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-rw-r--r--builtin/submodule--helper.c2800
1 files changed, 2800 insertions, 0 deletions
diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
new file mode 100644
index 0000000..c2bd882
--- /dev/null
+++ b/builtin/submodule--helper.c
@@ -0,0 +1,2800 @@
+#define USE_THE_INDEX_COMPATIBILITY_MACROS
+#include "builtin.h"
+#include "repository.h"
+#include "cache.h"
+#include "config.h"
+#include "parse-options.h"
+#include "quote.h"
+#include "pathspec.h"
+#include "dir.h"
+#include "submodule.h"
+#include "submodule-config.h"
+#include "string-list.h"
+#include "run-command.h"
+#include "remote.h"
+#include "refs.h"
+#include "refspec.h"
+#include "connect.h"
+#include "revision.h"
+#include "diffcore.h"
+#include "diff.h"
+#include "object-store.h"
+#include "dir.h"
+#include "advice.h"
+
+#define OPT_QUIET (1 << 0)
+#define OPT_CACHED (1 << 1)
+#define OPT_RECURSIVE (1 << 2)
+#define OPT_FORCE (1 << 3)
+
+typedef void (*each_submodule_fn)(const struct cache_entry *list_item,
+ void *cb_data);
+
+static char *get_default_remote(void)
+{
+ char *dest = NULL, *ret;
+ struct strbuf sb = STRBUF_INIT;
+ const char *refname = resolve_ref_unsafe("HEAD", 0, NULL, NULL);
+
+ if (!refname)
+ die(_("No such ref: %s"), "HEAD");
+
+ /* detached HEAD */
+ if (!strcmp(refname, "HEAD"))
+ return xstrdup("origin");
+
+ if (!skip_prefix(refname, "refs/heads/", &refname))
+ die(_("Expecting a full ref name, got %s"), refname);
+
+ strbuf_addf(&sb, "branch.%s.remote", refname);
+ if (git_config_get_string(sb.buf, &dest))
+ ret = xstrdup("origin");
+ else
+ ret = dest;
+
+ strbuf_release(&sb);
+ return ret;
+}
+
+static int print_default_remote(int argc, const char **argv, const char *prefix)
+{
+ char *remote;
+
+ if (argc != 1)
+ die(_("submodule--helper print-default-remote takes no arguments"));
+
+ remote = get_default_remote();
+ if (remote)
+ printf("%s\n", remote);
+
+ free(remote);
+ return 0;
+}
+
+static int starts_with_dot_slash(const char *str)
+{
+ return str[0] == '.' && is_dir_sep(str[1]);
+}
+
+static int starts_with_dot_dot_slash(const char *str)
+{
+ return str[0] == '.' && str[1] == '.' && is_dir_sep(str[2]);
+}
+
+/*
+ * Returns 1 if it was the last chop before ':'.
+ */
+static int chop_last_dir(char **remoteurl, int is_relative)
+{
+ char *rfind = find_last_dir_sep(*remoteurl);
+ if (rfind) {
+ *rfind = '\0';
+ return 0;
+ }
+
+ rfind = strrchr(*remoteurl, ':');
+ if (rfind) {
+ *rfind = '\0';
+ return 1;
+ }
+
+ if (is_relative || !strcmp(".", *remoteurl))
+ die(_("cannot strip one component off url '%s'"),
+ *remoteurl);
+
+ free(*remoteurl);
+ *remoteurl = xstrdup(".");
+ return 0;
+}
+
+/*
+ * The `url` argument is the URL that navigates to the submodule origin
+ * repo. When relative, this URL is relative to the superproject origin
+ * URL repo. The `up_path` argument, if specified, is the relative
+ * path that navigates from the submodule working tree to the superproject
+ * working tree. Returns the origin URL of the submodule.
+ *
+ * Return either an absolute URL or filesystem path (if the superproject
+ * origin URL is an absolute URL or filesystem path, respectively) or a
+ * relative file system path (if the superproject origin URL is a relative
+ * file system path).
+ *
+ * When the output is a relative file system path, the path is either
+ * relative to the submodule working tree, if up_path is specified, or to
+ * the superproject working tree otherwise.
+ *
+ * NEEDSWORK: This works incorrectly on the domain and protocol part.
+ * remote_url url outcome expectation
+ * http://a.com/b ../c http://a.com/c as is
+ * http://a.com/b/ ../c http://a.com/c same as previous line, but
+ * ignore trailing slash in url
+ * http://a.com/b ../../c http://c error out
+ * http://a.com/b ../../../c http:/c error out
+ * http://a.com/b ../../../../c http:c error out
+ * http://a.com/b ../../../../../c .:c error out
+ * NEEDSWORK: Given how chop_last_dir() works, this function is broken
+ * when a local part has a colon in its path component, too.
+ */
+static char *relative_url(const char *remote_url,
+ const char *url,
+ const char *up_path)
+{
+ int is_relative = 0;
+ int colonsep = 0;
+ char *out;
+ char *remoteurl = xstrdup(remote_url);
+ struct strbuf sb = STRBUF_INIT;
+ size_t len = strlen(remoteurl);
+
+ if (is_dir_sep(remoteurl[len-1]))
+ remoteurl[len-1] = '\0';
+
+ if (!url_is_local_not_ssh(remoteurl) || is_absolute_path(remoteurl))
+ is_relative = 0;
+ else {
+ is_relative = 1;
+ /*
+ * Prepend a './' to ensure all relative
+ * remoteurls start with './' or '../'
+ */
+ if (!starts_with_dot_slash(remoteurl) &&
+ !starts_with_dot_dot_slash(remoteurl)) {
+ strbuf_reset(&sb);
+ strbuf_addf(&sb, "./%s", remoteurl);
+ free(remoteurl);
+ remoteurl = strbuf_detach(&sb, NULL);
+ }
+ }
+ /*
+ * When the url starts with '../', remove that and the
+ * last directory in remoteurl.
+ */
+ while (url) {
+ if (starts_with_dot_dot_slash(url)) {
+ url += 3;
+ colonsep |= chop_last_dir(&remoteurl, is_relative);
+ } else if (starts_with_dot_slash(url))
+ url += 2;
+ else
+ break;
+ }
+ strbuf_reset(&sb);
+ strbuf_addf(&sb, "%s%s%s", remoteurl, colonsep ? ":" : "/", url);
+ if (ends_with(url, "/"))
+ strbuf_setlen(&sb, sb.len - 1);
+ free(remoteurl);
+
+ if (starts_with_dot_slash(sb.buf))
+ out = xstrdup(sb.buf + 2);
+ else
+ out = xstrdup(sb.buf);
+ strbuf_reset(&sb);
+
+ if (!up_path || !is_relative)
+ return out;
+
+ strbuf_addf(&sb, "%s%s", up_path, out);
+ free(out);
+ return strbuf_detach(&sb, NULL);
+}
+
+static int resolve_relative_url(int argc, const char **argv, const char *prefix)
+{
+ char *remoteurl = NULL;
+ char *remote = get_default_remote();
+ const char *up_path = NULL;
+ char *res;
+ const char *url;
+ struct strbuf sb = STRBUF_INIT;
+
+ if (argc != 2 && argc != 3)
+ die("resolve-relative-url only accepts one or two arguments");
+
+ url = argv[1];
+ strbuf_addf(&sb, "remote.%s.url", remote);
+ free(remote);
+
+ if (git_config_get_string(sb.buf, &remoteurl))
+ /* the repository is its own authoritative upstream */
+ remoteurl = xgetcwd();
+
+ if (argc == 3)
+ up_path = argv[2];
+
+ res = relative_url(remoteurl, url, up_path);
+ puts(res);
+ free(res);
+ free(remoteurl);
+ return 0;
+}
+
+static int resolve_relative_url_test(int argc, const char **argv, const char *prefix)
+{
+ char *remoteurl, *res;
+ const char *up_path, *url;
+
+ if (argc != 4)
+ die("resolve-relative-url-test only accepts three arguments: <up_path> <remoteurl> <url>");
+
+ up_path = argv[1];
+ remoteurl = xstrdup(argv[2]);
+ url = argv[3];
+
+ if (!strcmp(up_path, "(null)"))
+ up_path = NULL;
+
+ res = relative_url(remoteurl, url, up_path);
+ puts(res);
+ free(res);
+ free(remoteurl);
+ return 0;
+}
+
+/* the result should be freed by the caller. */
+static char *get_submodule_displaypath(const char *path, const char *prefix)
+{
+ const char *super_prefix = get_super_prefix();
+
+ if (prefix && super_prefix) {
+ BUG("cannot have prefix '%s' and superprefix '%s'",
+ prefix, super_prefix);
+ } else if (prefix) {
+ struct strbuf sb = STRBUF_INIT;
+ char *displaypath = xstrdup(relative_path(path, prefix, &sb));
+ strbuf_release(&sb);
+ return displaypath;
+ } else if (super_prefix) {
+ return xstrfmt("%s%s", super_prefix, path);
+ } else {
+ return xstrdup(path);
+ }
+}
+
+static char *compute_rev_name(const char *sub_path, const char* object_id)
+{
+ struct strbuf sb = STRBUF_INIT;
+ const char ***d;
+
+ static const char *describe_bare[] = { NULL };
+
+ static const char *describe_tags[] = { "--tags", NULL };
+
+ static const char *describe_contains[] = { "--contains", NULL };
+
+ static const char *describe_all_always[] = { "--all", "--always", NULL };
+
+ static const char **describe_argv[] = { describe_bare, describe_tags,
+ describe_contains,
+ describe_all_always, NULL };
+
+ for (d = describe_argv; *d; d++) {
+ struct child_process cp = CHILD_PROCESS_INIT;
+ prepare_submodule_repo_env(&cp.env_array);
+ cp.dir = sub_path;
+ cp.git_cmd = 1;
+ cp.no_stderr = 1;
+
+ strvec_push(&cp.args, "describe");
+ strvec_pushv(&cp.args, *d);
+ strvec_push(&cp.args, object_id);
+
+ if (!capture_command(&cp, &sb, 0)) {
+ strbuf_strip_suffix(&sb, "\n");
+ return strbuf_detach(&sb, NULL);
+ }
+ }
+
+ strbuf_release(&sb);
+ return NULL;
+}
+
+struct module_list {
+ const struct cache_entry **entries;
+ int alloc, nr;
+};
+#define MODULE_LIST_INIT { NULL, 0, 0 }
+
+static int module_list_compute(int argc, const char **argv,
+ const char *prefix,
+ struct pathspec *pathspec,
+ struct module_list *list)
+{
+ int i, result = 0;
+ char *ps_matched = NULL;
+ parse_pathspec(pathspec, 0,
+ PATHSPEC_PREFER_FULL,
+ prefix, argv);
+
+ if (pathspec->nr)
+ ps_matched = xcalloc(pathspec->nr, 1);
+
+ if (read_cache() < 0)
+ die(_("index file corrupt"));
+
+ for (i = 0; i < active_nr; i++) {
+ const struct cache_entry *ce = active_cache[i];
+
+ if (!match_pathspec(&the_index, pathspec, ce->name, ce_namelen(ce),
+ 0, ps_matched, 1) ||
+ !S_ISGITLINK(ce->ce_mode))
+ continue;
+
+ ALLOC_GROW(list->entries, list->nr + 1, list->alloc);
+ list->entries[list->nr++] = ce;
+ while (i + 1 < active_nr &&
+ !strcmp(ce->name, active_cache[i + 1]->name))
+ /*
+ * Skip entries with the same name in different stages
+ * to make sure an entry is returned only once.
