зеркало из https://github.com/microsoft/git.git
submodule: port submodule subcommand 'sync' from shell to C
Port the submodule subcommand 'sync' from shell to C using the same mechanism as that used for porting submodule subcommand 'status'. Hence, here the function cmd_sync() is ported from shell to C. This is done by introducing four functions: module_sync(), sync_submodule(), sync_submodule_cb() and print_default_remote(). The function print_default_remote() is introduced for getting the default remote as stdout. Mentored-by: Christian Couder <christian.couder@gmail.com> Mentored-by: Stefan Beller <sbeller@google.com> Signed-off-by: Prathamesh Chavan <pc44800@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Prathamesh Chavan
Junio C Hamano
Родитель
36438dc19d
Коммит
13424764db
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@ -50,6 +50,20 @@ static char *get_default_remote(void)
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return ret;
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}
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static int print_default_remote(int argc, const char **argv, const char *prefix)
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{
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const char *remote;
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if (argc != 1)
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die(_("submodule--helper print-default-remote takes no arguments"));
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remote = get_default_remote();
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if (remote)
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printf("%s\n", remote);
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return 0;
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}
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static int starts_with_dot_slash(const char *str)
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{
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return str[0] == '.' && is_dir_sep(str[1]);
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@ -358,6 +372,25 @@ static void module_list_active(struct module_list *list)
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*list = active_modules;
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}
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static char *get_up_path(const char *path)
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{
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int i;
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struct strbuf sb = STRBUF_INIT;
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for (i = count_slashes(path); i; i--)
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strbuf_addstr(&sb, "../");
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/*
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* Check if 'path' ends with slash or not
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* for having the same output for dir/sub_dir
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* and dir/sub_dir/
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*/
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if (!is_dir_sep(path[strlen(path) - 1]))
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strbuf_addstr(&sb, "../");
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return strbuf_detach(&sb, NULL);
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}
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static int module_list(int argc, const char **argv, const char *prefix)
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{
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int i;
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@ -718,6 +751,164 @@ static int module_name(int argc, const char **argv, const char *prefix)
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return 0;
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}
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struct sync_cb {
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const char *prefix;
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unsigned int flags;
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};
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#define SYNC_CB_INIT { NULL, 0 }
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static void sync_submodule(const char *path, const char *prefix,
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unsigned int flags)
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{
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const struct submodule *sub;
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char *remote_key = NULL;
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char *sub_origin_url, *super_config_url, *displaypath;
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struct strbuf sb = STRBUF_INIT;
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struct child_process cp = CHILD_PROCESS_INIT;
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char *sub_config_path = NULL;
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if (!is_submodule_active(the_repository, path))
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return;
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sub = submodule_from_path(&null_oid, path);
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if (sub && sub->url) {
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if (starts_with_dot_dot_slash(sub->url) ||
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starts_with_dot_slash(sub->url)) {
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char *remote_url, *up_path;
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char *remote = get_default_remote();
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strbuf_addf(&sb, "remote.%s.url", remote);
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if (git_config_get_string(sb.buf, &remote_url))
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remote_url = xgetcwd();
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up_path = get_up_path(path);
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sub_origin_url = relative_url(remote_url, sub->url, up_path);
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super_config_url = relative_url(remote_url, sub->url, NULL);
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free(remote);
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free(up_path);
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free(remote_url);
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} else {
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sub_origin_url = xstrdup(sub->url);
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super_config_url = xstrdup(sub->url);
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}
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} else {
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sub_origin_url = xstrdup("");
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super_config_url = xstrdup("");
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}
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displaypath = get_submodule_displaypath(path, prefix);
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if (!(flags & OPT_QUIET))
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printf(_("Synchronizing submodule url for '%s'\n"),
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displaypath);
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strbuf_reset(&sb);
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strbuf_addf(&sb, "submodule.%s.url", sub->name);
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if (git_config_set_gently(sb.buf, super_config_url))
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die(_("failed to register url for submodule path '%s'"),
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displaypath);
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if (!is_submodule_populated_gently(path, NULL))
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goto cleanup;
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prepare_submodule_repo_env(&cp.env_array);
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cp.git_cmd = 1;
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cp.dir = path;
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argv_array_pushl(&cp.args, "submodule--helper",
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"print-default-remote", NULL);
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strbuf_reset(&sb);
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if (capture_command(&cp, &sb, 0))
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die(_("failed to get the default remote for submodule '%s'"),
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path);
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strbuf_strip_suffix(&sb, "\n");
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remote_key = xstrfmt("remote.%s.url", sb.buf);
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strbuf_reset(&sb);
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submodule_to_gitdir(&sb, path);
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strbuf_addstr(&sb, "/config");
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if (git_config_set_in_file_gently(sb.buf, remote_key, sub_origin_url))
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die(_("failed to update remote for submodule '%s'"),
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path);
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if (flags & OPT_RECURSIVE) {
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struct child_process cpr = CHILD_PROCESS_INIT;
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cpr.git_cmd = 1;
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cpr.dir = path;
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prepare_submodule_repo_env(&cpr.env_array);
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argv_array_push(&cpr.args, "--super-prefix");
