parse-options: automatically infer PARSE_OPT_LITERAL_ARGHELP
[gitweb.git] / builtin / commit.c
index 4ad45a81a8354be1d250c176350a90c61b8bce14..4610e3d8e3e04a70678a102cc3e0e7472089a3cf 100644 (file)
@@ -6,6 +6,7 @@
  */
 
 #include "cache.h"
+#include "config.h"
 #include "lockfile.h"
 #include "cache-tree.h"
 #include "color.h"
@@ -117,7 +118,7 @@ static int edit_flag = -1; /* unspecified */
 static int quiet, verbose, no_verify, allow_empty, dry_run, renew_authorship;
 static int config_commit_verbose = -1; /* unspecified */
 static int no_post_rewrite, allow_empty_message;
-static char *untracked_files_arg, *force_date, *ignore_submodule_arg;
+static char *untracked_files_arg, *force_date, *ignore_submodule_arg, *ignored_arg;
 static char *sign_commit;
 
 /*
@@ -138,8 +139,7 @@ static const char *cleanup_arg;
 static enum commit_whence whence;
 static int sequencer_in_use;
 static int use_editor = 1, include_status = 1;
-static int show_ignored_in_status, have_option_m;
-static const char *only_include_assumed;
+static int have_option_m;
 static struct strbuf message = STRBUF_INIT;
 
 static enum wt_status_format status_format = STATUS_FORMAT_UNSPECIFIED;
@@ -195,7 +195,6 @@ static void determine_whence(struct wt_status *s)
 static void status_init_config(struct wt_status *s, config_fn_t fn)
 {
        wt_status_prepare(s);
-       gitmodules_config();
        git_config(fn, s);
        determine_whence(s);
        init_diff_ui_defaults();
@@ -253,7 +252,8 @@ static int list_paths(struct string_list *list, const char *with_tree,
 
        if (with_tree) {
                char *max_prefix = common_prefix(pattern);
-               overlay_tree_on_cache(with_tree, max_prefix ? max_prefix : prefix);
+               overlay_tree_on_index(&the_index, with_tree,
+                                     max_prefix ? max_prefix : prefix);
                free(max_prefix);
        }
 
@@ -313,7 +313,7 @@ static void create_base_index(const struct commit *current_head)
        opts.dst_index = &the_index;
 
        opts.fn = oneway_merge;
-       tree = parse_tree_indirect(current_head->object.oid.hash);
+       tree = parse_tree_indirect(&current_head->object.oid);
        if (!tree)
                die(_("failed to unpack HEAD tree object"));
        parse_tree(tree);
@@ -335,7 +335,7 @@ static void refresh_cache_or_die(int refresh_flags)
 static const char *prepare_index(int argc, const char **argv, const char *prefix,
                                 const struct commit *current_head, int is_status)
 {
-       struct string_list partial;
+       struct string_list partial = STRING_LIST_INIT_DUP;
        struct pathspec pathspec;
        int refresh_flags = REFRESH_QUIET;
        const char *ret;
@@ -355,7 +355,7 @@ static const char *prepare_index(int argc, const char **argv, const char *prefix
 
                refresh_cache_or_die(refresh_flags);
 
-               if (write_locked_index(&the_index, &index_lock, CLOSE_LOCK))
+               if (write_locked_index(&the_index, &index_lock, 0))
                        die(_("unable to create temporary index"));
 
                old_index_env = getenv(INDEX_ENVIRONMENT);
@@ -374,13 +374,14 @@ static const char *prepare_index(int argc, const char **argv, const char *prefix
                if (update_main_cache_tree(WRITE_TREE_SILENT) == 0) {
                        if (reopen_lock_file(&index_lock) < 0)
                                die(_("unable to write index file"));
-                       if (write_locked_index(&the_index, &index_lock, CLOSE_LOCK))
+                       if (write_locked_index(&the_index, &index_lock, 0))
                                die(_("unable to update temporary index"));
                } else
                        warning(_("Failed to update main cache tree"));
 
                commit_style = COMMIT_NORMAL;
-               return get_lock_file_path(&index_lock);
+               ret = get_lock_file_path(&index_lock);
+               goto out;
        }
 
