_dir_sep(end[-1]) || isspace(end[-1]))) |
b8c5db35 | 237 | end--; |
e8959867 | 238 | if (end - start > 5 && is_dir_sep(end[-5]) && |
b8c5db35 JS |
239 | !strncmp(end - 4, ".git", 4)) { |
240 | end -= 5; | |
e8959867 | 241 | while (start < end && is_dir_sep(end[-1])) |
b8c5db35 JS |
242 | end--; |
243 | } | |
244 | ||
245 | /* | |
92722efe PS |
246 | * Strip trailing port number if we've got only a |
247 | * hostname (that is, there is no dir separator but a | |
248 | * colon). This check is required such that we do not | |
249 | * strip URI's like '/foo/bar:2222.git', which should | |
250 | * result in a dir '2222' being guessed due to backwards | |
251 | * compatibility. | |
252 | */ | |
253 | if (memchr(start, '/', end - start) == NULL | |
254 | && memchr(start, ':', end - start) != NULL) { | |
255 | ptr = end; | |
256 | while (start < ptr && isdigit(ptr[-1]) && ptr[-1] != ':') | |
257 | ptr--; | |
258 | if (start < ptr && ptr[-1] == ':') | |
259 | end = ptr - 1; | |
260 | } | |
261 | ||
b8c5db35 | 262 | /* |
e8959867 PS |
263 | * Find last component. To remain backwards compatible we |
264 | * also regard colons as path separators, such that | |
265 | * cloning a repository 'foo:bar.git' would result in a | |
266 | * directory 'bar' being guessed. | |
b8c5db35 | 267 | */ |
e8959867 PS |
268 | ptr = end; |
269 | while (start < ptr && !is_dir_sep(ptr[-1]) && ptr[-1] != ':') | |
270 | ptr--; | |
271 | start = ptr; | |
b8c5db35 JS |
272 | |
273 | /* | |
274 | * Strip .{bundle,git}. | |
275 | */ | |
db2e2204 JK |
276 | len = end - start; |
277 | strip_suffix_mem(start, &len, is_bundle ? ".bundle" : ".git"); | |
8434c2f1 | 278 | |
adef9561 | 279 | if (!len || (len == 1 && *start == '/')) |
39ad4f39 NTND |
280 | die(_("No directory name could be guessed.\n" |
281 | "Please specify a directory on the command line")); | |
adef9561 | 282 | |
7e837c64 SS |
283 | if (is_bare) |
284 | dir = xstrfmt("%.*s.git", (int)len, start); | |
285 | else | |
286 | dir = xstrndup(start, len); | |
8a94bc7b AR |
287 | /* |
288 | * Replace sequences of 'control' characters and whitespace | |
289 | * with one ascii space, remove leading and trailing spaces. | |
290 | */ | |
291 | if (*dir) { | |
292 | char *out = dir; | |
293 | int prev_space = 1 /* strip leading whitespace */; | |
294 | for (end = dir; *end; ++end) { | |
295 | char ch = *end; | |
296 | if ((unsigned char)ch < '\x20') | |
297 | ch = '\x20'; | |
298 | if (isspace(ch)) { | |
299 | if (prev_space) | |
300 | continue; | |
301 | prev_space = 1; | |
302 | } else | |
303 | prev_space = 0; | |
304 | *out++ = ch; | |
305 | } | |
306 | *out = '\0'; | |
307 | if (out > dir && prev_space) | |
308 | out[-1] = '\0'; | |
6612f877 | 309 | } |
8a94bc7b | 310 | return dir; |
8434c2f1 DB |
311 | } |
312 | ||
44a68fd5 CB |
313 | static void strip_trailing_slashes(char *dir) |
314 | { | |
315 | char *end = dir + strlen(dir); | |
316 | ||
317 | while (dir < end - 1 && is_dir_sep(end[-1])) | |
318 | end--; | |
319 | *end = '\0'; | |
320 | } | |
321 | ||
dbc92b07 | 322 | static int add_one_reference(struct string_list_item *item, void *cb_data) |
8434c2f1 | 323 | { |
9eeea7d2 | 324 | struct strbuf err = STRBUF_INIT; |
f7415b4d | 325 | int *required = cb_data; |
9eeea7d2 | 326 | char *ref_git = compute_alternate_path(item->string, &err); |
8434c2f1 | 327 | |
f7415b4d SB |
328 | if (!ref_git) { |
329 | if (*required) | |
330 | die("%s", err.buf); | |
331 | else | |
332 | fprintf(stderr, | |
333 | _("info: Could not add alternate for '%s': %s\n"), | |
334 | item->string, err.buf); | |
335 | } else { | |
336 | struct strbuf sb = STRBUF_INIT; | |
337 | strbuf_addf(&sb, "%s/objects", ref_git); | |
338 | add_to_alternates_file(sb.buf); | |
339 | strbuf_release(&sb); | |
340 | } | |
606e435a | 341 | |
9eeea7d2 | 342 | strbuf_release(&err); |
f7415b4d | 343 | free(ref_git); |
dbc92b07 JH |
344 | return 0; |
345 | } | |
8434c2f1 | 346 | |
dbc92b07 JH |
347 | static void setup_reference(void) |
348 | { | |
f7415b4d SB |
349 | int required = 1; |
350 | for_each_string_list(&option_required_reference, | |
351 | add_one_reference, &required); | |
352 | required = 0; | |
353 | for_each_string_list(&option_optional_reference, | |
354 | add_one_reference, &required); | |
8434c2f1 DB |
355 | } |
356 | ||
e6baf4a1 JH |
357 | static void copy_alternates(struct strbuf *src, struct strbuf *dst, |
358 | const char *src_repo) | |
359 | { | |
360 | /* | |
361 | * Read from the source objects/info/alternates file | |
362 | * and copy the entries to corresponding file in the | |
363 | * destination repository with add_to_alternates_file(). | |
364 | * Both src and dst have "$path/objects/info/alternates". | |
365 | * | |
366 | * Instead of copying bit-for-bit from the original, | |
367 | * we need to append to existing one so that the already | |
368 | * created entry via "clone -s" is not lost, and also | |
369 | * to turn entries with paths relative to the original | |
370 | * absolute, so that they can be used in the new repository. | |
371 | */ | |
02912f47 | 372 | FILE *in = xfopen(src->buf, "r"); |
e6baf4a1 JH |
373 | struct strbuf line = STRBUF_INIT; |
