diff options
Diffstat (limited to 'builtin/submodule--helper.c')
| -rw-r--r-- | builtin/submodule--helper.c | 365 |
1 files changed, 271 insertions, 94 deletions
diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c index 4beeda5f9f..06ed02f994 100644 --- a/builtin/submodule--helper.c +++ b/builtin/submodule--helper.c @@ -1,10 +1,11 @@ #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 "utf8.h" #include "submodule.h" #include "submodule-config.h" #include "string-list.h" @@ -16,9 +17,8 @@ static char *get_default_remote(void) { char *dest = NULL, *ret; - unsigned char sha1[20]; struct strbuf sb = STRBUF_INIT; - const char *refname = resolve_ref_unsafe("HEAD", 0, sha1, NULL); + const char *refname = resolve_ref_unsafe("HEAD", 0, NULL, NULL); if (!refname) die(_("No such ref: %s"), "HEAD"); @@ -233,8 +233,7 @@ static int module_list_compute(int argc, const char **argv, int i, result = 0; char *ps_matched = NULL; parse_pathspec(pathspec, 0, - PATHSPEC_PREFER_FULL | - PATHSPEC_STRIP_SUBMODULE_SLASH_CHEAP, + PATHSPEC_PREFER_FULL, prefix, argv); if (pathspec->nr) @@ -270,6 +269,27 @@ static int module_list_compute(int argc, const char **argv, 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 int module_list(int argc, const char **argv, const char *prefix) { int i; @@ -303,7 +323,7 @@ static int module_list(int argc, const char **argv, const char *prefix) printf("%06o %s %d\t", ce->ce_mode, oid_to_hex(&ce->oid), ce_stage(ce)); - utf8_fprintf(stdout, "%s\n", ce->name); + fprintf(stdout, "%s\n", ce->name); } return 0; } @@ -314,22 +334,35 @@ static void init_submodule(const char *path, const char *prefix, int quiet) struct strbuf sb = STRBUF_INIT; char *upd = NULL, *url = NULL, *displaypath; - /* Only loads from .gitmodules, no overlay with .git/config */ - gitmodules_config(); - - if (prefix) { - strbuf_addf(&sb, "%s%s", prefix, path); + if (prefix && get_super_prefix()) + die("BUG: cannot have prefix and superprefix"); + else if (prefix) + displaypath = xstrdup(relative_path(path, prefix, &sb)); + else if (get_super_prefix()) { + strbuf_addf(&sb, "%s%s", get_super_prefix(), path); displaypath = strbuf_detach(&sb, NULL); } else displaypath = xstrdup(path); - sub = submodule_from_path(null_sha1, path); + sub = submodule_from_path(&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_reset(&sb); + strbuf_addf(&sb, "submodule.%s.active", sub->name); + git_config_set_gently(sb.buf, "true"); + } + + /* * 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. @@ -337,12 +370,12 @@ static void init_submodule(const char *path, const char *prefix, int quiet) strbuf_reset(&sb); strbuf_addf(&sb, "submodule.%s.url", sub->name); if (git_config_get_string(sb.buf, &url)) { - url = xstrdup(sub->url); - - if (!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)) { @@ -352,12 +385,10 @@ static void init_submodule(const char *path, const char *prefix, int quiet) strbuf_addf(&remotesb, "remote.%s.url", remote); free(remote); - if (git_config_get_string(remotesb.buf, &remoteurl)) - /* - * The repository is its own - * authoritative upstream - */ + if (git_config_get_string(remotesb.buf, &remoteurl)) { + warning(_("could not lookup configuration '%s'. Assuming this repository is its own authoritative upstream."), remotesb.buf); remoteurl = xgetcwd(); + } relurl = relative_url(remoteurl, url, NULL); strbuf_release(&remotesb); free(remoteurl); @@ -403,9 +434,6 @@ static int module_init(int argc, const char **argv, const char *prefix) int i; struct option module_init_options[] = { - OPT_STRING(0, "prefix", &prefix, - N_("path"), - N_("alternative anchor for relative paths")), OPT__QUIET(&quiet, N_("Suppress output for initializing a submodule")), OPT_END() }; @@ -421,6 +449,13 @@ static int module_init(int argc, const char **argv, const char *prefix) 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); + for (i = 0; i < list.nr; i++) init_submodule(list.entries[i]->name, prefix, quiet); @@ -434,8 +469,7 @@ static int module_name(int argc, const char **argv, const char *prefix) if (argc != 2) usage(_("git submodule--helper name <path>")); - gitmodules_config(); - sub = submodule_from_path(null_sha1, argv[1]); + sub = submodule_from_path(&null_oid, argv[1]); if (!sub) die(_("no