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Commit | Line | Data |
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8434c2f1 DB |
1 | /* |
2 | * Builtin "git clone" | |
3 | * | |
4 | * Copyright (c) 2007 Kristian Høgsberg <krh@redhat.com>, | |
5 | * 2008 Daniel Barkalow <barkalow@iabervon.org> | |
6 | * Based on git-commit.sh by Junio C Hamano and Linus Torvalds | |
7 | * | |
8 | * Clone a repository into a different directory that does not yet exist. | |
9 | */ | |
10 | ||
f8adbec9 | 11 | #define USE_THE_INDEX_COMPATIBILITY_MACROS |
c2e86add | 12 | #include "builtin.h" |
b2141fc1 | 13 | #include "config.h" |
697cc8ef | 14 | #include "lockfile.h" |
8434c2f1 DB |
15 | #include "parse-options.h" |
16 | #include "fetch-pack.h" | |
17 | #include "refs.h" | |
ec0cb496 | 18 | #include "refspec.h" |
cbd53a21 | 19 | #include "object-store.h" |
8434c2f1 DB |
20 | #include "tree.h" |
21 | #include "tree-walk.h" | |
22 | #include "unpack-trees.h" | |
23 | #include "transport.h" | |
24 | #include "strbuf.h" | |
25 | #include "dir.h" | |
ff7ccc8c MT |
26 | #include "dir-iterator.h" |
27 | #include "iterator.h" | |
4a16d072 | 28 | #include "sigchain.h" |
a9f2c136 | 29 | #include "branch.h" |
8ef51733 | 30 | #include "remote.h" |
dfa7a6c5 | 31 | #include "run-command.h" |
0433ad12 | 32 | #include "connected.h" |
3836d88a | 33 | #include "packfile.h" |
548719fb | 34 | #include "list-objects-filter-options.h" |
8434c2f1 DB |
35 | |
36 | /* | |
37 | * Overall FIXMEs: | |
38 | * - respect DB_ENVIRONMENT for .git/objects. | |
39 | * | |
40 | * Implementation notes: | |
41 | * - dropping use-separate-remote and no-separate-remote compatibility | |
42 | * | |
43 | */ | |
44 | static const char * const builtin_clone_usage[] = { | |
9c9b4f2f | 45 | N_("git clone [<options>] [--] <repo> [<dir>]"), |
8434c2f1 DB |
46 | NULL |
47 | }; | |
48 | ||
3e6e0edd | 49 | static int option_no_checkout, option_bare, option_mirror, option_single_branch = -1; |
bb62e0a9 | 50 | static int option_local = -1, option_no_hardlinks, option_shared; |
0dab2468 | 51 | static int option_no_tags; |
18a74a09 | 52 | static int option_shallow_submodules; |
994c2aaf NTND |
53 | static int deepen; |
54 | static char *option_template, *option_depth, *option_since; | |
8434c2f1 | 55 | static char *option_origin = NULL; |
7a4ee28f | 56 | static char *option_branch = NULL; |
859e5df9 | 57 | static struct string_list option_not = STRING_LIST_INIT_NODUP; |
b57fb80a | 58 | static const char *real_git_dir; |
8434c2f1 | 59 | static char *option_upload_pack = "git-upload-pack"; |
5bd631b3 | 60 | static int option_verbosity; |
01fdc21f | 61 | static int option_progress = -1; |
d89f09c8 | 62 | static int option_sparse_checkout; |
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")), | |
d89f09c8 DS |
150 | OPT_BOOL(0, "sparse", &option_sparse_checkout, |
151 | N_("initialize sparse-checkout file to include only files at root")), | |
8434c2f1 DB |
152 | OPT_END() |
153 | }; | |
154 | ||
0ea68e42 | 155 | static const char *get_repo_path_1(struct strbuf *path, int *is_bundle) |
8434c2f1 | 156 | { |
b3256eb8 | 157 | static char *suffix[] = { "/.git", "", ".git/.git", ".git" }; |
8434c2f1 | 158 | static char *bundle_suffix[] = { ".bundle", "" }; |
0ea68e42 | 159 | size_t baselen = path->len; |
8434c2f1 DB |
160 | struct stat st; |
161 | int i; | |
162 | ||
163 | for (i = 0; i < ARRAY_SIZE(suffix); i++) { | |
0ea68e42 JK |
164 | strbuf_setlen(path, baselen); |
165 | strbuf_addstr(path, suffix[i]); | |
166 | if (stat(path->buf, &st)) | |
9b0ebc72 | 167 | continue; |
0ea68e42 | 168 | if (S_ISDIR(st.st_mode) && is_git_directory(path->buf)) { |
8434c2f1 | 169 | *is_bundle = 0; |
0ea68e42 | 170 | return path->buf; |
9b0ebc72 NTND |
171 | } else if (S_ISREG(st.st_mode) && st.st_size > 8) { |
172 | /* Is it a "gitfile"? */ | |
173 | char signature[8]; | |
0ea68e42 JK |
174 | const char *dst; |
175 | int len, fd = open(path->buf, O_RDONLY); | |
9b0ebc72 NTND |
176 | if (fd < 0) |
177 | continue; | |
178 | len = read_in_full(fd, signature, 8); | |
179 | close(fd); | |
180 | if (len != 8 || strncmp(signature, "gitdir: ", 8)) | |
181 | continue; | |
0ea68e42 JK |
182 | dst = read_gitfile(path->buf); |
183 | if (dst) { | |
9b0ebc72 | 184 | *is_bundle = 0; |
0ea68e42 | 185 | return dst; |
9b0ebc72 | 186 | } |
8434c2f1 DB |
187 | } |
188 | } | |
189 | ||
190 | for (i = 0; i < ARRAY_SIZE(bundle_suffix); i++) { | |
0ea68e42 JK |
191 | strbuf_setlen(path, baselen); |
192 | strbuf_addstr(path, bundle_suffix[i]); | |
193 | if (!stat(path->buf, &st) && S_ISREG(st.st_mode)) { | |
8434c2f1 | 194 | *is_bundle = 1; |
0ea68e42 | 195 | return path->buf; |
8434c2f1 DB |
196 | } |
197 | } | |
198 | ||
199 | return NULL; | |
200 | } | |
201 | ||
0ea68e42 JK |
202 | static char *get_repo_path(const char *repo, int *is_bundle) |
203 | { | |
204 | struct strbuf path = STRBUF_INIT; | |
205 | const char *raw; | |
206 | char *canon; | |
207 | ||
208 | strbuf_addstr(&path, repo); | |
209 | raw = get_repo_path_1(&path, is_bundle); | |
0aaad415 | 210 | canon = raw ? absolute_pathdup(raw) : NULL; |
0ea68e42 JK |
211 | strbuf_release(&path); |
212 | return canon; | |
213 | } | |
214 | ||
6612f877 | 215 | static char *guess_dir_name(const char *repo, int is_bundle, int is_bare) |
8434c2f1 | 216 | { |
e8959867 | 217 | const char *end = repo + strlen(repo), *start, *ptr; |
7e837c64 | 218 | size_t len; |
8a94bc7b | 219 | char *dir; |
b8c5db35 | 220 | |
e8959867 PS |
221 | /* |
222 | * Skip scheme. | |
223 | */ | |
224 | start = strstr(repo, "://"); | |
225 | if (start == NULL) | |
226 | start = repo; | |
227 | else | |
228 | start += 3; | |
229 | ||
230 | /* | |
231 | * Skip authentication data. The stripping does happen | |
232 | * greedily, such that we strip up to the last '@' inside | |
233 | * the host part. | |
234 | */ | |
235 | for (ptr = start; ptr < end && !is_dir_sep(*ptr); ptr++) { | |
236 | if (*ptr == '@') | |
237 | start = ptr + 1; | |
238 | } | |
239 | ||
b8c5db35 | 240 | /* |
8a94bc7b | 241 | * Strip trailing spaces, slashes and /.git |
b8c5db35 | 242 | */ |