374 | ||
3f163962 | 375 | while (strbuf_getline(&line, in) != EOF) { |
dcf69262 | 376 | char *abs_path; |
e6baf4a1 JH |
377 | if (!line.len || line.buf[0] == '#') |
378 | continue; | |
379 | if (is_absolute_path(line.buf)) { | |
380 | add_to_alternates_file(line.buf); | |
381 | continue; | |
382 | } | |
dcf69262 | 383 | abs_path = mkpathdup("%s/objects/%s", src_repo, line.buf); |
22d3b8de JK |
384 | if (!normalize_path_copy(abs_path, abs_path)) |
385 | add_to_alternates_file(abs_path); | |
386 | else | |
387 | warning("skipping invalid relative alternate: %s/%s", | |
388 | src_repo, line.buf); | |
dcf69262 | 389 | free(abs_path); |
e6baf4a1 JH |
390 | } |
391 | strbuf_release(&line); | |
392 | fclose(in); | |
393 | } | |
394 | ||
395 | static void copy_or_link_directory(struct strbuf *src, struct strbuf *dest, | |
396 | const char *src_repo, int src_baselen) | |
8434c2f1 DB |
397 | { |
398 | struct dirent *de; | |
399 | struct stat buf; | |
400 | int src_len, dest_len; | |
401 | DIR *dir; | |
402 | ||
b9e125e0 | 403 | dir = opendir(src->buf); |
8434c2f1 | 404 | if (!dir) |
e84d7b74 | 405 | die_errno(_("failed to open '%s'"), src->buf); |
8434c2f1 | 406 | |
b9e125e0 | 407 | if (mkdir(dest->buf, 0777)) { |
8434c2f1 | 408 | if (errno != EEXIST) |
e84d7b74 | 409 | die_errno(_("failed to create directory '%s'"), dest->buf); |
b9e125e0 | 410 | else if (stat(dest->buf, &buf)) |
e84d7b74 | 411 | die_errno(_("failed to stat '%s'"), dest->buf); |
8434c2f1 | 412 | else if (!S_ISDIR(buf.st_mode)) |
e84d7b74 | 413 | die(_("%s exists and is not a directory"), dest->buf); |
8434c2f1 DB |
414 | } |
415 | ||
b9e125e0 MV |
416 | strbuf_addch(src, '/'); |
417 | src_len = src->len; | |
418 | strbuf_addch(dest, '/'); | |
419 | dest_len = dest->len; | |
8434c2f1 DB |
420 | |
421 | while ((de = readdir(dir)) != NULL) { | |
b9e125e0 MV |
422 | strbuf_setlen(src, src_len); |
423 | strbuf_addstr(src, de->d_name); | |
424 | strbuf_setlen(dest, dest_len); | |
425 | strbuf_addstr(dest, de->d_name); | |
426 | if (stat(src->buf, &buf)) { | |
e84d7b74 | 427 | warning (_("failed to stat %s\n"), src->buf); |
8434c2f1 DB |
428 | continue; |
429 | } | |
430 | if (S_ISDIR(buf.st_mode)) { | |
431 | if (de->d_name[0] != '.') | |
e6baf4a1 JH |
432 | copy_or_link_directory(src, dest, |
433 | src_repo, src_baselen); | |
434 | continue; | |
435 | } | |
436 | ||
437 | /* Files that cannot be copied bit-for-bit... */ | |
438 | if (!strcmp(src->buf + src_baselen, "/info/alternates")) { | |
439 | copy_alternates(src, dest, src_repo); | |
8434c2f1 DB |
440 | continue; |
441 | } | |
442 | ||
b9e125e0 | 443 | if (unlink(dest->buf) && errno != ENOENT) |
e84d7b74 | 444 | die_errno(_("failed to unlink '%s'"), dest->buf); |
fdabc242 | 445 | if (!option_no_hardlinks) { |
b9e125e0 | 446 | if (!link(src->buf, dest->buf)) |
fdabc242 | 447 | continue; |
189260b1 | 448 | if (option_local > 0) |
e84d7b74 | 449 | die_errno(_("failed to create link '%s'"), dest->buf); |
fdabc242 | 450 | option_no_hardlinks = 1; |
8434c2f1 | 451 | } |
f7835a25 | 452 | if (copy_file_with_time(dest->buf, src->buf, 0666)) |
e84d7b74 | 453 | die_errno(_("failed to copy file to '%s'"), dest->buf); |
8434c2f1 | 454 | } |
689ef4d4 | 455 | closedir(dir); |
8434c2f1 DB |
456 | } |
457 | ||
6f48d39f | 458 | static void clone_local(const char *src_repo, const char *dest_repo) |
8434c2f1 | 459 | { |
e6baf4a1 JH |
460 | if (option_shared) { |
461 | struct strbuf alt = STRBUF_INIT; | |
b3b05971 ES |
462 | get_common_dir(&alt, src_repo); |
463 | strbuf_addstr(&alt, "/objects"); | |
e6baf4a1 JH |
464 | add_to_alternates_file(alt.buf); |
465 | strbuf_release(&alt); | |
466 | } else { | |
467 | struct strbuf src = STRBUF_INIT; | |
468 | struct strbuf dest = STRBUF_INIT; | |
744e4697 NTND |
469 | get_common_dir(&src, src_repo); |
470 | get_common_dir(&dest, dest_repo); | |
471 | strbuf_addstr(&src, "/objects"); | |
472 | strbuf_addstr(&dest, "/objects"); | |
e6baf4a1 | 473 | copy_or_link_directory(&src, &dest, src_repo, src.len); |
b9e125e0 MV |
474 | strbuf_release(&src); |
475 | strbuf_release(&dest); | |
8434c2f1 DB |
476 | } |
477 | ||
28ba96ab | 478 | if (0 <= option_verbosity) |
68b939b2 | 479 | fprintf(stderr, _("done.\n")); |
8434c2f1 DB |
480 | } |
481 | ||
482 | static const char *junk_work_tree; | |
d45420c1 | 483 | static int junk_work_tree_flags; |
8434c2f1 | 484 | static const char *junk_git_dir; |
d45420c1 | 485 | static int junk_git_dir_flags; |
85064630 | 486 | static enum { |
d3b34622 JK |
487 | JUNK_LEAVE_NONE, |
488 | JUNK_LEAVE_REPO, | |
489 | JUNK_LEAVE_ALL | |
490 | } junk_mode = JUNK_LEAVE_NONE; | |
491 | ||
492 | static const char junk_leave_repo_msg[] = | |
493 | N_("Clone succeeded, but checkout failed.\n" | |
494 | "You can inspect what was checked out with 'git status'\n" | |
495 | "and retry the checkout with 'git checkout -f HEAD'\n"); | |
8434c2f1 DB |
496 | |
497 | static void remove_junk(void) | |
498 | { | |
f285a2d7 | 499 | struct strbuf sb = STRBUF_INIT; |
d3b34622 JK |
500 | |
501 | switch (junk_mode) { | |
502 | case JUNK_LEAVE_REPO: | |
503 | warning("%s", _(junk_leave_repo_msg)); | |