        /*
@@ -400,10 +401,11 @@ static const char *prepare_index(int argc, const char **argv, const char *prefix
                add_files_to_cache(also ? prefix : NULL, &pathspec, 0);
                refresh_cache_or_die(refresh_flags);
                update_main_cache_tree(WRITE_TREE_SILENT);
-               if (write_locked_index(&the_index, &index_lock, CLOSE_LOCK))
+               if (write_locked_index(&the_index, &index_lock, 0))
                        die(_("unable to write new_index file"));
                commit_style = COMMIT_NORMAL;
-               return get_lock_file_path(&index_lock);
+               ret = get_lock_file_path(&index_lock);
+               goto out;
        }
 
        /*
@@ -429,7 +431,8 @@ static const char *prepare_index(int argc, const char **argv, const char *prefix
                        rollback_lock_file(&index_lock);
                }
                commit_style = COMMIT_AS_IS;
-               return get_index_file();
+               ret = get_index_file();
+               goto out;
        }
 
        /*
@@ -460,7 +463,6 @@ static const char *prepare_index(int argc, const char **argv, const char *prefix
                        die(_("cannot do a partial commit during a cherry-pick."));
        }
 
-       string_list_init(&partial, 1);
        if (list_paths(&partial, !current_head ? NULL : "HEAD", prefix, &pathspec))
                exit(1);
 
@@ -472,7 +474,7 @@ static const char *prepare_index(int argc, const char **argv, const char *prefix
        add_remove_files(&partial);
        refresh_cache(REFRESH_QUIET);
        update_main_cache_tree(WRITE_TREE_SILENT);
-       if (write_locked_index(&the_index, &index_lock, CLOSE_LOCK))
+       if (write_locked_index(&the_index, &index_lock, 0))
                die(_("unable to write new_index file"));
 
        hold_lock_file_for_update(&false_lock,
@@ -484,12 +486,15 @@ static const char *prepare_index(int argc, const char **argv, const char *prefix
        add_remove_files(&partial);
        refresh_cache(REFRESH_QUIET);
 
-       if (write_locked_index(&the_index, &false_lock, CLOSE_LOCK))
+       if (write_locked_index(&the_index, &false_lock, 0))
                die(_("unable to write temporary index file"));
 
        discard_cache();
        ret = get_lock_file_path(&false_lock);
        read_cache_from(ret);
+out:
+       string_list_clear(&partial, 0);
+       clear_pathspec(&pathspec);
        return ret;
 }
 
@@ -509,7 +514,7 @@ static int run_status(FILE *fp, const char *index_file, const char *prefix, int
        s->index_file = index_file;
        s->fp = fp;
        s->nowarn = nowarn;
-       s->is_initial = get_sha1(s->reference, oid.hash) ? 1 : 0;
+       s->is_initial = get_oid(s->reference, &oid) ? 1 : 0;
        if (!s->is_initial)
                hashcpy(s->sha1_commit, oid.hash);
        s->status_format = status_format;
@@ -696,7 +701,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
                }
        }
 
-       if (have_option_m) {
+       if (have_option_m && !fixup_message) {
                strbuf_addbuf(&sb, &message);
                hook_arg1 = "message";
        } else if (logfile && !strcmp(logfile, "-")) {
@@ -726,6 +731,8 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
                ctx.output_encoding = get_commit_output_encoding();
                format_commit_message(commit, "fixup! %s\n\n",
                                      &sb, &ctx);
+               if (have_option_m)
+                       strbuf_addbuf(&sb, &message);
                hook_arg1 = "message";
        } else if (!stat(git_path_merge_msg(), &statbuf)) {
                /*
@@ -841,9 +848,6 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
                                  "with '%c' will be kept; you may remove them"
                                  " yourself if you want to.\n"
                                  "An empty message aborts the commit.\n"), comment_line_char);
-               if (only_include_assumed)
-                       status_printf_ln(s, GIT_COLOR_NORMAL,
-                                       "%s", only_include_assumed);
 
                /*
                 * These should never fail because they come from our own
@@ -877,8 +881,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
                                (int)(ci.name_end - ci.name_begin), ci.name_begin,
                                (int)(ci.mail_end - ci.mail_begin), ci.mail_begin);
 
-               if (ident_shown)
-                       status_printf_ln(s, GIT_COLOR_NORMAL, "%s", "");
+               status_printf_ln(s, GIT_COLOR_NORMAL, "%s", ""); /* Add new line for clarity */
 
                saved_color_setting = s->use_color;
                s->use_color = 0;
@@ -894,7 +897,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
                if (amend)
                        parent = "HEAD^1";
 
