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 *ps_matched = NULL;
26 parse_pathspec(pathspec, 0,
27 PATHSPEC_PREFER_FULL |
28 PATHSPEC_STRIP_SUBMODULE_SLASH_CHEAP,
32 ps_matched = xcalloc(pathspec->nr, 1);
35 die(_("index file corrupt"));
37 for (i = 0; i < active_nr; i++) {
38 const struct cache_entry *ce = active_cache[i];
40 if (!match_pathspec(pathspec, ce->name, ce_namelen(ce),
42 !S_ISGITLINK(ce->ce_mode))
45 ALLOC_GROW(list->entries, list->nr + 1, list->alloc);
46 list->entries[list->nr++] = ce;
47 while (i + 1 < active_nr &&
48 !strcmp(ce->name, active_cache[i + 1]->name))
50 * Skip entries with the same name in different stages
51 * to make sure an entry is returned only once.
56 if (ps_matched && report_path_error(ps_matched, pathspec, prefix))
64 static int module_list(int argc, const char **argv, const char *prefix)
67 struct pathspec pathspec;
68 struct module_list list = MODULE_LIST_INIT;
70 struct option module_list_options[] = {
71 OPT_STRING(0, "prefix", &prefix,
73 N_("alternative anchor for relative paths")),
77 const char *const git_submodule_helper_usage[] = {
78 N_("git submodule--helper list [--prefix=<path>] [<path>...]"),
82 argc = parse_options(argc, argv, prefix, module_list_options,
83 git_submodule_helper_usage, 0);
85 if (module_list_compute(argc, argv, prefix, &pathspec, &list) < 0) {
86 printf("#unmatched\n");
90 for (i = 0; i < list.nr; i++) {
91 const struct cache_entry *ce = list.entries[i];
94 printf("%06o %s U\t", ce->ce_mode, sha1_to_hex(null_sha1));
96 printf("%06o %s %d\t", ce->ce_mode, sha1_to_hex(ce->sha1), ce_stage(ce));
98 utf8_fprintf(stdout, "%s\n", ce->name);
103 static int module_name(int argc, const char **argv, const char *prefix)
105 const struct submodule *sub;
108 usage(_("git submodule--helper name <path>"));
111 sub = submodule_from_path(null_sha1, argv[1]);
114 die(_("no submodule mapping found in .gitmodules for path '%s'"),
117 printf("%s\n", sub->name);
121 static int clone_submodule(const char *path, const char *gitdir, const char *url,
122 const char *depth, const char *reference, int quiet)
124 struct child_process cp;
125 child_process_init(&cp);
127 argv_array_push(&cp.args, "clone");
128 argv_array_push(&cp.args, "--no-checkout");
130 argv_array_push(&cp.args, "--quiet");
132 argv_array_pushl(&cp.args, "--depth", depth, NULL);
133 if (reference && *reference)
134 argv_array_pushl(&cp.args, "--reference", reference, NULL);
135 if (gitdir && *gitdir)
136 argv_array_pushl(&cp.args, "--separate-git-dir", gitdir, NULL);
138 argv_array_push(&cp.args, url);
139 argv_array_push(&cp.args, path);
142 cp.env = local_repo_env;
145 return run_command(&cp);
148 static int module_clone(int argc, const char **argv, const char *prefix)
150 const char *name = NULL, *url = NULL;
151 const char *reference = NULL, *depth = NULL;
153 FILE *submodule_dot_git;
154 char *p, *path = NULL, *sm_gitdir;
155 struct strbuf rel_path = STRBUF_INIT;
156 struct strbuf sb = STRBUF_INIT;
158 struct option module_clone_options[] = {
159 OPT_STRING(0, "prefix", &prefix,
161 N_("alternative anchor for relative paths")),
162 OPT_STRING(0, "path", &path,
164 N_("where the new submodule will be cloned to")),
165 OPT_STRING(0, "name", &name,
167 N_("name of the new submodule")),
168 OPT_STRING(0, "url", &url,
170 N_("url where to clone the submodule from")),
171 OPT_STRING(0, "reference", &reference,
173 N_("reference repository")),
174 OPT_STRING(0, "depth", &depth,
176 N_("depth for shallow clones")),
177 OPT__QUIET(&quiet, "Suppress output for cloning a submodule"),
181 const char *const git_submodule_helper_usage[] = {
182 N_("git submodule--helper clone [--prefix=<path>] [--quiet] "
183 "[--reference <repository>] [--name <name>] [--url <url>]"
184 "[--depth <depth>] [--] [<path>...]"),
188 argc = parse_options(argc, argv, prefix, module_clone_options,
189 git_submodule_helper_usage, 0);
192 die(_("submodule--helper: unspecified or empty --path"));
194 strbuf_addf(&sb, "%s/modules/%s", get_git_dir(), name);
195 sm_gitdir = xstrdup(absolute_path(sb.buf));
198 if (!is_absolute_path(path)) {
199 strbuf_addf(&sb, "%s/%s", get_git_work_tree(), path);
200 path = strbuf_detach(&sb, NULL);
202 path = xstrdup(path);
204 if (!file_exists(sm_gitdir)) {
205 if (safe_create_leading_directories_const(sm_gitdir) < 0)
206 die(_("could not create directory '%s'"), sm_gitdir);
207 if (clone_submodule(path, sm_gitdir, url, depth, reference, quiet))
208 die(_("clone of '%s' into submodule path '%s' failed"),
211 if (safe_create_leading_directories_const(path) < 0)
212 die(_("could not create directory '%s'"), path);
213 strbuf_addf(&sb, "%s/index", sm_gitdir);
214 unlink_or_warn(sb.buf);
218 /* Write a .git file in the submodule to redirect to the superproject. */
219 strbuf_addf(&sb, "%s/.git", path);
220 if (safe_create_leading_directories_const(sb.buf) < 0)
221 die(_("could not create leading directories of '%s'"), sb.buf);
222 submodule_dot_git = fopen(sb.buf, "w");
223 if (!submodule_dot_git)
224 die_errno(_("cannot open file '%s'"), sb.buf);
226 fprintf_or_die(submodule_dot_git, "gitdir: %s\n",
227 relative_path(sm_gitdir, path, &rel_path));
228 if (fclose(submodule_dot_git))
229 die(_("could not close file %s"), sb.buf);
231 strbuf_reset(&rel_path);
233 /* Redirect the worktree of the submodule in the superproject's config */
234 p = git_pathdup_submodule(path, "config");
236 die(_("could not get submodule directory for '%s'"), path);
237 git_config_set_in_file(p, "core.worktree",
238 relative_path(path, sm_gitdir, &rel_path));
240 strbuf_release(&rel_path);
249 int (*fn)(int, const char **, const char *);
252 static struct cmd_struct commands[] = {
253 {"list", module_list},
254 {"name", module_name},
255 {"clone", module_clone},
258 int cmd_submodule__helper(int argc, const char **argv, const char *prefix)
262 die(_("fatal: submodule--helper subcommand must be "
263 "called with a subcommand"));
265 for (i = 0; i < ARRAY_SIZE(commands); i++)
266 if (!strcmp(argv[1], commands[i].cmd))
267 return commands[i].fn(argc - 1, argv + 1, prefix);
269 die(_("fatal: '%s' is not a valid submodule--helper "
270 "subcommand"), argv[1]);