+ */
+ i++;
+ }
+
+ if (ps_matched && report_path_error(ps_matched, pathspec))
+ result = -1;
+
+ free(ps_matched);
+
+ return result;
+}
+
+static void module_list_active(struct module_list *list)
+{
+ int i;
+ struct module_list active_modules = MODULE_LIST_INIT;
+
+ for (i = 0; i < list->nr; i++) {
+ const struct cache_entry *ce = list->entries[i];
+
+ if (!is_submodule_active(the_repository, ce->name))
+ continue;
+
+ ALLOC_GROW(active_modules.entries,
+ active_modules.nr + 1,
+ active_modules.alloc);
+ active_modules.entries[active_modules.nr++] = ce;
+ }
+
+ free(list->entries);
+ *list = active_modules;
+}
+
+static char *get_up_path(const char *path)
+{
+ int i;
+ struct strbuf sb = STRBUF_INIT;
+
+ for (i = count_slashes(path); i; i--)
+ strbuf_addstr(&sb, "../");
+
+ /*
+ * Check if 'path' ends with slash or not
+ * for having the same output for dir/sub_dir
+ * and dir/sub_dir/
+ */
+ if (!is_dir_sep(path[strlen(path) - 1]))
+ strbuf_addstr(&sb, "../");
+
+ return strbuf_detach(&sb, NULL);
+}
+
+static int module_list(int argc, const char **argv, const char *prefix)
+{
+ int i;
+ struct pathspec pathspec;
+ struct module_list list = MODULE_LIST_INIT;
+
+ struct option module_list_options[] = {
+ OPT_STRING(0, "prefix", &prefix,
+ N_("path"),
+ N_("alternative anchor for relative paths")),
+ OPT_END()
+ };
+
+ const char *const git_submodule_helper_usage[] = {
+ N_("git submodule--helper list [--prefix=<path>] [<path>...]"),
+ NULL
+ };
+
+ argc = parse_options(argc, argv, prefix, module_list_options,
+ git_submodule_helper_usage, 0);
+
+ if (module_list_compute(argc, argv, prefix, &pathspec, &list) < 0)
+ return 1;
+
+ for (i = 0; i < list.nr; i++) {
+ const struct cache_entry *ce = list.entries[i];
+
+ if (ce_stage(ce))
+ printf("%06o %s U\t", ce->ce_mode, oid_to_hex(&null_oid));
+ else
+ printf("%06o %s %d\t", ce->ce_mode,
+ oid_to_hex(&ce->oid), ce_stage(ce));
+
+ fprintf(stdout, "%s\n", ce->name);
+ }
+ return 0;
+}
+
+static void for_each_listed_submodule(const struct module_list *list,
+ each_submodule_fn fn, void *cb_data)
+{
+ int i;
+ for (i = 0; i < list->nr; i++)
+ fn(list->entries[i], cb_data);
+}
+
+struct foreach_cb {
+ int argc;
+ const char **argv;
+ const char *prefix;
+ int quiet;
+ int recursive;
+};
+#define FOREACH_CB_INIT { 0 }
+
+static void runcommand_in_submodule_cb(const struct cache_entry *list_item,
+ void *cb_data)
+{
+ struct foreach_cb *info = cb_data;
+ const char *path = list_item->name;
+ const struct object_id *ce_oid = &list_item->oid;
+
+ const struct submodule *sub;
+ struct child_process cp = CHILD_PROCESS_INIT;
+ char *displaypath;
+
+ displaypath = get_submodule_displaypath(path, info->prefix);
+
+ sub = submodule_from_path(the_repository, &null_oid, path);
+
+ if (!sub)
+ die(_("No url found for submodule path '%s' in .gitmodules"),
+ displaypath);
+
+ if (!is_submodule_populated_gently(path, NULL))
+ goto cleanup;
+
+ prepare_submodule_repo_env(&cp.env_array);
+
+ /*
+ * For the purpose of executing <command> in the submodule,
+ * separate shell is used for the purpose of running the
+ * child process.
+ */
+ cp.use_shell = 1;
+ cp.dir = path;
+
+ /*
+ * NEEDSWORK: the command currently has access to the variables $name,
+ * $sm_path, $displaypath, $sha1 and $toplevel only when the command
+ * contains a single argument. This is done for maintaining a faithful
+ * translation from shell script.
+ */
+ if (info->argc == 1) {
+ char *toplevel = xgetcwd();
+ struct strbuf sb = STRBUF_INIT;
+
+ strvec_pushf(&cp.env_array, "name=%s", sub->name);
+ strvec_pushf(&cp.env_array, "sm_path=%s", path);
+ strvec_pushf(&cp.env_array, "displaypath=%s", displaypath);
+ strvec_pushf(&cp.env_array, "sha1=%s",
+ oid_to_hex(ce_oid));
+ strvec_pushf(&cp.env_array, "toplevel=%s", toplevel);
+
+ /*
+ * Since the path variable was accessible from the script
+ * before porting, it is also made available after porting.
+ * The environment variable "PATH" has a very special purpose
+ * on windows. And since environment variables are
+ * case-insensitive in windows, it interferes with the
+ * existing PATH variable. Hence, to avoid that, we expose
+ * path via the args strvec and not via env_array.
+ */
+ sq_quote_buf(&sb, path);
+ strvec_pushf(&cp.args, "path=%s; %s",
+ sb.buf, info->argv[0]);
+ strbuf_release(&sb);
+ free(toplevel);
+ } else {
+ strvec_pushv(&cp.args, info->argv);
+ }
+
+ if (!info->quiet)
+ printf(_("Entering '%s'\n"), displaypath);
+
+ if (info->argv[0] && run_command(&cp))
+ die(_("run_command returned non-zero status for %s\n."),
+ displaypath);
+
+ if (info->recursive) {
+ struct child_process cpr = CHILD_PROCESS_INIT;
+
+ cpr.git_cmd = 1;
+ cpr.dir = path;
+ prepare_submodule_repo_env(&cpr.env_array);
+
+ strvec_pushl(&cpr.args, "--super-prefix", NULL);
+ strvec_pushf(&cpr.args, "%s/", displaypath);
+ strvec_pushl(&cpr.args, "submodule--helper", "foreach", "--recursive",
+ NULL);
+
+ if (info->quiet)
+ strvec_push(&cpr.args, "--quiet");
+
+ strvec_push(&cpr.args, "--");
+ strvec_pushv(&cpr.args, info->argv);
+
+ if (run_command(&cpr))
+ die(_("run_command returned non-zero status while "
+ "recursing in the nested submodules of %s\n."),
+ displaypath);
+ }
+
+cleanup:
+ free(displaypath);
+}
+
+static int module_foreach(int argc, const char **argv, const char *prefix)
+{
+ struct foreach_cb info = FOREACH_CB_INIT;
+ struct pathspec pathspec;
+ struct module_list list = MODULE_LIST_INIT;
+
+ struct option module_foreach_options[] = {
+ OPT__QUIET(&info.quiet, N_("suppress output of entering each submodule command")),
+ OPT_BOOL(0, "recursive", &info.recursive,
+ N_("recurse into nested submodules")),
+ OPT_END()
+ };
+
+ const char *const git_submodule_helper_usage[] = {
+ N_("git submodule--helper foreach [--quiet] [--recursive] [--] <command>"),
+ NULL
+ };
+
+ argc = parse_options(argc, argv, prefix, module_foreach_options,
+ git_submodule_helper_usage, 0);
+
+ if (module_list_compute(0, NULL, prefix, &pathspec, &list) < 0)
+ return 1;
+
+ info.argc = argc;
+ info.argv = argv;
+ info.prefix = prefix;
+
+ for_each_listed_submodule(&list, runcommand_in_submodule_cb, &info);
+
+ return 0;
+}
+
+static char *compute_submodule_clone_url(const char *rel_url)
+{
+ char *remoteurl, *relurl;
+ char *remote = get_default_remote();
+ struct strbuf remotesb = STRBUF_INIT;
+
+ strbuf_addf(&remotesb, "remote.%s.url", remote);
+ if (git_config_get_string(remotesb.buf, &remoteurl)) {
+ warning(_("could not look up configuration '%s'. Assuming this repository is its own authoritative upstream."), remotesb.buf);
+ remoteurl = xgetcwd();
+ }
+ relurl = relative_url(remoteurl, rel_url, NULL);
+
+ free(remote);
+ free(remoteurl);
+ strbuf_release(&remotesb);
+
+ return relurl;
+}
+
+struct init_cb {
+ const char *prefix;
+ unsigned int flags;
+};
+#define INIT_CB_INIT { NULL, 0 }
+
+static void init_submodule(const char *path, const char *prefix,
+ unsigned int flags)
+{
+ const struct submodule *sub;
+ struct strbuf sb = STRBUF_INIT;
+ char *upd = NULL, *url = NULL, *displaypath;
+
+ displaypath = get_submodule_displaypath(path, prefix);
+
+ sub = submodule_from_path(the_repository, &null_oid, path);
+
+ if (!sub)
+ die(_("No url found for submodule path '%s' in .gitmodules"),
+ displaypath);
+
+ /*
+ * NEEDSWORK: In a multi-working-tree world, this needs to be
+ * set in the per-worktree config.
+ *
+ * Set active flag for the submodule being initialized
+ */
+ if (!is_submodule_active(the_repository, path)) {
+ strbuf_addf(&sb, "submodule.%s.active", sub->name);
+ git_config_set_gently(sb.buf, "true");
+ strbuf_reset(&sb);
+ }
+
+ /*
+ * Copy url setting when it is not set yet.
+ * To look up the url in .git/config, we must not fall back to
+ * .gitmodules, so look it up directly.
+ */
+ strbuf_addf(&sb, "submodule.%s.url", sub->name);
+ if (git_config_get_string(sb.buf, &url)) {
+ if (!sub->url)
+ die(_("No url found for submodule path '%s' in .gitmodules"),
+ displaypath);
+
+ url = xstrdup(sub->url);
+
+ /* Possibly a url relative to parent */
+ if (starts_with_dot_dot_slash(url) ||
+ starts_with_dot_slash(url)) {
+ char *oldurl = url;
+ url = compute_submodule_clone_url(oldurl);
+ free(oldurl);
+ }
+
+ if (git_config_set_gently(sb.buf, url))
+ die(_("Failed to register url for submodule path '%s'"),
+ displaypath);
+ if (!(flags & OPT_QUIET))
+ fprintf(stderr,
+ _("Submodule '%s' (%s) registered for path '%s'\n"),
+ sub->name, url, displaypath);
+ }
+ strbuf_reset(&sb);
+
+ /* Copy "update" setting when it is not set yet */
+ strbuf_addf(&sb, "submodule.%s.update", sub->name);
+ if (git_config_get_string(sb.buf, &upd) &&
+ sub->update_strategy.type != SM_UPDATE_UNSPECIFIED) {
+ if (sub->update_strategy.type == SM_UPDATE_COMMAND) {
+ fprintf(stderr, _("warning: command update mode suggested for submodule '%s'\n"),
+ sub->name);
+ upd = xstrdup("none");
+ } else
+ upd = xstrdup(submodule_strategy_to_string(&sub->update_strategy));
+
+ if (git_config_set_gently(sb.buf, upd))
+ die(_("Failed to register update mode for submodule path '%s'"), displaypath);
+ }
+ strbuf_release(&sb);
+ free(displaypath);
+ free(url);
+ free(upd);
+}
+
+static void init_submodule_cb(const struct cache_entry *list_item, void *cb_data)
+{
+ struct init_cb *info = cb_data;
+ init_submodule(list_item->name, info->prefix, info->flags);
+}
+
+static int module_init(int argc, const char **argv, const char *prefix)
+{
+ struct init_cb info = INIT_CB_INIT;
+ struct pathspec pathspec;
+ struct module_list list = MODULE_LIST_INIT;
+ int quiet = 0;
+
+ struct option module_init_options[] = {
+ OPT__QUIET(&quiet, N_("suppress output for initializing a submodule")),
+ OPT_END()
+ };
+
+ const char *const git_submodule_helper_usage[] = {
+ N_("git submodule--helper init [<options>] [<path>]"),
+ NULL
+ };
+
+ argc = parse_options(argc, argv, prefix, module_init_options,
+ git_submodule_helper_usage, 0);
+
+ if (module_list_compute(argc, argv, prefix, &pathspec, &list) < 0)
+ return 1;
+
+ /*
+ * If there are no path args and submodule.active is set then,
+ * by default, only initialize 'active' modules.