-               if (get_sha1(parent, oid.hash)) {
+               if (get_oid(parent, &oid)) {
                        int i, ita_nr = 0;
 
                        for (i = 0; i < active_nr; i++)
@@ -911,11 +914,12 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
                         * submodules which were manually staged, which would
                         * be really confusing.
                         */
-                       int diff_flags = DIFF_OPT_OVERRIDE_SUBMODULE_CONFIG;
+                       struct diff_flags flags = DIFF_FLAGS_INIT;
+                       flags.override_submodule_config = 1;
                        if (ignore_submodule_arg &&
                            !strcmp(ignore_submodule_arg, "all"))
-                               diff_flags |= DIFF_OPT_IGNORE_SUBMODULES;
-                       commitable = index_differs_from(parent, diff_flags, 1);
+                               flags.ignore_submodules = 1;
+                       commitable = index_differs_from(parent, &flags, 1);
                }
        }
        strbuf_release(&committer_ident);
@@ -943,13 +947,16 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
                return 0;
        }
 
-       /*
-        * Re-read the index as pre-commit hook could have updated it,
-        * and write it out as a tree.  We must do this before we invoke
-        * the editor and after we invoke run_status above.
-        */
-       discard_cache();
+       if (!no_verify && find_hook("pre-commit")) {
+               /*
+                * Re-read the index as pre-commit hook could have updated it,
+                * and write it out as a tree.  We must do this before we invoke
+                * the editor and after we invoke run_status above.
+                */
+               discard_cache();
+       }
        read_cache_from(index_file);
+
        if (update_main_cache_tree(0)) {
                error(_("Error building trees"));
                return 0;
@@ -1071,6 +1078,19 @@ static const char *find_author_by_nickname(const char *name)
        die(_("--author '%s' is not 'Name <email>' and matches no existing author"), name);
 }
 
+static void handle_ignored_arg(struct wt_status *s)
+{
+       if (!ignored_arg)
+               ; /* default already initialized */
+       else if (!strcmp(ignored_arg, "traditional"))
+               s->show_ignored_mode = SHOW_TRADITIONAL_IGNORED;
+       else if (!strcmp(ignored_arg, "no"))
+               s->show_ignored_mode = SHOW_NO_IGNORED;
+       else if (!strcmp(ignored_arg, "matching"))
+               s->show_ignored_mode = SHOW_MATCHING_IGNORED;
+       else
+               die(_("Invalid ignored mode '%s'"), ignored_arg);
+}
 
 static void handle_untracked_files_arg(struct wt_status *s)
 {
@@ -1179,8 +1199,8 @@ static int parse_and_validate_options(int argc, const char *argv[],
                f++;
        if (f > 1)
                die(_("Only one of -c/-C/-F/--fixup can be used."));
-       if (have_option_m && f > 0)
-               die((_("Option -m cannot be combined with -c/-C/-F/--fixup.")));
+       if (have_option_m && (edit_message || use_message || logfile))
+               die((_("Option -m cannot be combined with -c/-C/-F.")));
        if (f || have_option_m)
                template_file = NULL;
        if (edit_message)
@@ -1208,8 +1228,6 @@ static int parse_and_validate_options(int argc, const char *argv[],
                die(_("Only one of --include/--only/--all/--interactive/--patch can be used."));
        if (argc == 0 && (also || (only && !amend && !allow_empty)))
                die(_("No paths with --include/--only does not make sense."));
-       if (argc > 0 && !also && !only)
-               only_include_assumed = _("Explicit paths specified without -i or -o; assuming --only paths...");
        if (!cleanup_arg || !strcmp(cleanup_arg, "default"))
                cleanup_mode = use_editor ? CLEANUP_ALL : CLEANUP_SPACE;
        else if (!strcmp(cleanup_arg, "verbatim"))
@@ -1263,6 +1281,10 @@ static int parse_status_slot(const char *slot)
                return WT_STATUS_NOBRANCH;
        if (!strcasecmp(slot, "unmerged"))
                return WT_STATUS_UNMERGED;
+       if (!strcasecmp(slot, "localBranch"))
+               return WT_STATUS_LOCAL_BRANCH;
+       if (!strcasecmp(slot, "remoteBranch"))
+               return WT_STATUS_REMOTE_BRANCH;
        return -1;
 }
 
