Merge branch 'jc/diff-filter-negation'
[gitweb.git] / builtin / commit.c
index 39717d55bc43df77981f9198bc9c7b36019662e9..60812b5b4b0a7215c1d5c441799b9d0857c51dce 100644 (file)
 #include "gpg-interface.h"
 #include "column.h"
 #include "sequencer.h"
+#include "notes-utils.h"
 
 static const char * const builtin_commit_usage[] = {
-       N_("git commit [options] [--] <filepattern>..."),
+       N_("git commit [options] [--] <pathspec>..."),
        NULL
 };
 
 static const char * const builtin_status_usage[] = {
-       N_("git status [options] [--] <filepattern>..."),
+       N_("git status [options] [--] <pathspec>..."),
        NULL
 };
 
@@ -113,29 +114,36 @@ static enum {
        CLEANUP_NONE,
        CLEANUP_ALL
 } cleanup_mode;
-static char *cleanup_arg;
+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;
+static int show_ignored_in_status, have_option_m;
 static const char *only_include_assumed;
 static struct strbuf message = STRBUF_INIT;
 
-static enum {
+static enum status_format {
+       STATUS_FORMAT_NONE = 0,
        STATUS_FORMAT_LONG,
        STATUS_FORMAT_SHORT,
-       STATUS_FORMAT_PORCELAIN
-} status_format = STATUS_FORMAT_LONG;
+       STATUS_FORMAT_PORCELAIN,
+
+       STATUS_FORMAT_UNSPECIFIED
+} status_format = STATUS_FORMAT_UNSPECIFIED;
 
 static int opt_parse_m(const struct option *opt, const char *arg, int unset)
 {
        struct strbuf *buf = opt->value;
-       if (unset)
+       if (unset) {
+               have_option_m = 0;
                strbuf_setlen(buf, 0);
-       else {
+       } else {
+               have_option_m = 1;
+               if (buf->len)
+                       strbuf_addch(buf, '\n');
                strbuf_addstr(buf, arg);
-               strbuf_addstr(buf, "\n\n");
+               strbuf_complete_line(buf);
        }
        return 0;
 }
@@ -213,7 +221,7 @@ static int list_paths(struct string_list *list, const char *with_tree,
        }
 
        for (i = 0; i < active_nr; i++) {
-               struct cache_entry *ce = active_cache[i];
+               const struct cache_entry *ce = active_cache[i];
                struct string_list_item *item;
 
                if (ce->ce_flags & CE_UPDATE)
@@ -468,6 +476,10 @@ static int run_status(FILE *fp, const char *index_file, const char *prefix, int
        case STATUS_FORMAT_PORCELAIN:
                wt_porcelain_print(s);
                break;
+       case STATUS_FORMAT_UNSPECIFIED:
+               die("BUG: finalize_deferred_config() should have been called");
+               break;
+       case STATUS_FORMAT_NONE:
        case STATUS_FORMAT_LONG:
                wt_status_print(s);
                break;
@@ -536,7 +548,6 @@ static void determine_author_info(struct strbuf *author_ident)
                                        (lb - strlen(" ") -
                                         (a + strlen("\nauthor "))));
                email = xmemdupz(lb + strlen("<"), rb - (lb + strlen("<")));
-               date = xmemdupz(rb + strlen("> "), eol - (rb + strlen("> ")));
                len = eol - (rb + strlen("> "));
                date = xmalloc(len + 2);
                *date = '@';
@@ -712,7 +723,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
                        previous = eol;
                }
 
