diff options
Diffstat (limited to 'submodule.c')
-rw-r--r-- | submodule.c | 727 |
1 files changed, 504 insertions, 223 deletions
diff --git a/submodule.c b/submodule.c index 37d29bb252..b561445329 100644 --- a/submodule.c +++ b/submodule.c @@ -1,4 +1,3 @@ -#define NO_THE_INDEX_COMPATIBILITY_MACROS #include "cache.h" #include "repository.h" @@ -13,8 +12,8 @@ #include "diffcore.h" #include "refs.h" #include "string-list.h" -#include "sha1-array.h" -#include "argv-array.h" +#include "oid-array.h" +#include "strvec.h" #include "blob.h" #include "thread-utils.h" #include "quote.h" @@ -25,7 +24,6 @@ #include "commit-reach.h" static int config_update_recurse_submodules = RECURSE_SUBMODULES_OFF; -static struct string_list changed_submodule_names = STRING_LIST_INIT_DUP; static int initialized_fetch_ref_tips; static struct oid_array ref_tips_before_fetch; static struct oid_array ref_tips_after_fetch; @@ -84,7 +82,7 @@ int is_staging_gitmodules_ok(struct index_state *istate) if ((pos >= 0) && (pos < istate->cache_nr)) { struct stat st; if (lstat(GITMODULES_FILE, &st) == 0 && - ie_match_stat(istate, istate->cache[pos], &st, 0) & DATA_CHANGED) + ie_modified(istate, istate->cache[pos], &st, 0) & DATA_CHANGED) return 0; } @@ -196,7 +194,7 @@ void set_diffopt_flags_from_submodule_config(struct diff_options *diffopt, char *key; key = xstrfmt("submodule.%s.ignore", submodule->name); - if (repo_config_get_string_const(the_repository, key, &ignore)) + if (repo_config_get_string_tmp(the_repository, key, &ignore)) ignore = submodule->ignore; free(key); @@ -264,17 +262,17 @@ int is_submodule_active(struct repository *repo, const char *path) sl = repo_config_get_value_multi(repo, "submodule.active"); if (sl) { struct pathspec ps; - struct argv_array args = ARGV_ARRAY_INIT; + struct strvec args = STRVEC_INIT; const struct string_list_item *item; for_each_string_list_item(item, sl) { - argv_array_push(&args, item->string); + strvec_push(&args, item->string); } - parse_pathspec(&ps, 0, 0, NULL, args.argv); + parse_pathspec(&ps, 0, 0, NULL, args.v); ret = match_pathspec(repo->index, &ps, path, strlen(path), 0, NULL, 1); - argv_array_clear(&args); + strvec_clear(&args); clear_pathspec(&ps); return ret; } @@ -433,16 +431,21 @@ void handle_ignore_submodules_arg(struct diff_options *diffopt, else if (!strcmp(arg, "dirty")) diffopt->flags.ignore_dirty_submodules = 1; else if (strcmp(arg, "none")) - die("bad --ignore-submodules argument: %s", arg); + die(_("bad --ignore-submodules argument: %s"), arg); + /* + * Please update _git_status() in git-completion.bash when you + * add new options + */ } -static int prepare_submodule_summary(struct rev_info *rev, const char *path, - struct commit *left, struct commit *right, - struct commit_list *merge_bases) +static int prepare_submodule_diff_summary(struct repository *r, struct rev_info *rev, + const char *path, + struct commit *left, struct commit *right, + struct commit_list *merge_bases) { struct commit_list *list; - repo_init_revisions(the_repository, rev, NULL); + repo_init_revisions(r, rev, NULL); setup_revisions(0, NULL, rev, NULL); rev->left_right = 1; rev->first_parent_only = 1; @@ -457,7 +460,7 @@ static int prepare_submodule_summary(struct rev_info *rev, const char *path, return prepare_revision_walk(rev); } -static void print_submodule_summary(struct rev_info *rev, struct diff_options *o) +static void print_submodule_diff_summary(struct repository *r, struct rev_info *rev, struct diff_options *o) { static const char format[] = " %m %s"; struct strbuf sb = STRBUF_INIT; @@ -468,7 +471,8 @@ static void print_submodule_summary(struct rev_info *rev, struct diff_options *o ctx.date_mode = rev->date_mode; ctx.output_encoding = get_log_output_encoding(); strbuf_setlen(&sb, 0); - format_commit_message(commit, format, &sb, &ctx); + repo_format_commit_message(r, commit, format, &sb, + &ctx); strbuf_addch(&sb, '\n'); if (commit->object.flags & SYMMETRIC_LEFT) diff_emit_submodule_del(o, sb.buf); @@ -478,31 +482,69 @@ static void print_submodule_summary(struct rev_info *rev, struct diff_options *o strbuf_release(&sb); } -static void prepare_submodule_repo_env_no_git_dir(struct argv_array *out) +static void prepare_submodule_repo_env_no_git_dir(struct strvec *out) { const char * const *var; for (var = local_repo_env; *var; var++) { if (strcmp(*var, CONFIG_DATA_ENVIRONMENT)) - argv_array_push(out, *var); + strvec_push(out, *var); } } -void prepare_submodule_repo_env(struct argv_array *out) +void prepare_submodule_repo_env(struct strvec *out) { prepare_submodule_repo_env_no_git_dir(out); - argv_array_pushf(out, "%s=%s", GIT_DIR_ENVIRONMENT, - DEFAULT_GIT_DIR_ENVIRONMENT); + strvec_pushf(out, "%s=%s", GIT_DIR_ENVIRONMENT, + DEFAULT_GIT_DIR_ENVIRONMENT); +} + +static void prepare_submodule_repo_env_in_gitdir(struct strvec *out) +{ + prepare_submodule_repo_env_no_git_dir(out); + strvec_pushf(out, "%s=.", GIT_DIR_ENVIRONMENT); +} + +/* + * Initialize a repository struct for a submodule based on the provided 'path'. + * + * Unlike repo_submodule_init, this tolerates submodules not present + * in .gitmodules. This function exists only to preserve historical behavior, + * + * Returns the repository struct on success, + * NULL when the submodule is not present. + */ +static struct repository *open_submodule(const char *path) +{ + struct strbuf sb = STRBUF_INIT; + struct repository *out = xmalloc(sizeof(*out)); + + if (submodule_to_gitdir(&sb, path) || repo_init(out, sb.buf, NULL)) { + strbuf_release(&sb); + free(out); + return NULL; + } + + /* Mark it as a submodule */ + out->submodule_prefix = xstrdup(path); + + strbuf_release(&sb); + return out; } -/* Helper function to display the submodule header line prior to the full - * summary output. If it can locate the submodule objects directory it will - * attempt to lookup both the left and right commits and put them into the - * left and right pointers. +/* + * Helper function to display the submodule header line prior to the full + * summary output. + * + * If it can locate the submodule git directory it will create a repository + * handle for the submodule and lookup both the left and right commits and + * put them into the left and right pointers. */ -static void show_submodule_header(struct diff_options *o, const char *path, +static void show_submodule_header(struct diff_options *o, + const char *path, struct object_id *one, struct object_id *two, unsigned dirty_submodule, + struct repository *sub, struct commit **left, struct commit **right, struct commit_list **merge_bases) { @@ -521,7 +563,7 @@ static void show_submodule_header(struct diff_options *o, const char *path, else if (is_null_oid(two)) message = "(submodule deleted)"; - if (add_submodule_odb(path)) { + if (!sub) { if (!message) message = "(commits not present)"; goto output_header; @@ -531,8 +573,8 @@ static void show_submodule_header(struct diff_options *o, const char *path, * Attempt to lookup the commit references, and determine if this is * a fast forward or fast backwards update. */ - *left = lookup_commit_reference(the_repository, one); - *right = lookup_commit_reference(the_repository, two); + *left = lookup_commit_reference(sub, one); + *right = lookup_commit_reference(sub, two); /* * Warn about missing commits in the submodule project, but only if @@ -542,7 +584,7 @@ static void show_submodule_header(struct diff_options *o, const char *path, (!is_null_oid(two) && !*right)) message = "(commits not present)"; - *merge_bases = get_merge_bases(*left, *right); + *merge_bases = repo_get_merge_bases(sub, *left, *right); if (*merge_bases) { if ((*merge_bases)->item == *left) fast_forward = 1; @@ -569,38 +611,44 @@ output_header: strbuf_release(&sb); } -void show_submodule_summary(struct diff_options *o, const char *path, +void show_submodule_diff_summary(struct diff_options *o, const char *path, struct object_id *one, struct object_id *two, unsigned dirty_submodule) { struct rev_info rev; struct commit *left = NULL, *right = NULL; struct commit_list *merge_bases = NULL; + struct repository *sub; + sub = open_submodule(path); show_submodule_header(o, path, one, two, dirty_submodule, - &left, &right, &merge_bases); + sub, &left, &right, &merge_bases); /* * If we don't have both a left and a right pointer, there is no * reason to try and display a summary. The header line should contain * all the information the user needs. */ - if (!left || !right) + if (!left || !right || !sub) goto out; /* Treat revision walker failure the same as missing commits */ - if (prepare_submodule_summary(&rev, path, left, right, merge_bases)) { + if (prepare_submodule_diff_summary(sub, &rev, path, left, right, merge_bases)) { diff_emit_submodule_error(o, "(revision walker failed)\n"); goto out; } - print_submodule_summary(&rev, o); + print_submodule_diff_summary(sub, &rev, o); out: if (merge_bases) free_commit_list(merge_bases); clear_commit_marks(left, ~0); clear_commit_marks(right, ~0); + if (sub) { + repo_clear(sub); + free(sub); + } } void show_submodule_inline_diff(struct diff_options *o, const char *path, @@ -612,9 +660,11 @@ void show_submodule_inline_diff(struct diff_options *o, const char *path, struct commit_list *merge_bases = NULL; struct child_process cp = CHILD_PROCESS_INIT; struct strbuf sb = STRBUF_INIT; + struct repository *sub; + sub = open_submodule(path); show_submodule_header(o, path, one, two, dirty_submodule, - &left, &right, &merge_bases); + sub, &left, &right, &merge_bases); /* We need a valid left and right commit to display a difference */ if (!(left || is_null_oid(one)) || @@ -632,22 +682,22 @@ void show_submodule_inline_diff(struct diff_options *o, const char *path, cp.no_stdin = 1; /* TODO: other options may need to be passed here. */ - argv_array_pushl(&cp.args, "diff", "--submodule=diff", NULL); - argv_array_pushf(&cp.args, "--color=%s", want_color(o->use_color) ? + strvec_pushl(&cp.args, "diff", "--submodule=diff", NULL); + strvec_pushf(&cp.args, "--color=%s", want_color(o->use_color) ? "always" : "never"); if (o->flags.reverse_diff) { - argv_array_pushf(&cp.args, "--src-prefix=%s%s/", - o->b_prefix, path); - argv_array_pushf(&cp.args, "--dst-prefix=%s%s/", - o->a_prefix, path); + strvec_pushf(&cp.args, "--src-prefix=%s%s/", + o->b_prefix, path); + strvec_pushf(&cp.args, "--dst-prefix=%s%s/", + o->a_prefix, path); } else { - argv_array_pushf(&cp.args, "--src-prefix=%s%s/", - o->a_prefix, path); - argv_array_pushf(&cp.args, "--dst-prefix=%s%s/", - o->b_prefix, path); + strvec_pushf(&cp.args, "--src-prefix=%s%s/", + o->a_prefix, path); + strvec_pushf(&cp.args, "--dst-prefix=%s%s/", + o->b_prefix, path); } - argv_array_push(&cp.args, oid_to_hex(old_oid)); + strvec_push(&cp.args, oid_to_hex(old_oid)); /* * If the submodule has modified content, we will diff against the * work tree, under the assumption that the user has asked for the @@ -655,7 +705,7 @@ void show_submodule_inline_diff(struct diff_options *o, const char *path, * haven't yet been committed to the submodule yet. */ if (!