@@ -1291,6 +1313,10 @@ static int git_status_config(const char *k, const char *v, void *cb)
                status_deferred_config.show_branch = git_config_bool(k, v);
                return 0;
        }
+       if (!strcmp(k, "status.showstash")) {
+               s->show_stash = git_config_bool(k, v);
+               return 0;
+       }
        if (!strcmp(k, "status.color") || !strcmp(k, "color.status")) {
                s->use_color = git_config_colorbool(k, v);
                return 0;
@@ -1339,6 +1365,8 @@ int cmd_status(int argc, const char **argv, const char *prefix)
                            N_("show status concisely"), STATUS_FORMAT_SHORT),
                OPT_BOOL('b', "branch", &s.show_branch,
                         N_("show branch information")),
+               OPT_BOOL(0, "show-stash", &s.show_stash,
+                        N_("show stash information")),
                { OPTION_CALLBACK, 0, "porcelain", &status_format,
                  N_("version"), N_("machine-readable output"),
                  PARSE_OPT_OPTARG, opt_parse_porcelain },
@@ -1351,8 +1379,10 @@ int cmd_status(int argc, const char **argv, const char *prefix)
                  N_("mode"),
                  N_("show untracked files, optional modes: all, normal, no. (Default: all)"),
                  PARSE_OPT_OPTARG, NULL, (intptr_t)"all" },
-               OPT_BOOL(0, "ignored", &show_ignored_in_status,
-                        N_("show ignored files")),
+               { OPTION_STRING, 0, "ignored", &ignored_arg,
+                 N_("mode"),
+                 N_("show ignored files, optional modes: traditional, matching, no. (Default: traditional)"),
+                 PARSE_OPT_OPTARG, NULL, (intptr_t)"traditional" },
                { OPTION_STRING, 0, "ignore-submodules", &ignore_submodule_arg, N_("when"),
                  N_("ignore changes to submodules, optional when: all, dirty, untracked. (Default: all)"),
                  PARSE_OPT_OPTARG, NULL, (intptr_t)"all" },
@@ -1371,8 +1401,12 @@ int cmd_status(int argc, const char **argv, const char *prefix)
        finalize_deferred_config(&s);
 
        handle_untracked_files_arg(&s);
-       if (show_ignored_in_status)
-               s.show_ignored_files = 1;
+       handle_ignored_arg(&s);
+
+       if (s.show_ignored_mode == SHOW_MATCHING_IGNORED &&
+           s.show_untracked_files == SHOW_NO_UNTRACKED_FILES)
+               die(_("Unsupported combination of ignored and untracked-files arguments"));
+
        parse_pathspec(&s.pathspec, 0,
                       PATHSPEC_PREFER_FULL,
                       prefix, argv);
@@ -1380,9 +1414,12 @@ int cmd_status(int argc, const char **argv, const char *prefix)
        read_cache_preload(&s.pathspec);
        refresh_index(&the_index, REFRESH_QUIET|REFRESH_UNMERGED, &s.pathspec, NULL, NULL);
 
-       fd = hold_locked_index(&index_lock, 0);
+       if (use_optional_locks())
+               fd = hold_locked_index(&index_lock, 0);
+       else
+               fd = -1;
 
-       s.is_initial = get_sha1(s.reference, oid.hash) ? 1 : 0;
+       s.is_initial = get_oid(s.reference, &oid) ? 1 : 0;
        if (!s.is_initial)
                hashcpy(s.sha1_commit, oid.hash);
 
@@ -1424,13 +1461,12 @@ static void print_summary(const char *prefix, const struct object_id *oid,
        struct rev_info rev;
        struct commit *commit;
        struct strbuf format = STRBUF_INIT;
-       struct object_id junk_oid;
        const char *head;
        struct pretty_print_context pctx = {0};
        struct strbuf author_ident = STRBUF_INIT;
        struct strbuf committer_ident = STRBUF_INIT;
 
-       commit = lookup_commit(oid->hash);
+       commit = lookup_commit(oid);
        if (!commit)
                die(_("couldn't look up newly created commit"));
        if (parse_commit(commit))
@@ -1477,7 +1513,9 @@ static void print_summary(const char *prefix, const struct object_id *oid,
        rev.diffopt.break_opt = 0;
        diff_setup_done(&rev.diffopt);
 