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argv_array_pushf(&cpr.args, "%s/", displaypath);
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argv_array_pushl(&cpr.args, "submodule--helper", "sync",
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"--recursive", NULL);
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if (flags & OPT_QUIET)
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argv_array_push(&cpr.args, "--quiet");
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if (run_command(&cpr))
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die(_("failed to recurse into submodule '%s'"),
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path);
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}
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cleanup:
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free(super_config_url);
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free(sub_origin_url);
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strbuf_release(&sb);
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free(remote_key);
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free(displaypath);
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free(sub_config_path);
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}
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static void sync_submodule_cb(const struct cache_entry *list_item, void *cb_data)
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{
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struct sync_cb *info = cb_data;
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sync_submodule(list_item->name, info->prefix, info->flags);
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}
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static int module_sync(int argc, const char **argv, const char *prefix)
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{
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struct sync_cb info = SYNC_CB_INIT;
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struct pathspec pathspec;
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struct module_list list = MODULE_LIST_INIT;
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int quiet = 0;
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int recursive = 0;
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struct option module_sync_options[] = {
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OPT__QUIET(&quiet, N_("Suppress output of synchronizing submodule url")),
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OPT_BOOL(0, "recursive", &recursive,
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N_("Recurse into nested submodules")),
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OPT_END()
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};
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const char *const git_submodule_helper_usage[] = {
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N_("git submodule--helper sync [--quiet] [--recursive] [<path>]"),
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NULL
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};
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argc = parse_options(argc, argv, prefix, module_sync_options,
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git_submodule_helper_usage, 0);
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if (module_list_compute(argc, argv, prefix, &pathspec, &list) < 0)
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return 1;
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info.prefix = prefix;
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if (quiet)
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info.flags |= OPT_QUIET;
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if (recursive)
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info.flags |= OPT_RECURSIVE;
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for_each_listed_submodule(&list, sync_submodule_cb, &info);
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return 0;
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}
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static int clone_submodule(const char *path, const char *gitdir, const char *url,
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const char *depth, struct string_list *reference,
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int quiet, int progress)
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@ -1498,6 +1689,8 @@ static struct cmd_struct commands[] = {
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{"resolve-relative-url-test", resolve_relative_url_test, 0},
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{"init", module_init, SUPPORT_SUPER_PREFIX},
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{"status", module_status, SUPPORT_SUPER_PREFIX},
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{"print-default-remote", print_default_remote, 0},
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{"sync", module_sync, SUPPORT_SUPER_PREFIX},
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{"remote-branch", resolve_remote_submodule_branch, 0},
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{"push-check", push_check, 0},
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{"absorb-git-dirs", absorb_git_dirs, SUPPORT_SUPER_PREFIX},
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@ -1036,63 +1036,8 @@ cmd_sync()
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;;
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esac
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done
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cd_to_toplevel
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{
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git submodule--helper list --prefix "$wt_prefix" "$@" ||
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echo "#unmatched" $?
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} |
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while read -r mode sha1 stage sm_path
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do
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die_if_unmatched "$mode" "$sha1"
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# skip inactive submodules
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if ! git submodule--helper is-active "$sm_path"
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then
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continue
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fi
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name=$(git submodule--helper name "$sm_path")
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url=$(git config -f .gitmodules --get submodule."$name".url)
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# Possibly a url relative to parent
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case "$url" in
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./*|../*)
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# rewrite foo/bar as ../.. to find path from
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# submodule work tree to superproject work tree
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up_path="$(printf '%s\n' "$sm_path" | sed "s/[^/][^/]*/../g")" &&
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# guarantee a trailing /
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up_path=${up_path%/}/ &&
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# path from submodule work tree to submodule origin repo
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sub_origin_url=$(git submodule--helper resolve-relative-url "$url" "$up_path") &&
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# path from superproject work tree to submodule origin repo
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super_config_url=$(git submodule--helper resolve-relative-url "$url") || exit
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;;
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*)
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sub_origin_url="$url"
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super_config_url="$url"
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;;
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esac
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displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
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say "$(eval_gettext "Synchronizing submodule url for '\$displaypath'")"
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git config submodule."$name".url "$super_config_url"
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if test -e "$sm_path"/.git
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then
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(
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sanitize_submodule_env
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cd "$sm_path"
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remote=$(get_default_remote)
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git config remote."$remote".url "$sub_origin_url"
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if test -n "$recursive"
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then
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prefix="$prefix$sm_path/"
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eval cmd_sync
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fi
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)
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fi
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done
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git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper sync ${GIT_QUIET:+--quiet} ${recursive:+--recursive} "$@"
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}
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cmd_absorbgitdirs()
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