submodule mapping found in .gitmodules for path '%s'"), @@ -498,9 +532,9 @@ static int add_possible_reference_from_superproject( /* * If the alternate object store is another repository, try the - * standard layout with .git/modules/<name>/objects + * standard layout with .git/(modules/<name>)+/objects */ - if (ends_with(alt->path, ".git/objects")) { + if (ends_with(alt->path, "/objects")) { char *sm_alternate; struct strbuf sb = STRBUF_INIT; struct strbuf err = STRBUF_INIT; @@ -578,11 +612,10 @@ 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; - FILE *submodule_dot_git; char *p, *path = NULL, *sm_gitdir; - struct strbuf rel_path = STRBUF_INIT; struct strbuf sb = STRBUF_INIT; struct string_list reference = STRING_LIST_INIT_NODUP; + char *sm_alternate = NULL, *error_strategy = NULL; struct option module_clone_options[] = { OPT_STRING(0, "prefix", &prefix, @@ -624,7 +657,7 @@ static int module_clone(int argc, const char **argv, const char *prefix) module_clone_options); strbuf_addf(&sb, "%s/modules/%s", get_git_dir(), name); - sm_gitdir = xstrdup(absolute_path(sb.buf)); + sm_gitdir = absolute_pathdup(sb.buf); strbuf_reset(&sb); if (!is_absolute_path(path)) { @@ -651,29 +684,27 @@ static int module_clone(int argc, const char **argv, const char *prefix) strbuf_reset(&sb); } - /* Write a .git file in the submodule to redirect to the superproject. */ - strbuf_addf(&sb, "%s/.git", path); - if (safe_create_leading_directories_const(sb.buf) < 0) - die(_("could not create leading directories of '%s'"), sb.buf); - submodule_dot_git = fopen(sb.buf, "w"); - if (!submodule_dot_git) - die_errno(_("cannot open file '%s'"), sb.buf); - - fprintf_or_die(submodule_dot_git, "gitdir: %s\n", - relative_path(sm_gitdir, path, &rel_path)); - if (fclose(submodule_dot_git)) - die(_("could not close file %s"), sb.buf); - strbuf_reset(&sb); - strbuf_reset(&rel_path); + /* Connect module worktree and git dir */ + connect_work_tree_and_git_dir(path, sm_gitdir); - /* Redirect the worktree of the submodule in the superproject's config */ p = git_pathdup_submodule(path, "config"); if (!p) die(_("could not get submodule directory for '%s'"), path); - git_config_set_in_file(p, "core.worktree", - relative_path(path, sm_gitdir, &rel_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); - strbuf_release(&rel_path); free(sm_gitdir); free(path); free(p); @@ -742,10 +773,13 @@ static int prepare_to_clone_next_submodule(const struct cache_entry *ce, 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; - char *url = NULL; int needs_cloning = 0; if (ce_stage(ce)) { @@ -758,7 +792,7 @@ static int prepare_to_clone_next_submodule(const struct cache_entry *ce, goto cleanup; } - sub = submodule_from_path(null_sha1, ce->name); + sub = submodule_from_path(&null_oid, ce->name); if (suc->recursive_prefix) displaypath = relative_path(suc->recursive_prefix, @@ -771,28 +805,34 @@ static int prepare_to_clone_next_submodule(const struct cache_entry *ce, 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 - && sub->update_strategy.type == SM_UPDATE_NONE)) { + && update_type == SM_UPDATE_NONE)) { strbuf_addf(out, _("Skipping submodule '%s'"), displaypath); strbuf_addch(out, '\n'); goto cleanup; } - /* - * Looking up the url in .git/config. - * We must not fall back to .gitmodules as we only want - * to process configured submodules. - */ - strbuf_reset(&sb); - strbuf_addf(&sb, "submodule.%s.url", sub->name); - git_config_get_string(sb.buf, &url); - if (!url) { + /* 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)) + url = sub->url; + + strbuf_reset(&sb); strbuf_addf(&sb, "%s/.git", ce->name); needs_cloning = !file_exists(sb.buf); @@ -831,7 +871,6 @@ static int prepare_to_clone_next_submodule(const struct cache_entry *ce, argv_array_push(&child->args, suc->depth); cleanup: - free(url); strbuf_reset(&displaypath_sb); strbuf_reset(&sb); @@ -901,7 +940,7 @@ static int update_clone_task_finished(int result, const struct cache_entry *ce; struct submodule_update_clone *suc = suc_cb; - int *idxP = *(int**)idx_task_cb; + int *idxP = idx_task_cb; int idx = *idxP; free(idxP); @@ -931,10 +970,19 @@ static int update_clone_task_finished(int result, return 0; } +static int gitmodules_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 