e8959867 | 243 | while (start < end && (is_dir_sep(end[-1]) || isspace(end[-1]))) |
b8c5db35 | 244 | end--; |
e8959867 | 245 | if (end - start > 5 && is_dir_sep(end[-5]) && |
b8c5db35 JS |
246 | !strncmp(end - 4, ".git", 4)) { |
247 | end -= 5; | |
e8959867 | 248 | while (start < end && is_dir_sep(end[-1])) |
b8c5db35 JS |
249 | end--; |
250 | } | |
251 | ||
252 | /* | |
92722efe PS |
253 | * Strip trailing port number if we've got only a |
254 | * hostname (that is, there is no dir separator but a | |
255 | * colon). This check is required such that we do not | |
256 | * strip URI's like '/foo/bar:2222.git', which should | |
257 | * result in a dir '2222' being guessed due to backwards | |
258 | * compatibility. | |
259 | */ | |
260 | if (memchr(start, '/', end - start) == NULL | |
261 | && memchr(start, ':', end - start) != NULL) { | |
262 | ptr = end; | |
263 | while (start < ptr && isdigit(ptr[-1]) && ptr[-1] != ':') | |
264 | ptr--; | |
265 | if (start < ptr && ptr[-1] == ':') | |
266 | end = ptr - 1; | |
267 | } | |
268 | ||
b8c5db35 | 269 | /* |
e8959867 PS |
270 | * Find last component. To remain backwards compatible we |
271 | * also regard colons as path separators, such that | |
272 | * cloning a repository 'foo:bar.git' would result in a | |
273 | * directory 'bar' being guessed. | |
b8c5db35 | 274 | */ |
e8959867 PS |
275 | ptr = end; |
276 | while (start < ptr && !is_dir_sep(ptr[-1]) && ptr[-1] != ':') | |
277 | ptr--; | |
278 | start = ptr; | |
b8c5db35 JS |
279 | |
280 | /* | |
281 | * Strip .{bundle,git}. | |
282 | */ | |
db2e2204 JK |
283 | len = end - start; |
284 | strip_suffix_mem(start, &len, is_bundle ? ".bundle" : ".git"); | |
8434c2f1 | 285 | |
adef9561 | 286 | if (!len || (len == 1 && *start == '/')) |
39ad4f39 NTND |
287 | die(_("No directory name could be guessed.\n" |
288 | "Please specify a directory on the command line")); | |
adef9561 | 289 | |
7e837c64 SS |
290 | if (is_bare) |
291 | dir = xstrfmt("%.*s.git", (int)len, start); | |
292 | else | |
293 | dir = xstrndup(start, len); | |
8a94bc7b AR |
294 | /* |
295 | * Replace sequences of 'control' characters and whitespace | |
296 | * with one ascii space, remove leading and trailing spaces. | |
297 | */ | |
298 | if (*dir) { | |
299 | char *out = dir; | |
300 | int prev_space = 1 /* strip leading whitespace */; | |
301 | for (end = dir; *end; ++end) { | |
302 | char ch = *end; | |
303 | if ((unsigned char)ch < '\x20') | |
304 | ch = '\x20'; | |
305 | if (isspace(ch)) { | |
306 | if (prev_space) | |
307 | continue; | |
308 | prev_space = 1; | |
309 | } else | |
310 | prev_space = 0; | |
311 | *out++ = ch; | |
312 | } | |
313 | *out = '\0'; | |
314 | if (out > dir && prev_space) | |
315 | out[-1] = '\0'; | |
6612f877 | 316 | } |
8a94bc7b | 317 | return dir; |
8434c2f1 DB |
318 | } |
319 | ||
44a68fd5 CB |
320 | static void strip_trailing_slashes(char *dir) |
321 | { | |
322 | char *end = dir + strlen(dir); | |
323 | ||
324 | while (dir < end - 1 && is_dir_sep(end[-1])) | |
325 | end--; | |
326 | *end = '\0'; | |
327 | } | |
328 | ||
dbc92b07 | 329 | static int add_one_reference(struct string_list_item *item, void *cb_data) |
8434c2f1 | 330 | { |
9eeea7d2 | 331 | struct strbuf err = STRBUF_INIT; |
f7415b4d | 332 | int *required = cb_data; |
9eeea7d2 | 333 | char *ref_git = compute_alternate_path(item->string, &err); |
8434c2f1 | 334 | |
f7415b4d SB |
335 | if (!ref_git) { |
336 | if (*required) | |
337 | die("%s", err.buf); | |
338 | else | |
339 | fprintf(stderr, | |
340 | _("info: Could not add alternate for '%s': %s\n"), | |
341 | item->string, err.buf); | |
342 | } else { | |
343 | struct strbuf sb = STRBUF_INIT; | |
344 | strbuf_addf(&sb, "%s/objects", ref_git); | |
345 | add_to_alternates_file(sb.buf); | |
346 | strbuf_release(&sb); | |
347 | } | |
606e435a | 348 | |
9eeea7d2 | 349 | strbuf_release(&err); |
f7415b4d | 350 | free(ref_git); |
dbc92b07 JH |
351 | return 0; |
352 | } | |
8434c2f1 | 353 | |
dbc92b07 JH |
354 | static void setup_reference(void) |
355 | { | |
f7415b4d SB |
356 | int required = 1; |
357 | for_each_string_list(&option_required_reference, | |
358 | add_one_reference, &required); | |
359 | required = 0; | |
360 | for_each_string_list(&option_optional_reference, | |
361 | add_one_reference, &required); | |
8434c2f1 DB |
362 | } |
363 | ||
3c1dce88 | 364 | static void copy_alternates(struct strbuf *src, const char *src_repo) |
e6baf4a1 JH |
365 | { |
366 | /* | |
367 | * Read from the source objects/info/alternates file | |
368 | * and copy the entries to corresponding file in the | |
369 | * destination repository with add_to_alternates_file(). | |
370 | * Both src and dst have "$path/objects/info/alternates". | |
371 | * | |
372 | * Instead of copying bit-for-bit from the original, | |
373 | * we need to append to existing one so that the already | |
374 | * created entry via "clone -s" is not lost, and also | |
375 | * to turn entries with paths relative to the original | |
376 | * absolute, so that they can be used in the new repository. | |
377 | */ | |
02912f47 | 378 | FILE *in = xfopen(src->buf, "r"); |
e6baf4a1 JH |
379 | struct strbuf line = STRBUF_INIT; |
380 | ||
3f163962 | 381 | while (strbuf_getline(&line, in) != EOF) { |
dcf69262 | 382 | char *abs_path; |
e6baf4a1 JH |
383 | if (!line.len || line.buf[0] == '#') |
384 | continue; | |
385 | if (is_absolute_path(line.buf)) { | |
386 | add_to_alternates_file(line.buf); | |
387 | continue; | |
388 | } | |
dcf69262 | 389 | abs_path = mkpathdup("%s/objects/%s", src_repo, line.buf); |
22d3b8de JK |
390 | if (!normalize_path_copy(abs_path, abs_path)) |
391 | add_to_alternates_file(abs_path); | |
392 | else | |
393 | warning("skipping invalid relative alternate: %s/%s", | |
394 | src_repo, line.buf); | |
dcf69262 | 395 | free(abs_path); |
e6baf4a1 JH |
396 | } |
397 | strbuf_release(&line); | |
398 | fclose(in); | |
399 | } | |
400 | ||
14954b79 MT |
401 | static void mkdir_if_missing(const char *pathname, mode_t mode) |
402 | { | |
403 | struct stat st; | |
404 | ||
405 | if (!mkdir(pathname, mode)) | |
406 | return; | |
407 | ||
408 | if (errno != EEXIST) | |