(dirty_submodule & DIRTY_SUBMODULE_MODIFIED)) - argv_array_push(&cp.args, oid_to_hex(new_oid)); + strvec_push(&cp.args, oid_to_hex(new_oid)); prepare_submodule_repo_env(&cp.env_array); if (start_command(&cp)) @@ -675,6 +725,10 @@ done: clear_commit_marks(left, ~0); if (right) clear_commit_marks(right, ~0); + if (sub) { + repo_clear(sub); + free(sub); + } } int should_update_submodules(void) @@ -759,9 +813,9 @@ static void collect_changed_submodules_cb(struct diff_queue_struct *q, submodule = submodule_from_name(me->repo, commit_oid, name); if (submodule) { - warning("Submodule in commit %s at path: " + warning(_("Submodule in commit %s at path: " "'%s' collides with a submodule named " - "the same. Skipping it.", + "the same. Skipping it."), oid_to_hex(commit_oid), p->two->path); name = NULL; } @@ -783,15 +837,22 @@ static void collect_changed_submodules_cb(struct diff_queue_struct *q, */ static void collect_changed_submodules(struct repository *r, struct string_list *changed, - struct argv_array *argv) + struct strvec *argv) { struct rev_info rev; const struct commit *commit; + int save_warning; + struct setup_revision_opt s_r_opt = { + .assume_dashdash = 1, + }; + save_warning = warn_on_object_refname_ambiguity; + warn_on_object_refname_ambiguity = 0; repo_init_revisions(r, &rev, NULL); - setup_revisions(argv->argc, argv->argv, &rev, NULL); + setup_revisions(argv->nr, argv->v, &rev, &s_r_opt); + warn_on_object_refname_ambiguity = save_warning; if (prepare_revision_walk(&rev)) - die("revision walk setup failed"); + die(_("revision walk setup failed")); while ((commit = get_revision(&rev))) { struct rev_info diff_rev; @@ -804,7 +865,8 @@ static void collect_changed_submodules(struct repository *r, diff_rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK; diff_rev.diffopt.format_callback = collect_changed_submodules_cb; diff_rev.diffopt.format_callback_data = &data; - diff_tree_combined_merge(commit, 1, &diff_rev); + diff_rev.dense_combined_merges = 1; + diff_tree_combined_merge(commit, &diff_rev); } reset_revision_walk(); @@ -826,8 +888,8 @@ static int has_remote(const char *refname, const struct object_id *oid, static int append_oid_to_argv(const struct object_id *oid, void *data) { - struct argv_array *argv = data; - argv_array_push(argv, oid_to_hex(oid)); + struct strvec *argv = data; + strvec_push(argv, oid_to_hex(oid)); return 0; } @@ -888,9 +950,9 @@ static int submodule_has_commits(struct repository *r, struct child_process cp = CHILD_PROCESS_INIT; struct strbuf out = STRBUF_INIT; - argv_array_pushl(&cp.args, "rev-list", "-n", "1", NULL); + strvec_pushl(&cp.args, "rev-list", "-n", "1", NULL); oid_array_for_each_unique(commits, append_oid_to_argv, &cp.args); - argv_array_pushl(&cp.args, "--not", "--all", NULL); + strvec_pushl(&cp.args, "--not", "--all", NULL); prepare_submodule_repo_env(&cp.env_array); cp.git_cmd = 1; @@ -929,9 +991,9 @@ static int submodule_needs_pushing(struct repository *r, struct strbuf buf = STRBUF_INIT; int needs_pushing = 0; - argv_array_push(&cp.args, "rev-list"); + strvec_push(&cp.args, "rev-list"); oid_array_for_each_unique(commits, append_oid_to_argv, &cp.args); - argv_array_pushl(&cp.args, "--not", "--remotes", "-n", "1" , NULL); + strvec_pushl(&cp.args, "--not", "--remotes", "-n", "1" , NULL); prepare_submodule_repo_env(&cp.env_array); cp.git_cmd = 1; @@ -939,9 +1001,9 @@ static int submodule_needs_pushing(struct repository *r, cp.out = -1; cp.dir = path; if (start_command(&cp)) - die("Could not run 'git rev-list <commits> --not --remotes -n 1' command in submodule %s", + die(_("Could not run 'git rev-list <commits> --not --remotes -n 1' command in submodule %s"), path); - if (strbuf_read(&buf, cp.out, 41)) + if (strbuf_read(&buf, cp.out, the_hash_algo->hexsz + 1)) needs_pushing = 1; finish_command(&cp); close(cp.out); @@ -959,13 +1021,13 @@ int find_unpushed_submodules(struct repository *r, { struct string_list submodules = STRING_LIST_INIT_DUP; struct string_list_item *name; - struct argv_array argv = ARGV_ARRAY_INIT; + struct strvec argv = STRVEC_INIT; - /* argv.argv[0] will be ignored by setup_revisions */ - argv_array_push(&argv, "find_unpushed_submodules"); + /* argv.v[0] will be ignored by setup_revisions */ + strvec_push(&argv, "find_unpushed_submodules"); oid_array_for_each_unique(commits, append_oid_to_argv, &argv); - argv_array_push(&argv, "--not"); - argv_array_pushf(&argv, "--remotes=%s", remotes_name); + strvec_push(&argv, "--not"); + strvec_pushf(&argv, "--remotes=%s", remotes_name); collect_changed_submodules(r, &submodules, &argv); @@ -988,7 +1050,7 @@ int find_unpushed_submodules(struct repository *r, } free_submodules_oids(&submodules); - argv_array_clear(&argv); + strvec_clear(&argv); return needs_pushing->nr; } @@ -999,27 +1061,24 @@ static int push_submodule(const char *path, const struct string_list *push_options, int dry_run) { - if (add_submodule_odb(path)) - return 1; - if (for_each_remote_ref_submodule(path, has_remote, NULL) > 0) { struct child_process cp = CHILD_PROCESS_INIT; - argv_array_push(&cp.args, "push"); + strvec_push(&cp.args, "push"); if (dry_run) - argv_array_push(&cp.args, "--dry-run"); + strvec_push(&cp.args, "--dry-run"); if (push_options && push_options->nr) { const struct string_list_item *item; for_each_string_list_item(item, push_options) - argv_array_pushf(&cp.args, "--push-option=%s", - item->string); + strvec_pushf(&cp.args, "--push-option=%s", + item->string); } if (remote->origin != REMOTE_UNCONFIGURED) { int i; - argv_array_push(&cp.args, remote->name); + strvec_push(&cp.args, remote->name); for (i = 0; i < rs->raw_nr; i++) - argv_array_push(&cp.args, rs->raw[i]); + strvec_push(&cp.args, rs->raw[i]); } prepare_submodule_repo_env(&cp.env_array); @@ -1045,13 +1104,13 @@ static void submodule_push_check(const char *path, const char *head, struct child_process cp = CHILD_PROCESS_INIT; int i; - argv_array_push(&cp.args, "submodule--helper"); - argv_array_push(&cp.args, "push-check"); - argv_array_push(&cp.args, head); - argv_array_push(&cp.args, remote->name); + strvec_push(&cp.args, "submodule--helper"); + strvec_push(&cp.args, "push-check"); + strvec_push(&cp.args, head); + strvec_push(&cp.args, remote->name); for (i = 0; i < rs->raw_nr; i++) - argv_array_push(&cp.args, rs->raw[i]); + strvec_push(&cp.args, rs->raw[i]); prepare_submodule_repo_env(&cp.env_array); cp.git_cmd = 1; @@ -1065,7 +1124,7 @@ static void submodule_push_check(const char *path, const char *head, * child process. */ if (run_command(&cp)) - die("process for submodule '%s' failed", path); + die(_("process for submodule '%s' failed"), path); } int push_unpushed_submodules(struct repository *r, @@ -1105,10 +1164,10 @@ int push_unpushed_submodules(struct repository *r, /* Actually push the submodules */ for (i = 0; i < needs_pushing.nr; i++) { const char *path = needs_pushing.items[i].string; - fprintf(stderr, "Pushing submodule '%s'\n", path); + fprintf(stderr, _("Pushing submodule '%s'\n"), path); if (!push_submodule(path, remote, rs, push_options, dry_run)) { - fprintf(stderr, "Unable to push submodule '%s'\n", path); + fprintf(stderr, _("Unable to push submodule '%s'\n"), path); ret = 0; } } @@ -1136,20 +1195,20 @@ void check_for_new_submodule_commits(struct object_id *oid) oid_array_append(&ref_tips_after_fetch, oid); } -static void calculate_changed_submodule_paths(struct repository *r) +static void calculate_changed_submodule_paths(struct repository *r, + struct string_list *changed_submodule_names) { - struct argv_array argv = ARGV_ARRAY_INIT; - struct string_list changed_submodules = STRING_LIST_INIT_DUP; - const struct string_list_item *name; + struct strvec argv = STRVEC_INIT; + struct string_list_item *name; /* No need to check if there are no submodules configured */ if (!submodule_from_path(r, NULL, NULL)) return; - argv_array_push(&argv, "--"); /* argv[0] program name */ + strvec_push(&argv, "--"); /* argv[0] program name */ oid_array_for_each_unique(&ref_tips_after_fetch, append_oid_to_argv, &argv); - argv_array_push(&argv, "--not"); + strvec_push(&argv, "--not"); oid_array_for_each_unique(&ref_tips_before_fetch, append_oid_to_argv, &argv); @@ -1157,9 +1216,9 @@ static void calculate_changed_submodule_paths(struct repository *r) * Collect all submodules (whether checked out or not) for which new * commits have been recorded upstream in "changed_submodule_names". */ - collect_changed_submodules(r, &changed_submodules, &argv); + collect_changed_submodules(r, changed_submodule_names, &argv); - for_each_string_list_item(name, &changed_submodules) { + for_each_string_list_item(name, changed_submodule_names) { struct oid_array *commits = name->util; const struct submodule *submodule; const char *path = NULL; @@ -1173,12 +1232,15 @@ static void calculate_changed_submodule_paths(struct repository *r) if (!path) continue; - if (!submodule_has_commits(r, path, commits)) - string_list_append(&changed_submodule_names, name->string); + if (submodule_has_commits(r, path, commits)) { + oid_array_clear(commits); + *name->string = '\0'; + } } - free_submodules_oids(&changed_submodules); - argv_array_clear(&argv); + string_list_remove_empty_items(changed_submodule_names, 1); + + strvec_clear(&argv); oid_array_clear(&ref_tips_before_fetch); oid_array_clear(&ref_tips_after_fetch); initialized_fetch_ref_tips = 0; @@ -1189,24 +1251,24 @@ int submodule_touches_in_range(struct repository *r, struct object_id *incl_oid) { struct string_list subs = STRING_LIST_INIT_DUP; - struct argv_array args = ARGV_ARRAY_INIT; + struct strvec args = STRVEC_INIT; int ret; /* No need to check if there are no submodules configured */ if (!submodule_from_path(r, NULL, NULL)) return 0; - argv_array_push(&args, "--"); /* args[0] program name */ - argv_array_push(&args, oid_to_hex(incl_oid)); + strvec_push(&args, "--"); /* args[0] program name */ + strvec_push(&args, oid_to_hex(incl_oid)); if (!is_null_oid(excl_oid)) { - argv_array_push(&args, "--not"); - argv_array_push(&args, oid_to_hex(excl_oid)); + strvec_push(&args, "--not"); + strvec_push(&args, oid_to_hex(excl_oid)); } collect_changed_submodules(r, &subs, &args); ret = subs.nr; - argv_array_clear(&args); + strvec_clear(&args); free_submodules_oids(&subs); return ret; @@ -1214,15 +1276,25 @@ int submodule_touches_in_range(struct repository *r, struct submodule_parallel_fetch { int count; - struct