diff options
Diffstat (limited to 'builtin/submodule--helper.c')
-rw-r--r-- | builtin/submodule--helper.c | 545 |
1 files changed, 525 insertions, 20 deletions
diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c index 9f658a59a2..20ae9191ca 100644 --- a/builtin/submodule--helper.c +++ b/builtin/submodule--helper.c @@ -12,14 +12,17 @@ #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); @@ -50,6 +53,21 @@ static char *get_default_remote(void) 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]); @@ -358,6 +376,25 @@ static void module_list_active(struct module_list *list) *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; @@ -404,6 +441,149 @@ static void for_each_listed_submodule(const struct module_list *list, 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_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, PARSE_OPT_KEEP_UNKNOWN); + + 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; +} + struct init_cb { const char *prefix; unsigned int flags; @@ -420,7 +600,7 @@ static void init_submodule(const char *path, const char *prefix, displaypath = get_submodule_displaypath(path, prefix); - sub = submodule_from_path(&null_oid, path); + sub = submodule_from_path(the_repository, &null_oid, path); if (!sub) die(_("No url found for submodule path '%s' in .gitmodules"), @@ -561,8 +741,12 @@ static void print_status(unsigned int flags, char state, const char *path, printf("%c%s %s", state, oid_to_hex(oid), displaypath); - if (state == ' ' || state == '+') - printf(" (%s)", compute_rev_name(path, oid_to_hex(oid))); + if (state == ' ' || state == '+') { + const char *name = compute_rev_name(path, oid_to_hex(oid)); + + if (name) + printf(" (%s)", name); + } printf("\n"); } @@ -587,7 +771,7 @@ static void status_submodule(const char *path, const struct object_id *ce_oid, struct rev_info rev; int diff_files_result; - if (!submodule_from_path(&null_oid, path)) + if (!submodule_from_path(the_repository, &null_oid, path)) die(_("no submodule mapping found in .gitmodules for path '%s'"), path); @@ -620,9 +804,13 @@ static void status_submodule(const char *path, const struct object_id *ce_oid, displaypath); } else if (!(flags & OPT_CACHED)) { struct object_id oid; + struct ref_store *refs = get_submodule_ref_store(path); - if (refs_head_ref(get_submodule_ref_store(path), - handle_submodule_head_ref, &oid)) + 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); @@ -707,7 +895,7 @@ static int module_name(int argc, const char **argv, const char *prefix) if (argc != 2) usage(_("git submodule--helper name <path>")); - sub = submodule_from_path(&null_oid, argv[1]); + sub = submodule_from_path(the_repository, &null_oid, argv[1]); if (!sub) die(_("no submodule mapping found in .gitmodules for path '%s'"), @@ -718,8 +906,311 @@ static int module_name(int argc, const char **argv, const char *prefix) 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); + + 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, + const char *depth, struct string_list *reference, int dissociate, int quiet, int progress) { struct child_process cp = CHILD_PROCESS_INIT; @@ -738,6 +1229,8 @@ static int clone_submodule(const char *path, const char *gitdir, const char *url 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); @@ -853,6 +1346,7 @@ static int module_clone(int argc, const char **argv, const char *prefix) 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[] = { @@ -871,6 +1365,8 @@ static int module_clone(int argc, const char **argv, const char *prefix) 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")), @@ -910,7 +1406,7 @@ static int module_clone(int argc, const char **argv, const char *prefix) prepare_possible_alternates(name, &reference); - if (clone_submodule(path, sm_gitdir, url, depth, &reference, + if (clone_submodule(path, sm_gitdir, url, depth, &reference, dissociate, quiet, progress)) die(_("clone of '%s' into submodule path '%s' failed"), url, path); @@ -922,8 +1418,7 @@ static int module_clone(int argc, const char **argv, const char *prefix) strbuf_reset(&sb); } - /* Connect module worktree and git dir */ - connect_work_tree_and_git_dir(path, sm_gitdir); + connect_work_tree_and_git_dir(path, sm_gitdir, 0); p = git_pathdup_submodule(path, "config"); if (!p) @@ -963,6 +1458,7 @@ struct submodule_update_clone { int quiet; int recommend_shallow; struct string_list references; + int dissociate; const char *depth; const char *recursive_prefix; const char *prefix; @@ -978,7 +1474,7 @@ struct submodule_update_clone { int failed_clones_nr, failed_clones_alloc; }; #define SUBMODULE_UPDATE_CLONE_INIT {0, MODULE_LIST_INIT, 0, \ - SUBMODULE_UPDATE_STRATEGY_INIT, 0, 0, -1, STRING_LIST_INIT_DUP, \ + SUBMODULE_UPDATE_STRATEGY_INIT, 0, 0, -1, STRING_LIST_INIT_DUP, 0, \ NULL, NULL, NULL, \ STRING_LIST_INIT_DUP, 0, NULL, 0, 0} @@ -1030,7 +1526,7 @@ static int prepare_to_clone_next_submodule(const struct cache_entry *ce, goto cleanup; } - sub = submodule_from_path(&null_oid, ce->name); + sub = submodule_from_path(the_repository, &null_oid, ce->name); if (suc->recursive_prefix) displaypath = relative_path(suc->recursive_prefix, @@ -1105,6 +1601,8 @@ static int prepare_to_clone_next_submodule(const struct cache_entry *ce, 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); @@ -1238,6 +1736,8 @@ static int update_clone(int argc, const char **argv, const char *prefix) 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")), @@ -1313,7 +1813,7 @@ static const char *remote_submodule_branch(const char *path) const char *branch = NULL; char *key; - sub = submodule_from_path(&null_oid, path); + sub = submodule_from_path(the_repository, &null_oid, path); if (!sub) return NULL; @@ -1398,13 +1898,14 @@ static int push_check(int argc, const char **argv, const char *prefix) /* Check the refspec */ if (argc > 2) { - int i, refspec_nr = argc - 2; + int i; struct ref *local_refs = get_local_heads(); - struct refspec *refspec = parse_push_refspec(refspec_nr, - argv + 2); + struct refspec refspec = REFSPEC_INIT_PUSH; + + refspec_appendn(&refspec, argv + 2, argc - 2); - for (i = 0; i < refspec_nr; i++) { - struct refspec *rs = refspec + i; + for (i = 0; i < refspec.nr; i++) { + const struct refspec_item *rs = &refspec.items[i]; if (rs->pattern || rs->matching) continue; @@ -1431,7 +1932,7 @@ static int push_check(int argc, const char **argv, const char *prefix) rs->src); } } - free_refspec(refspec_nr, refspec); + refspec_clear(&refspec); } free(head); @@ -1519,8 +2020,12 @@ static struct cmd_struct commands[] = { {"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}, |