diff options
Diffstat (limited to 'submodule.c')
| -rw-r--r-- | submodule.c | 210 |
1 files changed, 171 insertions, 39 deletions
diff --git a/submodule.c b/submodule.c index 9a28060679..2f55436234 100644 --- a/submodule.c +++ b/submodule.c @@ -63,6 +63,9 @@ static int add_submodule_odb(const char *path) alt_odb->name[40] = '\0'; alt_odb->name[41] = '\0'; alt_odb_list = alt_odb; + + /* add possible alternates from the submodule */ + read_info_alternates(objects_directory.buf, 0); prepare_alt_odb(); done: strbuf_release(&objects_directory); @@ -255,7 +258,7 @@ int parse_fetch_recurse_submodules_arg(const char *opt, const char *arg) void show_submodule_summary(FILE *f, const char *path, unsigned char one[20], unsigned char two[20], - unsigned dirty_submodule, + unsigned dirty_submodule, const char *meta, const char *del, const char *add, const char *reset) { struct rev_info rev; @@ -289,15 +292,15 @@ void show_submodule_summary(FILE *f, const char *path, return; } - strbuf_addf(&sb, "Submodule %s %s..", path, + strbuf_addf(&sb, "%sSubmodule %s %s..", meta, path, find_unique_abbrev(one, DEFAULT_ABBREV)); if (!fast_backward && !fast_forward) strbuf_addch(&sb, '.'); strbuf_addf(&sb, "%s", find_unique_abbrev(two, DEFAULT_ABBREV)); if (message) - strbuf_addf(&sb, " %s\n", message); + strbuf_addf(&sb, " %s%s\n", message, reset); else - strbuf_addf(&sb, "%s:\n", fast_backward ? " (rewind)" : ""); + strbuf_addf(&sb, "%s:%s\n", fast_backward ? " (rewind)" : "", reset); fwrite(sb.buf, sb.len, 1, f); if (!message) { @@ -357,21 +360,19 @@ static void collect_submodules_from_diff(struct diff_queue_struct *q, void *data) { int i; - int *needs_pushing = data; + struct string_list *needs_pushing = data; for (i = 0; i < q->nr; i++) { struct diff_filepair *p = q->queue[i]; if (!S_ISGITLINK(p->two->mode)) continue; - if (submodule_needs_pushing(p->two->path, p->two->sha1)) { - *needs_pushing = 1; - break; - } + if (submodule_needs_pushing(p->two->path, p->two->sha1)) + string_list_insert(needs_pushing, p->two->path); } } - -static void commit_need_pushing(struct commit *commit, int *needs_pushing) +static void find_unpushed_submodule_commits(struct commit *commit, + struct string_list *needs_pushing) { struct rev_info rev; @@ -382,14 +383,15 @@ static void commit_need_pushing(struct commit *commit, int *needs_pushing) diff_tree_combined_merge(commit, 1, &rev); } -int check_submodule_needs_pushing(unsigned char new_sha1[20], const char *remotes_name) +int find_unpushed_submodules(unsigned char new_sha1[20], + const char *remotes_name, struct string_list *needs_pushing) { struct rev_info rev; struct commit *commit; const char *argv[] = {NULL, NULL, "--not", "NULL", NULL}; int argc = ARRAY_SIZE(argv) - 1; char *sha1_copy; - int needs_pushing = 0; + struct strbuf remotes_arg = STRBUF_INIT; strbuf_addf(&remotes_arg, "--remotes=%s", remotes_name); @@ -401,13 +403,62 @@ int check_submodule_needs_pushing(unsigned char new_sha1[20], const char *remote if (prepare_revision_walk(&rev)) die("revision walk setup failed"); - while ((commit = get_revision(&rev)) && !needs_pushing) - commit_need_pushing(commit, &needs_pushing); + while ((commit = get_revision(&rev)) != NULL) + find_unpushed_submodule_commits(commit, needs_pushing); + reset_revision_walk(); free(sha1_copy); strbuf_release(&remotes_arg); - return needs_pushing; + return needs_pushing->nr; +} + +static int push_submodule(const char *path) +{ + if (add_submodule_odb(path)) + return 1; + + if (for_each_remote_ref_submodule(path, has_remote, NULL) > 0) { + struct child_process cp; + const char *argv[] = {"push", NULL}; + + memset(&cp, 0, sizeof(cp)); + cp.argv = argv; + cp.env = local_repo_env; + cp.git_cmd = 1; + cp.no_stdin = 1; + cp.dir = path; + if (run_command(&cp)) + return 0; + close(cp.out); + } + + return 1; +} + +int push_unpushed_submodules(unsigned char new_sha1[20], const char *remotes_name) +{ + int i, ret = 1; + struct string_list needs_pushing; + + memset(&needs_pushing, 0, sizeof(struct string_list)); + needs_pushing.strdup_strings = 1; + + if (!find_unpushed_submodules(new_sha1, remotes_name, &needs_pushing)) + return 1; + + for (i = 0; i < needs_pushing.nr; i++) { + const char *path = needs_pushing.items[i].string; + fprintf(stderr, "Pushing submodule '%s'\n", path); + if (!push_submodule(path)) { + fprintf(stderr, "Unable to push submodule '%s'\n", path); + ret = 0; + } + } + + string_list_clear(&needs_pushing, 0); + + return ret; } static int is_submodule_commit_present(const char *path, unsigned char sha1[20]) @@ -523,8 +574,7 @@ static void calculate_changed_submodule_paths(void) DIFF_OPT_SET(&diff_opts, RECURSIVE); diff_opts.output_format |= DIFF_FORMAT_CALLBACK; diff_opts.format_callback = submodule_collect_changed_cb; - if (diff_setup_done(&diff_opts) < 0) - die("diff_setup_done failed"); + diff_setup_done(&diff_opts); diff_tree_sha1(parent->item->object.sha1, commit->object.sha1, "", &diff_opts); diffcore_std(&diff_opts); diff_flush(&diff_opts); @@ -538,13 +588,13 @@ static void calculate_changed_submodule_paths(void) initialized_fetch_ref_tips = 0; } -int fetch_populated_submodules(int num_options, const char **options, +int fetch_populated_submodules(const struct argv_array *options, const char *prefix, int command_line_option, int quiet) { - int i, result = 0, argc = 0, default_argc; + int i, result = 0; struct child_process cp; - const char **argv; + struct argv_array argv = ARGV_ARRAY_INIT; struct string_list_item *name_for_path; const char *work_tree = get_git_work_tree(); if (!work_tree) @@ -554,17 +604,13 @@ int fetch_populated_submodules(int num_options, const char **options, if (read_cache() < 0) die("index file corrupt"); - /* 6: "fetch" (options) --recurse-submodules-default default "--submodule-prefix" prefix NULL */ - argv = xcalloc(num_options + 6, sizeof(const char *)); - argv[argc++] = "fetch"; - for (i = 0; i < num_options; i++) - argv[argc++] = options[i]; - argv[argc++] = "--recurse-submodules-default"; - default_argc = argc++; - argv[argc++] = "--submodule-prefix"; + argv_array_push(&argv, "fetch"); + for (i = 0; i < options->argc; i++) + argv_array_push(&argv, options->argv[i]); + argv_array_push(&argv, "--recurse-submodules-default"); + /* default value, "--submodule-prefix" and its value are added later */ memset(&cp, 0, sizeof(cp)); - cp.argv = argv; cp.env = local_repo_env; cp.git_cmd = 1; cp.no_stdin = 1; @@ -624,16 +670,21 @@ int fetch_populated_submodules(int num_options, const char **options, if (!quiet) printf("Fetching submodule %s%s\n", prefix, ce->name); cp.dir = submodule_path.buf; - argv[default_argc] = default_argv; - argv[argc] = submodule_prefix.buf; + argv_array_push(&argv, default_argv); + argv_array_push(&argv, "--submodule-prefix"); + argv_array_push(&argv, submodule_prefix.buf); + cp.argv = argv.argv; if (run_command(&cp)) result = 1; + argv_array_pop(&argv); + argv_array_pop(&argv); + argv_array_pop(&argv); } strbuf_release(&submodule_path); strbuf_release(&submodule_git_dir); strbuf_release(&submodule_prefix); } - free(argv); + argv_array_clear(&argv); out: string_list_clear(&changed_submodule_paths, 1); return result; @@ -708,6 +759,86 @@ unsigned is_submodule_modified(const char *path, int ignore_untracked) return dirty_submodule; } +int submodule_uses_gitfile(const char *path) +{ + struct child_process cp; + const char *argv[] = { + "submodule", + "foreach", + "--quiet", + "--recursive", + "test -f .git", + NULL, + }; + struct strbuf buf = STRBUF_INIT; + const char *git_dir; + + strbuf_addf(&buf, "%s/.git", path); + git_dir = read_gitfile(buf.buf); + if (!git_dir) { + strbuf_release(&buf); + return 0; + } + strbuf_release(&buf); + + /* Now test that all nested submodules use a gitfile too */ + memset(&cp, 0, sizeof(cp)); + cp.argv = argv; + cp.env = local_repo_env; + cp.git_cmd = 1; + cp.no_stdin = 1; + cp.no_stderr = 1; + cp.no_stdout = 1; + cp.dir = path; + if (run_command(&cp)) + return 0; + + return 1; +} + +int ok_to_remove_submodule(const char *path) +{ + struct stat st; + ssize_t len; + struct child_process cp; + const char *argv[] = { + "status", + "--porcelain", + "-u", + "--ignore-submodules=none", + NULL, + }; + struct strbuf buf = STRBUF_INIT; + int ok_to_remove = 1; + + if ((lstat(path, &st) < 0) || is_empty_dir(path)) + return 1; + + if (!submodule_uses_gitfile(path)) + return 0; + + memset(&cp, 0, sizeof(cp)); + cp.argv = argv; + cp.env = local_repo_env; + cp.git_cmd = 1; + cp.no_stdin = 1; + cp.out = -1; + cp.dir = path; + if (start_command(&cp)) + die("Could not run 'git status --porcelain -uall --ignore-submodules=none' in submodule %s", path); + + len = strbuf_read(&buf, cp.out, 1024); + if (len > 2) + ok_to_remove = 0; + close(cp.out); + + if (finish_command(&cp)) + die("'git status --porcelain -uall --ignore-submodules=none' failed in submodule %s", path); + + strbuf_release(&buf); + return ok_to_remove; +} + static int find_first_merges(struct object_array *result, const char *path, struct commit *a, struct commit *b) { @@ -738,9 +869,10 @@ static int find_first_merges(struct object_array *result, const char *path, die("revision walk setup failed"); while ((commit = get_revision(&revs)) != NULL) { struct object *o = &(commit->object); - if (in_merge_bases(b, &commit, 1)) + if (in_merge_bases(b, commit)) add_object_array(o, NULL, &merges); } + reset_revision_walk(); /* Now we've got all merges that contain a and b. Prune all * merges that contain another found merge and save them in @@ -752,7 +884,7 @@ static int find_first_merges(struct object_array *result, const char *path, contains_another = 0; for (j = 0; j < merges.nr; j++) { struct commit *m2 = (struct commit *) merges.objects[j].item; - if (i != j && in_merge_bases(m2, &m1, 1)) { + if (i != j && in_merge_bases(m2, m1)) { contains_another = 1; break; } @@ -814,18 +946,18 @@ int merge_submodule(unsigned char result[20], const char *path, } /* check whether both changes are forward */ - if (!in_merge_bases(commit_base, &commit_a, 1) || - !in_merge_bases(commit_base, &commit_b, 1)) { + if (!in_merge_bases(commit_base, commit_a) || + !in_merge_bases(commit_base, commit_b)) { MERGE_WARNING(path, "commits don't follow merge-base"); return 0; } /* Case #1: a is contained in b or vice versa */ - if (in_merge_bases(commit_a, &commit_b, 1)) { + if (in_merge_bases(commit_a, commit_b)) { hashcpy(result, b); return 1; } - if (in_merge_bases(commit_b, &commit_a, 1)) { + if (in_merge_bases(commit_b, commit_a)) { hashcpy(result, a); return 1; } |