+ */
+ if (!argc && git_config_get_value_multi("submodule.active"))
+ module_list_active(&list);
+
+ info.prefix = prefix;
+ if (quiet)
+ info.flags |= OPT_QUIET;
+
+ for_each_listed_submodule(&list, init_submodule_cb, &info);
+
+ return 0;
+}
+
+struct status_cb {
+ const char *prefix;
+ unsigned int flags;
+};
+#define STATUS_CB_INIT { NULL, 0 }
+
+static void print_status(unsigned int flags, char state, const char *path,
+ const struct object_id *oid, const char *displaypath)
+{
+ if (flags & OPT_QUIET)
+ return;
+
+ printf("%c%s %s", state, oid_to_hex(oid), displaypath);
+
+ if (state == ' ' || state == '+') {
+ const char *name = compute_rev_name(path, oid_to_hex(oid));
+
+ if (name)
+ printf(" (%s)", name);
+ }
+
+ printf("\n");
+}
+
+static int handle_submodule_head_ref(const char *refname,
+ const struct object_id *oid, int flags,
+ void *cb_data)
+{
+ struct object_id *output = cb_data;
+ if (oid)
+ oidcpy(output, oid);
+
+ return 0;
+}
+
+static void status_submodule(const char *path, const struct object_id *ce_oid,
+ unsigned int ce_flags, const char *prefix,
+ unsigned int flags)
+{
+ char *displaypath;
+ struct strvec diff_files_args = STRVEC_INIT;
+ struct rev_info rev;
+ int diff_files_result;
+ struct strbuf buf = STRBUF_INIT;
+ const char *git_dir;
+
+ if (!submodule_from_path(the_repository, &null_oid, path))
+ die(_("no submodule mapping found in .gitmodules for path '%s'"),
+ path);
+
+ displaypath = get_submodule_displaypath(path, prefix);
+
+ if ((CE_STAGEMASK & ce_flags) >> CE_STAGESHIFT) {
+ print_status(flags, 'U', path, &null_oid, displaypath);
+ goto cleanup;
+ }
+
+ strbuf_addf(&buf, "%s/.git", path);
+ git_dir = read_gitfile(buf.buf);
+ if (!git_dir)
+ git_dir = buf.buf;
+
+ if (!is_submodule_active(the_repository, path) ||
+ !is_git_directory(git_dir)) {
+ print_status(flags, '-', path, ce_oid, displaypath);
+ strbuf_release(&buf);
+ goto cleanup;
+ }
+ strbuf_release(&buf);
+
+ strvec_pushl(&diff_files_args, "diff-files",
+ "--ignore-submodules=dirty", "--quiet", "--",
+ path, NULL);
+
+ git_config(git_diff_basic_config, NULL);
+
+ repo_init_revisions(the_repository, &rev, NULL);
+ rev.abbrev = 0;
+ diff_files_args.nr = setup_revisions(diff_files_args.nr,
+ diff_files_args.v,
+ &rev, NULL);
+ diff_files_result = run_diff_files(&rev, 0);
+
+ if (!diff_result_code(&rev.diffopt, diff_files_result)) {
+ print_status(flags, ' ', path, ce_oid,
+ displaypath);
+ } else if (!(flags & OPT_CACHED)) {
+ struct object_id oid;
+ struct ref_store *refs = get_submodule_ref_store(path);
+
+ if (!refs) {
+ print_status(flags, '-', path, ce_oid, displaypath);
+ goto cleanup;
+ }
+ if (refs_head_ref(refs, handle_submodule_head_ref, &oid))
+ die(_("could not resolve HEAD ref inside the "
+ "submodule '%s'"), path);
+
+ print_status(flags, '+', path, &oid, displaypath);
+ } else {
+ print_status(flags, '+', path, ce_oid, displaypath);
+ }
+
+ if (flags & OPT_RECURSIVE) {
+ struct child_process cpr = CHILD_PROCESS_INIT;
+
+ cpr.git_cmd = 1;
+ cpr.dir = path;
+ prepare_submodule_repo_env(&cpr.env_array);
+
+ strvec_push(&cpr.args, "--super-prefix");
+ strvec_pushf(&cpr.args, "%s/", displaypath);
+ strvec_pushl(&cpr.args, "submodule--helper", "status",
+ "--recursive", NULL);
+
+ if (flags & OPT_CACHED)
+ strvec_push(&cpr.args, "--cached");
+
+ if (flags & OPT_QUIET)
+ strvec_push(&cpr.args, "--quiet");
+
+ if (run_command(&cpr))
+ die(_("failed to recurse into submodule '%s'"), path);
+ }
+
+cleanup:
+ strvec_clear(&diff_files_args);
+ free(displaypath);
+}
+
+static void status_submodule_cb(const struct cache_entry *list_item,
+ void *cb_data)
+{
+ struct status_cb *info = cb_data;
+ status_submodule(list_item->name, &list_item->oid, list_item->ce_flags,
+ info->prefix, info->flags);
+}
+
+static int module_status(int argc, const char **argv, const char *prefix)
+{
+ struct status_cb info = STATUS_CB_INIT;
+ struct pathspec pathspec;
+ struct module_list list = MODULE_LIST_INIT;
+ int quiet = 0;
+
+ struct option module_status_options[] = {
+ OPT__QUIET(&quiet, N_("suppress submodule status output")),
+ OPT_BIT(0, "cached", &info.flags, N_("use commit stored in the index instead of the one stored in the submodule HEAD"), OPT_CACHED),
+ OPT_BIT(0, "recursive", &info.flags, N_("recurse into nested submodules"), OPT_RECURSIVE),
+ OPT_END()
+ };
+
+ const char *const git_submodule_helper_usage[] = {
+ N_("git submodule status [--quiet] [--cached] [--recursive] [<path>...]"),
+ NULL
+ };
+
+ argc = parse_options(argc, argv, prefix, module_status_options,
+ git_submodule_helper_usage, 0);
+
+ if (module_list_compute(argc, argv, prefix, &pathspec, &list) < 0)
+ return 1;
+
+ info.prefix = prefix;
+ if (quiet)
+ info.flags |= OPT_QUIET;
+
+ for_each_listed_submodule(&list, status_submodule_cb, &info);
+
+ return 0;
+}
+
+static int module_name(int argc, const char **argv, const char *prefix)
+{
+ const struct submodule *sub;
+
+ if (argc != 2)
+ usage(_("git submodule--helper name <path>"));
+
+ sub = submodule_from_path(the_repository, &null_oid, argv[1]);
+
+ if (!sub)
+ die(_("no submodule mapping found in .gitmodules for path '%s'"),
+ argv[1]);
+
+ printf("%s\n", sub->name);
+
+ return 0;
+}
+
+struct module_cb {
+ unsigned int mod_src;
+ unsigned int mod_dst;
+ struct object_id oid_src;
+ struct object_id oid_dst;
+ char status;
+ const char *sm_path;
+};
+#define MODULE_CB_INIT { 0, 0, NULL, NULL, '\0', NULL }
+
+struct module_cb_list {
+ struct module_cb **entries;
+ int alloc, nr;
+};
+#define MODULE_CB_LIST_INIT { NULL, 0, 0 }
+
+struct summary_cb {
+ int argc;
+ const char **argv;
+ const char *prefix;
+ unsigned int cached: 1;
+ unsigned int for_status: 1;
+ unsigned int files: 1;
+ int summary_limit;
+};
+#define SUMMARY_CB_INIT { 0, NULL, NULL, 0, 0, 0, 0 }
+
+enum diff_cmd {
+ DIFF_INDEX,
+ DIFF_FILES
+};
+
+static char *verify_submodule_committish(const char *sm_path,
+ const char *committish)
+{
+ struct child_process cp_rev_parse = CHILD_PROCESS_INIT;
+ struct strbuf result = STRBUF_INIT;
+
+ cp_rev_parse.git_cmd = 1;
+ cp_rev_parse.dir = sm_path;
+ prepare_submodule_repo_env(&cp_rev_parse.env_array);
+ strvec_pushl(&cp_rev_parse.args, "rev-parse", "-q", "--short", NULL);
+ strvec_pushf(&cp_rev_parse.args, "%s^0", committish);
+ strvec_push(&cp_rev_parse.args, "--");
+
+ if (capture_command(&cp_rev_parse, &result, 0))
+ return NULL;
+
+ strbuf_trim_trailing_newline(&result);
+ return strbuf_detach(&result, NULL);
+}
+
+static void print_submodule_summary(struct summary_cb *info, char *errmsg,
+ int total_commits, const char *displaypath,
+ const char *src_abbrev, const char *dst_abbrev,
+ struct module_cb *p)
+{
+ if (p->status == 'T') {
+ if (S_ISGITLINK(p->mod_dst))
+ printf(_("* %s %s(blob)->%s(submodule)"),
+ displaypath, src_abbrev, dst_abbrev);
+ else
+ printf(_("* %s %s(submodule)->%s(blob)"),
+ displaypath, src_abbrev, dst_abbrev);
+ } else {
+ printf("* %s %s...%s",
+ displaypath, src_abbrev, dst_abbrev);
+ }
+
+ if (total_commits < 0)
+ printf(":\n");
+ else
+ printf(" (%d):\n", total_commits);
+
+ if (errmsg) {
+ printf(_("%s"), errmsg);
+ } else if (total_commits > 0) {
+ struct child_process cp_log = CHILD_PROCESS_INIT;
+
+ cp_log.git_cmd = 1;
+ cp_log.dir = p->sm_path;
+ prepare_submodule_repo_env(&cp_log.env_array);
+ strvec_pushl(&cp_log.args, "log", NULL);
+
+ if (S_ISGITLINK(p->mod_src) && S_ISGITLINK(p->mod_dst)) {
+ if (info->summary_limit > 0)
+ strvec_pushf(&cp_log.args, "-%d",
+ info->summary_limit);
+
+ strvec_pushl(&cp_log.args, "--pretty= %m %s",
+ "--first-parent", NULL);
+ strvec_pushf(&cp_log.args, "%s...%s",
+ src_abbrev, dst_abbrev);
+ } else if (S_ISGITLINK(p->mod_dst)) {
+ strvec_pushl(&cp_log.args, "--pretty= > %s",
+ "-1", dst_abbrev, NULL);
+ } else {
+ strvec_pushl(&cp_log.args, "--pretty= < %s",
+ "-1", src_abbrev, NULL);
+ }
+ run_command(&cp_log);
+ }
+ printf("\n");
+}
+
+static void generate_submodule_summary(struct summary_cb *info,
+ struct module_cb *p)
+{
+ char *displaypath, *src_abbrev = NULL, *dst_abbrev;
+ int missing_src = 0, missing_dst = 0;
+ char *errmsg = NULL;
+ int total_commits = -1;
+
+ if (!info->cached && oideq(&p->oid_dst, &null_oid)) {
+ if (S_ISGITLINK(p->mod_dst)) {
+ struct ref_store *refs = get_submodule_ref_store(p->sm_path);
+ if (refs)
+ refs_head_ref(refs, handle_submodule_head_ref, &p->oid_dst);
+ } else if (S_ISLNK(p->mod_dst) || S_ISREG(p->mod_dst)) {
+ struct stat st;
+ int fd = open(p->sm_path, O_RDONLY);
+
+ if (fd < 0 || fstat(fd, &st) < 0 ||
+ index_fd(&the_index, &p->oid_dst, fd, &st, OBJ_BLOB,
+ p->sm_path, 0))
+ error(_("couldn't hash object from '%s'"), p->sm_path);
+ } else {
+ /* for a submodule removal (mode:0000000), don't warn */
+ if (p->mod_dst)
+ warning(_("unexpected mode %o\n"), p->mod_dst);
+ }
+ }
+
+ if (S_ISGITLINK(p->mod_src)) {
+ if (p->status != 'D')
+ src_abbrev = verify_submodule_committish(p->sm_path,
+ oid_to_hex(&p->oid_src));
+ if (!src_abbrev) {
+ missing_src = 1;
+ /*
+ * As `rev-parse` failed, we fallback to getting
+ * the abbreviated hash using oid_src. We do
+ * this as we might still need the abbreviated
+ * hash in cases like a submodule type change, etc.
+ */
+ src_abbrev = xstrndup(oid_to_hex(&p->oid_src), 7);
+ }
+ } else {
+ /*
+ * The source does not point to a submodule.
+ * So, we fallback to getting the abbreviation using
+ * oid_src as we might still need the abbreviated
+ * hash in cases like submodule add, etc.