-               append_signoff(&sb, ignore_footer);
+               append_signoff(&sb, ignore_footer, 0);
        }
 
        if (fwrite(sb.buf, 1, sb.len, s->fp) < sb.len)
@@ -745,15 +756,15 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
                if (cleanup_mode == CLEANUP_ALL)
                        status_printf(s, GIT_COLOR_NORMAL,
                                _("Please enter the commit message for your changes."
-                               " Lines starting\nwith '#' will be ignored, and an empty"
-                               " message aborts the commit.\n"));
+                                 " Lines starting\nwith '%c' will be ignored, and an empty"
+                                 " message aborts the commit.\n"), comment_line_char);
                else /* CLEANUP_SPACE, that is. */
                        status_printf(s, GIT_COLOR_NORMAL,
                                _("Please enter the commit message for your changes."
-                               " Lines starting\n"
-                               "with '#' will be kept; you may remove them"
-                               " yourself if you want to.\n"
-                               "An empty message aborts the commit.\n"));
+                                 " Lines starting\n"
+                                 "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);
@@ -767,7 +778,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
                                ident_shown++ ? "" : "\n",
                                author_ident->buf);
 
-               if (!user_ident_sufficiently_given())
+               if (!committer_ident_sufficiently_given())
                        status_printf_ln(s, GIT_COLOR_NORMAL,
                                _("%s"
                                "Committer: %s"),
@@ -963,24 +974,50 @@ static void handle_untracked_files_arg(struct wt_status *s)
 
 static const char *read_commit_message(const char *name)
 {
-       const char *out_enc, *out;
+       const char *out_enc;
        struct commit *commit;
 
        commit = lookup_commit_reference_by_name(name);
        if (!commit)
                die(_("could not lookup commit %s"), name);
        out_enc = get_commit_output_encoding();
-       out = logmsg_reencode(commit, out_enc);
+       return logmsg_reencode(commit, NULL, out_enc);
+}
 
-       /*
-        * If we failed to reencode the buffer, just copy it
-        * byte for byte so the user can try to fix it up.
-        * This also handles the case where input and output
-        * encodings are identical.
-        */
-       if (out == NULL)
-               out = xstrdup(commit->buffer);
-       return out;
+/*
+ * Enumerate what needs to be propagated when --porcelain
+ * is not in effect here.
+ */
+static struct status_deferred_config {
+       enum status_format status_format;
+       int show_branch;
+} status_deferred_config = {
+       STATUS_FORMAT_UNSPECIFIED,
+       -1 /* unspecified */
+};
+
+static void finalize_deferred_config(struct wt_status *s)
+{
+       int use_deferred_config = (status_format != STATUS_FORMAT_PORCELAIN &&
+                                  !s->null_termination);
+
+       if (s->null_termination) {
+               if (status_format == STATUS_FORMAT_NONE ||
+                   status_format == STATUS_FORMAT_UNSPECIFIED)
+                       status_format = STATUS_FORMAT_PORCELAIN;
+               else if (status_format == STATUS_FORMAT_LONG)
+                       die(_("--long and -z are incompatible"));
+       }
+
+       if (use_deferred_config && status_format == STATUS_FORMAT_UNSPECIFIED)
+               status_format = status_deferred_config.status_format;
+       if (status_format == STATUS_FORMAT_UNSPECIFIED)
+               status_format = STATUS_FORMAT_NONE;
+
+       if (use_deferred_config && s->show_branch < 0)
+               s->show_branch = status_deferred_config.show_branch;
+       if (s->show_branch < 0)
+               s->show_branch = 0;
 }
 
 static int parse_and_validate_options(int argc, const char *argv[],
@@ -993,6 +1030,7 @@ static int parse_and_validate_options(int argc, const char *argv[],
        int f = 0;
 
        argc = parse_options(argc, argv, prefix, options, usage, 0);
+       finalize_deferred_config(s);
 
        if (force_author && !strchr(force_author, '>'))
                force_author = find_author_by_nickname(force_author);
@@ -1000,7 +1038,7 @@ static int parse_and_validate_options(int argc, const char *argv[],
        if (force_author && renew_authorship)
                die(_("Using both --reset-author and --author does not make sense"));
 
