3 #include "parse-options.h"
9 #include "submodule-config.h"
10 #include "string-list.h"
11 #include "run-command.h"
14 const struct cache_entry **entries;
17 #define MODULE_LIST_INIT { NULL, 0, 0 }
19 static int module_list_compute(int argc, const char **argv,
21 struct pathspec *pathspec,
22 struct module_list *list)
25 char *max_prefix, *ps_matched = NULL;
27 parse_pathspec(pathspec, 0,
28 PATHSPEC_PREFER_FULL |
29 PATHSPEC_STRIP_SUBMODULE_SLASH_CHEAP,
32 /* Find common prefix for all pathspec's */
33 max_prefix = common_prefix(pathspec);
34 max_prefix_len = max_prefix ? strlen(max_prefix) : 0;
37 ps_matched = xcalloc(pathspec->nr, 1);
40 die(_("index file corrupt"));
42 for (i = 0; i < active_nr; i++) {
43 const struct cache_entry *ce = active_cache[i];
45 if (!S_ISGITLINK(ce->ce_mode) ||
46 !match_pathspec(pathspec, ce->name, ce_namelen(ce),
47 max_prefix_len, ps_matched, 1))
50 ALLOC_GROW(list->entries, list->nr + 1, list->alloc);
51 list->entries[list->nr++] = ce;
52 while (i + 1 < active_nr &&
53 !strcmp(ce->name, active_cache[i + 1]->name))
55 * Skip entries with the same name in different stages
56 * to make sure an entry is returned only once.
62 if (ps_matched && report_path_error(ps_matched, pathspec, prefix))
70 static int module_list(int argc, const char **argv, const char *prefix)
73 struct pathspec pathspec;
74 struct module_list list = MODULE_LIST_INIT;
76 struct option module_list_options[] = {
77 OPT_STRING(0, "prefix", &prefix,
79 N_("alternative anchor for relative paths")),
83 const char *const git_submodule_helper_usage[] = {
84 N_("git submodule--helper list [--prefix=<path>] [<path>...]"),
88 argc = parse_options(argc, argv, prefix, module_list_options,
89 git_submodule_helper_usage, 0);
91 if (module_list_compute(argc, argv, prefix, &pathspec, &list) < 0) {
92 printf("#unmatched\n");
96 for (i = 0; i < list.nr; i++) {
97 const struct cache_entry *ce = list.entries[i];
100 printf("%06o %s U\t", ce->ce_mode, sha1_to_hex(null_sha1));
102 printf("%06o %s %d\t", ce->ce_mode, sha1_to_hex(ce->sha1), ce_stage(ce));
104 utf8_fprintf(stdout, "%s\n", ce->name);
109 static int module_name(int argc, const char **argv, const char *prefix)
111 const struct submodule *sub;
114 usage(_("git submodule--helper name <path>"));
117 sub = submodule_from_path(null_sha1, argv[1]);
120 die(_("no submodule mapping found in .gitmodules for path '%s'"),
123 printf("%s\n", sub->name);
129 * Rules to sanitize configuration variables that are Ok to be passed into
130 * submodule operations from the parent project using "-c". Should only
131 * include keys which are both (a) safe and (b) necessary for proper
134 static int submodule_config_ok(const char *var)
136 if (starts_with(var, "credential."))
141 static int sanitize_submodule_config(const char *var, const char *value, void *data)
143 struct strbuf *out = data;
145 if (submodule_config_ok(var)) {
147 strbuf_addch(out, ' ');
150 sq_quotef(out, "%s=%s", var, value);
152 sq_quote_buf(out, var);
158 static void prepare_submodule_repo_env(struct argv_array *out)
160 const char * const *var;
162 for (var = local_repo_env; *var; var++) {
163 if (!strcmp(*var, CONFIG_DATA_ENVIRONMENT)) {
164 struct strbuf sanitized_config = STRBUF_INIT;
165 git_config_from_parameters(sanitize_submodule_config,
167 argv_array_pushf(out, "%s=%s", *var, sanitized_config.buf);
168 strbuf_release(&sanitized_config);
170 argv_array_push(out, *var);
176 static int clone_submodule(const char *path, const char *gitdir, const char *url,
177 const char *depth, const char *reference, int quiet)
179 struct child_process cp;
180 child_process_init(&cp);
182 argv_array_push(&cp.args, "clone");
183 argv_array_push(&cp.args, "--no-checkout");
185 argv_array_push(&cp.args, "--quiet");
187 argv_array_pushl(&cp.args, "--depth", depth, NULL);
188 if (reference && *reference)
189 argv_array_pushl(&cp.args, "--reference", reference, NULL);
190 if (gitdir && *gitdir)
191 argv_array_pushl(&cp.args, "--separate-git-dir", gitdir, NULL);
193 argv_array_push(&cp.args, url);
194 argv_array_push(&cp.args, path);
197 prepare_submodule_repo_env(&cp.env_array);