409 | die_errno(_("failed to create directory '%s'"), pathname); | |
410 | else if (stat(pathname, &st)) | |
411 | die_errno(_("failed to stat '%s'"), pathname); | |
412 | else if (!S_ISDIR(st.st_mode)) | |
413 | die(_("%s exists and is not a directory"), pathname); | |
414 | } | |
415 | ||
e6baf4a1 | 416 | static void copy_or_link_directory(struct strbuf *src, struct strbuf *dest, |
ff7ccc8c | 417 | const char *src_repo) |
8434c2f1 | 418 | { |
8434c2f1 | 419 | int src_len, dest_len; |
ff7ccc8c MT |
420 | struct dir_iterator *iter; |
421 | int iter_status; | |
422 | unsigned int flags; | |
3d7747e3 | 423 | struct strbuf realpath = STRBUF_INIT; |
8434c2f1 | 424 | |
14954b79 | 425 | mkdir_if_missing(dest->buf, 0777); |
8434c2f1 | 426 | |
ff7ccc8c MT |
427 | flags = DIR_ITERATOR_PEDANTIC | DIR_ITERATOR_FOLLOW_SYMLINKS; |
428 | iter = dir_iterator_begin(src->buf, flags); | |
429 | ||
430 | if (!iter) | |
431 | die_errno(_("failed to start iterator over '%s'"), src->buf); | |
8434c2f1 | 432 | |
b9e125e0 MV |
433 | strbuf_addch(src, '/'); |
434 | src_len = src->len; | |
435 | strbuf_addch(dest, '/'); | |
436 | dest_len = dest->len; | |
8434c2f1 | 437 | |
ff7ccc8c | 438 | while ((iter_status = dir_iterator_advance(iter)) == ITER_OK) { |
b9e125e0 | 439 | strbuf_setlen(src, src_len); |
ff7ccc8c | 440 | strbuf_addstr(src, iter->relative_path); |
b9e125e0 | 441 | strbuf_setlen(dest, dest_len); |
ff7ccc8c MT |
442 | strbuf_addstr(dest, iter->relative_path); |
443 | ||
444 | if (S_ISDIR(iter->st.st_mode)) { | |
445 | mkdir_if_missing(dest->buf, 0777); | |
e6baf4a1 JH |
446 | continue; |
447 | } | |
448 | ||
449 | /* Files that cannot be copied bit-for-bit... */ | |
c4d9c506 | 450 | if (!fspathcmp(iter->relative_path, "info/alternates")) { |
3c1dce88 | 451 | copy_alternates(src, src_repo); |
8434c2f1 DB |
452 | continue; |
453 | } | |
454 | ||
b9e125e0 | 455 | if (unlink(dest->buf) && errno != ENOENT) |
e84d7b74 | 456 | die_errno(_("failed to unlink '%s'"), dest->buf); |
fdabc242 | 457 | if (!option_no_hardlinks) { |
3d7747e3 AM |
458 | strbuf_realpath(&realpath, src->buf, 1); |
459 | if (!link(realpath.buf, dest->buf)) | |
fdabc242 | 460 | continue; |
189260b1 | 461 | if (option_local > 0) |
e84d7b74 | 462 | die_errno(_("failed to create link '%s'"), dest->buf); |
fdabc242 | 463 | option_no_hardlinks = 1; |
8434c2f1 | 464 | } |
f7835a25 | 465 | if (copy_file_with_time(dest->buf, src->buf, 0666)) |
e84d7b74 | 466 | die_errno(_("failed to copy file to '%s'"), dest->buf); |
8434c2f1 | 467 | } |
ff7ccc8c MT |
468 | |
469 | if (iter_status != ITER_DONE) { | |
470 | strbuf_setlen(src, src_len); | |
471 | die(_("failed to iterate over '%s'"), src->buf); | |
472 | } | |
3d7747e3 AM |
473 | |
474 | strbuf_release(&realpath); | |
8434c2f1 DB |
475 | } |
476 | ||
6f48d39f | 477 | static void clone_local(const char *src_repo, const char *dest_repo) |
8434c2f1 | 478 | { |
e6baf4a1 JH |
479 | if (option_shared) { |
480 | struct strbuf alt = STRBUF_INIT; | |
b3b05971 ES |
481 | get_common_dir(&alt, src_repo); |
482 | strbuf_addstr(&alt, "/objects"); | |
e6baf4a1 JH |
483 | add_to_alternates_file(alt.buf); |
484 | strbuf_release(&alt); | |
485 | } else { | |
486 | struct strbuf src = STRBUF_INIT; | |
487 | struct strbuf dest = STRBUF_INIT; | |
744e4697 NTND |
488 | get_common_dir(&src, src_repo); |
489 | get_common_dir(&dest, dest_repo); | |
490 | strbuf_addstr(&src, "/objects"); | |
491 | strbuf_addstr(&dest, "/objects"); | |
ff7ccc8c | 492 | copy_or_link_directory(&src, &dest, src_repo); |
b9e125e0 MV |
493 | strbuf_release(&src); |
494 | strbuf_release(&dest); | |
8434c2f1 DB |
495 | } |
496 | ||
28ba96ab | 497 | if (0 <= option_verbosity) |
68b939b2 | 498 | fprintf(stderr, _("done.\n")); |
8434c2f1 DB |
499 | } |
500 | ||
501 | static const char *junk_work_tree; | |
d45420c1 | 502 | static int junk_work_tree_flags; |
8434c2f1 | 503 | static const char *junk_git_dir; |
d45420c1 | 504 | static int junk_git_dir_flags; |
85064630 | 505 | static enum { |
d3b34622 JK |
506 | JUNK_LEAVE_NONE, |
507 | JUNK_LEAVE_REPO, | |
508 | JUNK_LEAVE_ALL | |
509 | } junk_mode = JUNK_LEAVE_NONE; | |
510 | ||
511 | static const char junk_leave_repo_msg[] = | |
512 | N_("Clone succeeded, but checkout failed.\n" | |
513 | "You can inspect what was checked out with 'git status'\n" | |
80f537f7 | 514 | "and retry with 'git restore --source=HEAD :/'\n"); |
8434c2f1 DB |
515 | |
516 | static void remove_junk(void) | |
517 | { | |
f285a2d7 | 518 | struct strbuf sb = STRBUF_INIT; |
d3b34622 JK |
519 | |
520 | switch (junk_mode) { | |
521 | case JUNK_LEAVE_REPO: | |
522 | warning("%s", _(junk_leave_repo_msg)); | |
523 | /* fall-through */ | |
524 | case JUNK_LEAVE_ALL: | |
525 | return; | |
526 | default: | |
527 | /* proceed to removal */ | |
528 | break; | |
529 | } | |
530 | ||
8434c2f1 DB |
531 | if (junk_git_dir) { |
532 | strbuf_addstr(&sb, junk_git_dir); | |
d45420c1 | 533 | remove_dir_recursively(&sb, junk_git_dir_flags); |
8434c2f1 DB |
534 | strbuf_reset(&sb); |
535 | } | |
536 | if (junk_work_tree) { | |
537 | strbuf_addstr(&sb, junk_work_tree); | |
d45420c1 | 538 | remove_dir_recursively(&sb, junk_work_tree_flags); |
8434c2f1 | 539 | } |
9c18b548 | 540 | strbuf_release(&sb); |
8434c2f1 DB |
541 | } |
542 | ||
543 | static void remove_junk_on_signal(int signo) | |
544 | { | |
545 | remove_junk(); | |
4a16d072 | 546 | sigchain_pop(signo); |
8434c2f1 DB |
547 | raise(signo); |
548 | } | |
549 | ||
9e585046 NTND |
550 | static struct ref *find_remote_branch(const struct ref *refs, const char *branch) |
551 | { | |
552 | struct ref *ref; | |
553 | struct strbuf head = STRBUF_INIT; | |
554 | strbuf_addstr(&head, "refs/heads/"); | |
555 | strbuf_addstr(&head, branch); | |
556 | ref = find_ref_by_name(refs, head.buf); | |
557 | strbuf_release(&head); | |
5a7d5b68 NTND |
558 | |
559 | if (ref) | |
560 | return ref; | |
561 | ||
562 | strbuf_addstr(&head, "refs/tags/"); | |
563 | strbuf_addstr(&head, branch); | |
564 | ref = find_ref_by_name(refs, head.buf); | |
565 | strbuf_release(&head); | |
566 | ||
9e585046 NTND |
567 | return ref; |
568 | } | |
569 | ||