-       if (logfile || message.len || use_message || fixup_message)
+       if (logfile || have_option_m || use_message || fixup_message)
                use_editor = 0;
        if (0 <= edit_flag)
                use_editor = edit_flag;
@@ -1053,7 +1091,7 @@ static int parse_and_validate_options(int argc, const char *argv[],
        if (patch_interactive)
                interactive = 1;
 
-       if (!!also + !!only + !!all + !!interactive > 1)
+       if (also + only + all + interactive > 1)
                die(_("Only one of --include/--only/--all/--interactive/--patch can be used."));
        if (argc == 0 && (also || (only && !amend)))
                die(_("No paths with --include/--only does not make sense."));
@@ -1077,9 +1115,7 @@ static int parse_and_validate_options(int argc, const char *argv[],
        if (all && argc > 0)
                die(_("Paths with -a does not make sense."));
 
-       if (s->null_termination && status_format == STATUS_FORMAT_LONG)
-               status_format = STATUS_FORMAT_PORCELAIN;
-       if (status_format != STATUS_FORMAT_LONG)
+       if (status_format != STATUS_FORMAT_NONE)
                dry_run = 1;
 
        return argc;
@@ -1131,6 +1167,17 @@ static int git_status_config(const char *k, const char *v, void *cb)
                        s->submodule_summary = -1;
                return 0;
        }
+       if (!strcmp(k, "status.short")) {
+               if (git_config_bool(k, v))
+                       status_deferred_config.status_format = STATUS_FORMAT_SHORT;
+               else
+                       status_deferred_config.status_format = STATUS_FORMAT_NONE;
+               return 0;
+       }
+       if (!strcmp(k, "status.branch")) {
+               status_deferred_config.show_branch = 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;
@@ -1173,19 +1220,22 @@ int cmd_status(int argc, const char **argv, const char *prefix)
                OPT__VERBOSE(&verbose, N_("be verbose")),
                OPT_SET_INT('s', "short", &status_format,
                            N_("show status concisely"), STATUS_FORMAT_SHORT),
-               OPT_BOOLEAN('b', "branch", &s.show_branch,
-                           N_("show branch information")),
+               OPT_BOOL('b', "branch", &s.show_branch,
+                        N_("show branch information")),
                OPT_SET_INT(0, "porcelain", &status_format,
                            N_("machine-readable output"),
                            STATUS_FORMAT_PORCELAIN),
-               OPT_BOOLEAN('z', "null", &s.null_termination,
-                           N_("terminate entries with NUL")),
+               OPT_SET_INT(0, "long", &status_format,
+                           N_("show status in long format (default)"),
+                           STATUS_FORMAT_LONG),
+               OPT_BOOL('z', "null", &s.null_termination,
+                        N_("terminate entries with NUL")),
                { OPTION_STRING, 'u', "untracked-files", &untracked_files_arg,
                  N_("mode"),
                  N_("show untracked files, optional modes: all, normal, no. (Default: all)"),
                  PARSE_OPT_OPTARG, NULL, (intptr_t)"all" },
-               OPT_BOOLEAN(0, "ignored", &show_ignored_in_status,
-                           N_("show ignored files")),
+               OPT_BOOL(0, "ignored", &show_ignored_in_status,
+                        N_("show ignored files")),
                { 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" },
@@ -1204,9 +1254,7 @@ int cmd_status(int argc, const char **argv, const char *prefix)
                             builtin_status_options,
                             builtin_status_usage, 0);
        finalize_colopts(&s.colopts, -1);
-
-       if (s.null_termination && status_format == STATUS_FORMAT_LONG)
-               status_format = STATUS_FORMAT_PORCELAIN;
+       finalize_deferred_config(&s);
 