504 | /* fall-through */ | |
505 | case JUNK_LEAVE_ALL: | |
506 | return; | |
507 | default: | |
508 | /* proceed to removal */ | |
509 | break; | |
510 | } | |
511 | ||
8434c2f1 DB |
512 | if (junk_git_dir) { |
513 | strbuf_addstr(&sb, junk_git_dir); | |
d45420c1 | 514 | remove_dir_recursively(&sb, junk_git_dir_flags); |
8434c2f1 DB |
515 | strbuf_reset(&sb); |
516 | } | |
517 | if (junk_work_tree) { | |
518 | strbuf_addstr(&sb, junk_work_tree); | |
d45420c1 | 519 | remove_dir_recursively(&sb, junk_work_tree_flags); |
8434c2f1 | 520 | } |
9c18b548 | 521 | strbuf_release(&sb); |
8434c2f1 DB |
522 | } |
523 | ||
524 | static void remove_junk_on_signal(int signo) | |
525 | { | |
526 | remove_junk(); | |
4a16d072 | 527 | sigchain_pop(signo); |
8434c2f1 DB |
528 | raise(signo); |
529 | } | |
530 | ||
9e585046 NTND |
531 | static struct ref *find_remote_branch(const struct ref *refs, const char *branch) |
532 | { | |
533 | struct ref *ref; | |
534 | struct strbuf head = STRBUF_INIT; | |
535 | strbuf_addstr(&head, "refs/heads/"); | |
536 | strbuf_addstr(&head, branch); | |
537 | ref = find_ref_by_name(refs, head.buf); | |
538 | strbuf_release(&head); | |
5a7d5b68 NTND |
539 | |
540 | if (ref) | |
541 | return ref; | |
542 | ||
543 | strbuf_addstr(&head, "refs/tags/"); | |
544 | strbuf_addstr(&head, branch); | |
545 | ref = find_ref_by_name(refs, head.buf); | |
546 | strbuf_release(&head); | |
547 | ||
9e585046 NTND |
548 | return ref; |
549 | } | |
550 | ||
5bdc32d3 | 551 | static struct ref *wanted_peer_refs(const struct ref *refs, |
515be833 | 552 | struct refspec *refspec) |
8434c2f1 | 553 | { |
c1921c18 JK |
554 | struct ref *head = copy_ref(find_ref_by_name(refs, "HEAD")); |
555 | struct ref *local_refs = head; | |
556 | struct ref **tail = head ? &head->next : &local_refs; | |
8434c2f1 | 557 | |
3e6e0edd NTND |
558 | if (option_single_branch) { |
559 | struct ref *remote_head = NULL; | |
560 | ||
561 | if (!option_branch) | |
562 | remote_head = guess_remote_head(head, refs, 0); | |
0ec4b165 NTND |
563 | else { |
564 | local_refs = NULL; | |
565 | tail = &local_refs; | |
566 | remote_head = copy_ref(find_remote_branch(refs, option_branch)); | |
567 | } | |
3e6e0edd NTND |
568 | |
569 | if (!remote_head && option_branch) | |
570 | warning(_("Could not find remote branch %s to clone."), | |
571 | option_branch); | |
5a7d5b68 | 572 | else { |
515be833 SG |
573 | int i; |
574 | for (i = 0; i < refspec->nr; i++) | |
575 | get_fetch_map(remote_head, &refspec->items[i], | |
576 | &tail, 0); | |
5a7d5b68 NTND |
577 | |
578 | /* if --branch=tag, pull the requested tag explicitly */ | |
579 | get_fetch_map(remote_head, tag_refspec, &tail, 0); | |
580 | } | |
515be833 SG |
581 | } else { |
582 | int i; | |
583 | for (i = 0; i < refspec->nr; i++) | |
584 | get_fetch_map(refs, &refspec->items[i], &tail, 0); | |
585 | } | |
3e6e0edd | 586 | |
0dab2468 | 587 | if (!option_mirror && !option_single_branch && !option_no_tags) |
468386a9 | 588 | get_fetch_map(refs, tag_refspec, &tail, 0); |
8434c2f1 | 589 | |
5bdc32d3 NP |
590 | return local_refs; |
591 | } | |
592 | ||
593 | static void write_remote_refs(const struct ref *local_refs) | |
594 | { | |
595 | const struct ref *r; | |
596 | ||
58f233ce MH |
597 | struct ref_transaction *t; |
598 | struct strbuf err = STRBUF_INIT; | |
599 | ||
600 | t = ref_transaction_begin(&err); | |
601 | if (!t) | |
602 | die("%s", err.buf); | |
9f69d297 | 603 | |
c1921c18 JK |
604 | for (r = local_refs; r; r = r->next) { |
605 | if (!r->peer_ref) | |
606 | continue; | |
89f3bbdd | 607 | if (ref_transaction_create(t, r->peer_ref->name, &r->old_oid, |
58f233ce MH |
608 | 0, NULL, &err)) |
609 | die("%s", err.buf); | |
c1921c18 | 610 | } |
3e8aded2 | 611 | |
58f233ce MH |
612 | if (initial_ref_transaction_commit(t, &err)) |
613 | die("%s", err.buf); | |
614 | ||
615 | strbuf_release(&err); | |
616 | ref_transaction_free(t); | |
8434c2f1 DB |
617 | } |
618 | ||
3e6e0edd NTND |
619 | static void write_followtags(const struct ref *refs, const char *msg) |
620 | { | |
621 | const struct ref *ref; | |
622 | for (ref = refs; ref; ref = ref->next) { | |
59556548 | 623 | if (!starts_with(ref->name, "refs/tags/")) |
3e6e0edd | 624 | continue; |
59556548 | 625 | if (ends_with(ref->name, "^{}")) |
3e6e0edd | 626 | continue; |
f4e54d02 | 627 | if (!has_object_file(&ref->old_oid)) |
3e6e0edd | 628 | continue; |
ae077771 | 629 | update_ref(msg, ref->name, &ref->old_oid, NULL, 0, |
630 | UPDATE_REFS_DIE_ON_ERR); | |
3e6e0edd NTND |
631 | } |
632 | } | |
633 | ||
6ccac9ee | 634 | static int iterate_ref_map(void *cb_data, struct object_id *oid) |
0433ad12 JK |
635 | { |
636 | struct ref **rm = cb_data; | |
637 | struct ref *ref = *rm; | |
638 | ||
639 | /* | |
640 | * Skip anything missing a peer_ref, which we are not | |
641 | * actually going to write a ref for. | |
642 | */ | |
643 | while (ref && !ref->peer_ref) | |
644 | ref = ref->next; | |
645 | /* Returning -1 notes "end of list" to the caller. */ | |
646 | if (!ref) | |
647 | return -1; | |
648 | ||
6ccac9ee | 649 | oidcpy(oid, &ref->old_oid); |
0433ad12 JK |