5bdc32d3 | 570 | static struct ref *wanted_peer_refs(const struct ref *refs, |
515be833 | 571 | struct refspec *refspec) |
8434c2f1 | 572 | { |
c1921c18 JK |
573 | struct ref *head = copy_ref(find_ref_by_name(refs, "HEAD")); |
574 | struct ref *local_refs = head; | |
575 | struct ref **tail = head ? &head->next : &local_refs; | |
8434c2f1 | 576 | |
3e6e0edd NTND |
577 | if (option_single_branch) { |
578 | struct ref *remote_head = NULL; | |
579 | ||
580 | if (!option_branch) | |
581 | remote_head = guess_remote_head(head, refs, 0); | |
0ec4b165 NTND |
582 | else { |
583 | local_refs = NULL; | |
584 | tail = &local_refs; | |
585 | remote_head = copy_ref(find_remote_branch(refs, option_branch)); | |
586 | } | |
3e6e0edd NTND |
587 | |
588 | if (!remote_head && option_branch) | |
589 | warning(_("Could not find remote branch %s to clone."), | |
590 | option_branch); | |
5a7d5b68 | 591 | else { |
515be833 SG |
592 | int i; |
593 | for (i = 0; i < refspec->nr; i++) | |
594 | get_fetch_map(remote_head, &refspec->items[i], | |
595 | &tail, 0); | |
5a7d5b68 NTND |
596 | |
597 | /* if --branch=tag, pull the requested tag explicitly */ | |
598 | get_fetch_map(remote_head, tag_refspec, &tail, 0); | |
599 | } | |
515be833 SG |
600 | } else { |
601 | int i; | |
602 | for (i = 0; i < refspec->nr; i++) | |
603 | get_fetch_map(refs, &refspec->items[i], &tail, 0); | |
604 | } | |
3e6e0edd | 605 | |
0dab2468 | 606 | if (!option_mirror && !option_single_branch && !option_no_tags) |
468386a9 | 607 | get_fetch_map(refs, tag_refspec, &tail, 0); |
8434c2f1 | 608 | |
5bdc32d3 NP |
609 | return local_refs; |
610 | } | |
611 | ||
612 | static void write_remote_refs(const struct ref *local_refs) | |
613 | { | |
614 | const struct ref *r; | |
615 | ||
58f233ce MH |
616 | struct ref_transaction *t; |
617 | struct strbuf err = STRBUF_INIT; | |
618 | ||
619 | t = ref_transaction_begin(&err); | |
620 | if (!t) | |
621 | die("%s", err.buf); | |
9f69d297 | 622 | |
c1921c18 JK |
623 | for (r = local_refs; r; r = r->next) { |
624 | if (!r->peer_ref) | |
625 | continue; | |
89f3bbdd | 626 | if (ref_transaction_create(t, r->peer_ref->name, &r->old_oid, |
58f233ce MH |
627 | 0, NULL, &err)) |
628 | die("%s", err.buf); | |
c1921c18 | 629 | } |
3e8aded2 | 630 | |
58f233ce MH |
631 | if (initial_ref_transaction_commit(t, &err)) |
632 | die("%s", err.buf); | |
633 | ||
634 | strbuf_release(&err); | |
635 | ref_transaction_free(t); | |
8434c2f1 DB |
636 | } |
637 | ||
3e6e0edd NTND |
638 | static void write_followtags(const struct ref *refs, const char *msg) |
639 | { | |
640 | const struct ref *ref; | |
641 | for (ref = refs; ref; ref = ref->next) { | |
59556548 | 642 | if (!starts_with(ref->name, "refs/tags/")) |
3e6e0edd | 643 | continue; |
59556548 | 644 | if (ends_with(ref->name, "^{}")) |
3e6e0edd | 645 | continue; |
f4e54d02 | 646 | if (!has_object_file(&ref->old_oid)) |
3e6e0edd | 647 | continue; |
ae077771 | 648 | update_ref(msg, ref->name, &ref->old_oid, NULL, 0, |
649 | UPDATE_REFS_DIE_ON_ERR); | |
3e6e0edd NTND |
650 | } |
651 | } | |
652 | ||
6ccac9ee | 653 | static int iterate_ref_map(void *cb_data, struct object_id *oid) |
0433ad12 JK |
654 | { |
655 | struct ref **rm = cb_data; | |
656 | struct ref *ref = *rm; | |
657 | ||
658 | /* | |
659 | * Skip anything missing a peer_ref, which we are not | |
660 | * actually going to write a ref for. | |
661 | */ | |
662 | while (ref && !ref->peer_ref) | |
663 | ref = ref->next; | |
664 | /* Returning -1 notes "end of list" to the caller. */ | |
665 | if (!ref) | |
666 | return -1; | |
667 | ||
6ccac9ee | 668 | oidcpy(oid, &ref->old_oid); |
0433ad12 JK |
669 | *rm = ref->next; |
670 | return 0; | |
671 | } | |
672 | ||
960b7d1c NTND |
673 | static void update_remote_refs(const struct ref *refs, |
674 | const struct ref *mapped_refs, | |
675 | const struct ref *remote_head_points_at, | |
676 | const char *branch_top, | |
c6807a40 | 677 | const char *msg, |
45ed4afa | 678 | struct transport *transport, |
dfa33a29 | 679 | int check_connectivity, |
50033772 | 680 | int check_refs_are_promisor_objects_only) |
960b7d1c | 681 | { |
0433ad12 JK |
682 | const struct ref *rm = mapped_refs; |
683 | ||
125a05fd | 684 | if (check_connectivity) { |
7043c707 JK |
685 | struct check_connected_options opt = CHECK_CONNECTED_INIT; |
686 | ||
687 | opt.transport = transport; | |
38e590ea | 688 | opt.progress = transport->progress; |
50033772 JT |
689 | opt.check_refs_are_promisor_objects_only = |
690 | !!check_refs_are_promisor_objects_only; | |
7043c707 | 691 | |
7043c707 | 692 | if (check_connected(iterate_ref_map, &rm, &opt)) |
125a05fd JK |
693 | die(_("remote did not send all necessary objects")); |
694 | } | |
0433ad12 | 695 | |
960b7d1c | 696 | if (refs) { |
960b7d1c | 697 | write_remote_refs(mapped_refs); |
0dab2468 | 698 | if (option_single_branch && !option_no_tags) |
960b7d1c NTND |
699 | write_followtags(refs, msg); |
700 | } | |
701 | ||
702 | if (remote_head_points_at && !option_bare) { | |
703 | struct strbuf head_ref = STRBUF_INIT; | |
704 | strbuf_addstr(&head_ref, branch_top); | |
705 | strbuf_addstr(&head_ref, "HEAD"); | |
4be49d75 JK |
706 | if (create_symref(head_ref.buf, |
707 | remote_head_points_at->peer_ref->name, | |
708 | msg) < 0) | |
39ad4f39 | 709 | die(_("unable to update %s"), head_ref.buf); |
4be49d75 | 710 | strbuf_release(&head_ref); |
960b7d1c NTND |
711 | } |
712 | } | |
713 | ||
f034d354 NTND |
714 | static void update_head(const struct ref *our, const struct ref *remote, |
715 | const char *msg) | |
716 | { | |
cf4fff57 JK |
717 | const char *head; |
718 | if (our && skip_prefix(our->name, "refs/heads/", &head)) { | |
f034d354 | 719 | /* Local default branch link */ |
4be49d75 | 720 | if (create_symref("HEAD", our->name, NULL) < 0) |
39ad4f39 | 721 | die(_("unable to update HEAD")); |
f034d354 | 722 | if (!option_bare) { |
ae077771 | 723 | update_ref(msg, "HEAD", &our->old_oid, NULL, 0, |
f4124112 | 724 | UPDATE_REFS_DIE_ON_ERR); |
f034d354 NTND |
725 | install_branch_config(0, head, option_origin, our->name); |
726 | } | |
5a7d5b68 | 727 | } else if (our) { |
2122f675 SB |