        handle_untracked_files_arg(&s);
        if (show_ignored_in_status)
@@ -1235,6 +1283,10 @@ int cmd_status(int argc, const char **argv, const char *prefix)
        case STATUS_FORMAT_PORCELAIN:
                wt_porcelain_print(&s);
                break;
+       case STATUS_FORMAT_UNSPECIFIED:
+               die("BUG: finalize_deferred_config() should have been called");
+               break;
+       case STATUS_FORMAT_NONE:
        case STATUS_FORMAT_LONG:
                s.verbose = verbose;
                s.ignore_submodule_arg = ignore_submodule_arg;
@@ -1270,7 +1322,7 @@ static void print_summary(const char *prefix, const unsigned char *sha1,
                strbuf_addstr(&format, "\n Author: ");
                strbuf_addbuf_percentquote(&format, &author_ident);
        }
-       if (!user_ident_sufficiently_given()) {
+       if (!committer_ident_sufficiently_given()) {
                strbuf_addstr(&format, "\n Committer: ");
                strbuf_addbuf_percentquote(&format, &committer_ident);
                if (advice_implicit_identity) {
@@ -1325,6 +1377,8 @@ static int git_commit_config(const char *k, const char *v, void *cb)
                include_status = git_config_bool(k, v);
                return 0;
        }
+       if (!strcmp(k, "commit.cleanup"))
+               return git_config_string(&cleanup_arg, k, v);
 
        status = git_gpg_config(k, v, NULL);
        if (status)
@@ -1332,8 +1386,6 @@ static int git_commit_config(const char *k, const char *v, void *cb)
        return git_status_config(k, v, s);
 }
 
-static const char post_rewrite_hook[] = "hooks/post-rewrite";
-
 static int run_rewrite_hook(const unsigned char *oldsha1,
                            const unsigned char *newsha1)
 {
@@ -1344,10 +1396,10 @@ static int run_rewrite_hook(const unsigned char *oldsha1,
        int code;
        size_t n;
 
-       if (access(git_path(post_rewrite_hook), X_OK) < 0)
+       argv[0] = find_hook("post-rewrite");
+       if (!argv[0])
                return 0;
 
-       argv[0] = git_path(post_rewrite_hook);
        argv[1] = "amend";
        argv[2] = NULL;
 
@@ -1382,42 +1434,43 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
                OPT_STRING('C', "reuse-message", &use_message, N_("commit"), N_("reuse message from specified commit")),
                OPT_STRING(0, "fixup", &fixup_message, N_("commit"), N_("use autosquash formatted message to fixup specified commit")),
                OPT_STRING(0, "squash", &squash_message, N_("commit"), N_("use autosquash formatted message to squash specified commit")),
-               OPT_BOOLEAN(0, "reset-author", &renew_authorship, N_("the commit is authored by me now (used with -C/-c/--amend)")),
-               OPT_BOOLEAN('s', "signoff", &signoff, N_("add Signed-off-by:")),
+               OPT_BOOL(0, "reset-author", &renew_authorship, N_("the commit is authored by me now (used with -C/-c/--amend)")),
+               OPT_BOOL('s', "signoff", &signoff, N_("add Signed-off-by:")),
                OPT_FILENAME('t', "template", &template_file, N_("use specified template file")),
                OPT_BOOL('e', "edit", &edit_flag, N_("force edit of commit")),
                OPT_STRING(0, "cleanup", &cleanup_arg, N_("default"), N_("how to strip spaces and #comments from message")),
-               OPT_BOOLEAN(0, "status", &include_status, N_("include status in commit message template")),
+               OPT_BOOL(0, "status", &include_status, N_("include status in commit message template")),
                { OPTION_STRING, 'S', "gpg-sign", &sign_commit, N_("key id"),
                  N_("GPG sign commit"), PARSE_OPT_OPTARG, NULL, (intptr_t) "" },
                /* end commit message options */
 