650 | *rm = ref->next; |
651 | return 0; | |
652 | } | |
653 | ||
960b7d1c NTND |
654 | static void update_remote_refs(const struct ref *refs, |
655 | const struct ref *mapped_refs, | |
656 | const struct ref *remote_head_points_at, | |
657 | const char *branch_top, | |
c6807a40 | 658 | const char *msg, |
45ed4afa | 659 | struct transport *transport, |
125a05fd | 660 | int check_connectivity) |
960b7d1c | 661 | { |
0433ad12 JK |
662 | const struct ref *rm = mapped_refs; |
663 | ||
125a05fd | 664 | if (check_connectivity) { |
7043c707 JK |
665 | struct check_connected_options opt = CHECK_CONNECTED_INIT; |
666 | ||
667 | opt.transport = transport; | |
38e590ea | 668 | opt.progress = transport->progress; |
7043c707 | 669 | |
7043c707 | 670 | if (check_connected(iterate_ref_map, &rm, &opt)) |
125a05fd JK |
671 | die(_("remote did not send all necessary objects")); |
672 | } | |
0433ad12 | 673 | |
960b7d1c | 674 | if (refs) { |
960b7d1c | 675 | write_remote_refs(mapped_refs); |
0dab2468 | 676 | if (option_single_branch && !option_no_tags) |
960b7d1c NTND |
677 | write_followtags(refs, msg); |
678 | } | |
679 | ||
680 | if (remote_head_points_at && !option_bare) { | |
681 | struct strbuf head_ref = STRBUF_INIT; | |
682 | strbuf_addstr(&head_ref, branch_top); | |
683 | strbuf_addstr(&head_ref, "HEAD"); | |
4be49d75 JK |
684 | if (create_symref(head_ref.buf, |
685 | remote_head_points_at->peer_ref->name, | |
686 | msg) < 0) | |
39ad4f39 | 687 | die(_("unable to update %s"), head_ref.buf); |
4be49d75 | 688 | strbuf_release(&head_ref); |
960b7d1c NTND |
689 | } |
690 | } | |
691 | ||
f034d354 NTND |
692 | static void update_head(const struct ref *our, const struct ref *remote, |
693 | const char *msg) | |
694 | { | |
cf4fff57 JK |
695 | const char *head; |
696 | if (our && skip_prefix(our->name, "refs/heads/", &head)) { | |
f034d354 | 697 | /* Local default branch link */ |
4be49d75 | 698 | if (create_symref("HEAD", our->name, NULL) < 0) |
39ad4f39 | 699 | die(_("unable to update HEAD")); |
f034d354 | 700 | if (!option_bare) { |
ae077771 | 701 | update_ref(msg, "HEAD", &our->old_oid, NULL, 0, |
f4124112 | 702 | UPDATE_REFS_DIE_ON_ERR); |
f034d354 NTND |
703 | install_branch_config(0, head, option_origin, our->name); |
704 | } | |
5a7d5b68 | 705 | } else if (our) { |
2122f675 SB |
706 | struct commit *c = lookup_commit_reference(the_repository, |
707 | &our->old_oid); | |
5a7d5b68 | 708 | /* --branch specifies a non-branch (i.e. tags), detach HEAD */ |
91774afc | 709 | update_ref(msg, "HEAD", &c->object.oid, NULL, REF_NO_DEREF, |
ae077771 | 710 | UPDATE_REFS_DIE_ON_ERR); |
f034d354 NTND |
711 | } else if (remote) { |
712 | /* | |
713 | * We know remote HEAD points to a non-branch, or | |
920b691f | 714 | * HEAD points to a branch but we don't know which one. |
f034d354 NTND |
715 | * Detach HEAD in all these cases. |
716 | */ | |
91774afc | 717 | update_ref(msg, "HEAD", &remote->old_oid, NULL, REF_NO_DEREF, |
ae077771 | 718 | UPDATE_REFS_DIE_ON_ERR); |
f034d354 NTND |
719 | } |
720 | } | |
721 | ||
72c5f883 | 722 | static int checkout(int submodule_progress) |
c39852c1 | 723 | { |
ddc2cc64 | 724 | struct object_id oid; |
c39852c1 | 725 | char *head; |
837e34eb | 726 | struct lock_file lock_file = LOCK_INIT; |
c39852c1 NTND |
727 | struct unpack_trees_options opts; |
728 | struct tree *tree; | |
729 | struct tree_desc t; | |
03b86647 | 730 | int err = 0; |
c39852c1 NTND |
731 | |
732 | if (option_no_checkout) | |
733 | return 0; | |
734 | ||
0f2dc722 | 735 | head = resolve_refdup("HEAD", RESOLVE_REF_READING, &oid, NULL); |
c39852c1 NTND |
736 | if (!head) { |
737 | warning(_("remote HEAD refers to nonexistent ref, " | |
738 | "unable to checkout.\n")); | |
739 | return 0; | |
740 | } | |
2857093b NTND |
741 | if (!strcmp(head, "HEAD")) { |
742 | if (advice_detached_head) | |
ddc2cc64 | 743 | detach_advice(oid_to_hex(&oid)); |
2857093b | 744 | } else { |
59556548 | 745 | if (!starts_with(head, "refs/heads/")) |
c39852c1 NTND |
746 | die(_("HEAD not found below refs/heads!")); |
747 | } | |
748 | free(head); | |
749 | ||
750 | /* We need to be in the new work tree for the checkout */ | |
751 | setup_work_tree(); | |
752 | ||
837e34eb | 753 | hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR); |
c39852c1 NTND |
754 | |
755 | memset(&opts, 0, sizeof opts); | |
756 | opts.update = 1; | |
757 | opts.merge = 1; | |
b878579a | 758 | opts.clone = 1; |
c39852c1 | 759 | opts.fn = oneway_merge; |
8f63da13 | 760 | opts.verbose_update = (option_verbosity >= 0); |
c39852c1 NTND |
761 | opts.src_index = &the_index; |
762 | opts.dst_index = &the_index; | |
763 | ||
a9dbc179 | 764 | tree = parse_tree_indirect(&oid); |
c39852c1 NTND |
765 | parse_tree(tree); |
766 | init_tree_desc(&t, tree->buffer, tree->size); | |
0aac7bb2 JK |
767 | if (unpack_trees(1, &t, &opts) < 0) |
768 | die(_("unable to checkout working tree")); | |
c39852c1 | 769 | |
837e34eb | 770 | if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK)) |
c39852c1 NTND |
771 | die(_("unable to write new index file")); |
772 | ||
15048f8a | 773 | err |= run_hook_le(NULL, "post-checkout", sha1_to_hex(null_sha1), |