+ */
+ src_abbrev = xstrndup(oid_to_hex(&p->oid_src), 7);
+ }
+
+ if (S_ISGITLINK(p->mod_dst)) {
+ dst_abbrev = verify_submodule_committish(p->sm_path,
+ oid_to_hex(&p->oid_dst));
+ if (!dst_abbrev) {
+ missing_dst = 1;
+ /*
+ * As `rev-parse` failed, we fallback to getting
+ * the abbreviated hash using oid_dst. We do
+ * this as we might still need the abbreviated
+ * hash in cases like a submodule type change, etc.
+ */
+ dst_abbrev = xstrndup(oid_to_hex(&p->oid_dst), 7);
+ }
+ } else {
+ /*
+ * The destination does not point to a submodule.
+ * So, we fallback to getting the abbreviation using
+ * oid_dst as we might still need the abbreviated
+ * hash in cases like a submodule removal, etc.
+ */
+ dst_abbrev = xstrndup(oid_to_hex(&p->oid_dst), 7);
+ }
+
+ displaypath = get_submodule_displaypath(p->sm_path, info->prefix);
+
+ if (!missing_src && !missing_dst) {
+ struct child_process cp_rev_list = CHILD_PROCESS_INIT;
+ struct strbuf sb_rev_list = STRBUF_INIT;
+
+ strvec_pushl(&cp_rev_list.args, "rev-list",
+ "--first-parent", "--count", NULL);
+ if (S_ISGITLINK(p->mod_src) && S_ISGITLINK(p->mod_dst))
+ strvec_pushf(&cp_rev_list.args, "%s...%s",
+ src_abbrev, dst_abbrev);
+ else
+ strvec_push(&cp_rev_list.args, S_ISGITLINK(p->mod_src) ?
+ src_abbrev : dst_abbrev);
+ strvec_push(&cp_rev_list.args, "--");
+
+ cp_rev_list.git_cmd = 1;
+ cp_rev_list.dir = p->sm_path;
+ prepare_submodule_repo_env(&cp_rev_list.env_array);
+
+ if (!capture_command(&cp_rev_list, &sb_rev_list, 0))
+ total_commits = atoi(sb_rev_list.buf);
+
+ strbuf_release(&sb_rev_list);
+ } else {
+ /*
+ * Don't give error msg for modification whose dst is not
+ * submodule, i.e., deleted or changed to blob
+ */
+ if (S_ISGITLINK(p->mod_dst)) {
+ struct strbuf errmsg_str = STRBUF_INIT;
+ if (missing_src && missing_dst) {
+ strbuf_addf(&errmsg_str, " Warn: %s doesn't contain commits %s and %s\n",
+ displaypath, oid_to_hex(&p->oid_src),
+ oid_to_hex(&p->oid_dst));
+ } else {
+ strbuf_addf(&errmsg_str, " Warn: %s doesn't contain commit %s\n",
+ displaypath, missing_src ?
+ oid_to_hex(&p->oid_src) :
+ oid_to_hex(&p->oid_dst));
+ }
+ errmsg = strbuf_detach(&errmsg_str, NULL);
+ }
+ }
+
+ print_submodule_summary(info, errmsg, total_commits,
+ displaypath, src_abbrev,
+ dst_abbrev, p);
+
+ free(displaypath);
+ free(src_abbrev);
+ free(dst_abbrev);
+}
+
+static void prepare_submodule_summary(struct summary_cb *info,
+ struct module_cb_list *list)
+{
+ int i;
+ for (i = 0; i < list->nr; i++) {
+ const struct submodule *sub;
+ struct module_cb *p = list->entries[i];
+ struct strbuf sm_gitdir = STRBUF_INIT;
+
+ if (p->status == 'D' || p->status == 'T') {
+ generate_submodule_summary(info, p);
+ continue;
+ }
+
+ if (info->for_status && p->status != 'A' &&
+ (sub = submodule_from_path(the_repository,
+ &null_oid, p->sm_path))) {
+ char *config_key = NULL;
+ const char *value;
+ int ignore_all = 0;
+
+ config_key = xstrfmt("submodule.%s.ignore",
+ sub->name);
+ if (!git_config_get_string_tmp(config_key, &value))
+ ignore_all = !strcmp(value, "all");
+ else if (sub->ignore)
+ ignore_all = !strcmp(sub->ignore, "all");
+
+ free(config_key);
+ if (ignore_all)
+ continue;
+ }
+
+ /* Also show added or modified modules which are checked out */
+ strbuf_addstr(&sm_gitdir, p->sm_path);
+ if (is_nonbare_repository_dir(&sm_gitdir))
+ generate_submodule_summary(info, p);
+ strbuf_release(&sm_gitdir);
+ }
+}
+
+static void submodule_summary_callback(struct diff_queue_struct *q,
+ struct diff_options *options,
+ void *data)
+{
+ int i;
+ struct module_cb_list *list = data;
+ for (i = 0; i < q->nr; i++) {
+ struct diff_filepair *p = q->queue[i];
+ struct module_cb *temp;
+
+ if (!S_ISGITLINK(p->one->mode) && !S_ISGITLINK(p->two->mode))
+ continue;
+ temp = (struct module_cb*)malloc(sizeof(struct module_cb));
+ temp->mod_src = p->one->mode;
+ temp->mod_dst = p->two->mode;
+ temp->oid_src = p->one->oid;
+ temp->oid_dst = p->two->oid;
+ temp->status = p->status;
+ temp->sm_path = xstrdup(p->one->path);
+
+ ALLOC_GROW(list->entries, list->nr + 1, list->alloc);
+ list->entries[list->nr++] = temp;
+ }
+}
+
+static const char *get_diff_cmd(enum diff_cmd diff_cmd)
+{
+ switch (diff_cmd) {
+ case DIFF_INDEX: return "diff-index";
+ case DIFF_FILES: return "diff-files";
+ default: BUG("bad diff_cmd value %d", diff_cmd);
+ }
+}
+
+static int compute_summary_module_list(struct object_id *head_oid,
+ struct summary_cb *info,
+ enum diff_cmd diff_cmd)
+{
+ struct strvec diff_args = STRVEC_INIT;
+ struct rev_info rev;
+ struct module_cb_list list = MODULE_CB_LIST_INIT;
+
+ strvec_push(&diff_args, get_diff_cmd(diff_cmd));
+ if (info->cached)
+ strvec_push(&diff_args, "--cached");
+ strvec_pushl(&diff_args, "--ignore-submodules=dirty", "--raw", NULL);
+ if (head_oid)
+ strvec_push(&diff_args, oid_to_hex(head_oid));
+ strvec_push(&diff_args, "--");
+ if (info->argc)
+ strvec_pushv(&diff_args, info->argv);
+
+ git_config(git_diff_basic_config, NULL);
+ init_revisions(&rev, info->prefix);
+ rev.abbrev = 0;
+ precompose_argv(diff_args.nr, diff_args.v);
+ setup_revisions(diff_args.nr, diff_args.v, &rev, NULL);
+ rev.diffopt.output_format = DIFF_FORMAT_NO_OUTPUT | DIFF_FORMAT_CALLBACK;
+ rev.diffopt.format_callback = submodule_summary_callback;
+ rev.diffopt.format_callback_data = &list;
+
+ if (!info->cached) {
+ if (diff_cmd == DIFF_INDEX)
+ setup_work_tree();
+ if (read_cache_preload(&rev.diffopt.pathspec) < 0) {
+ perror("read_cache_preload");
+ return -1;
+ }
+ } else if (read_cache() < 0) {
+ perror("read_cache");
+ return -1;
+ }
+
+ if (diff_cmd == DIFF_INDEX)
+ run_diff_index(&rev, info->cached);
+ else
+ run_diff_files(&rev, 0);
+ prepare_submodule_summary(info, &list);
+ strvec_clear(&diff_args);
+ return 0;
+}
+
+static int module_summary(int argc, const char **argv, const char *prefix)
+{
+ struct summary_cb info = SUMMARY_CB_INIT;
+ int cached = 0;
+ int for_status = 0;
+ int files = 0;
+ int summary_limit = -1;
+ enum diff_cmd diff_cmd = DIFF_INDEX;
+ struct object_id head_oid;
+ int ret;
+
+ struct option module_summary_options[] = {
+ OPT_BOOL(0, "cached", &cached,
+ N_("use the commit stored in the index instead of the submodule HEAD")),
+ OPT_BOOL(0, "files", &files,
+ N_("to compare the commit in the index with that in the submodule HEAD")),
+ OPT_BOOL(0, "for-status", &for_status,
+ N_("skip submodules with 'ignore_config' value set to 'all'")),
+ OPT_INTEGER('n', "summary-limit", &summary_limit,
+ N_("limit the summary size")),
+ OPT_END()
+ };
+
+ const char *const git_submodule_helper_usage[] = {
+ N_("git submodule--helper summary [<options>] [<commit>] [--] [<path>]"),
+ NULL
+ };
+
+ argc = parse_options(argc, argv, prefix, module_summary_options,
+ git_submodule_helper_usage, 0);
+
+ if (!summary_limit)
+ return 0;
+
+ if (!get_oid(argc ? argv[0] : "HEAD", &head_oid)) {
+ if (argc) {
+ argv++;
+ argc--;
+ }
+ } else if (!argc || !strcmp(argv[0], "HEAD")) {
+ /* before the first commit: compare with an empty tree */
+ oidcpy(&head_oid, the_hash_algo->empty_tree);
+ if (argc) {
+ argv++;
+ argc--;
+ }
+ } else {
+ if (get_oid("HEAD", &head_oid))
+ die(_("could not fetch a revision for HEAD"));
+ }
+
+ if (files) {
+ if (cached)
+ die(_("--cached and --files are mutually exclusive"));
+ diff_cmd = DIFF_FILES;
+ }
+
+ info.argc = argc;
+ info.argv = argv;
+ info.prefix = prefix;
+ info.cached = !!cached;
+ info.files = !!files;
+ info.for_status = !!for_status;
+ info.summary_limit = summary_limit;
+
+ ret = compute_summary_module_list((diff_cmd == DIFF_INDEX) ? &head_oid : NULL,
+ &info, diff_cmd);
+ return ret;
+}
+
+struct sync_cb {
+ const char *prefix;
+ unsigned int flags;
+};
+#define SYNC_CB_INIT { NULL, 0 }
+
+static void sync_submodule(const char *path, const char *prefix,
+ unsigned int flags)
+{
+ const struct submodule *sub;
+ char *remote_key = NULL;
+ char *sub_origin_url, *super_config_url, *displaypath;
+ struct strbuf sb = STRBUF_INIT;
+ struct child_process cp = CHILD_PROCESS_INIT;
+ char *sub_config_path = NULL;
+
+ if (!is_submodule_active(the_repository, path))
+ return;
+
+ sub = submodule_from_path(the_repository, &null_oid, path);
+
+ if (sub && sub->url) {
+ if (starts_with_dot_dot_slash(sub->url) ||
+ starts_with_dot_slash(sub->url)) {
+ char *remote_url, *up_path;
+ char *remote = get_default_remote();
+ strbuf_addf(&sb, "remote.%s.url", remote);
+
+ if (git_config_get_string(sb.buf, &remote_url))
+ remote_url = xgetcwd();
+
+ up_path = get_up_path(path);
+ sub_origin_url = relative_url(remote_url, sub->url, up_path);
+ super_config_url = relative_url(remote_url, sub->url, NULL);
+
+ free(remote);
+ free(up_path);
+ free(remote_url);
+ } else {
+ sub_origin_url = xstrdup(sub->url);
+ super_config_url = xstrdup(sub->url);
+ }
+ } else {
+ sub_origin_url = xstrdup("");
+ super_config_url = xstrdup("");
+ }
+
+ displaypath = get_submodule_displaypath(path, prefix);
+
+ if (!(flags & OPT_QUIET))
+ printf(_("Synchronizing submodule url for '%s'\n"),
+ displaypath);
+
+ strbuf_reset(&sb);
+ strbuf_addf(&sb, "submodule.%s.url", sub->name);
+ if (git_config_set_gently(sb.buf, super_config_url))