                OPT_GROUP(N_("Commit contents options")),
-               OPT_BOOLEAN('a', "all", &all, N_("commit all changed files")),
-               OPT_BOOLEAN('i', "include", &also, N_("add specified files to index for commit")),
-               OPT_BOOLEAN(0, "interactive", &interactive, N_("interactively add files")),
-               OPT_BOOLEAN('p', "patch", &patch_interactive, N_("interactively add changes")),
-               OPT_BOOLEAN('o', "only", &only, N_("commit only specified files")),
-               OPT_BOOLEAN('n', "no-verify", &no_verify, N_("bypass pre-commit hook")),
-               OPT_BOOLEAN(0, "dry-run", &dry_run, N_("show what would be committed")),
+               OPT_BOOL('a', "all", &all, N_("commit all changed files")),
+               OPT_BOOL('i', "include", &also, N_("add specified files to index for commit")),
+               OPT_BOOL(0, "interactive", &interactive, N_("interactively add files")),
+               OPT_BOOL('p', "patch", &patch_interactive, N_("interactively add changes")),
+               OPT_BOOL('o', "only", &only, N_("commit only specified files")),
+               OPT_BOOL('n', "no-verify", &no_verify, N_("bypass pre-commit hook")),
+               OPT_BOOL(0, "dry-run", &dry_run, N_("show what would be committed")),
                OPT_SET_INT(0, "short", &status_format, N_("show status concisely"),
                            STATUS_FORMAT_SHORT),
-               OPT_BOOLEAN(0, "branch", &s.show_branch, N_("show branch information")),
+               OPT_BOOL(0, "branch", &s.show_branch, N_("show branch information")),
                OPT_SET_INT(0, "porcelain", &status_format,
                            N_("machine-readable output"), STATUS_FORMAT_PORCELAIN),
-               OPT_BOOLEAN('z', "null", &s.null_termination,
-                           N_("terminate entries with NUL")),
-               OPT_BOOLEAN(0, "amend", &amend, N_("amend previous commit")),
-               OPT_BOOLEAN(0, "no-post-rewrite", &no_post_rewrite, N_("bypass post-rewrite hook")),
+               OPT_SET_INT(0, "long", &status_format,
+                           N_("show status in long format (default)"),
+                           STATUS_FORMAT_LONG),
+               OPT_BOOL('z', "null", &s.null_termination,
+                        N_("terminate entries with NUL")),
+               OPT_BOOL(0, "amend", &amend, N_("amend previous commit")),
+               OPT_BOOL(0, "no-post-rewrite", &no_post_rewrite, N_("bypass post-rewrite hook")),
                { OPTION_STRING, 'u', "untracked-files", &untracked_files_arg, N_("mode"), N_("show untracked files, optional modes: all, normal, no. (Default: all)"), PARSE_OPT_OPTARG, NULL, (intptr_t)"all" },
                /* end commit contents options */
 
-               { OPTION_BOOLEAN, 0, "allow-empty", &allow_empty, NULL,
-                 N_("ok to record an empty change"),
-                 PARSE_OPT_NOARG | PARSE_OPT_HIDDEN },
-               { OPTION_BOOLEAN, 0, "allow-empty-message", &allow_empty_message, NULL,
-                 N_("ok to record a change with an empty message"),
-                 PARSE_OPT_NOARG | PARSE_OPT_HIDDEN },
+               OPT_HIDDEN_BOOL(0, "allow-empty", &allow_empty,
+                               N_("ok to record an empty change")),
+               OPT_HIDDEN_BOOL(0, "allow-empty-message", &allow_empty_message,
+                               N_("ok to record a change with an empty message")),
 
                OPT_END()
        };
@@ -1440,6 +1493,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
        wt_status_prepare(&s);
        gitmodules_config();
        git_config(git_commit_config, &s);
+       status_format = STATUS_FORMAT_NONE; /* Ignore status.short */
        determine_whence(&s);
        s.colopts = 0;
 
@@ -1601,7 +1655,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
                if (cfg) {
                        /* we are amending, so current_head is not NULL */
                        copy_note_for_rewrite(cfg, current_head->object.sha1, sha1);
-                       finish_copy_notes_for_rewrite(cfg);
+                       finish_copy_notes_for_rewrite(cfg, "Notes added by 'git commit --amend'");
                }
                run_rewrite_hook(current_head->object.sha1, sha1);
        }