ddc2cc64 | 774 | oid_to_hex(&oid), "1", NULL); |
c39852c1 | 775 | |
bb62e0a9 | 776 | if (!err && (option_recurse_submodules.nr > 0)) { |
72290d6a SB |
777 | struct argv_array args = ARGV_ARRAY_INIT; |
778 | argv_array_pushl(&args, "submodule", "update", "--init", "--recursive", NULL); | |
779 | ||
18a74a09 | 780 | if (option_shallow_submodules == 1) |
d22eb044 SB |
781 | argv_array_push(&args, "--depth=1"); |
782 | ||
72290d6a SB |
783 | if (max_jobs != -1) |
784 | argv_array_pushf(&args, "--jobs=%d", max_jobs); | |
785 | ||
72c5f883 JK |
786 | if (submodule_progress) |
787 | argv_array_push(&args, "--progress"); | |
788 | ||
03c004c5 BW |
789 | if (option_verbosity < 0) |
790 | argv_array_push(&args, "--quiet"); | |
791 | ||
72290d6a SB |
792 | err = run_command_v_opt(args.argv, RUN_GIT_CMD); |
793 | argv_array_clear(&args); | |
794 | } | |
c39852c1 NTND |
795 | |
796 | return err; | |
797 | } | |
798 | ||
84054f79 JK |
799 | static int write_one_config(const char *key, const char *value, void *data) |
800 | { | |
db4eca1f JN |
801 | return git_config_set_multivar_gently(key, |
802 | value ? value : "true", | |
803 | CONFIG_REGEX_NONE, 0); | |
84054f79 JK |
804 | } |
805 | ||
806 | static void write_config(struct string_list *config) | |
807 | { | |
808 | int i; | |
809 | ||
810 | for (i = 0; i < config->nr; i++) { | |
811 | if (git_config_parse_parameter(config->items[i].string, | |
812 | write_one_config, NULL) < 0) | |
39ad4f39 | 813 | die(_("unable to write parameters to config file")); |
84054f79 JK |
814 | } |
815 | } | |
816 | ||
24d36f14 DA |
817 | static void write_refspec_config(const char *src_ref_prefix, |
818 | const struct ref *our_head_points_at, | |
819 | const struct ref *remote_head_points_at, | |
820 | struct strbuf *branch_top) | |
31b808a0 RT |
821 | { |
822 | struct strbuf key = STRBUF_INIT; | |
823 | struct strbuf value = STRBUF_INIT; | |
824 | ||
825 | if (option_mirror || !option_bare) { | |
826 | if (option_single_branch && !option_mirror) { | |
827 | if (option_branch) { | |
60a5f5fc | 828 | if (starts_with(our_head_points_at->name, "refs/tags/")) |
31b808a0 RT |
829 | strbuf_addf(&value, "+%s:%s", our_head_points_at->name, |
830 | our_head_points_at->name); | |
831 | else | |
832 | strbuf_addf(&value, "+%s:%s%s", our_head_points_at->name, | |
833 | branch_top->buf, option_branch); | |
834 | } else if (remote_head_points_at) { | |
cf4fff57 JK |
835 | const char *head = remote_head_points_at->name; |
836 | if (!skip_prefix(head, "refs/heads/", &head)) | |
033abf97 | 837 | BUG("remote HEAD points at non-head?"); |
cf4fff57 | 838 | |
31b808a0 | 839 | strbuf_addf(&value, "+%s:%s%s", remote_head_points_at->name, |
cf4fff57 | 840 | branch_top->buf, head); |
31b808a0 RT |
841 | } |
842 | /* | |
843 | * otherwise, the next "git fetch" will | |
844 | * simply fetch from HEAD without updating | |
d6ac1d21 | 845 | * any remote-tracking branch, which is what |
31b808a0 RT |
846 | * we want. |
847 | */ | |
848 | } else { | |
849 | strbuf_addf(&value, "+%s*:%s*", src_ref_prefix, branch_top->buf); | |
850 | } | |
851 | /* Configure the remote */ | |
852 | if (value.len) { | |
853 | strbuf_addf(&key, "remote.%s.fetch", option_origin); | |
854 | git_config_set_multivar(key.buf, value.buf, "^$", 0); | |
855 | strbuf_reset(&key); | |
856 | ||
857 | if (option_mirror) { | |
858 | strbuf_addf(&key, "remote.%s.mirror", option_origin); | |
859 | git_config_set(key.buf, "true"); | |
860 | strbuf_reset(&key); | |
861 | } | |
862 | } | |
863 | } | |
864 | ||
865 | strbuf_release(&key); | |
866 | strbuf_release(&value); | |
867 | } | |
868 | ||
fb1d6dab JH |
869 | static void dissociate_from_references(void) |
870 | { | |
871 | static const char* argv[] = { "repack", "-a", "-d", NULL }; | |
0181681e | 872 | char *alternates = git_pathdup("objects/info/alternates"); |
fb1d6dab | 873 | |
0181681e AR |
874 | if (!access(alternates, F_OK)) { |
875 | if (run_command_v_opt(argv, RUN_GIT_CMD|RUN_COMMAND_NO_STDIN)) | |
876 | die(_("cannot repack to clean up")); | |
877 | if (unlink(alternates) && errno != ENOENT) | |
878 | die_errno(_("cannot unlink temporary alternates file")); | |
879 | } | |
880 | free(alternates); | |
fb1d6dab JH |
881 | } |
882 | ||
f9e377ad JK |
883 | static int dir_exists(const char *path) |
884 | { | |
885 | struct stat sb; | |
886 | return !stat(path, &sb); | |
887 | } | |
888 | ||
8434c2f1 DB |
889 | int cmd_clone(int argc, const char **argv, const char *prefix) |
890 | { | |
24c61c44 | 891 | int is_bundle = 0, is_local; |
8434c2f1 DB |
892 | const char *repo_name, *repo, *work_tree, *git_dir; |
893 | char *path, *dir; | |
55892d23 | 894 | int dest_exists; |
37148311 | 895 | const struct ref *refs, *remote_head; |
7a4ee28f JK |
896 | const struct ref *remote_head_points_at; |
897 | const struct ref *our_head_points_at; | |
37148311 | 898 | struct ref *mapped_refs; |
90498161 | 899 | const struct ref *ref; |
3e42cb3b SG |
900 | struct strbuf key = STRBUF_INIT; |
901 | struct strbuf default_refspec = STRBUF_INIT; | |
b5ff37ac | 902 | struct strbuf branch_top = STRBUF_INIT, reflog_msg = STRBUF_INIT; |