728 | struct commit *c = lookup_commit_reference(the_repository, |
729 | &our->old_oid); | |
5a7d5b68 | 730 | /* --branch specifies a non-branch (i.e. tags), detach HEAD */ |
91774afc | 731 | update_ref(msg, "HEAD", &c->object.oid, NULL, REF_NO_DEREF, |
ae077771 | 732 | UPDATE_REFS_DIE_ON_ERR); |
f034d354 NTND |
733 | } else if (remote) { |
734 | /* | |
735 | * We know remote HEAD points to a non-branch, or | |
920b691f | 736 | * HEAD points to a branch but we don't know which one. |
f034d354 NTND |
737 | * Detach HEAD in all these cases. |
738 | */ | |
91774afc | 739 | update_ref(msg, "HEAD", &remote->old_oid, NULL, REF_NO_DEREF, |
ae077771 | 740 | UPDATE_REFS_DIE_ON_ERR); |
f034d354 NTND |
741 | } |
742 | } | |
743 | ||
d89f09c8 DS |
744 | static int git_sparse_checkout_init(const char *repo) |
745 | { | |
746 | struct argv_array argv = ARGV_ARRAY_INIT; | |
747 | int result = 0; | |
748 | argv_array_pushl(&argv, "-C", repo, "sparse-checkout", "init", NULL); | |
749 | ||
750 | /* | |
751 | * We must apply the setting in the current process | |
752 | * for the later checkout to use the sparse-checkout file. | |
753 | */ | |
754 | core_apply_sparse_checkout = 1; | |
755 | ||
756 | if (run_command_v_opt(argv.argv, RUN_GIT_CMD)) { | |
757 | error(_("failed to initialize sparse-checkout")); | |
758 | result = 1; | |
759 | } | |
760 | ||
761 | argv_array_clear(&argv); | |
762 | return result; | |
763 | } | |
764 | ||
72c5f883 | 765 | static int checkout(int submodule_progress) |
c39852c1 | 766 | { |
ddc2cc64 | 767 | struct object_id oid; |
c39852c1 | 768 | char *head; |
837e34eb | 769 | struct lock_file lock_file = LOCK_INIT; |
c39852c1 NTND |
770 | struct unpack_trees_options opts; |
771 | struct tree *tree; | |
772 | struct tree_desc t; | |
03b86647 | 773 | int err = 0; |
c39852c1 NTND |
774 | |
775 | if (option_no_checkout) | |
776 | return 0; | |
777 | ||
0f2dc722 | 778 | head = resolve_refdup("HEAD", RESOLVE_REF_READING, &oid, NULL); |
c39852c1 NTND |
779 | if (!head) { |
780 | warning(_("remote HEAD refers to nonexistent ref, " | |
781 | "unable to checkout.\n")); | |
782 | return 0; | |
783 | } | |
2857093b NTND |
784 | if (!strcmp(head, "HEAD")) { |
785 | if (advice_detached_head) | |
ddc2cc64 | 786 | detach_advice(oid_to_hex(&oid)); |
2857093b | 787 | } else { |
59556548 | 788 | if (!starts_with(head, "refs/heads/")) |
c39852c1 NTND |
789 | die(_("HEAD not found below refs/heads!")); |
790 | } | |
791 | free(head); | |
792 | ||
793 | /* We need to be in the new work tree for the checkout */ | |
794 | setup_work_tree(); | |
795 | ||
837e34eb | 796 | hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR); |
c39852c1 NTND |
797 | |
798 | memset(&opts, 0, sizeof opts); | |
799 | opts.update = 1; | |
800 | opts.merge = 1; | |
b878579a | 801 | opts.clone = 1; |
c39852c1 | 802 | opts.fn = oneway_merge; |
8f63da13 | 803 | opts.verbose_update = (option_verbosity >= 0); |
c39852c1 NTND |
804 | opts.src_index = &the_index; |
805 | opts.dst_index = &the_index; | |
806 | ||
a9dbc179 | 807 | tree = parse_tree_indirect(&oid); |
c39852c1 NTND |
808 | parse_tree(tree); |
809 | init_tree_desc(&t, tree->buffer, tree->size); | |
0aac7bb2 JK |
810 | if (unpack_trees(1, &t, &opts) < 0) |
811 | die(_("unable to checkout working tree")); | |
c39852c1 | 812 | |
837e34eb | 813 | if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK)) |
c39852c1 NTND |
814 | die(_("unable to write new index file")); |
815 | ||
8d4d86b0 | 816 | err |= run_hook_le(NULL, "post-checkout", oid_to_hex(&null_oid), |
ddc2cc64 | 817 | oid_to_hex(&oid), "1", NULL); |
c39852c1 | 818 | |
bb62e0a9 | 819 | if (!err && (option_recurse_submodules.nr > 0)) { |
72290d6a | 820 | struct argv_array args = ARGV_ARRAY_INIT; |
0060fd15 | 821 | argv_array_pushl(&args, "submodule", "update", "--require-init", "--recursive", NULL); |
72290d6a | 822 | |
18a74a09 | 823 | if (option_shallow_submodules == 1) |
d22eb044 SB |
824 | argv_array_push(&args, "--depth=1"); |
825 | ||
72290d6a SB |
826 | if (max_jobs != -1) |
827 | argv_array_pushf(&args, "--jobs=%d", max_jobs); | |
828 | ||
72c5f883 JK |
829 | if (submodule_progress) |
830 | argv_array_push(&args, "--progress"); | |
831 | ||
03c004c5 BW |
832 | if (option_verbosity < 0) |
833 | argv_array_push(&args, "--quiet"); | |
834 | ||
4c691016 BA |
835 | if (option_remote_submodules) { |
836 | argv_array_push(&args, "--remote"); | |
837 | argv_array_push(&args, "--no-fetch"); | |
838 | } | |
839 | ||
132f600b ES |
840 | if (option_single_branch >= 0) |
841 | argv_array_push(&args, option_single_branch ? | |
842 | "--single-branch" : | |
843 | "--no-single-branch"); | |
844 | ||
72290d6a SB |
845 | err = run_command_v_opt(args.argv, RUN_GIT_CMD); |
846 | argv_array_clear(&args); | |
847 | } | |
c39852c1 NTND |
848 | |
849 | return err; | |
850 | } | |
851 | ||
84054f79 JK |
852 | static int write_one_config(const char *key, const char *value, void *data) |
853 | { | |
db4eca1f JN |
854 | return git_config_set_multivar_gently(key, |
855 | value ? value : "true", | |
856 | CONFIG_REGEX_NONE, 0); | |
84054f79 JK |
857 | } |
858 | ||
859 | static void write_config(struct string_list *config) | |
860 | { | |
861 | int i; | |
862 | ||
863 | for (i = 0; i < config->nr; i++) { | |
864 | if (git_config_parse_parameter(config->items[i].string, | |
865 | write_one_config, NULL) < 0) | |
39ad4f39 | 866 | die(_("unable to write parameters to config file")); |
84054f79 JK |
867 | } |
868 | } | |
869 | ||
24d36f14 DA |
870 | static void write_refspec_config(const char *src_ref_prefix, |
871 | const struct ref *our_head_points_at, | |
872 | const struct ref *remote_head_points_at, | |
873 | struct strbuf *branch_top) | |
31b808a0 RT |
874 | { |
875 | struct strbuf key = STRBUF_INIT; | |
876 | struct strbuf value = STRBUF_INIT; | |
877 | ||
878 | if (option_mirror || !option_bare) { | |
879 | if (option_single_branch && !option_mirror) { | |
880 | if (option_branch) { | |
60a5f5fc | 881 | if (starts_with(our_head_points_at->name, "refs/tags/")) |
31b808a0 RT |
882 | strbuf_addf(&value, "+%s:%s", our_head_points_at->name, |
883 | our_head_points_at->name); | |
884 | else | |