+ die(_("failed to register url for submodule path '%s'"),
+ displaypath);
+
+ if (!is_submodule_populated_gently(path, NULL))
+ goto cleanup;
+
+ prepare_submodule_repo_env(&cp.env_array);
+ cp.git_cmd = 1;
+ cp.dir = path;
+ strvec_pushl(&cp.args, "submodule--helper",
+ "print-default-remote", NULL);
+
+ strbuf_reset(&sb);
+ if (capture_command(&cp, &sb, 0))
+ die(_("failed to get the default remote for submodule '%s'"),
+ path);
+
+ strbuf_strip_suffix(&sb, "\n");
+ remote_key = xstrfmt("remote.%s.url", sb.buf);
+
+ strbuf_reset(&sb);
+ submodule_to_gitdir(&sb, path);
+ strbuf_addstr(&sb, "/config");
+
+ if (git_config_set_in_file_gently(sb.buf, remote_key, sub_origin_url))
+ die(_("failed to update remote for submodule '%s'"),
+ path);
+
+ if (flags & OPT_RECURSIVE) {
+ struct child_process cpr = CHILD_PROCESS_INIT;
+
+ cpr.git_cmd = 1;
+ cpr.dir = path;
+ prepare_submodule_repo_env(&cpr.env_array);
+
+ strvec_push(&cpr.args, "--super-prefix");
+ strvec_pushf(&cpr.args, "%s/", displaypath);
+ strvec_pushl(&cpr.args, "submodule--helper", "sync",
+ "--recursive", NULL);
+
+ if (flags & OPT_QUIET)
+ strvec_push(&cpr.args, "--quiet");
+
+ if (run_command(&cpr))
+ die(_("failed to recurse into submodule '%s'"),
+ path);
+ }
+
+cleanup:
+ free(super_config_url);
+ free(sub_origin_url);
+ strbuf_release(&sb);
+ free(remote_key);
+ free(displaypath);
+ free(sub_config_path);
+}
+
+static void sync_submodule_cb(const struct cache_entry *list_item, void *cb_data)
+{
+ struct sync_cb *info = cb_data;
+ sync_submodule(list_item->name, info->prefix, info->flags);
+}
+
+static int module_sync(int argc, const char **argv, const char *prefix)
+{
+ struct sync_cb info = SYNC_CB_INIT;
+ struct pathspec pathspec;
+ struct module_list list = MODULE_LIST_INIT;
+ int quiet = 0;
+ int recursive = 0;
+
+ struct option module_sync_options[] = {
+ OPT__QUIET(&quiet, N_("suppress output of synchronizing submodule url")),
+ OPT_BOOL(0, "recursive", &recursive,
+ N_("recurse into nested submodules")),
+ OPT_END()
+ };
+
+ const char *const git_submodule_helper_usage[] = {
+ N_("git submodule--helper sync [--quiet] [--recursive] [<path>]"),
+ NULL
+ };
+
+ argc = parse_options(argc, argv, prefix, module_sync_options,
+ git_submodule_helper_usage, 0);
+
+ if (module_list_compute(argc, argv, prefix, &pathspec, &list) < 0)
+ return 1;
+
+ info.prefix = prefix;
+ if (quiet)
+ info.flags |= OPT_QUIET;
+ if (recursive)
+ info.flags |= OPT_RECURSIVE;
+
+ for_each_listed_submodule(&list, sync_submodule_cb, &info);
+
+ return 0;
+}
+
+struct deinit_cb {
+ const char *prefix;
+ unsigned int flags;
+};
+#define DEINIT_CB_INIT { NULL, 0 }
+
+static void deinit_submodule(const char *path, const char *prefix,
+ unsigned int flags)
+{
+ const struct submodule *sub;
+ char *displaypath = NULL;
+ struct child_process cp_config = CHILD_PROCESS_INIT;
+ struct strbuf sb_config = STRBUF_INIT;
+ char *sub_git_dir = xstrfmt("%s/.git", path);
+
+ sub = submodule_from_path(the_repository, &null_oid, path);
+
+ if (!sub || !sub->name)
+ goto cleanup;
+
+ displaypath = get_submodule_displaypath(path, prefix);
+
+ /* remove the submodule work tree (unless the user already did it) */
+ if (is_directory(path)) {
+ struct strbuf sb_rm = STRBUF_INIT;
+ const char *format;
+
+ /*
+ * protect submodules containing a .git directory
+ * NEEDSWORK: instead of dying, automatically call
+ * absorbgitdirs and (possibly) warn.
+ */
+ if (is_directory(sub_git_dir))
+ die(_("Submodule work tree '%s' contains a .git "
+ "directory (use 'rm -rf' if you really want "
+ "to remove it including all of its history)"),
+ displaypath);
+
+ if (!(flags & OPT_FORCE)) {
+ struct child_process cp_rm = CHILD_PROCESS_INIT;
+ cp_rm.git_cmd = 1;
+ strvec_pushl(&cp_rm.args, "rm", "-qn",
+ path, NULL);
+
+ if (run_command(&cp_rm))
+ die(_("Submodule work tree '%s' contains local "
+ "modifications; use '-f' to discard them"),
+ displaypath);
+ }
+
+ strbuf_addstr(&sb_rm, path);
+
+ if (!remove_dir_recursively(&sb_rm, 0))
+ format = _("Cleared directory '%s'\n");
+ else
+ format = _("Could not remove submodule work tree '%s'\n");
+
+ if (!(flags & OPT_QUIET))
+ printf(format, displaypath);
+
+ submodule_unset_core_worktree(sub);
+
+ strbuf_release(&sb_rm);
+ }
+
+ if (mkdir(path, 0777))
+ printf(_("could not create empty submodule directory %s"),
+ displaypath);
+
+ cp_config.git_cmd = 1;
+ strvec_pushl(&cp_config.args, "config", "--get-regexp", NULL);
+ strvec_pushf(&cp_config.args, "submodule.%s\\.", sub->name);
+
+ /* remove the .git/config entries (unless the user already did it) */
+ if (!capture_command(&cp_config, &sb_config, 0) && sb_config.len) {
+ char *sub_key = xstrfmt("submodule.%s", sub->name);
+ /*
+ * remove the whole section so we have a clean state when
+ * the user later decides to init this submodule again
+ */
+ git_config_rename_section_in_file(NULL, sub_key, NULL);
+ if (!(flags & OPT_QUIET))
+ printf(_("Submodule '%s' (%s) unregistered for path '%s'\n"),
+ sub->name, sub->url, displaypath);
+ free(sub_key);
+ }
+
+cleanup:
+ free(displaypath);
+ free(sub_git_dir);
+ strbuf_release(&sb_config);
+}
+
+static void deinit_submodule_cb(const struct cache_entry *list_item,
+ void *cb_data)
+{
+ struct deinit_cb *info = cb_data;
+ deinit_submodule(list_item->name, info->prefix, info->flags);
+}
+
+static int module_deinit(int argc, const char **argv, const char *prefix)
+{
+ struct deinit_cb info = DEINIT_CB_INIT;
+ struct pathspec pathspec;
+ struct module_list list = MODULE_LIST_INIT;
+ int quiet = 0;
+ int force = 0;
+ int all = 0;
+
+ struct option module_deinit_options[] = {
+ OPT__QUIET(&quiet, N_("suppress submodule status output")),
+ OPT__FORCE(&force, N_("remove submodule working trees even if they contain local changes"), 0),
+ OPT_BOOL(0, "all", &all, N_("unregister all submodules")),
+ OPT_END()
+ };
+
+ const char *const git_submodule_helper_usage[] = {
+ N_("git submodule deinit [--quiet] [-f | --force] [--all | [--] [<path>...]]"),
+ NULL
+ };
+
+ argc = parse_options(argc, argv, prefix, module_deinit_options,
+ git_submodule_helper_usage, 0);
+
+ if (all && argc) {
+ error("pathspec and --all are incompatible");
+ usage_with_options(git_submodule_helper_usage,
+ module_deinit_options);
+ }
+
+ if (!argc && !all)
+ die(_("Use '--all' if you really want to deinitialize all submodules"));
+
+ if (module_list_compute(argc, argv, prefix, &pathspec, &list) < 0)
+ return 1;
+
+ info.prefix = prefix;
+ if (quiet)
+ info.flags |= OPT_QUIET;
+ if (force)
+ info.flags |= OPT_FORCE;
+
+ for_each_listed_submodule(&list, deinit_submodule_cb, &info);
+
+ return 0;
+}
+
+static int clone_submodule(const char *path, const char *gitdir, const char *url,
+ const char *depth, struct string_list *reference, int dissociate,
+ int quiet, int progress, int single_branch)
+{
+ struct child_process cp = CHILD_PROCESS_INIT;
+
+ strvec_push(&cp.args, "clone");
+ strvec_push(&cp.args, "--no-checkout");
+ if (quiet)
+ strvec_push(&cp.args, "--quiet");
+ if (progress)
+ strvec_push(&cp.args, "--progress");
+ if (depth && *depth)
+ strvec_pushl(&cp.args, "--depth", depth, NULL);
+ if (reference->nr) {
+ struct string_list_item *item;
+ for_each_string_list_item(item, reference)
+ strvec_pushl(&cp.args, "--reference",
+ item->string, NULL);
+ }
+ if (dissociate)
+ strvec_push(&cp.args, "--dissociate");
+ if (gitdir && *gitdir)
+ strvec_pushl(&cp.args, "--separate-git-dir", gitdir, NULL);
+ if (single_branch >= 0)
+ strvec_push(&cp.args, single_branch ?
+ "--single-branch" :
+ "--no-single-branch");
+
+ strvec_push(&cp.args, "--");
+ strvec_push(&cp.args, url);
+ strvec_push(&cp.args, path);
+
+ cp.git_cmd = 1;
+ prepare_submodule_repo_env(&cp.env_array);
+ cp.no_stdin = 1;
+
+ return run_command(&cp);
+}
+
+struct submodule_alternate_setup {
+ const char *submodule_name;
+ enum SUBMODULE_ALTERNATE_ERROR_MODE {
+ SUBMODULE_ALTERNATE_ERROR_DIE,
+ SUBMODULE_ALTERNATE_ERROR_INFO,
+ SUBMODULE_ALTERNATE_ERROR_IGNORE
+ } error_mode;
+ struct string_list *reference;
+};
+#define SUBMODULE_ALTERNATE_SETUP_INIT { NULL, \
+ SUBMODULE_ALTERNATE_ERROR_IGNORE, NULL }
+
+static const char alternate_error_advice[] = N_(
+"An alternate computed from a superproject's alternate is invalid.\n"
+"To allow Git to clone without an alternate in such a case, set\n"
+"submodule.alternateErrorStrategy to 'info' or, equivalently, clone with\n"
+"'--reference-if-able' instead of '--reference'."
+);
+
+static int add_possible_reference_from_superproject(
+ struct object_directory *odb, void *sas_cb)
+{
+ struct submodule_alternate_setup *sas = sas_cb;
+ size_t len;
+
+ /*
+ * If the alternate object store is another repository, try the
+ * standard layout with .git/(modules/<name>)+/objects
+ */
+ if (strip_suffix(odb->path, "/objects", &len)) {
+ char *sm_alternate;
+ struct strbuf sb = STRBUF_INIT;
+ struct strbuf err = STRBUF_INIT;
+ strbuf_add(&sb, odb->path, len);
+
+ /*
+ * We need to end the new path with '/' to mark it as a dir,
+ * otherwise a submodule name containing '/' will be broken
+ * as the last part of a missing submodule reference would
+ * be taken as a file name.