argv_array args; + struct strvec args; struct repository *r; const char *prefix; int command_line_option; int default_option; int quiet; int result; + + struct string_list changed_submodule_names; + + /* Pending fetches by OIDs */ + struct fetch_task **oid_fetch_tasks; + int oid_fetch_tasks_nr, oid_fetch_tasks_alloc; + + struct strbuf submodules_with_errors; }; -#define SPF_INIT {0, ARGV_ARRAY_INIT, NULL, NULL, 0, 0, 0, 0} +#define SPF_INIT {0, STRVEC_INIT, NULL, NULL, 0, 0, 0, 0, \ + STRING_LIST_INIT_DUP, \ + NULL, 0, 0, STRBUF_INIT} static int get_fetch_recurse_config(const struct submodule *submodule, struct submodule_parallel_fetch *spf) @@ -1236,7 +1308,7 @@ static int get_fetch_recurse_config(const struct submodule *submodule, int fetch_recurse = submodule->fetch_recurse; key = xstrfmt("submodule.%s.fetchRecurseSubmodules", submodule->name); - if (!repo_config_get_string_const(spf->r, key, &value)) { + if (!repo_config_get_string_tmp(spf->r, key, &value)) { fetch_recurse = parse_fetch_recurse_submodules_arg(key, value); } free(key); @@ -1249,40 +1321,126 @@ static int get_fetch_recurse_config(const struct submodule *submodule, return spf->default_option; } +/* + * Fetch in progress (if callback data) or + * pending (if in oid_fetch_tasks in struct submodule_parallel_fetch) + */ +struct fetch_task { + struct repository *repo; + const struct submodule *sub; + unsigned free_sub : 1; /* Do we need to free the submodule? */ + + struct oid_array *commits; /* Ensure these commits are fetched */ +}; + +/** + * When a submodule is not defined in .gitmodules, we cannot access it + * via the regular submodule-config. Create a fake submodule, which we can + * work on. + */ +static const struct submodule *get_non_gitmodules_submodule(const char *path) +{ + struct submodule *ret = NULL; + const char *name = default_name_or_path(path); + + if (!name) + return NULL; + + ret = xmalloc(sizeof(*ret)); + memset(ret, 0, sizeof(*ret)); + ret->path = name; + ret->name = name; + + return (const struct submodule *) ret; +} + +static struct fetch_task *fetch_task_create(struct repository *r, + const char *path) +{ + struct fetch_task *task = xmalloc(sizeof(*task)); + memset(task, 0, sizeof(*task)); + + task->sub = submodule_from_path(r, &null_oid, path); + if (!task->sub) { + /* + * No entry in .gitmodules? Technically not a submodule, + * but historically we supported repositories that happen to be + * in-place where a gitlink is. Keep supporting them. + */ + task->sub = get_non_gitmodules_submodule(path); + if (!task->sub) { + free(task); + return NULL; + } + + task->free_sub = 1; + } + + return task; +} + +static void fetch_task_release(struct fetch_task *p) +{ + if (p->free_sub) + free((void*)p->sub); + p->free_sub = 0; + p->sub = NULL; + + if (p->repo) + repo_clear(p->repo); + FREE_AND_NULL(p->repo); +} + +static struct repository *get_submodule_repo_for(struct repository *r, + const struct submodule *sub) +{ + struct repository *ret = xmalloc(sizeof(*ret)); + + if (repo_submodule_init(ret, r, sub)) { + /* + * No entry in .gitmodules? Technically not a submodule, + * but historically we supported repositories that happen to be + * in-place where a gitlink is. Keep supporting them. + */ + struct strbuf gitdir = STRBUF_INIT; + strbuf_repo_worktree_path(&gitdir, r, "%s/.git", sub->path); + if (repo_init(ret, gitdir.buf, NULL)) { + strbuf_release(&gitdir); + free(ret); + return NULL; + } + strbuf_release(&gitdir); + } + + return ret; +} + static int get_next_submodule(struct child_process *cp, struct strbuf *err, void *data, void **task_cb) { - int ret = 0; struct submodule_parallel_fetch *spf = data; for (; spf->count < spf->r->index->cache_nr; spf->count++) { - struct strbuf submodule_path = STRBUF_INIT; - struct strbuf submodule_git_dir = STRBUF_INIT; - struct strbuf submodule_prefix = STRBUF_INIT; const struct cache_entry *ce = spf->r->index->cache[spf->count]; - const char *git_dir, *default_argv; - const struct submodule *submodule; - struct submodule default_submodule = SUBMODULE_INIT; + const char *default_argv; + struct fetch_task *task; if (!S_ISGITLINK(ce->ce_mode)) continue; - submodule = submodule_from_path(spf->r, &null_oid, ce->name); - if (!submodule) { - const char *name = default_name_or_path(ce->name); - if (name) { - default_submodule.path = default_submodule.name = name; - submodule = &default_submodule; - } - } + task = fetch_task_create(spf->r, ce->name); + if (!task) + continue; - switch (get_fetch_recurse_config(submodule, spf)) + switch (get_fetch_recurse_config(task->sub, spf)) { default: case RECURSE_SUBMODULES_DEFAULT: case RECURSE_SUBMODULES_ON_DEMAND: - if (!submodule || !unsorted_string_list_lookup(&changed_submodule_names, - submodule->name)) + if (!task->sub || + !string_list_lookup( + &spf->changed_submodule_names, + task->sub->name)) continue; default_argv = "on-demand"; break; @@ -1293,35 +1451,85 @@ static int get_next_submodule(struct child_process *cp, continue; } - strbuf_repo_worktree_path(&submodule_path, spf->r, "%s", ce->name); - strbuf_addf(&submodule_git_dir, "%s/.git", submodule_path.buf); - strbuf_addf(&submodule_prefix, "%s%s/", spf->prefix, ce->name); - git_dir = read_gitfile(submodule_git_dir.buf); - if (!git_dir) - git_dir = submodule_git_dir.buf; - if (is_directory(git_dir)) { + task->repo = get_submodule_repo_for(spf->r, task->sub); + if (task->repo) { + struct strbuf submodule_prefix = STRBUF_INIT; child_process_init(cp); - cp->dir = strbuf_detach(&submodule_path, NULL); - prepare_submodule_repo_env(&cp->env_array); + cp->dir = task->repo->gitdir; + prepare_submodule_repo_env_in_gitdir(&cp->env_array); cp->git_cmd = 1; if (!spf->quiet) - strbuf_addf(err, "Fetching submodule %s%s\n", + strbuf_addf(err, _("Fetching submodule %s%s\n"), spf->prefix, ce->name); - argv_array_init(&cp->args); - argv_array_pushv(&cp->args, spf->args.argv); - argv_array_push(&cp->args, default_argv); - argv_array_push(&cp->args, "--submodule-prefix"); - argv_array_push(&cp->args, submodule_prefix.buf); - ret = 1; - } - strbuf_release(&submodule_path); - strbuf_release(&submodule_git_dir); - strbuf_release(&submodule_prefix); - if (ret) { + strvec_init(&cp->args); + strvec_pushv(&cp->args, spf->args.v); + strvec_push(&cp->args, default_argv); + strvec_push(&cp->args, "--submodule-prefix"); + + strbuf_addf(&submodule_prefix, "%s%s/", + spf->prefix, + task->sub->path); + strvec_push(&cp->args, submodule_prefix.buf); + spf->count++; + *task_cb = task; + + strbuf_release(&submodule_prefix); return 1; + } else { + struct strbuf empty_submodule_path = STRBUF_INIT; + + fetch_task_release(task); + free(task); + + /* + * An empty directory is normal, + * the submodule is not initialized + */ + strbuf_addf(&empty_submodule_path, "%s/%s/", + spf->r->worktree, + ce->name); + if (S_ISGITLINK(ce->ce_mode) && + !is_empty_dir(empty_submodule_path.buf)) { + spf->result = 1; + strbuf_addf(err, + _("Could not access submodule '%s'\n"), + ce->name); + } + strbuf_release(&empty_submodule_path); } } + + if (spf->oid_fetch_tasks_nr) { + struct fetch_task *task = + spf->oid_fetch_tasks[spf->oid_fetch_tasks_nr - 1]; + struct strbuf submodule_prefix = STRBUF_INIT; + spf->oid_fetch_tasks_nr--; + + strbuf_addf(&submodule_prefix, "%s%s/", + spf->prefix, task->sub->path); + + child_process_init(cp); + prepare_submodule_repo_env_in_gitdir(&cp->env_array); + cp->git_cmd = 1; + cp->dir = task->repo->gitdir; + + strvec_init(&cp->args); + strvec_pushv(&cp->args, spf->args.v); + strvec_push(&cp->args, "on-demand"); + strvec_push(&cp->args, "--submodule-prefix"); + strvec_push(&cp->args, submodule_prefix.buf); + + /* NEEDSWORK: have get_default_remote from submodule--helper */ + strvec_push(&cp->args, "origin"); + oid_array_for_each_unique(task->commits, + append_oid_to_argv, &cp->args); + + *task_cb = task; + strbuf_release(&submodule_prefix); + return 1; + } + return 0; } @@ -1329,25 +1537,82 @@ static int fetch_start_failure(struct strbuf *err, void *cb, void *task_cb) { struct submodule_parallel_fetch *spf = cb; + struct fetch_task *task = task_cb; spf->result = 1; + fetch_task_release(task); return 0; } +static int commit_missing_in_sub(const struct object_id *oid, void *data) +{ + struct repository *subrepo = data; + + enum object_type type = oid_object_info(subrepo, oid, NULL); + + return type != OBJ_COMMIT; +} + static int fetch_finish(int retvalue, struct strbuf *err, void *cb, void *task_cb) { struct submodule_parallel_fetch *spf = cb; + struct fetch_task *task = task_cb; - if (retvalue) + struct string_list_item *it; + struct oid_array *commits; + + if (!task || !task->sub) + BUG("callback cookie bogus"); + + if (retvalue) { + /* + * NEEDSWORK: This indicates that the overall fetch + * failed, even though there may be a subsequent fetch + * by commit hash that might work. It may be a good + * idea to not indicate failure in this case, and only + * indicate failure if the subsequent fetch fails. + */ spf->result = 1; + strbuf_addf(&spf->submodules_with_errors, "\t%s\n", + task->sub->name); + } + + /* Is this the second time we process this submodule? */ + if (task->commits) + goto out; + + it = string_list_lookup(&spf->changed_submodule_names, task->sub->name); + if (!it) + /* Could be an unchanged submodule, not contained in the list */ + goto out; + + commits = it->util; + oid_array_filter(commits, + commit_missing_in_sub, + task->repo); + + /* Are there commits we want, but do not exist? */ + if (commits->nr) { + task->commits = commits; + ALLOC_GROW(spf->oid_fetch_tasks, + spf->oid_fetch_tasks_nr + 1, + spf->oid_fetch_tasks_alloc); + spf->oid_fetch_tasks[spf->oid_fetch_tasks_nr] = task; + spf->oid_fetch_tasks_nr++; + return 0; + } + +out: + fetch_task_release(task); + return 0; } int fetch_populated_submodules(struct repository *r, - const struct argv_array *options, + const struct strvec *options, const char *prefix, int command_line_option, int default_option, int quiet, int max_parallel_jobs) @@ -1365,24 +1630,31 @@ int fetch_populated_submodules(struct repository *r, goto out; if (repo_read_index(r) < 0) - die("index file corrupt"); + die(_("index file corrupt")); - argv_array_push(&spf.args, "fetch"); - for (i = 0; i < options->argc; i++) - argv_array_push(&spf.args, options->argv[i]); - argv_array_push(&spf.args, "--recurse-submodules-default"); + strvec_push(&spf.args, "fetch"); + for (i = 0; i < options->nr; i++) + strvec_push(&spf.args, options->v[i]); + strvec_push(&spf.args, "--recurse-submodules-default"); /* default value, "--submodule-prefix" and its value are added later */ - calculate_changed_submodule_paths(r); - run_processes_parallel(max_parallel_jobs, - get_next_submodule, - fetch_start_failure, - fetch_finish, - &spf); + calculate_changed_submodule_paths(r, &spf.changed_submodule_names); + string_list_sort(&spf.changed_submodule_names); + run_processes_parallel_tr2(max_parallel_jobs, + get_next_submodule, + fetch_start_failure, + fetch_finish, + &spf, + "submodule", "parallel/fetch"); + + if (spf.submodules_with_errors.len > 0) + fprintf(stderr, _("Errors during submodule fetch:\n%s"), + spf.submodules_with_errors.buf); - argv_array_clear(&spf.args); + + strvec_clear(&spf.args); out: - string_list_clear(&changed_submodule_names, 1); + free_submodules_oids(&spf.changed_submodule_names); return spf.result; } @@ -1408,9 +1680,9 @@ unsigned is_submodule_modified(const char *path, int ignore_untracked) } strbuf_reset(&buf); - argv_array_pushl(&cp.args, "status", "--porcelain=2", NULL); + strvec_pushl(&cp.args, "status", "--porcelain=2", NULL); if (ignore_untracked) - argv_array_push(&cp.args, "-uno"); + strvec_push(&cp.args, "-uno"); prepare_submodule_repo_env(&cp.env_array); cp.git_cmd = 1; @@ -1418,7 +1690,7 @@ unsigned is_submodule_modified(const char *path, int ignore_untracked) cp.out = -1; cp.dir = path; if (start_command(&cp)) - die("Could not run 'git status --porcelain=2' in submodule %s", path); + die(_("Could not run 'git status --porcelain=2' in submodule %s"), path); fp = xfdopen(cp.out, "r"); while (strbuf_getwholeline(&buf, fp, '\n') != EOF) { @@ -1459,7 +1731,7 @@ unsigned is_submodule_modified(const char *path, int ignore_untracked) fclose(fp); if (finish_command(&cp) && !ignore_cp_exit_code) - die("'git status --porcelain=2' failed in submodule %s", path); + die(_("'git status --porcelain=2' failed in submodule %s"), path); strbuf_release(&buf); return dirty_submodule; @@ -1468,14 +1740,6 @@ unsigned is_submodule_modified(const char *path, int ignore_untracked) int submodule_uses_gitfile(const char *path) { struct child_process cp = CHILD_PROCESS_INIT; - const char *argv[] = { - "submodule", - "foreach", - "--quiet", - "--recursive", - "test -f .git", - NULL, - }; struct strbuf buf = STRBUF_INIT; const char *git_dir; @@ -1488,7 +1752,10 @@ int submodule_uses_gitfile(const char *path) strbuf_release(&buf); /* Now test that all nested submodules use a gitfile too */ - cp.argv = argv; + strvec_pushl(&cp.args, + "submodule", "foreach", "--quiet", "--recursive", + "test -f .git", NULL); + prepare_submodule_repo_env(&cp.env_array); cp.git_cmd = 1; cp.no_stdin = 1; @@ -1521,16 +1788,16 @@ int bad_to_remove_submodule(const char *path, unsigned flags) if (!submodule_uses_gitfile(path)) return 1; - argv_array_pushl(&cp.args, "status", "--porcelain", - "--ignore-submodules=none", NULL); + strvec_pushl(&cp.args, "status", "--porcelain", + "--ignore-submodules=none", NULL); if (flags & SUBMODULE_REMOVAL_IGNORE_UNTRACKED) - argv_array_push(&cp.args, "-uno"); + strvec_push(&cp.args, "-uno"); else - argv_array_push(&cp.args, "-uall"); + strvec_push(&cp.args, "-uall"); if (!(flags & SUBMODULE_REMOVAL_IGNORE_IGNORED_UNTRACKED)) - argv_array_push(&cp.args, "--ignored"); + strvec_push(&cp.args, "--ignored"); prepare_submodule_repo_env(&cp.env_array); cp.git_cmd = 1; @@ -1561,6 +1828,18 @@ out: return ret; } +void submodule_unset_core_worktree(const struct submodule *sub) +{ + char *config_path = xstrfmt("%s/modules/%s/config", + get_git_dir(), sub->name); + + if (git_config_set_in_file_gently(config_path, "core.worktree", NULL)) + warning(_("Could not unset core.worktree setting in submodule '%s'"), + sub->path); + + free(config_path); +} + static const char *get_super_prefix_or_empty(void) { const char *s = get_super_prefix(); @@ -1576,13 +1855,13 @@ static int submodule_has_dirty_index(const struct submodule *sub) prepare_submodule_repo_env(&cp.env_array); cp.git_cmd = 1; - argv_array_pushl(&cp.args, "diff-index", "--quiet", - "--cached", "HEAD", NULL); + strvec_pushl(&cp.args, "diff-index", "--quiet", + "--cached", "HEAD", NULL); cp.no_stdin = 1; cp.no_stdout = 1; cp.dir = sub->path; if (start_command(&cp)) - die("could not recurse into submodule '%s'", sub->path); + die(_("could not recurse into submodule '%s'"), sub->path); return finish_command(&cp); } @@ -1596,14 +1875,14 @@ static void submodule_reset_index(const char *path) cp.no_stdin = 1; cp.dir = path; - argv_array_pushf(&cp.args, "--super-prefix=%s%s/", - get_super_prefix_or_empty(), path); - argv_array_pushl(&cp.args, "read-tree", "-u", "--reset", NULL); + strvec_pushf(&cp.args, "--super-prefix=%s%s/", + get_super_prefix_or_empty(), path); + strvec_pushl(&cp.args, "read-tree", "-u", "--reset", NULL); - argv_array_push(&cp.args, empty_tree_oid_hex()); + strvec_push(&cp.args, empty_tree_oid_hex()); if (run_command(&cp)) - die("could not reset submodule index"); + die(_("could not reset submodule index")); } /** @@ -1651,11 +1930,11 @@ int submodule_move_head(const char *path, if (!