-       head = resolve_ref_unsafe("HEAD", 0, junk_oid.hash, NULL);
+       head = resolve_ref_unsafe("HEAD", 0, NULL, NULL);
+       if (!head)
+               die_errno(_("unable to resolve HEAD after creating commit"));
        if (!strcmp(head, "HEAD"))
                head = _("detached HEAD");
        else
@@ -1648,13 +1686,14 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
                usage_with_options(builtin_commit_usage, builtin_commit_options);
 
        status_init_config(&s, git_commit_config);
+       s.commit_template = 1;
        status_format = STATUS_FORMAT_NONE; /* Ignore status.short */
        s.colopts = 0;
 
-       if (get_sha1("HEAD", oid.hash))
+       if (get_oid("HEAD", &oid))
                current_head = NULL;
        else {
-               current_head = lookup_commit_or_die(oid.hash, "HEAD");
+               current_head = lookup_commit_or_die(&oid, "HEAD");
                if (parse_commit(current_head))
                        die(_("could not parse HEAD commit"));
        }
@@ -1695,10 +1734,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
                if (!reflog_msg)
                        reflog_msg = "commit (merge)";
                pptr = commit_list_append(current_head, pptr);
-               fp = fopen(git_path_merge_head(), "r");
-               if (fp == NULL)
-                       die_errno(_("could not open '%s' for reading"),
-                                 git_path_merge_head());
+               fp = xfopen(git_path_merge_head(), "r");
                while (strbuf_getline_lf(&m, fp) != EOF) {
                        struct commit *parent;
 
@@ -1716,7 +1752,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
                                allow_fast_forward = 0;
                }
                if (allow_fast_forward)
-                       parents = reduce_heads(parents);
+                       reduce_heads_replace(&parents);
        } else {
                if (!reflog_msg)
                        reflog_msg = (whence == FROM_CHERRY_PICK)
@@ -1736,17 +1772,17 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
        if (verbose || /* Truncate the message just before the diff, if any. */
            cleanup_mode == CLEANUP_SCISSORS)
                strbuf_setlen(&sb, wt_status_locate_end(sb.buf, sb.len));
-
        if (cleanup_mode != CLEANUP_NONE)
                strbuf_stripspace(&sb, cleanup_mode == CLEANUP_ALL);
-       if (template_untouched(&sb) && !allow_empty_message) {
+
+       if (message_is_empty(&sb) && !allow_empty_message) {
                rollback_index_files();
-               fprintf(stderr, _("Aborting commit; you did not edit the message.\n"));
+               fprintf(stderr, _("Aborting commit due to empty commit message.\n"));
                exit(1);
        }
-       if (message_is_empty(&sb) && !allow_empty_message) {
+       if (template_untouched(&sb) && !allow_empty_message) {
                rollback_index_files();
-               fprintf(stderr, _("Aborting commit due to empty commit message.\n"));
+               fprintf(stderr, _("Aborting commit; you did not edit the message.\n"));
                exit(1);
        }
 
@@ -1758,7 +1794,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
                append_merge_tag_headers(parents, &tail);
        }
 
-       if (commit_tree_extended(sb.buf, sb.len, active_cache_tree->sha1,
+       if (commit_tree_extended(sb.buf, sb.len, active_cache_tree->oid.hash,
                         parents, oid.hash, author_ident.buf, sign_commit, extra)) {
                rollback_index_files();
                die(_("failed to write commit object"));
@@ -1776,9 +1812,9 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
 
        transaction = ref_transaction_begin(&err);
        if (!transaction ||
-           ref_transaction_update(transaction, "HEAD", oid.hash,
+           ref_transaction_update(transaction, "HEAD", &oid,
                                   current_head
-                                  ? current_head->object.oid.hash : null_sha1,
+                                  ? &current_head->object.oid : &null_oid,
                                   0, sb.buf, &err) ||
            ref_transaction_commit(transaction, &err)) {
                rollback_index_files();
@@ -1805,7 +1841,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
                cfg = init_copy_notes_for_rewrite("amend");
                if (cfg) {
                        /* we are amending, so current_head is not NULL */
-                       copy_note_for_rewrite(cfg, current_head->object.oid.hash, oid.hash);
+                       copy_note_for_rewrite(cfg, &current_head->object.oid, &oid);
                        finish_copy_notes_for_rewrite(cfg, "Notes added by 'git commit --amend'");
                }
                run_rewrite_hook(&current_head->object.oid, &oid);
@@ -1813,6 +1849,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
        if (!quiet)
                print_summary(prefix, &oid, !current_head);
 
-       strbuf_release(&err);
+       UNLEAK(err);
+       UNLEAK(sb);
        return 0;
 }