200 return run_command(&cp);
203 static int module_clone(int argc, const char **argv, const char *prefix)
205 const char *path = NULL, *name = NULL, *url = NULL;
206 const char *reference = NULL, *depth = NULL;
208 FILE *submodule_dot_git;
209 char *sm_gitdir, *cwd, *p;
210 struct strbuf rel_path = STRBUF_INIT;
211 struct strbuf sb = STRBUF_INIT;
213 struct option module_clone_options[] = {
214 OPT_STRING(0, "prefix", &prefix,
216 N_("alternative anchor for relative paths")),
217 OPT_STRING(0, "path", &path,
219 N_("where the new submodule will be cloned to")),
220 OPT_STRING(0, "name", &name,
222 N_("name of the new submodule")),
223 OPT_STRING(0, "url", &url,
225 N_("url where to clone the submodule from")),
226 OPT_STRING(0, "reference", &reference,
228 N_("reference repository")),
229 OPT_STRING(0, "depth", &depth,
231 N_("depth for shallow clones")),
232 OPT__QUIET(&quiet, "Suppress output for cloning a submodule"),
236 const char *const git_submodule_helper_usage[] = {
237 N_("git submodule--helper clone [--prefix=<path>] [--quiet] "
238 "[--reference <repository>] [--name <name>] [--depth <depth>] "
239 "--url <url> --path <path>"),
243 argc = parse_options(argc, argv, prefix, module_clone_options,
244 git_submodule_helper_usage, 0);
246 if (argc || !url || !path)
247 usage_with_options(git_submodule_helper_usage,
248 module_clone_options);
250 strbuf_addf(&sb, "%s/modules/%s", get_git_dir(), name);
251 sm_gitdir = strbuf_detach(&sb, NULL);
253 if (!file_exists(sm_gitdir)) {
254 if (safe_create_leading_directories_const(sm_gitdir) < 0)
255 die(_("could not create directory '%s'"), sm_gitdir);
256 if (clone_submodule(path, sm_gitdir, url, depth, reference, quiet))
257 die(_("clone of '%s' into submodule path '%s' failed"),
260 if (safe_create_leading_directories_const(path) < 0)
261 die(_("could not create directory '%s'"), path);
262 strbuf_addf(&sb, "%s/index", sm_gitdir);
263 unlink_or_warn(sb.buf);
267 /* Write a .git file in the submodule to redirect to the superproject. */
268 if (safe_create_leading_directories_const(path) < 0)
269 die(_("could not create directory '%s'"), path);
272 strbuf_addf(&sb, "%s/.git", path);
274 strbuf_addstr(&sb, ".git");
276 if (safe_create_leading_directories_const(sb.buf) < 0)
277 die(_("could not create leading directories of '%s'"), sb.buf);
278 submodule_dot_git = fopen(sb.buf, "w");
279 if (!submodule_dot_git)
280 die_errno(_("cannot open file '%s'"), sb.buf);
282 fprintf(submodule_dot_git, "gitdir: %s\n",
283 relative_path(sm_gitdir, path, &rel_path));
284 if (fclose(submodule_dot_git))
285 die(_("could not close file %s"), sb.buf);
287 strbuf_reset(&rel_path);
290 /* Redirect the worktree of the submodule in the superproject's config */
291 if (!is_absolute_path(sm_gitdir)) {
292 strbuf_addf(&sb, "%s/%s", cwd, sm_gitdir);
294 sm_gitdir = strbuf_detach(&sb, NULL);
297 strbuf_addf(&sb, "%s/%s", cwd, path);
298 p = git_pathdup_submodule(path, "config");
300 die(_("could not get submodule directory for '%s'"), path);
301 git_config_set_in_file(p, "core.worktree",
302 relative_path(sb.buf, sm_gitdir, &rel_path));
304 strbuf_release(&rel_path);
311 static int module_sanitize_config(int argc, const char **argv, const char *prefix)
313 struct strbuf sanitized_config = STRBUF_INIT;
316 usage(_("git submodule--helper sanitize-config"));
318 git_config_from_parameters(sanitize_submodule_config, &sanitized_config);
319 if (sanitized_config.len)
320 printf("%s\n", sanitized_config.buf);
322 strbuf_release(&sanitized_config);
329 int (*fn)(int, const char **, const char *);
332 static struct cmd_struct commands[] = {
333 {"list", module_list},
334 {"name", module_name},
335 {"clone", module_clone},
336 {"sanitize-config", module_sanitize_config},
339 int cmd_submodule__helper(int argc, const char **argv, const char *prefix)
343 die(_("fatal: submodule--helper subcommand must be "
344 "called with a subcommand"));
346 for (i = 0; i < ARRAY_SIZE(commands); i++)
347 if (!strcmp(argv[1], commands[i].cmd))
348 return commands[i].fn(argc - 1, argv + 1, prefix);
350 die(_("fatal: '%s' is not a valid submodule--helper "
351 "subcommand"), argv[1]);