+ */
+ strbuf_addf(&sb, "/modules/%s/", sas->submodule_name);
+
+ sm_alternate = compute_alternate_path(sb.buf, &err);
+ if (sm_alternate) {
+ string_list_append(sas->reference, xstrdup(sb.buf));
+ free(sm_alternate);
+ } else {
+ switch (sas->error_mode) {
+ case SUBMODULE_ALTERNATE_ERROR_DIE:
+ if (advice_submodule_alternate_error_strategy_die)
+ advise(_(alternate_error_advice));
+ die(_("submodule '%s' cannot add alternate: %s"),
+ sas->submodule_name, err.buf);
+ case SUBMODULE_ALTERNATE_ERROR_INFO:
+ fprintf_ln(stderr, _("submodule '%s' cannot add alternate: %s"),
+ sas->submodule_name, err.buf);
+ case SUBMODULE_ALTERNATE_ERROR_IGNORE:
+ ; /* nothing */
+ }
+ }
+ strbuf_release(&sb);
+ }
+
+ return 0;
+}
+
+static void prepare_possible_alternates(const char *sm_name,
+ struct string_list *reference)
+{
+ char *sm_alternate = NULL, *error_strategy = NULL;
+ struct submodule_alternate_setup sas = SUBMODULE_ALTERNATE_SETUP_INIT;
+
+ git_config_get_string("submodule.alternateLocation", &sm_alternate);
+ if (!sm_alternate)
+ return;
+
+ git_config_get_string("submodule.alternateErrorStrategy", &error_strategy);
+
+ if (!error_strategy)
+ error_strategy = xstrdup("die");
+
+ sas.submodule_name = sm_name;
+ sas.reference = reference;
+ if (!strcmp(error_strategy, "die"))
+ sas.error_mode = SUBMODULE_ALTERNATE_ERROR_DIE;
+ else if (!strcmp(error_strategy, "info"))
+ sas.error_mode = SUBMODULE_ALTERNATE_ERROR_INFO;
+ else if (!strcmp(error_strategy, "ignore"))
+ sas.error_mode = SUBMODULE_ALTERNATE_ERROR_IGNORE;
+ else
+ die(_("Value '%s' for submodule.alternateErrorStrategy is not recognized"), error_strategy);
+
+ if (!strcmp(sm_alternate, "superproject"))
+ foreach_alt_odb(add_possible_reference_from_superproject, &sas);
+ else if (!strcmp(sm_alternate, "no"))
+ ; /* do nothing */
+ else
+ die(_("Value '%s' for submodule.alternateLocation is not recognized"), sm_alternate);
+
+ free(sm_alternate);
+ free(error_strategy);
+}
+
+static int module_clone(int argc, const char **argv, const char *prefix)
+{
+ const char *name = NULL, *url = NULL, *depth = NULL;
+ int quiet = 0;
+ int progress = 0;
+ char *p, *path = NULL, *sm_gitdir;
+ struct strbuf sb = STRBUF_INIT;
+ struct string_list reference = STRING_LIST_INIT_NODUP;
+ int dissociate = 0, require_init = 0;
+ char *sm_alternate = NULL, *error_strategy = NULL;
+ int single_branch = -1;
+
+ struct option module_clone_options[] = {
+ OPT_STRING(0, "prefix", &prefix,
+ N_("path"),
+ N_("alternative anchor for relative paths")),
+ OPT_STRING(0, "path", &path,
+ N_("path"),
+ N_("where the new submodule will be cloned to")),
+ OPT_STRING(0, "name", &name,
+ N_("string"),
+ N_("name of the new submodule")),
+ OPT_STRING(0, "url", &url,
+ N_("string"),
+ N_("url where to clone the submodule from")),
+ OPT_STRING_LIST(0, "reference", &reference,
+ N_("repo"),
+ N_("reference repository")),
+ OPT_BOOL(0, "dissociate", &dissociate,
+ N_("use --reference only while cloning")),
+ OPT_STRING(0, "depth", &depth,
+ N_("string"),
+ N_("depth for shallow clones")),
+ OPT__QUIET(&quiet, "Suppress output for cloning a submodule"),
+ OPT_BOOL(0, "progress", &progress,
+ N_("force cloning progress")),
+ OPT_BOOL(0, "require-init", &require_init,
+ N_("disallow cloning into non-empty directory")),
+ OPT_BOOL(0, "single-branch", &single_branch,
+ N_("clone only one branch, HEAD or --branch")),
+ OPT_END()
+ };
+
+ const char *const git_submodule_helper_usage[] = {
+ N_("git submodule--helper clone [--prefix=<path>] [--quiet] "
+ "[--reference <repository>] [--name <name>] [--depth <depth>] "
+ "[--single-branch] "
+ "--url <url> --path <path>"),
+ NULL
+ };
+
+ argc = parse_options(argc, argv, prefix, module_clone_options,
+ git_submodule_helper_usage, 0);
+
+ if (argc || !url || !path || !*path)
+ usage_with_options(git_submodule_helper_usage,
+ module_clone_options);
+
+ strbuf_addf(&sb, "%s/modules/%s", get_git_dir(), name);
+ sm_gitdir = absolute_pathdup(sb.buf);
+ strbuf_reset(&sb);
+
+ if (!is_absolute_path(path)) {
+ strbuf_addf(&sb, "%s/%s", get_git_work_tree(), path);
+ path = strbuf_detach(&sb, NULL);
+ } else
+ path = xstrdup(path);
+
+ if (validate_submodule_git_dir(sm_gitdir, name) < 0)
+ die(_("refusing to create/use '%s' in another submodule's "
+ "git dir"), sm_gitdir);
+
+ if (!file_exists(sm_gitdir)) {
+ if (safe_create_leading_directories_const(sm_gitdir) < 0)
+ die(_("could not create directory '%s'"), sm_gitdir);
+
+ prepare_possible_alternates(name, &reference);
+
+ if (clone_submodule(path, sm_gitdir, url, depth, &reference, dissociate,
+ quiet, progress, single_branch))
+ die(_("clone of '%s' into submodule path '%s' failed"),
+ url, path);
+ } else {
+ if (require_init && !access(path, X_OK) && !is_empty_dir(path))
+ die(_("directory not empty: '%s'"), path);
+ if (safe_create_leading_directories_const(path) < 0)
+ die(_("could not create directory '%s'"), path);
+ strbuf_addf(&sb, "%s/index", sm_gitdir);
+ unlink_or_warn(sb.buf);
+ strbuf_reset(&sb);
+ }
+
+ connect_work_tree_and_git_dir(path, sm_gitdir, 0);
+
+ p = git_pathdup_submodule(path, "config");
+ if (!p)
+ die(_("could not get submodule directory for '%s'"), path);
+
+ /* setup alternateLocation and alternateErrorStrategy in the cloned submodule if needed */
+ git_config_get_string("submodule.alternateLocation", &sm_alternate);
+ if (sm_alternate)
+ git_config_set_in_file(p, "submodule.alternateLocation",
+ sm_alternate);
+ git_config_get_string("submodule.alternateErrorStrategy", &error_strategy);
+ if (error_strategy)
+ git_config_set_in_file(p, "submodule.alternateErrorStrategy",
+ error_strategy);
+
+ free(sm_alternate);
+ free(error_strategy);
+
+ strbuf_release(&sb);
+ free(sm_gitdir);
+ free(path);
+ free(p);
+ return 0;
+}
+
+static void determine_submodule_update_strategy(struct repository *r,
+ int just_cloned,
+ const char *path,
+ const char *update,
+ struct submodule_update_strategy *out)
+{
+ const struct submodule *sub = submodule_from_path(r, &null_oid, path);
+ char *key;
+ const char *val;
+
+ key = xstrfmt("submodule.%s.update", sub->name);
+
+ if (update) {
+ if (parse_submodule_update_strategy(update, out) < 0)
+ die(_("Invalid update mode '%s' for submodule path '%s'"),
+ update, path);
+ } else if (!repo_config_get_string_tmp(r, key, &val)) {
+ if (parse_submodule_update_strategy(val, out) < 0)
+ die(_("Invalid update mode '%s' configured for submodule path '%s'"),
+ val, path);
+ } else if (sub->update_strategy.type != SM_UPDATE_UNSPECIFIED) {
+ if (sub->update_strategy.type == SM_UPDATE_COMMAND)
+ BUG("how did we read update = !command from .gitmodules?");
+ out->type = sub->update_strategy.type;
+ out->command = sub->update_strategy.command;
+ } else
+ out->type = SM_UPDATE_CHECKOUT;
+
+ if (just_cloned &&
+ (out->type == SM_UPDATE_MERGE ||
+ out->type == SM_UPDATE_REBASE ||
+ out->type == SM_UPDATE_NONE))
+ out->type = SM_UPDATE_CHECKOUT;
+
+ free(key);
+}
+
+static int module_update_module_mode(int argc, const char **argv, const char *prefix)
+{
+ const char *path, *update = NULL;
+ int just_cloned;
+ struct submodule_update_strategy update_strategy = { .type = SM_UPDATE_CHECKOUT };
+
+ if (argc < 3 || argc > 4)
+ die("submodule--helper update-module-clone expects <just-cloned> <path> [<update>]");
+
+ just_cloned = git_config_int("just_cloned", argv[1]);
+ path = argv[2];
+
+ if (argc == 4)
+ update = argv[3];
+
+ determine_submodule_update_strategy(the_repository,
+ just_cloned, path, update,
+ &update_strategy);
+ fputs(submodule_strategy_to_string(&update_strategy), stdout);
+
+ return 0;
+}
+
+struct update_clone_data {
+ const struct submodule *sub;
+ struct object_id oid;
+ unsigned just_cloned;
+};
+
+struct submodule_update_clone {
+ /* index into 'list', the list of submodules to look into for cloning */
+ int current;
+ struct module_list list;
+ unsigned warn_if_uninitialized : 1;
+
+ /* update parameter passed via commandline */
+ struct submodule_update_strategy update;
+
+ /* configuration parameters which are passed on to the children */
+ int progress;
+ int quiet;
+ int recommend_shallow;
+ struct string_list references;
+ int dissociate;
+ unsigned require_init;
+ const char *depth;
+ const char *recursive_prefix;
+ const char *prefix;
+ int single_branch;
+
+ /* to be consumed by git-submodule.sh */
+ struct update_clone_data *update_clone;
+ int update_clone_nr; int update_clone_alloc;
+
+ /* If we want to stop as fast as possible and return an error */
+ unsigned quickstop : 1;
+
+ /* failed clones to be retried again */
+ const struct cache_entry **failed_clones;
+ int failed_clones_nr, failed_clones_alloc;
+
+ int max_jobs;
+};
+#define SUBMODULE_UPDATE_CLONE_INIT { \
+ .list = MODULE_LIST_INIT, \
+ .update = SUBMODULE_UPDATE_STRATEGY_INIT, \
+ .recommend_shallow = -1, \
+ .references = STRING_LIST_INIT_DUP, \
+ .single_branch = -1, \
+ .max_jobs = 1, \
+}
+
+
+static void next_submodule_warn_missing(struct submodule_update_clone *suc,
+ struct strbuf *out, const char *displaypath)
+{
+ /*
+ * Only mention uninitialized submodules when their
+ * paths have been specified.
+ */
+ if (suc->warn_if_uninitialized) {
+ strbuf_addf(out,
+ _("Submodule path '%s' not initialized"),
+ displaypath);
+ strbuf_addch(out, '\n');
+ strbuf_addstr(out,
+ _("Maybe you want to use 'update --init'?"));
+ strbuf_addch(out, '\n');
+ }
+}
+
+/**
+ * Determine whether 'ce' needs to be cloned. If so, prepare the 'child' to
+ * run the clone. Returns 1 if 'ce' needs to be cloned, 0 otherwise.