885 | strbuf_addf(&value, "+%s:%s%s", our_head_points_at->name, | |
886 | branch_top->buf, option_branch); | |
887 | } else if (remote_head_points_at) { | |
cf4fff57 JK |
888 | const char *head = remote_head_points_at->name; |
889 | if (!skip_prefix(head, "refs/heads/", &head)) | |
033abf97 | 890 | BUG("remote HEAD points at non-head?"); |
cf4fff57 | 891 | |
31b808a0 | 892 | strbuf_addf(&value, "+%s:%s%s", remote_head_points_at->name, |
cf4fff57 | 893 | branch_top->buf, head); |
31b808a0 RT |
894 | } |
895 | /* | |
896 | * otherwise, the next "git fetch" will | |
897 | * simply fetch from HEAD without updating | |
d6ac1d21 | 898 | * any remote-tracking branch, which is what |
31b808a0 RT |
899 | * we want. |
900 | */ | |
901 | } else { | |
902 | strbuf_addf(&value, "+%s*:%s*", src_ref_prefix, branch_top->buf); | |
903 | } | |
904 | /* Configure the remote */ | |
905 | if (value.len) { | |
906 | strbuf_addf(&key, "remote.%s.fetch", option_origin); | |
907 | git_config_set_multivar(key.buf, value.buf, "^$", 0); | |
908 | strbuf_reset(&key); | |
909 | ||
910 | if (option_mirror) { | |
911 | strbuf_addf(&key, "remote.%s.mirror", option_origin); | |
912 | git_config_set(key.buf, "true"); | |
913 | strbuf_reset(&key); | |
914 | } | |
915 | } | |
916 | } | |
917 | ||
918 | strbuf_release(&key); | |
919 | strbuf_release(&value); | |
920 | } | |
921 | ||
fb1d6dab JH |
922 | static void dissociate_from_references(void) |
923 | { | |
924 | static const char* argv[] = { "repack", "-a", "-d", NULL }; | |
0181681e | 925 | char *alternates = git_pathdup("objects/info/alternates"); |
fb1d6dab | 926 | |
0181681e AR |
927 | if (!access(alternates, F_OK)) { |
928 | if (run_command_v_opt(argv, RUN_GIT_CMD|RUN_COMMAND_NO_STDIN)) | |
929 | die(_("cannot repack to clean up")); | |
930 | if (unlink(alternates) && errno != ENOENT) | |
931 | die_errno(_("cannot unlink temporary alternates file")); | |
932 | } | |
933 | free(alternates); | |
fb1d6dab JH |
934 | } |
935 | ||
6c020421 | 936 | static int path_exists(const char *path) |
f9e377ad JK |
937 | { |
938 | struct stat sb; | |
939 | return !stat(path, &sb); | |
940 | } | |
941 | ||
8434c2f1 DB |
942 | int cmd_clone(int argc, const char **argv, const char *prefix) |
943 | { | |
24c61c44 | 944 | int is_bundle = 0, is_local; |
8434c2f1 DB |
945 | const char *repo_name, *repo, *work_tree, *git_dir; |
946 | char *path, *dir; | |
55892d23 | 947 | int dest_exists; |
37148311 | 948 | const struct ref *refs, *remote_head; |
7a4ee28f JK |
949 | const struct ref *remote_head_points_at; |
950 | const struct ref *our_head_points_at; | |
37148311 | 951 | struct ref *mapped_refs; |
90498161 | 952 | const struct ref *ref; |
3e42cb3b SG |
953 | struct strbuf key = STRBUF_INIT; |
954 | struct strbuf default_refspec = STRBUF_INIT; | |
b5ff37ac | 955 | struct strbuf branch_top = STRBUF_INIT, reflog_msg = STRBUF_INIT; |
1db4a75c | 956 | struct transport *transport = NULL; |
9e585046 | 957 | const char *src_ref_prefix = "refs/heads/"; |
6f48d39f | 958 | struct remote *remote; |
90498161 | 959 | int err = 0, complete_refs_before_fetch = 1; |
72c5f883 | 960 | int submodule_progress; |
8434c2f1 | 961 | |
402c47d9 | 962 | struct argv_array ref_prefixes = ARGV_ARRAY_INIT; |
8434c2f1 | 963 | |
bbc30f99 | 964 | packet_trace_identity("clone"); |
37782920 | 965 | argc = parse_options(argc, argv, prefix, builtin_clone_options, |
8434c2f1 DB |
966 | builtin_clone_usage, 0); |
967 | ||
d52dc4b1 | 968 | if (argc > 2) |
e84d7b74 | 969 | usage_msg_opt(_("Too many arguments."), |
d52dc4b1 JN |
970 | builtin_clone_usage, builtin_clone_options); |
971 | ||
8434c2f1 | 972 | if (argc == 0) |
e84d7b74 | 973 | usage_msg_opt(_("You must specify a repository to clone."), |
d52dc4b1 | 974 | builtin_clone_usage, builtin_clone_options); |
8434c2f1 | 975 | |
859e5df9 | 976 | if (option_depth || option_since || option_not.nr) |
994c2aaf | 977 | deepen = 1; |
3e6e0edd | 978 | if (option_single_branch == -1) |
994c2aaf | 979 | option_single_branch = deepen ? 1 : 0; |
3e6e0edd | 980 | |
bc699afc JS |
981 | if (option_mirror) |
982 | option_bare = 1; | |
983 | ||
8434c2f1 DB |
984 | if (option_bare) { |
985 | if (option_origin) | |
e84d7b74 | 986 | die(_("--bare and --origin %s options are incompatible."), |
8434c2f1 | 987 | option_origin); |
95b63f1e NTND |
988 | if (real_git_dir) |
989 | die(_("--bare and --separate-git-dir are incompatible.")); | |
8434c2f1 | 990 | option_no_checkout = 1; |
8434c2f1 DB |
991 | } |
992 | ||
993 | if (!option_origin) | |
994 | option_origin = "origin"; | |
995 | ||
996 | repo_name = argv[0]; | |
997 | ||
998 | path = get_repo_path(repo_name, &is_bundle); | |
999 | if (path) | |
0aaad415 | 1000 | repo = absolute_pathdup(repo_name); |
8434c2f1 | 1001 | else if (!strchr(repo_name, ':')) |
d3e1ddfd | 1002 | die(_("repository '%s' does not exist"), repo_name); |
8434c2f1 DB |
1003 | else |
1004 | repo = repo_name; | |
1005 | ||
5594bcad NTND |
1006 | /* no need to be strict, transport_set_option() will validate it again */ |
1007 | if (option_depth && atoi(option_depth) < 1) | |
1008 | die(_("depth %s is not a positive number"), option_depth); | |
1009 | ||
8434c2f1 DB |
1010 | if (argc == 2) |
1011 | dir = xstrdup(argv[1]); | |
1012 | else | |
6612f877 | 1013 | dir = guess_dir_name(repo_name, is_bundle, option_bare); |
44a68fd5 | 1014 | strip_trailing_slashes(dir); |
8434c2f1 | 1015 | |
6c020421 | 1016 | dest_exists = path_exists(dir); |
55892d23 | 1017 | if (dest_exists && !is_empty_dir(dir)) |
e84d7b74 ÆAB |
1018 | die(_("destination path '%s' already exists and is not " |
1019 | "an empty directory."), dir); | |
8434c2f1 | 1020 | |
8434c2f1 DB |
1021 | strbuf_addf(&reflog_msg, "clone: from %s", repo); |
1022 | ||
1023 | if (option_bare) | |
1024 | work_tree = NULL; | |
1025 | else { | |
1026 | work_tree = getenv("GIT_WORK_TREE"); | |
6c020421 | 1027 | if (work_tree && path_exists(work_tree)) |
e84d7b74 | 1028 | die(_("working tree '%s' already exists."), work_tree); |
8434c2f1 DB |
1029 | } |
1030 | ||
1031 | if (option_bare || work_tree) | |
1032 | git_dir = xstrdup(dir); | |
1033 | else { | |
