diff options
Diffstat (limited to 'third_party/git/builtin/submodule--helper.c')
| -rw-r--r-- | third_party/git/builtin/submodule--helper.c | 2243 |
1 files changed, 0 insertions, 2243 deletions
diff --git a/third_party/git/builtin/submodule--helper.c b/third_party/git/builtin/submodule--helper.c deleted file mode 100644 index 909e77e802..0000000000 --- a/third_party/git/builtin/submodule--helper.c +++ /dev/null @@ -1,2243 +0,0 @@ -#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" - -#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; - - argv_array_push(&cp.args, "describe"); - argv_array_pushv(&cp.args, *d); - argv_array_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, sha1_to_hex(null_sha1)); - 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 cb_foreach { - int argc; - const char **argv; - const char *prefix; - int quiet; - int recursive; -}; -#define CB_FOREACH_INIT { 0 } - -static void runcommand_in_submodule_cb(const struct cache_entry *list_item, - void *cb_data) -{ - struct cb_foreach *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; - - argv_array_pushf(&cp.env_array, "name=%s", sub->name); - argv_array_pushf(&cp.env_array, "sm_path=%s", path); - argv_array_pushf(&cp.env_array, "displaypath=%s", displaypath); - argv_array_pushf(&cp.env_array, "sha1=%s", - oid_to_hex(ce_oid)); - argv_array_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 argv_array and not via env_array. - */ - sq_quote_buf(&sb, path); - argv_array_pushf(&cp.args, "path=%s; %s", - sb.buf, info->argv[0]); - strbuf_release(&sb); - free(toplevel); - } else { - argv_array_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); - - argv_array_pushl(&cpr.args, "--super-prefix", NULL); - argv_array_pushf(&cpr.args, "%s/", displaypath); - argv_array_pushl(&cpr.args, "submodule--helper", "foreach", "--recursive", - NULL); - - if (info->quiet) - argv_array_push(&cpr.args, "--quiet"); - - argv_array_push(&cpr.args, "--"); - argv_array_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 cb_foreach info = CB_FOREACH_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 argv_array diff_files_args = ARGV_ARRAY_INIT; - struct rev_info rev; - int diff_files_result; - - 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; - } - - if (!is_submodule_active(the_repository, path)) { - print_status(flags, '-', path, ce_oid, displaypath); - goto cleanup; - } - - argv_array_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, prefix); - rev.abbrev = 0; - diff_files_args.argc = setup_revisions(diff_files_args.argc, - diff_files_args.argv, - &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); - - argv_array_push(&cpr.args, "--super-prefix"); - argv_array_pushf(&cpr.args, "%s/", displaypath); - argv_array_pushl(&cpr.args, "submodule--helper", "status", - "--recursive", NULL); - - if (flags & OPT_CACHED) - argv_array_push(&cpr.args, "--cached"); - - if (flags & OPT_QUIET) - argv_array_push(&cpr.args, "--quiet"); - - if (run_command(&cpr)) - die(_("failed to recurse into submodule '%s'"), path); - } - -cleanup: - argv_array_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 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; - argv_array_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); - - argv_array_push(&cpr.args, "--super-prefix"); - argv_array_pushf(&cpr.args, "%s/", displaypath); - argv_array_pushl(&cpr.args, "submodule--helper", "sync", - "--recursive", NULL); - - if (flags & OPT_QUIET) - argv_array_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; - argv_array_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; - argv_array_pushl(&cp_config.args, "config", "--get-regexp", NULL); - argv_array_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) -{ - struct child_process cp = CHILD_PROCESS_INIT; - - argv_array_push(&cp.args, "clone"); - argv_array_push(&cp.args, "--no-checkout"); - if (quiet) - argv_array_push(&cp.args, "--quiet"); - if (progress) - argv_array_push(&cp.args, "--progress"); - if (depth && *depth) - argv_array_pushl(&cp.args, "--depth", depth, NULL); - if (reference->nr) { - struct string_list_item *item; - for_each_string_list_item(item, reference) - argv_array_pushl(&cp.args, "--reference", - item->string, NULL); - } - if (dissociate) - argv_array_push(&cp.args, "--dissociate"); - if (gitdir && *gitdir) - argv_array_pushl(&cp.args, "--separate-git-dir", gitdir, NULL); - - argv_array_push(&cp.args, "--"); - argv_array_push(&cp.args, url); - argv_array_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 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: - 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; - char *sm_alternate = NULL, *error_strategy = NULL; - - 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_END() - }; - - const char *const git_submodule_helper_usage[] = { - N_("git submodule--helper clone [--prefix=<path>] [--quiet] " - "[--reference <repository>] [--name <name>] [--depth <depth>] " - "--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 (!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)) - die(_("clone of '%s' into submodule path '%s' failed"), - url, path); - } else { - 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_const(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) { - 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; - const char *depth; - const char *recursive_prefix; - const char *prefix; - - /* 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 {0, MODULE_LIST_INIT, 0, \ - SUBMODULE_UPDATE_STRATEGY_INIT, 0, 0, -1, STRING_LIST_INIT_DUP, 0, \ - NULL, NULL, NULL, \ - NULL, 0, 0, 0, NULL, 0, 0, 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_const(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_const(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; - argv_array_push(&child->args, "submodule--helper"); - argv_array_push(&child->args, "clone"); - if (suc->progress) - argv_array_push(&child->args, "--progress"); - if (suc->quiet) - argv_array_push(&child->args, "--quiet"); - if (suc->prefix) - argv_array_pushl(&child->args, "--prefix", suc->prefix, NULL); - if (suc->recommend_shallow && sub->recommend_shallow == 1) - argv_array_push(&child->args, "--depth=1"); - argv_array_pushl(&child->args, "--path", sub->path, NULL); - argv_array_pushl(&child->args, "--name", sub->name, NULL); - argv_array_pushl(&child->args, "--url", url, NULL); - if (suc->references.nr) { - struct string_list_item *item; - for_each_string_list_item(item, &suc->references) - argv_array_pushl(&child->args, "--reference", item->string, NULL); - } - if (suc->dissociate) - argv_array_push(&child->args, "--dissociate"); - if (suc->depth) - argv_array_push(&child->args, suc->depth); - -cleanup: - strbuf_reset(&displaypath_sb); - strbuf_reset(&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_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_const(the_repository, key, &branch)) - branch = sub->branch; - free(key); - - if (!branch) - return "master"; - - 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; - 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(&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); -} - -#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}, - {"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}, -}; - -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]); -} |