+ */
+static int prepare_to_clone_next_submodule(const struct cache_entry *ce,
+ struct child_process *child,
+ struct submodule_update_clone *suc,
+ struct strbuf *out)
+{
+ const struct submodule *sub = NULL;
+ const char *url = NULL;
+ const char *update_string;
+ enum submodule_update_type update_type;
+ char *key;
+ struct strbuf displaypath_sb = STRBUF_INIT;
+ struct strbuf sb = STRBUF_INIT;
+ const char *displaypath = NULL;
+ int needs_cloning = 0;
+ int need_free_url = 0;
+
+ if (ce_stage(ce)) {
+ if (suc->recursive_prefix)
+ strbuf_addf(&sb, "%s/%s", suc->recursive_prefix, ce->name);
+ else
+ strbuf_addstr(&sb, ce->name);
+ strbuf_addf(out, _("Skipping unmerged submodule %s"), sb.buf);
+ strbuf_addch(out, '\n');
+ goto cleanup;
+ }
+
+ sub = submodule_from_path(the_repository, &null_oid, ce->name);
+
+ if (suc->recursive_prefix)
+ displaypath = relative_path(suc->recursive_prefix,
+ ce->name, &displaypath_sb);
+ else
+ displaypath = ce->name;
+
+ if (!sub) {
+ next_submodule_warn_missing(suc, out, displaypath);
+ goto cleanup;
+ }
+
+ key = xstrfmt("submodule.%s.update", sub->name);
+ if (!repo_config_get_string_tmp(the_repository, key, &update_string)) {
+ update_type = parse_submodule_update_type(update_string);
+ } else {
+ update_type = sub->update_strategy.type;
+ }
+ free(key);
+
+ if (suc->update.type == SM_UPDATE_NONE
+ || (suc->update.type == SM_UPDATE_UNSPECIFIED
+ && update_type == SM_UPDATE_NONE)) {
+ strbuf_addf(out, _("Skipping submodule '%s'"), displaypath);
+ strbuf_addch(out, '\n');
+ goto cleanup;
+ }
+
+ /* Check if the submodule has been initialized. */
+ if (!is_submodule_active(the_repository, ce->name)) {
+ next_submodule_warn_missing(suc, out, displaypath);
+ goto cleanup;
+ }
+
+ strbuf_reset(&sb);
+ strbuf_addf(&sb, "submodule.%s.url", sub->name);
+ if (repo_config_get_string_tmp(the_repository, sb.buf, &url)) {
+ if (starts_with_dot_slash(sub->url) ||
+ starts_with_dot_dot_slash(sub->url)) {
+ url = compute_submodule_clone_url(sub->url);
+ need_free_url = 1;
+ } else
+ url = sub->url;
+ }
+
+ strbuf_reset(&sb);
+ strbuf_addf(&sb, "%s/.git", ce->name);
+ needs_cloning = !file_exists(sb.buf);
+
+ ALLOC_GROW(suc->update_clone, suc->update_clone_nr + 1,
+ suc->update_clone_alloc);
+ oidcpy(&suc->update_clone[suc->update_clone_nr].oid, &ce->oid);
+ suc->update_clone[suc->update_clone_nr].just_cloned = needs_cloning;
+ suc->update_clone[suc->update_clone_nr].sub = sub;
+ suc->update_clone_nr++;
+
+ if (!needs_cloning)
+ goto cleanup;
+
+ child->git_cmd = 1;
+ child->no_stdin = 1;
+ child->stdout_to_stderr = 1;
+ child->err = -1;
+ strvec_push(&child->args, "submodule--helper");
+ strvec_push(&child->args, "clone");
+ if (suc->progress)
+ strvec_push(&child->args, "--progress");
+ if (suc->quiet)
+ strvec_push(&child->args, "--quiet");
+ if (suc->prefix)
+ strvec_pushl(&child->args, "--prefix", suc->prefix, NULL);
+ if (suc->recommend_shallow && sub->recommend_shallow == 1)
+ strvec_push(&child->args, "--depth=1");
+ if (suc->require_init)
+ strvec_push(&child->args, "--require-init");
+ strvec_pushl(&child->args, "--path", sub->path, NULL);
+ strvec_pushl(&child->args, "--name", sub->name, NULL);
+ strvec_pushl(&child->args, "--url", url, NULL);
+ if (suc->references.nr) {
+ struct string_list_item *item;
+ for_each_string_list_item(item, &suc->references)
+ strvec_pushl(&child->args, "--reference", item->string, NULL);
+ }
+ if (suc->dissociate)
+ strvec_push(&child->args, "--dissociate");
+ if (suc->depth)
+ strvec_push(&child->args, suc->depth);
+ if (suc->single_branch >= 0)
+ strvec_push(&child->args, suc->single_branch ?
+ "--single-branch" :
+ "--no-single-branch");
+
+cleanup:
+ strbuf_release(&displaypath_sb);
+ strbuf_release(&sb);
+ if (need_free_url)
+ free((void*)url);
+
+ return needs_cloning;
+}
+
+static int update_clone_get_next_task(struct child_process *child,
+ struct strbuf *err,
+ void *suc_cb,
+ void **idx_task_cb)
+{
+ struct submodule_update_clone *suc = suc_cb;
+ const struct cache_entry *ce;
+ int index;
+
+ for (; suc->current < suc->list.nr; suc->current++) {
+ ce = suc->list.entries[suc->current];
+ if (prepare_to_clone_next_submodule(ce, child, suc, err)) {
+ int *p = xmalloc(sizeof(*p));
+ *p = suc->current;
+ *idx_task_cb = p;
+ suc->current++;
+ return 1;
+ }
+ }
+
+ /*
+ * The loop above tried cloning each submodule once, now try the
+ * stragglers again, which we can imagine as an extension of the
+ * entry list.
+ */
+ index = suc->current - suc->list.nr;
+ if (index < suc->failed_clones_nr) {
+ int *p;
+ ce = suc->failed_clones[index];
+ if (!prepare_to_clone_next_submodule(ce, child, suc, err)) {
+ suc->current ++;
+ strbuf_addstr(err, "BUG: submodule considered for "
+ "cloning, doesn't need cloning "
+ "any more?\n");
+ return 0;
+ }
+ p = xmalloc(sizeof(*p));
+ *p = suc->current;
+ *idx_task_cb = p;
+ suc->current ++;
+ return 1;
+ }
+
+ return 0;
+}
+
+static int update_clone_start_failure(struct strbuf *err,
+ void *suc_cb,
+ void *idx_task_cb)
+{
+ struct submodule_update_clone *suc = suc_cb;
+ suc->quickstop = 1;
+ return 1;
+}
+
+static int update_clone_task_finished(int result,
+ struct strbuf *err,
+ void *suc_cb,
+ void *idx_task_cb)
+{
+ const struct cache_entry *ce;
+ struct submodule_update_clone *suc = suc_cb;
+
+ int *idxP = idx_task_cb;
+ int idx = *idxP;
+ free(idxP);
+
+ if (!result)
+ return 0;
+
+ if (idx < suc->list.nr) {
+ ce = suc->list.entries[idx];
+ strbuf_addf(err, _("Failed to clone '%s'. Retry scheduled"),
+ ce->name);
+ strbuf_addch(err, '\n');
+ ALLOC_GROW(suc->failed_clones,
+ suc->failed_clones_nr + 1,
+ suc->failed_clones_alloc);
+ suc->failed_clones[suc->failed_clones_nr++] = ce;
+ return 0;
+ } else {
+ idx -= suc->list.nr;
+ ce = suc->failed_clones[idx];
+ strbuf_addf(err, _("Failed to clone '%s' a second time, aborting"),
+ ce->name);
+ strbuf_addch(err, '\n');
+ suc->quickstop = 1;
+ return 1;
+ }
+
+ return 0;
+}
+
+static int git_update_clone_config(const char *var, const char *value,
+ void *cb)
+{
+ int *max_jobs = cb;
+ if (!strcmp(var, "submodule.fetchjobs"))
+ *max_jobs = parse_submodule_fetchjobs(var, value);
+ return 0;
+}
+
+static void update_submodule(struct update_clone_data *ucd)
+{
+ fprintf(stdout, "dummy %s %d\t%s\n",
+ oid_to_hex(&ucd->oid),
+ ucd->just_cloned,
+ ucd->sub->path);
+}
+
+static int update_submodules(struct submodule_update_clone *suc)
+{
+ int i;
+
+ run_processes_parallel_tr2(suc->max_jobs, update_clone_get_next_task,
+ update_clone_start_failure,
+ update_clone_task_finished, suc, "submodule",
+ "parallel/update");
+
+ /*
+ * We saved the output and put it out all at once now.
+ * That means:
+ * - the listener does not have to interleave their (checkout)
+ * work with our fetching. The writes involved in a
+ * checkout involve more straightforward sequential I/O.
+ * - the listener can avoid doing any work if fetching failed.
+ */
+ if (suc->quickstop)
+ return 1;
+
+ for (i = 0; i < suc->update_clone_nr; i++)
+ update_submodule(&suc->update_clone[i]);
+
+ return 0;
+}
+
+static int update_clone(int argc, const char **argv, const char *prefix)
+{
+ const char *update = NULL;
+ struct pathspec pathspec;
+ struct submodule_update_clone suc = SUBMODULE_UPDATE_CLONE_INIT;
+
+ struct option module_update_clone_options[] = {
+ OPT_STRING(0, "prefix", &prefix,
+ N_("path"),
+ N_("path into the working tree")),
+ OPT_STRING(0, "recursive-prefix", &suc.recursive_prefix,
+ N_("path"),
+ N_("path into the working tree, across nested "
+ "submodule boundaries")),
+ OPT_STRING(0, "update", &update,
+ N_("string"),
+ N_("rebase, merge, checkout or none")),
+ OPT_STRING_LIST(0, "reference", &suc.references, N_("repo"),
+ N_("reference repository")),
+ OPT_BOOL(0, "dissociate", &suc.dissociate,
+ N_("use --reference only while cloning")),
+ OPT_STRING(0, "depth", &suc.depth, "<depth>",
+ N_("create a shallow clone truncated to the "
+ "specified number of revisions")),
+ OPT_INTEGER('j', "jobs", &suc.max_jobs,
+ N_("parallel jobs")),
+ OPT_BOOL(0, "recommend-shallow", &suc.recommend_shallow,
+ N_("whether the initial clone should follow the shallow recommendation")),
+ OPT__QUIET(&suc.quiet, N_("don't print cloning progress")),
+ OPT_BOOL(0, "progress", &suc.progress,
+ N_("force cloning progress")),
+ OPT_BOOL(0, "require-init", &suc.require_init,
+ N_("disallow cloning into non-empty directory")),
+ OPT_BOOL(0, "single-branch", &suc.single_branch,
+ N_("clone only one branch, HEAD or --branch")),
+ OPT_END()
+ };
+
+ const char *const git_submodule_helper_usage[] = {
+ N_("git submodule--helper update-clone [--prefix=<path>] [<path>...]"),
+ NULL
+ };
+ suc.prefix = prefix;
+
+ update_clone_config_from_gitmodules(&suc.max_jobs);
+ git_config(git_update_clone_config, &suc.max_jobs);
+
+ argc = parse_options(argc, argv, prefix, module_update_clone_options,
+ git_submodule_helper_usage, 0);
+
+ if (update)
+ if (parse_submodule_update_strategy(update, &suc.update) < 0)
+ die(_("bad value for update parameter"));
+
+ if (module_list_compute(argc, argv, prefix, &pathspec, &suc.list) < 0)
+ return 1;
+
+ if (pathspec.nr)
+ suc.warn_if_uninitialized = 1;
+
+ return update_submodules(&suc);
+}
+
+static int resolve_relative_path(int argc, const char **argv, const char *prefix)
+{
+ struct strbuf sb = STRBUF_INIT;
+ if (argc != 3)
+ die("submodule--helper relative-path takes exactly 2 arguments, got %d", argc);
+
+ printf("%s", relative_path(argv[1], argv[2], &sb));
+ strbuf_release(&sb);
+ return 0;
+}
+
+static const char *remote_submodule_branch(const char *path)
+{
+ const struct submodule *sub;
+ const char *branch = NULL;
+ char *key;
+
+ sub = submodule_from_path(the_repository, &null_oid, path);
+ if (!sub)
+ return NULL;
+
+ key = xstrfmt("submodule.%s.branch", sub->name);
+ if (repo_config_get_string_tmp(the_repository, key, &branch))
+ branch = sub->branch;
+ free(key);
+
+ if (!branch)
+ return "HEAD";
+
+ if (!strcmp(branch, ".")) {
+ const char *refname = resolve_ref_unsafe("HEAD", 0, NULL, NULL);
+
+ if (!refname)
+ die(_("No such ref: %s"), "HEAD");
+
+ /* detached HEAD */
+ if (!strcmp(refname, "HEAD"))
+ die(_("Submodule (%s) branch configured to inherit "
+ "branch from superproject, but the superproject "
+ "is not on any branch"), sub->name);
+
+ if (!skip_prefix(refname, "refs/heads/", &refname))
+ die(_("Expecting a full ref name, got %s"), refname);
+ return refname;
+ }
+
+ return branch;
+}
+
+static int resolve_remote_submodule_branch(int argc, const char **argv,
+ const char *prefix)
+{
+ const char *ret;
+ struct strbuf sb = STRBUF_INIT;
+ if (argc != 2)
+ die("submodule--helper remote-branch takes exactly one arguments, got %d", argc);
+
+ ret = remote_submodule_branch(argv[1]);
+ if (!ret)
+ die("submodule %s doesn't exist", argv[1]);
+
+ printf("%s", ret);
+ strbuf_release(&sb);
+ return 0;
+}
+
+static int push_check(int argc, const char **argv, const char *prefix)
+{
+ struct remote *remote;
+ const char *superproject_head;
+ char *head;
+ int detached_head = 0;
+ struct object_id head_oid;
+
+ if (argc < 3)
+ die("submodule--helper push-check requires at least 2 arguments");
+
+ /*
+ * superproject's resolved head ref.