(flags & SUBMODULE_MOVE_HEAD_DRY_RUN)) { if (old_head) { if (!submodule_uses_gitfile(path)) - absorb_git_dir_into_superproject("", path, + absorb_git_dir_into_superproject(path, ABSORB_GITDIR_RECURSE_SUBMODULES); } else { char *gitdir = xstrfmt("%s/modules/%s", - get_git_common_dir(), sub->name); + get_git_dir(), sub->name); connect_work_tree_and_git_dir(path, gitdir, 0); free(gitdir); @@ -1665,7 +1944,7 @@ int submodule_move_head(const char *path, if (old_head && (flags & SUBMODULE_MOVE_HEAD_FORCE)) { char *gitdir = xstrfmt("%s/modules/%s", - get_git_common_dir(), sub->name); + get_git_dir(), sub->name); connect_work_tree_and_git_dir(path, gitdir, 1); free(gitdir); } @@ -1677,24 +1956,24 @@ int submodule_move_head(const char *path, cp.no_stdin = 1; cp.dir = path; - argv_array_pushf(&cp.args, "--super-prefix=%s%s/", - get_super_prefix_or_empty(), path); - argv_array_pushl(&cp.args, "read-tree", "--recurse-submodules", NULL); + strvec_pushf(&cp.args, "--super-prefix=%s%s/", + get_super_prefix_or_empty(), path); + strvec_pushl(&cp.args, "read-tree", "--recurse-submodules", NULL); if (flags & SUBMODULE_MOVE_HEAD_DRY_RUN) - argv_array_push(&cp.args, "-n"); + strvec_push(&cp.args, "-n"); else - argv_array_push(&cp.args, "-u"); + strvec_push(&cp.args, "-u"); if (flags & SUBMODULE_MOVE_HEAD_FORCE) - argv_array_push(&cp.args, "--reset"); + strvec_push(&cp.args, "--reset"); else - argv_array_push(&cp.args, "-m"); + strvec_push(&cp.args, "-m"); if (!(flags & SUBMODULE_MOVE_HEAD_FORCE)) - argv_array_push(&cp.args, old_head ? old_head : empty_tree_oid_hex()); + strvec_push(&cp.args, old_head ? old_head : empty_tree_oid_hex()); - argv_array_push(&cp.args, new_head ? new_head : empty_tree_oid_hex()); + strvec_push(&cp.args, new_head ? new_head : empty_tree_oid_hex()); if (run_command(&cp)) { ret = error(_("Submodule '%s' could not be updated."), path); @@ -1710,8 +1989,8 @@ int submodule_move_head(const char *path, cp.dir = path; prepare_submodule_repo_env(&cp.env_array); - argv_array_pushl(&cp.args, "update-ref", "HEAD", - "--no-deref", new_head, NULL); + strvec_pushl(&cp.args, "update-ref", "HEAD", + "--no-deref", new_head, NULL); if (run_command(&cp)) { ret = -1; @@ -1726,6 +2005,8 @@ int submodule_move_head(const char *path, if (is_empty_dir(path)) rmdir_or_warn(path); + + submodule_unset_core_worktree(sub); } } out: @@ -1777,8 +2058,7 @@ int validate_submodule_git_dir(char *git_dir, const char *submodule_name) * Embeds a single submodules git directory into the superprojects git dir, * non recursively. */ -static void relocate_single_git_dir_into_superproject(const char *prefix, - const char *path) +static void relocate_single_git_dir_into_superproject(const char *path) { char *old_git_dir = NULL, *real_old_git_dir = NULL, *real_new_git_dir = NULL; char *new_git_dir; @@ -1824,8 +2104,7 @@ static void relocate_single_git_dir_into_superproject(const char *prefix, * having its git directory within the working tree to the git dir nested * in its superprojects git dir under modules/. */ -void absorb_git_dir_into_superproject(const char *prefix, - const char *path, +void absorb_git_dir_into_superproject(const char *path, unsigned flags) { int err_code; @@ -1866,7 +2145,7 @@ void absorb_git_dir_into_superproject(const char *prefix, char *real_common_git_dir = real_pathdup(get_git_common_dir(), 1); if (!starts_with(real_sub_git_dir, real_common_git_dir)) - relocate_single_git_dir_into_superproject(prefix, path); + relocate_single_git_dir_into_superproject(path); free(real_sub_git_dir); free(real_common_git_dir); @@ -1887,9 +2166,9 @@ void absorb_git_dir_into_superproject(const char *prefix, cp.dir = path; cp.git_cmd = 1; cp.no_stdin = 1; - argv_array_pushl(&cp.args, "--super-prefix", sb.buf, - "submodule--helper", - "absorb-git-dirs", NULL); + strvec_pushl(&cp.args, "--super-prefix", sb.buf, + "submodule--helper", + "absorb-git-dirs", NULL); prepare_submodule_repo_env(&cp.env_array); if (run_command(&cp)) die(_("could not recurse into submodule '%s'"), path); @@ -1898,13 +2177,13 @@ void absorb_git_dir_into_superproject(const char *prefix, } } -const char *get_superproject_working_tree(void) +int get_superproject_working_tree(struct strbuf *buf) { struct child_process cp = CHILD_PROCESS_INIT; struct strbuf sb = STRBUF_INIT; - const char *one_up = real_path_if_valid("../"); + struct strbuf one_up = STRBUF_INIT; const char *cwd = xgetcwd(); - const char *ret = NULL; + int ret = 0; const char *subpath; int code; ssize_t len; @@ -1915,19 +2194,20 @@ const char *get_superproject_working_tree(void) * We might have a superproject, but it is harder * to determine. */ - return NULL; + return 0; - if (!one_up) - return NULL; + if (!strbuf_realpath(&one_up, "../", 0)) + return 0; - subpath = relative_path(cwd, one_up, &sb); + subpath = relative_path(cwd, one_up.buf, &sb); + strbuf_release(&one_up); prepare_submodule_repo_env(&cp.env_array); - argv_array_pop(&cp.env_array); + strvec_pop(&cp.env_array); - argv_array_pushl(&cp.args, "--literal-pathspecs", "-C", "..", - "ls-files", "-z", "--stage", "--full-name", "--", - subpath, NULL); + strvec_pushl(&cp.args, "--literal-pathspecs", "-C", "..", + "ls-files", "-z", "--stage", "--full-name", "--", + subpath, NULL); strbuf_reset(&sb); cp.no_stdin = 1; @@ -1961,7 +2241,8 @@ const char *get_superproject_working_tree(void) super_wt = xstrdup(cwd); super_wt[cwd_len - super_sub_len] = '\0'; - ret = real_path(super_wt); + strbuf_realpath(buf, super_wt, 1); + ret = 1; free(super_wt); } strbuf_release(&sb); @@ -1970,10 +2251,10 @@ const char *get_superproject_working_tree(void) if (code == 128) /* '../' is not a git repository */ - return NULL; + return 0; if (code == 0 && len == 0) /* There is an unrelated git repository at '../' */ - return NULL; + return 0; if (code) die(_("ls-tree returned unexpected return code %d"), code); |