1db4a75c | 903 | struct transport *transport = NULL; |
9e585046 | 904 | const char *src_ref_prefix = "refs/heads/"; |
6f48d39f | 905 | struct remote *remote; |
90498161 | 906 | int err = 0, complete_refs_before_fetch = 1; |
72c5f883 | 907 | int submodule_progress; |
8434c2f1 | 908 | |
402c47d9 | 909 | struct argv_array ref_prefixes = ARGV_ARRAY_INIT; |
8434c2f1 | 910 | |
548719fb JT |
911 | fetch_if_missing = 0; |
912 | ||
bbc30f99 | 913 | packet_trace_identity("clone"); |
37782920 | 914 | argc = parse_options(argc, argv, prefix, builtin_clone_options, |
8434c2f1 DB |
915 | builtin_clone_usage, 0); |
916 | ||
d52dc4b1 | 917 | if (argc > 2) |
e84d7b74 | 918 | usage_msg_opt(_("Too many arguments."), |
d52dc4b1 JN |
919 | builtin_clone_usage, builtin_clone_options); |
920 | ||
8434c2f1 | 921 | if (argc == 0) |
e84d7b74 | 922 | usage_msg_opt(_("You must specify a repository to clone."), |
d52dc4b1 | 923 | builtin_clone_usage, builtin_clone_options); |
8434c2f1 | 924 | |
859e5df9 | 925 | if (option_depth || option_since || option_not.nr) |
994c2aaf | 926 | deepen = 1; |
3e6e0edd | 927 | if (option_single_branch == -1) |
994c2aaf | 928 | option_single_branch = deepen ? 1 : 0; |
3e6e0edd | 929 | |
bc699afc JS |
930 | if (option_mirror) |
931 | option_bare = 1; | |
932 | ||
8434c2f1 DB |
933 | if (option_bare) { |
934 | if (option_origin) | |
e84d7b74 | 935 | die(_("--bare and --origin %s options are incompatible."), |
8434c2f1 | 936 | option_origin); |
95b63f1e NTND |
937 | if (real_git_dir) |
938 | die(_("--bare and --separate-git-dir are incompatible.")); | |
8434c2f1 | 939 | option_no_checkout = 1; |
8434c2f1 DB |
940 | } |
941 | ||
942 | if (!option_origin) | |
943 | option_origin = "origin"; | |
944 | ||
945 | repo_name = argv[0]; | |
946 | ||
947 | path = get_repo_path(repo_name, &is_bundle); | |
948 | if (path) | |
0aaad415 | 949 | repo = absolute_pathdup(repo_name); |
8434c2f1 | 950 | else if (!strchr(repo_name, ':')) |
d3e1ddfd | 951 | die(_("repository '%s' does not exist"), repo_name); |
8434c2f1 DB |
952 | else |
953 | repo = repo_name; | |
954 | ||
5594bcad NTND |
955 | /* no need to be strict, transport_set_option() will validate it again */ |
956 | if (option_depth && atoi(option_depth) < 1) | |
957 | die(_("depth %s is not a positive number"), option_depth); | |
958 | ||
8434c2f1 DB |
959 | if (argc == 2) |
960 | dir = xstrdup(argv[1]); | |
961 | else | |
6612f877 | 962 | dir = guess_dir_name(repo_name, is_bundle, option_bare); |
44a68fd5 | 963 | strip_trailing_slashes(dir); |
8434c2f1 | 964 | |
f9e377ad | 965 | dest_exists = dir_exists(dir); |
55892d23 | 966 | if (dest_exists && !is_empty_dir(dir)) |
e84d7b74 ÆAB |
967 | die(_("destination path '%s' already exists and is not " |
968 | "an empty directory."), dir); | |
8434c2f1 | 969 | |
8434c2f1 DB |
970 | strbuf_addf(&reflog_msg, "clone: from %s", repo); |
971 | ||
972 | if (option_bare) | |
973 | work_tree = NULL; | |
974 | else { | |
975 | work_tree = getenv("GIT_WORK_TREE"); | |
f9e377ad | 976 | if (work_tree && dir_exists(work_tree)) |
e84d7b74 | 977 | die(_("working tree '%s' already exists."), work_tree); |
8434c2f1 DB |
978 | } |
979 | ||
980 | if (option_bare || work_tree) | |
981 | git_dir = xstrdup(dir); | |
982 | else { | |
983 | work_tree = dir; | |
4e2d094d | 984 | git_dir = mkpathdup("%s/.git", dir); |
8434c2f1 DB |
985 | } |
986 | ||
ee0e3872 JK |
987 | atexit(remove_junk); |
988 | sigchain_push_common(remove_junk_on_signal); | |
989 | ||
8434c2f1 | 990 | if (!option_bare) { |
8e21d63b | 991 | if (safe_create_leading_directories_const(work_tree) < 0) |
e84d7b74 | 992 | die_errno(_("could not create leading directories of '%s'"), |
d824cbba | 993 | work_tree); |
d45420c1 JK |
994 | if (dest_exists) |
995 | junk_work_tree_flags |= REMOVE_DIR_KEEP_TOPLEVEL; | |
996 | else if (mkdir(work_tree, 0777)) | |
16eff6c0 | 997 | die_errno(_("could not create work tree dir '%s'"), |
d824cbba | 998 | work_tree); |
ee0e3872 | 999 | junk_work_tree = work_tree; |
8434c2f1 DB |
1000 | set_git_work_tree(work_tree); |
1001 | } | |
8434c2f1 | 1002 | |
d45420c1 JK |
1003 | if (real_git_dir) { |
1004 | if (dir_exists(real_git_dir)) | |
1005 | junk_git_dir_flags |= REMOVE_DIR_KEEP_TOPLEVEL; | |
1006 | junk_git_dir = real_git_dir; | |
1007 | } else { | |
1008 | if (dest_exists) | |
1009 | junk_git_dir_flags |= REMOVE_DIR_KEEP_TOPLEVEL; | |
1010 | junk_git_dir = git_dir; | |
1011 | } | |
8e21d63b | 1012 | if (safe_create_leading_directories_const(git_dir) < 0) |
e84d7b74 | 1013 | die(_("could not create leading directories of '%s'"), git_dir); |
b57fb80a | 1014 | |
3781fcce ÆAB |
1015 | if (0 <= option_verbosity) { |
1016 | if (option_bare) | |
68b939b2 | 1017 | fprintf(stderr, _("Cloning into bare repository '%s'...\n"), dir); |
3781fcce | 1018 | else |
68b939b2 | 1019 | fprintf(stderr, _("Cloning into '%s'...\n"), dir); |
3781fcce | 1020 | } |
31224cbd | 1021 | |
bb62e0a9 BW |
1022 | if (option_recurse_submodules.nr > 0) { |
1023 | struct string_list_item *item; | |
1024 | struct strbuf sb = STRBUF_INIT; | |
1025 | ||
1026 | /* remove duplicates */ | |
1027 | string_list_sort(&option_recurse_submodules); | |