1034 | work_tree = dir; | |
4e2d094d | 1035 | git_dir = mkpathdup("%s/.git", dir); |
8434c2f1 DB |
1036 | } |
1037 | ||
ee0e3872 JK |
1038 | atexit(remove_junk); |
1039 | sigchain_push_common(remove_junk_on_signal); | |
1040 | ||
8434c2f1 | 1041 | if (!option_bare) { |
8e21d63b | 1042 | if (safe_create_leading_directories_const(work_tree) < 0) |
e84d7b74 | 1043 | die_errno(_("could not create leading directories of '%s'"), |
d824cbba | 1044 | work_tree); |
d45420c1 JK |
1045 | if (dest_exists) |
1046 | junk_work_tree_flags |= REMOVE_DIR_KEEP_TOPLEVEL; | |
1047 | else if (mkdir(work_tree, 0777)) | |
16eff6c0 | 1048 | die_errno(_("could not create work tree dir '%s'"), |
d824cbba | 1049 | work_tree); |
ee0e3872 | 1050 | junk_work_tree = work_tree; |
8434c2f1 DB |
1051 | set_git_work_tree(work_tree); |
1052 | } | |
8434c2f1 | 1053 | |
d45420c1 | 1054 | if (real_git_dir) { |
6c020421 | 1055 | if (path_exists(real_git_dir)) |
d45420c1 JK |
1056 | junk_git_dir_flags |= REMOVE_DIR_KEEP_TOPLEVEL; |
1057 | junk_git_dir = real_git_dir; | |
1058 | } else { | |
1059 | if (dest_exists) | |
1060 | junk_git_dir_flags |= REMOVE_DIR_KEEP_TOPLEVEL; | |
1061 | junk_git_dir = git_dir; | |
1062 | } | |
8e21d63b | 1063 | if (safe_create_leading_directories_const(git_dir) < 0) |
e84d7b74 | 1064 | die(_("could not create leading directories of '%s'"), git_dir); |
b57fb80a | 1065 | |
3781fcce ÆAB |
1066 | if (0 <= option_verbosity) { |
1067 | if (option_bare) | |
68b939b2 | 1068 | fprintf(stderr, _("Cloning into bare repository '%s'...\n"), dir); |
3781fcce | 1069 | else |
68b939b2 | 1070 | fprintf(stderr, _("Cloning into '%s'...\n"), dir); |
3781fcce | 1071 | } |
31224cbd | 1072 | |
bb62e0a9 BW |
1073 | if (option_recurse_submodules.nr > 0) { |
1074 | struct string_list_item *item; | |
1075 | struct strbuf sb = STRBUF_INIT; | |
1076 | ||
1077 | /* remove duplicates */ | |
1078 | string_list_sort(&option_recurse_submodules); | |
1079 | string_list_remove_duplicates(&option_recurse_submodules, 0); | |
1080 | ||
1081 | /* | |
1082 | * NEEDSWORK: In a multi-working-tree world, this needs to be | |
1083 | * set in the per-worktree config. | |
1084 | */ | |
1085 | for_each_string_list_item(item, &option_recurse_submodules) { | |
1086 | strbuf_addf(&sb, "submodule.active=%s", | |
1087 | item->string); | |
1088 | string_list_append(&option_config, | |
1089 | strbuf_detach(&sb, NULL)); | |
1090 | } | |
1091 | ||
31224cbd SB |
1092 | if (option_required_reference.nr && |
1093 | option_optional_reference.nr) | |
1094 | die(_("clone --recursive is not compatible with " | |
1095 | "both --reference and --reference-if-able")); | |
1096 | else if (option_required_reference.nr) { | |
1097 | string_list_append(&option_config, | |
1098 | "submodule.alternateLocation=superproject"); | |
1099 | string_list_append(&option_config, | |
1100 | "submodule.alternateErrorStrategy=die"); | |
1101 | } else if (option_optional_reference.nr) { | |
1102 | string_list_append(&option_config, | |
1103 | "submodule.alternateLocation=superproject"); | |
1104 | string_list_append(&option_config, | |
1105 | "submodule.alternateErrorStrategy=info"); | |
1106 | } | |
1107 | } | |
1108 | ||
33158701 NTND |
1109 | init_db(git_dir, real_git_dir, option_template, INIT_DB_QUIET); |
1110 | ||
1111 | if (real_git_dir) | |
1112 | git_dir = real_git_dir; | |
1113 | ||
84054f79 | 1114 | write_config(&option_config); |
8434c2f1 | 1115 | |
9bd81e42 | 1116 | git_config(git_default_config, NULL); |
8434c2f1 DB |
1117 | |
1118 | if (option_bare) { | |
bc699afc JS |
1119 | if (option_mirror) |
1120 | src_ref_prefix = "refs/"; | |
b5ff37ac | 1121 | strbuf_addstr(&branch_top, src_ref_prefix); |
8434c2f1 DB |
1122 | |
1123 | git_config_set("core.bare", "true"); | |
1124 | } else { | |
b5ff37ac | 1125 | strbuf_addf(&branch_top, "refs/remotes/%s/", option_origin); |
bc699afc | 1126 | } |
8434c2f1 | 1127 | |
df61c889 SR |
1128 | strbuf_addf(&key, "remote.%s.url", option_origin); |
1129 | git_config_set(key.buf, repo); | |
1130 | strbuf_reset(&key); | |
1131 | ||
0dab2468 ÆAB |
1132 | if (option_no_tags) { |
1133 | strbuf_addf(&key, "remote.%s.tagOpt", option_origin); | |
1134 | git_config_set(key.buf, "--no-tags"); | |
1135 | strbuf_reset(&key); | |
1136 | } | |
1137 | ||
f7415b4d | 1138 | if (option_required_reference.nr || option_optional_reference.nr) |
dbc92b07 | 1139 | setup_reference(); |
766ac6a6 | 1140 | |
47dbf10d | 1141 | if (option_sparse_checkout && git_sparse_checkout_init(dir)) |
d89f09c8 DS |
1142 | return 1; |
1143 | ||
515be833 | 1144 | remote = remote_get(option_origin); |
689f0396 | 1145 | |
3e42cb3b SG |
1146 | strbuf_addf(&default_refspec, "+%s*:%s*", src_ref_prefix, |
1147 | branch_top.buf); | |
515be833 | 1148 | refspec_append(&remote->fetch, default_refspec.buf); |
8434c2f1 | 1149 | |
6f48d39f | 1150 | transport = transport_get(remote, remote->url[0]); |
822f0c4f | 1151 | transport_set_verbosity(transport, option_verbosity, option_progress); |
c915f11e | 1152 | transport->family = family; |
822f0c4f | 1153 | |
f38aa83f MB |
1154 | path = get_repo_path(remote->url[0], &is_bundle); |
1155 | is_local = option_local != 0 && path && !is_bundle; | |
1156 | if (is_local) { | |
1157 | if (option_depth) | |
1158 | warning(_("--depth is ignored in local clones; use file:// instead.")); | |
994c2aaf NTND |
1159 | if (option_since) |
1160 | warning(_("--shallow-since is ignored in local clones; use file:// instead.")); | |
859e5df9 NTND |
1161 | if (option_not.nr) |
1162 | warning(_("--shallow-exclude is ignored in local clones; use file:// instead.")); | |
548719fb JT |
1163 | if (filter_options.choice) |
1164 | warning(_("--filter is ignored in local clones; use file:// instead.")); | |
f38aa83f MB |
1165 | if (!access(mkpath("%s/shallow", path), F_OK)) { |
1166 | if (option_local > 0) | |
1167 | warning(_("source repository is shallow, ignoring --local")); | |
1168 | is_local = 0; | |
1169 | } | |
1170 | } | |
1171 | if (option_local > 0 && !is_local) | |
1172 | warning(_("--local is ignored")); | |
beea4152 | 1173 | transport->cloning = 1; |
8434c2f1 | 1174 | |