int update_clone(int argc, const char **argv, const char *prefix) { const char *update = NULL; - int max_jobs = -1; + int max_jobs = 1; struct string_list_item *item; struct pathspec pathspec; struct submodule_update_clone suc = SUBMODULE_UPDATE_CLONE_INIT; @@ -971,6 +1019,9 @@ static int update_clone(int argc, const char **argv, const char *prefix) }; suc.prefix = prefix; + config_from_gitmodules(gitmodules_update_clone_config, &max_jobs); + git_config(gitmodules_update_clone_config, &max_jobs); + argc = parse_options(argc, argv, prefix, module_update_clone_options, git_submodule_helper_usage, 0); @@ -984,13 +1035,6 @@ static int update_clone(int argc, const char **argv, const char *prefix) if (pathspec.nr) suc.warn_if_uninitialized = 1; - /* Overlay the parsed .gitmodules file with .git/config */ - gitmodules_config(); - git_config(submodule_config, NULL); - - if (max_jobs < 0) - max_jobs = parallel_submodules(); - run_processes_parallel(max_jobs, update_clone_get_next_task, update_clone_start_failure, @@ -1009,7 +1053,7 @@ static int update_clone(int argc, const char **argv, const char *prefix) return 1; for_each_string_list_item(item, &suc.projectlines) - utf8_fprintf(stdout, "%s", item->string); + fprintf(stdout, "%s", item->string); return 0; } @@ -1028,19 +1072,23 @@ static int resolve_relative_path(int argc, const char **argv, const char *prefix static const char *remote_submodule_branch(const char *path) { const struct submodule *sub; - gitmodules_config(); - git_config(submodule_config, NULL); + const char *branch = NULL; + char *key; - sub = submodule_from_path(null_sha1, path); + sub = submodule_from_path(&null_oid, path); if (!sub) return NULL; - if (!sub->branch) + 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(sub->branch, ".")) { - unsigned char sha1[20]; - const char *refname = resolve_ref_unsafe("HEAD", 0, sha1, NULL); + if (!strcmp(branch, ".")) { + const char *refname = resolve_ref_unsafe("HEAD", 0, NULL, NULL); if (!refname) die(_("No such ref: %s"), "HEAD"); @@ -1056,7 +1104,7 @@ static const char *remote_submodule_branch(const char *path) return refname; } - return sub->branch; + return branch; } static int resolve_remote_submodule_branch(int argc, const char **argv, @@ -1076,33 +1124,162 @@ static int resolve_remote_submodule_branch(int argc, const char **argv, 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.hash, 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, refspec_nr = argc - 2; + struct ref *local_refs = get_local_heads(); + struct refspec *refspec = parse_push_refspec(refspec_nr, + argv + 2); + + for (i = 0; i < refspec_nr; i++) { + struct refspec *rs = refspec + 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); + } + } + free_refspec(refspec_nr, refspec); + } + free(head); + + 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 embed-git-dir [<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(prefix, + 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]); +} + +#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}, - {"name", module_name}, - {"clone", module_clone}, - {"update-clone", update_clone}, - {"relative-path", resolve_relative_path}, - {"resolve-relative-url", resolve_relative_url}, - {"resolve-relative-url-test", resolve_relative_url_test}, - {"init", module_init}, - {"remote-branch", resolve_remote_submodule_branch} + {"list", module_list, 0}, + {"name", module_name, 0}, + {"clone", module_clone, 0}, + {"update-clone", update_clone, 0}, + {"relative-path", resolve_relative_path, 0}, + {"resolve-relative-url", resolve_relative_url, 0}, + {"resolve-relative-url-test", resolve_relative_url_test, 0}, + {"init", module_init, SUPPORT_SUPER_PREFIX}, + {"remote-branch", resolve_remote_submodule_branch, 0}, + {"push-check", push_check, 0}, + {"absorb-git-dirs", absorb_git_dirs, SUPPORT_SUPER_PREFIX}, + {"is-active", is_active, 0}, }; int cmd_submodule__helper(int argc, const char **argv, const char *prefix) { int i; - if (argc < 2) - die(_("submodule--helper subcommand must be " - "called with a subcommand")); - - for (i = 0; i < ARRAY_SIZE(commands); i++) - if (!strcmp(argv[1], commands[i].cmd)) + 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]); |