+ * if HEAD then the superproject is in a detached head state, otherwise
+ * it will be the resolved head ref.
+ */
+ superproject_head = argv[1];
+ argv++;
+ argc--;
+ /* Get the submodule's head ref and determine if it is detached */
+ head = resolve_refdup("HEAD", 0, &head_oid, NULL);
+ if (!head)
+ die(_("Failed to resolve HEAD as a valid ref."));
+ if (!strcmp(head, "HEAD"))
+ detached_head = 1;
+
+ /*
+ * The remote must be configured.
+ * This is to avoid pushing to the exact same URL as the parent.
+ */
+ remote = pushremote_get(argv[1]);
+ if (!remote || remote->origin == REMOTE_UNCONFIGURED)
+ die("remote '%s' not configured", argv[1]);
+
+ /* Check the refspec */
+ if (argc > 2) {
+ int i;
+ struct ref *local_refs = get_local_heads();
+ struct refspec refspec = REFSPEC_INIT_PUSH;
+
+ refspec_appendn(&refspec, argv + 2, argc - 2);
+
+ for (i = 0; i < refspec.nr; i++) {
+ const struct refspec_item *rs = &refspec.items[i];
+
+ if (rs->pattern || rs->matching)
+ continue;
+
+ /* LHS must match a single ref */
+ switch (count_refspec_match(rs->src, local_refs, NULL)) {
+ case 1:
+ break;
+ case 0:
+ /*
+ * If LHS matches 'HEAD' then we need to ensure
+ * that it matches the same named branch
+ * checked out in the superproject.
+ */
+ if (!strcmp(rs->src, "HEAD")) {
+ if (!detached_head &&
+ !strcmp(head, superproject_head))
+ break;
+ die("HEAD does not match the named branch in the superproject");
+ }
+ /* fallthrough */
+ default:
+ die("src refspec '%s' must name a ref",
+ rs->src);
+ }
+ }
+ refspec_clear(&refspec);
+ }
+ free(head);
+
+ return 0;
+}
+
+static int ensure_core_worktree(int argc, const char **argv, const char *prefix)
+{
+ const struct submodule *sub;
+ const char *path;
+ const char *cw;
+ struct repository subrepo;
+
+ if (argc != 2)
+ BUG("submodule--helper ensure-core-worktree <path>");
+
+ path = argv[1];
+
+ sub = submodule_from_path(the_repository, &null_oid, path);
+ if (!sub)
+ BUG("We could get the submodule handle before?");
+
+ if (repo_submodule_init(&subrepo, the_repository, sub))
+ die(_("could not get a repository handle for submodule '%s'"), path);
+
+ if (!repo_config_get_string_tmp(&subrepo, "core.worktree", &cw)) {
+ char *cfg_file, *abs_path;
+ const char *rel_path;
+ struct strbuf sb = STRBUF_INIT;
+
+ cfg_file = repo_git_path(&subrepo, "config");
+
+ abs_path = absolute_pathdup(path);
+ rel_path = relative_path(abs_path, subrepo.gitdir, &sb);
+
+ git_config_set_in_file(cfg_file, "core.worktree", rel_path);
+
+ free(cfg_file);
+ free(abs_path);
+ strbuf_release(&sb);
+ }
+
+ return 0;
+}
+
+static int absorb_git_dirs(int argc, const char **argv, const char *prefix)
+{
+ int i;
+ struct pathspec pathspec;
+ struct module_list list = MODULE_LIST_INIT;
+ unsigned flags = ABSORB_GITDIR_RECURSE_SUBMODULES;
+
+ struct option embed_gitdir_options[] = {
+ OPT_STRING(0, "prefix", &prefix,
+ N_("path"),
+ N_("path into the working tree")),
+ OPT_BIT(0, "--recursive", &flags, N_("recurse into submodules"),
+ ABSORB_GITDIR_RECURSE_SUBMODULES),
+ OPT_END()
+ };
+
+ const char *const git_submodule_helper_usage[] = {
+ N_("git submodule--helper absorb-git-dirs [<options>] [<path>...]"),
+ NULL
+ };
+
+ argc = parse_options(argc, argv, prefix, embed_gitdir_options,
+ git_submodule_helper_usage, 0);
+
+ if (module_list_compute(argc, argv, prefix, &pathspec, &list) < 0)
+ return 1;
+
+ for (i = 0; i < list.nr; i++)
+ absorb_git_dir_into_superproject(list.entries[i]->name, flags);
+
+ return 0;
+}
+
+static int is_active(int argc, const char **argv, const char *prefix)
+{
+ if (argc != 2)
+ die("submodule--helper is-active takes exactly 1 argument");
+
+ return !is_submodule_active(the_repository, argv[1]);
+}
+
+/*
+ * Exit non-zero if any of the submodule names given on the command line is
+ * invalid. If no names are given, filter stdin to print only valid names
+ * (which is primarily intended for testing).
+ */
+static int check_name(int argc, const char **argv, const char *prefix)
+{
+ if (argc > 1) {
+ while (*++argv) {
+ if (check_submodule_name(*argv) < 0)
+ return 1;
+ }
+ } else {
+ struct strbuf buf = STRBUF_INIT;
+ while (strbuf_getline(&buf, stdin) != EOF) {
+ if (!check_submodule_name(buf.buf))
+ printf("%s\n", buf.buf);
+ }
+ strbuf_release(&buf);
+ }
+ return 0;
+}
+
+static int module_config(int argc, const char **argv, const char *prefix)
+{
+ enum {
+ CHECK_WRITEABLE = 1,
+ DO_UNSET = 2
+ } command = 0;
+
+ struct option module_config_options[] = {
+ OPT_CMDMODE(0, "check-writeable", &command,
+ N_("check if it is safe to write to the .gitmodules file"),
+ CHECK_WRITEABLE),
+ OPT_CMDMODE(0, "unset", &command,
+ N_("unset the config in the .gitmodules file"),
+ DO_UNSET),
+ OPT_END()
+ };
+ const char *const git_submodule_helper_usage[] = {
+ N_("git submodule--helper config <name> [<value>]"),
+ N_("git submodule--helper config --unset <name>"),
+ N_("git submodule--helper config --check-writeable"),
+ NULL
+ };
+
+ argc = parse_options(argc, argv, prefix, module_config_options,
+ git_submodule_helper_usage, PARSE_OPT_KEEP_ARGV0);
+
+ if (argc == 1 && command == CHECK_WRITEABLE)
+ return is_writing_gitmodules_ok() ? 0 : -1;
+
+ /* Equivalent to ACTION_GET in builtin/config.c */
+ if (argc == 2 && command != DO_UNSET)
+ return print_config_from_gitmodules(the_repository, argv[1]);
+
+ /* Equivalent to ACTION_SET in builtin/config.c */
+ if (argc == 3 || (argc == 2 && command == DO_UNSET)) {
+ const char *value = (argc == 3) ? argv[2] : NULL;
+
+ if (!is_writing_gitmodules_ok())
+ die(_("please make sure that the .gitmodules file is in the working tree"));
+
+ return config_set_in_gitmodules_file_gently(argv[1], value);
+ }
+
+ usage_with_options(git_submodule_helper_usage, module_config_options);
+}
+
+static int module_set_url(int argc, const char **argv, const char *prefix)
+{
+ int quiet = 0;
+ const char *newurl;
+ const char *path;
+ char *config_name;
+
+ struct option options[] = {
+ OPT__QUIET(&quiet, N_("suppress output for setting url of a submodule")),
+ OPT_END()
+ };
+ const char *const usage[] = {
+ N_("git submodule--helper set-url [--quiet] <path> <newurl>"),
+ NULL
+ };
+
+ argc = parse_options(argc, argv, prefix, options, usage, 0);
+
+ if (argc != 2 || !(path = argv[0]) || !(newurl = argv[1]))
+ usage_with_options(usage, options);
+
+ config_name = xstrfmt("submodule.%s.url", path);
+
+ config_set_in_gitmodules_file_gently(config_name, newurl);
+ sync_submodule(path, prefix, quiet ? OPT_QUIET : 0);
+
+ free(config_name);
+
+ return 0;
+}
+
+static int module_set_branch(int argc, const char **argv, const char *prefix)
+{
+ int opt_default = 0, ret;
+ const char *opt_branch = NULL;
+ const char *path;
+ char *config_name;
+
+ /*
+ * We accept the `quiet` option for uniformity across subcommands,
+ * though there is nothing to make less verbose in this subcommand.
+ */
+ struct option options[] = {
+ OPT_NOOP_NOARG('q', "quiet"),
+ OPT_BOOL('d', "default", &opt_default,
+ N_("set the default tracking branch to master")),
+ OPT_STRING('b', "branch", &opt_branch, N_("branch"),
+ N_("set the default tracking branch")),
+ OPT_END()
+ };
+ const char *const usage[] = {
+ N_("git submodule--helper set-branch [-q|--quiet] (-d|--default) <path>"),
+ N_("git submodule--helper set-branch [-q|--quiet] (-b|--branch) <branch> <path>"),
+ NULL
+ };
+
+ argc = parse_options(argc, argv, prefix, options, usage, 0);
+
+ if (!opt_branch && !opt_default)
+ die(_("--branch or --default required"));
+
+ if (opt_branch && opt_default)
+ die(_("--branch and --default are mutually exclusive"));
+
+ if (argc != 1 || !(path = argv[0]))
+ usage_with_options(usage, options);
+
+ config_name = xstrfmt("submodule.%s.branch", path);
+ ret = config_set_in_gitmodules_file_gently(config_name, opt_branch);
+
+ free(config_name);
+ return !!ret;
+}
+
+#define SUPPORT_SUPER_PREFIX (1<<0)
+
+struct cmd_struct {
+ const char *cmd;
+ int (*fn)(int, const char **, const char *);
+ unsigned option;
+};
+
+static struct cmd_struct commands[] = {
+ {"list", module_list, 0},
+ {"name", module_name, 0},
+ {"clone", module_clone, 0},
+ {"update-module-mode", module_update_module_mode, 0},
+ {"update-clone", update_clone, 0},
+ {"ensure-core-worktree", ensure_core_worktree, 0},
+ {"relative-path", resolve_relative_path, 0},
+ {"resolve-relative-url", resolve_relative_url, 0},
+ {"resolve-relative-url-test", resolve_relative_url_test, 0},
+ {"foreach", module_foreach, SUPPORT_SUPER_PREFIX},
+ {"init", module_init, SUPPORT_SUPER_PREFIX},
+ {"status", module_status, SUPPORT_SUPER_PREFIX},
+ {"print-default-remote", print_default_remote, 0},
+ {"sync", module_sync, SUPPORT_SUPER_PREFIX},
+ {"deinit", module_deinit, 0},
+ {"summary", module_summary, SUPPORT_SUPER_PREFIX},
+ {"remote-branch", resolve_remote_submodule_branch, 0},
+ {"push-check", push_check, 0},
+ {"absorb-git-dirs", absorb_git_dirs, SUPPORT_SUPER_PREFIX},
+ {"is-active", is_active, 0},
+ {"check-name", check_name, 0},
+ {"config", module_config, 0},
+ {"set-url", module_set_url, 0},
+ {"set-branch", module_set_branch, 0},
+};
+
+int cmd_submodule__helper(int argc, const char **argv, const char *prefix)
+{
+ int i;
+ if (argc < 2 || !strcmp(argv[1], "-h"))
+ usage("git submodule--helper <command>");
+
+ for (i = 0; i < ARRAY_SIZE(commands); i++) {
+ if (!strcmp(argv[1], commands[i].cmd)) {
+ if (get_super_prefix() &&
+ !(commands[i].option & SUPPORT_SUPER_PREFIX))
+ die(_("%s doesn't support --super-prefix"),
+ commands[i].cmd);
+ return commands[i].fn(argc - 1, argv + 1, prefix);
+ }
+ }
+
+ die(_("'%s' is not a valid submodule--helper "
+ "subcommand"), argv[1]);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-24 04:53:58 +0000