1028 | string_list_remove_duplicates(&option_recurse_submodules, 0); | |
1029 | ||
1030 | /* | |
1031 | * NEEDSWORK: In a multi-working-tree world, this needs to be | |
1032 | * set in the per-worktree config. | |
1033 | */ | |
1034 | for_each_string_list_item(item, &option_recurse_submodules) { | |
1035 | strbuf_addf(&sb, "submodule.active=%s", | |
1036 | item->string); | |
1037 | string_list_append(&option_config, | |
1038 | strbuf_detach(&sb, NULL)); | |
1039 | } | |
1040 | ||
31224cbd SB |
1041 | if (option_required_reference.nr && |
1042 | option_optional_reference.nr) | |
1043 | die(_("clone --recursive is not compatible with " | |
1044 | "both --reference and --reference-if-able")); | |
1045 | else if (option_required_reference.nr) { | |
1046 | string_list_append(&option_config, | |
1047 | "submodule.alternateLocation=superproject"); | |
1048 | string_list_append(&option_config, | |
1049 | "submodule.alternateErrorStrategy=die"); | |
1050 | } else if (option_optional_reference.nr) { | |
1051 | string_list_append(&option_config, | |
1052 | "submodule.alternateLocation=superproject"); | |
1053 | string_list_append(&option_config, | |
1054 | "submodule.alternateErrorStrategy=info"); | |
1055 | } | |
1056 | } | |
1057 | ||
33158701 NTND |
1058 | init_db(git_dir, real_git_dir, option_template, INIT_DB_QUIET); |
1059 | ||
1060 | if (real_git_dir) | |
1061 | git_dir = real_git_dir; | |
1062 | ||
84054f79 | 1063 | write_config(&option_config); |
8434c2f1 | 1064 | |
9bd81e42 | 1065 | git_config(git_default_config, NULL); |
8434c2f1 DB |
1066 | |
1067 | if (option_bare) { | |
bc699afc JS |
1068 | if (option_mirror) |
1069 | src_ref_prefix = "refs/"; | |
b5ff37ac | 1070 | strbuf_addstr(&branch_top, src_ref_prefix); |
8434c2f1 DB |
1071 | |
1072 | git_config_set("core.bare", "true"); | |
1073 | } else { | |
b5ff37ac | 1074 | strbuf_addf(&branch_top, "refs/remotes/%s/", option_origin); |
bc699afc | 1075 | } |
8434c2f1 | 1076 | |
df61c889 SR |
1077 | strbuf_addf(&key, "remote.%s.url", option_origin); |
1078 | git_config_set(key.buf, repo); | |
1079 | strbuf_reset(&key); | |
1080 | ||
0dab2468 ÆAB |
1081 | if (option_no_tags) { |
1082 | strbuf_addf(&key, "remote.%s.tagOpt", option_origin); | |
1083 | git_config_set(key.buf, "--no-tags"); | |
1084 | strbuf_reset(&key); | |
1085 | } | |
1086 | ||
f7415b4d | 1087 | if (option_required_reference.nr || option_optional_reference.nr) |
dbc92b07 | 1088 | setup_reference(); |
766ac6a6 | 1089 | |
515be833 | 1090 | remote = remote_get(option_origin); |
689f0396 | 1091 | |
3e42cb3b SG |
1092 | strbuf_addf(&default_refspec, "+%s*:%s*", src_ref_prefix, |
1093 | branch_top.buf); | |
515be833 | 1094 | refspec_append(&remote->fetch, default_refspec.buf); |
8434c2f1 | 1095 | |
6f48d39f | 1096 | transport = transport_get(remote, remote->url[0]); |
822f0c4f | 1097 | transport_set_verbosity(transport, option_verbosity, option_progress); |
c915f11e | 1098 | transport->family = family; |
822f0c4f | 1099 | |
f38aa83f MB |
1100 | path = get_repo_path(remote->url[0], &is_bundle); |
1101 | is_local = option_local != 0 && path && !is_bundle; | |
1102 | if (is_local) { | |
1103 | if (option_depth) | |
1104 | warning(_("--depth is ignored in local clones; use file:// instead.")); | |
994c2aaf NTND |
1105 | if (option_since) |
1106 | warning(_("--shallow-since is ignored in local clones; use file:// instead.")); | |
859e5df9 NTND |
1107 | if (option_not.nr) |
1108 | warning(_("--shallow-exclude is ignored in local clones; use file:// instead.")); | |
548719fb JT |
1109 | if (filter_options.choice) |
1110 | warning(_("--filter is ignored in local clones; use file:// instead.")); | |
f38aa83f MB |
1111 | if (!access(mkpath("%s/shallow", path), F_OK)) { |
1112 | if (option_local > 0) | |
1113 | warning(_("source repository is shallow, ignoring --local")); | |
1114 | is_local = 0; | |
1115 | } | |
1116 | } | |
1117 | if (option_local > 0 && !is_local) | |
1118 | warning(_("--local is ignored")); | |
beea4152 | 1119 | transport->cloning = 1; |
8434c2f1 | 1120 | |
643f918d | 1121 | transport_set_option(transport, TRANS_OPT_KEEP, "yes"); |
8434c2f1 | 1122 | |
643f918d JK |
1123 | if (option_depth) |
1124 | transport_set_option(transport, TRANS_OPT_DEPTH, | |
1125 | option_depth); | |
994c2aaf NTND |
1126 | if (option_since) |
1127 | transport_set_option(transport, TRANS_OPT_DEEPEN_SINCE, | |
1128 | option_since); | |
859e5df9 NTND |
1129 | if (option_not.nr) |
1130 | transport_set_option(transport, TRANS_OPT_DEEPEN_NOT, | |
1131 | (const char *)&option_not); | |
643f918d JK |
1132 | if (option_single_branch) |
1133 | transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, "1"); | |
8434c2f1 | 1134 | |
643f918d JK |
1135 | if (option_upload_pack) |
1136 | transport_set_option(transport, TRANS_OPT_UPLOADPACK, | |
1137 | option_upload_pack); | |
c6807a40 | 1138 | |
548719fb | 1139 | if (filter_options.choice) { |
87c2d9d3 JS |
1140 | struct strbuf expanded_filter_spec = STRBUF_INIT; |
1141 | expand_list_objects_filter_spec(&filter_options, | |
1142 | &expanded_filter_spec); | |