643f918d | 1175 | transport_set_option(transport, TRANS_OPT_KEEP, "yes"); |
8434c2f1 | 1176 | |
643f918d JK |
1177 | if (option_depth) |
1178 | transport_set_option(transport, TRANS_OPT_DEPTH, | |
1179 | option_depth); | |
994c2aaf NTND |
1180 | if (option_since) |
1181 | transport_set_option(transport, TRANS_OPT_DEEPEN_SINCE, | |
1182 | option_since); | |
859e5df9 NTND |
1183 | if (option_not.nr) |
1184 | transport_set_option(transport, TRANS_OPT_DEEPEN_NOT, | |
1185 | (const char *)&option_not); | |
643f918d JK |
1186 | if (option_single_branch) |
1187 | transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, "1"); | |
8434c2f1 | 1188 | |
643f918d JK |
1189 | if (option_upload_pack) |
1190 | transport_set_option(transport, TRANS_OPT_UPLOADPACK, | |
1191 | option_upload_pack); | |
c6807a40 | 1192 | |
6e983059 JT |
1193 | if (server_options.nr) |
1194 | transport->server_options = &server_options; | |
1195 | ||
548719fb | 1196 | if (filter_options.choice) { |
cf9ceb5a MD |
1197 | const char *spec = |
1198 | expand_list_objects_filter_spec(&filter_options); | |
548719fb | 1199 | transport_set_option(transport, TRANS_OPT_LIST_OBJECTS_FILTER, |
cf9ceb5a | 1200 | spec); |
548719fb JT |
1201 | transport_set_option(transport, TRANS_OPT_FROM_PROMISOR, "1"); |
1202 | } | |
1203 | ||
1204 | if (transport->smart_options && !deepen && !filter_options.choice) | |
643f918d | 1205 | transport->smart_options->check_self_contained_and_connected = 1; |
8434c2f1 | 1206 | |
402c47d9 BW |
1207 | |
1208 | argv_array_push(&ref_prefixes, "HEAD"); | |
515be833 | 1209 | refspec_ref_prefixes(&remote->fetch, &ref_prefixes); |
402c47d9 BW |
1210 | if (option_branch) |
1211 | expand_ref_prefix(&ref_prefixes, option_branch); | |
1212 | if (!option_no_tags) | |
1213 | argv_array_push(&ref_prefixes, "refs/tags/"); | |
1214 | ||
1215 | refs = transport_get_remote_refs(transport, &ref_prefixes); | |
8434c2f1 | 1216 | |
5b05795c | 1217 | if (refs) { |
515be833 | 1218 | mapped_refs = wanted_peer_refs(refs, &remote->fetch); |
5b05795c MH |
1219 | /* |
1220 | * transport_get_remote_refs() may return refs with null sha-1 | |
1221 | * in mapped_refs (see struct transport->get_refs_list | |
1222 | * comment). In that case we need fetch it early because | |
1223 | * remote_head code below relies on it. | |
1224 | * | |
1225 | * for normal clones, transport_get_remote_refs() should | |
1226 | * return reliable ref set, we can delay cloning until after | |
1227 | * remote HEAD check. | |
1228 | */ | |
1229 | for (ref = refs; ref; ref = ref->next) | |
f4e54d02 | 1230 | if (is_null_oid(&ref->old_oid)) { |
5b05795c MH |
1231 | complete_refs_before_fetch = 0; |
1232 | break; | |
1233 | } | |
90498161 | 1234 | |
5b05795c | 1235 | if (!is_local && !complete_refs_before_fetch) |
e2842b39 | 1236 | transport_fetch_refs(transport, mapped_refs); |
8434c2f1 | 1237 | |
6cb4e6cc | 1238 | remote_head = find_ref_by_name(refs, "HEAD"); |
7a4ee28f JK |
1239 | remote_head_points_at = |
1240 | guess_remote_head(remote_head, mapped_refs, 0); | |
1241 | ||
1242 | if (option_branch) { | |
7a4ee28f | 1243 | our_head_points_at = |
9e585046 | 1244 | find_remote_branch(mapped_refs, option_branch); |
7a4ee28f | 1245 | |
920b691f NTND |
1246 | if (!our_head_points_at) |
1247 | die(_("Remote branch %s not found in upstream %s"), | |
1248 | option_branch, option_origin); | |
7a4ee28f JK |
1249 | } |
1250 | else | |
1251 | our_head_points_at = remote_head_points_at; | |
86ac7518 SR |
1252 | } |
1253 | else { | |
a3552aba RT |
1254 | if (option_branch) |
1255 | die(_("Remote branch %s not found in upstream %s"), | |
1256 | option_branch, option_origin); | |
1257 | ||
e84d7b74 | 1258 | warning(_("You appear to have cloned an empty repository.")); |
5b05795c | 1259 | mapped_refs = NULL; |
7a4ee28f JK |
1260 | our_head_points_at = NULL; |
1261 | remote_head_points_at = NULL; | |
86ac7518 SR |
1262 | remote_head = NULL; |
1263 | option_no_checkout = 1; | |
5cd12b85 | 1264 | if (!option_bare) |
a9f2c136 | 1265 | install_branch_config(0, "master", option_origin, |
5cd12b85 | 1266 | "refs/heads/master"); |
86ac7518 | 1267 | } |
8434c2f1 | 1268 | |
31b808a0 RT |
1269 | write_refspec_config(src_ref_prefix, our_head_points_at, |
1270 | remote_head_points_at, &branch_top); | |
1271 | ||
548719fb | 1272 | if (filter_options.choice) |
1c4a9f91 | 1273 | partial_clone_register(option_origin, &filter_options); |
548719fb | 1274 | |
6f48d39f NTND |
1275 | if (is_local) |
1276 | clone_local(path, git_dir); | |
90498161 | 1277 | else if (refs && complete_refs_before_fetch) |
e2842b39 | 1278 | transport_fetch_refs(transport, mapped_refs); |
8434c2f1 | 1279 | |
960b7d1c | 1280 | update_remote_refs(refs, mapped_refs, remote_head_points_at, |
548719fb | 1281 | branch_top.buf, reflog_msg.buf, transport, |
dfa33a29 | 1282 | !is_local, filter_options.choice); |
8434c2f1 | 1283 | |
f034d354 | 1284 | update_head(our_head_points_at, remote_head, reflog_msg.buf); |
1db4a75c | 1285 | |
72c5f883 JK |
1286 | /* |
1287 | * We want to show progress for recursive submodule clones iff | |
1288 | * we did so for the main clone. But only the transport knows | |
1289 | * the final decision for this flag, so we need to rescue the value | |
1290 | * before we free the transport. | |
1291 | */ | |
1292 | submodule_progress = transport->progress; | |
1293 | ||
6f48d39f NTND |
1294 | transport_unlock_pack(transport); |
1295 | transport_disconnect(transport); | |
1db4a75c | 1296 | |
786b150c | 1297 | if (option_dissociate) { |
2d511cfc | 1298 | close_object_store(the_repository->objects); |
fb1d6dab | 1299 | dissociate_from_references(); |
786b150c | 1300 | } |
fb1d6dab | 1301 | |
d3b34622 | 1302 | junk_mode = JUNK_LEAVE_REPO; |
72c5f883 | 1303 | err = checkout(submodule_progress); |
8434c2f1 DB |
1304 | |
1305 | strbuf_release(&reflog_msg); | |
b5ff37ac MV |
1306 | strbuf_release(&branch_top); |
1307 | strbuf_release(&key); | |
3e42cb3b | 1308 | strbuf_release(&default_refspec); |
d3b34622 | 1309 | junk_mode = JUNK_LEAVE_ALL; |
50b67732 | 1310 | |
402c47d9 | 1311 | argv_array_clear(&ref_prefixes); |
dfa7a6c5 | 1312 | return err; |
8434c2f1 | 1313 | } |