548719fb | 1143 | transport_set_option(transport, TRANS_OPT_LIST_OBJECTS_FILTER, |
87c2d9d3 | 1144 | expanded_filter_spec.buf); |
548719fb | 1145 | transport_set_option(transport, TRANS_OPT_FROM_PROMISOR, "1"); |
87c2d9d3 | 1146 | strbuf_release(&expanded_filter_spec); |
548719fb JT |
1147 | } |
1148 | ||
1149 | if (transport->smart_options && !deepen && !filter_options.choice) | |
643f918d | 1150 | transport->smart_options->check_self_contained_and_connected = 1; |
8434c2f1 | 1151 | |
402c47d9 BW |
1152 | |
1153 | argv_array_push(&ref_prefixes, "HEAD"); | |
515be833 | 1154 | refspec_ref_prefixes(&remote->fetch, &ref_prefixes); |
402c47d9 BW |
1155 | if (option_branch) |
1156 | expand_ref_prefix(&ref_prefixes, option_branch); | |
1157 | if (!option_no_tags) | |
1158 | argv_array_push(&ref_prefixes, "refs/tags/"); | |
1159 | ||
1160 | refs = transport_get_remote_refs(transport, &ref_prefixes); | |
8434c2f1 | 1161 | |
5b05795c | 1162 | if (refs) { |
515be833 | 1163 | mapped_refs = wanted_peer_refs(refs, &remote->fetch); |
5b05795c MH |
1164 | /* |
1165 | * transport_get_remote_refs() may return refs with null sha-1 | |
1166 | * in mapped_refs (see struct transport->get_refs_list | |
1167 | * comment). In that case we need fetch it early because | |
1168 | * remote_head code below relies on it. | |
1169 | * | |
1170 | * for normal clones, transport_get_remote_refs() should | |
1171 | * return reliable ref set, we can delay cloning until after | |
1172 | * remote HEAD check. | |
1173 | */ | |
1174 | for (ref = refs; ref; ref = ref->next) | |
f4e54d02 | 1175 | if (is_null_oid(&ref->old_oid)) { |
5b05795c MH |
1176 | complete_refs_before_fetch = 0; |
1177 | break; | |
1178 | } | |
90498161 | 1179 | |
5b05795c | 1180 | if (!is_local && !complete_refs_before_fetch) |
e2842b39 | 1181 | transport_fetch_refs(transport, mapped_refs); |
8434c2f1 | 1182 | |
6cb4e6cc | 1183 | remote_head = find_ref_by_name(refs, "HEAD"); |
7a4ee28f JK |
1184 | remote_head_points_at = |
1185 | guess_remote_head(remote_head, mapped_refs, 0); | |
1186 | ||
1187 | if (option_branch) { | |
7a4ee28f | 1188 | our_head_points_at = |
9e585046 | 1189 | find_remote_branch(mapped_refs, option_branch); |
7a4ee28f | 1190 | |
920b691f NTND |
1191 | if (!our_head_points_at) |
1192 | die(_("Remote branch %s not found in upstream %s"), | |
1193 | option_branch, option_origin); | |
7a4ee28f JK |
1194 | } |
1195 | else | |
1196 | our_head_points_at = remote_head_points_at; | |
86ac7518 SR |
1197 | } |
1198 | else { | |
a3552aba RT |
1199 | if (option_branch) |
1200 | die(_("Remote branch %s not found in upstream %s"), | |
1201 | option_branch, option_origin); | |
1202 | ||
e84d7b74 | 1203 | warning(_("You appear to have cloned an empty repository.")); |
5b05795c | 1204 | mapped_refs = NULL; |
7a4ee28f JK |
1205 | our_head_points_at = NULL; |
1206 | remote_head_points_at = NULL; | |
86ac7518 SR |
1207 | remote_head = NULL; |
1208 | option_no_checkout = 1; | |
5cd12b85 | 1209 | if (!option_bare) |
a9f2c136 | 1210 | install_branch_config(0, "master", option_origin, |
5cd12b85 | 1211 | "refs/heads/master"); |
86ac7518 | 1212 | } |
8434c2f1 | 1213 | |
31b808a0 RT |
1214 | write_refspec_config(src_ref_prefix, our_head_points_at, |
1215 | remote_head_points_at, &branch_top); | |
1216 | ||
548719fb JT |
1217 | if (filter_options.choice) |
1218 | partial_clone_register("origin", &filter_options); | |
1219 | ||
6f48d39f NTND |
1220 | if (is_local) |
1221 | clone_local(path, git_dir); | |
90498161 | 1222 | else if (refs && complete_refs_before_fetch) |
e2842b39 | 1223 | transport_fetch_refs(transport, mapped_refs); |
8434c2f1 | 1224 | |
960b7d1c | 1225 | update_remote_refs(refs, mapped_refs, remote_head_points_at, |
548719fb | 1226 | branch_top.buf, reflog_msg.buf, transport, |
a7e67c11 | 1227 | !is_local); |
8434c2f1 | 1228 | |
f034d354 | 1229 | update_head(our_head_points_at, remote_head, reflog_msg.buf); |
1db4a75c | 1230 | |
72c5f883 JK |
1231 | /* |
1232 | * We want to show progress for recursive submodule clones iff | |
1233 | * we did so for the main clone. But only the transport knows | |
1234 | * the final decision for this flag, so we need to rescue the value | |
1235 | * before we free the transport. | |
1236 | */ | |
1237 | submodule_progress = transport->progress; | |
1238 | ||
6f48d39f NTND |
1239 | transport_unlock_pack(transport); |
1240 | transport_disconnect(transport); | |
1db4a75c | 1241 | |
786b150c | 1242 | if (option_dissociate) { |
d0b59866 | 1243 | close_all_packs(the_repository->objects); |
fb1d6dab | 1244 | dissociate_from_references(); |
786b150c | 1245 | } |
fb1d6dab | 1246 | |
d3b34622 | 1247 | junk_mode = JUNK_LEAVE_REPO; |
548719fb | 1248 | fetch_if_missing = 1; |
72c5f883 | 1249 | err = checkout(submodule_progress); |
8434c2f1 DB |
1250 | |
1251 | strbuf_release(&reflog_msg); | |
b5ff37ac MV |
1252 | strbuf_release(&branch_top); |
1253 | strbuf_release(&key); | |
3e42cb3b | 1254 | strbuf_release(&default_refspec); |
d3b34622 | 1255 | junk_mode = JUNK_LEAVE_ALL; |
50b67732 | 1256 | |
402c47d9 | 1257 | argv_array_clear(&ref_prefixes); |
dfa7a6c5 | 1258 | return err; |
8434c2f1 | 1259 | } |