merge: add scissors line on merge conflict
[gitweb.git] / builtin / commit.c
index f96b90daeb5390b44fd9cef403a6048609fbad66..5401a60cbea6b4bfbb3bf3cf141c3597462c2d0e 100644 (file)
@@ -5,6 +5,7 @@
  * Based on git-commit.sh by Junio C Hamano and Linus Torvalds
  */
 
+#define USE_THE_INDEX_COMPATIBILITY_MACROS
 #include "cache.h"
 #include "config.h"
 #include "lockfile.h"
@@ -351,7 +352,7 @@ static const char *prepare_index(int argc, const char **argv, const char *prefix
                if (write_locked_index(&the_index, &index_lock, 0))
                        die(_("unable to create temporary index"));
 
-               old_index_env = getenv(INDEX_ENVIRONMENT);
+               old_index_env = xstrdup_or_null(getenv(INDEX_ENVIRONMENT));
                setenv(INDEX_ENVIRONMENT, get_lock_file_path(&index_lock), 1);
 
                if (interactive_add(argc, argv, prefix, patch_interactive) != 0)
@@ -361,6 +362,7 @@ static const char *prepare_index(int argc, const char **argv, const char *prefix
                        setenv(INDEX_ENVIRONMENT, old_index_env, 1);
                else
                        unsetenv(INDEX_ENVIRONMENT);
+               FREE_AND_NULL(old_index_env);
 
                discard_cache();
                read_cache_from(get_lock_file_path(&index_lock));
@@ -666,6 +668,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
        const char *hook_arg2 = NULL;
        int clean_message_contents = (cleanup_mode != COMMIT_MSG_CLEANUP_NONE);
        int old_display_comment_prefix;
+       int merge_contains_scissors = 0;
 
        /* This checks and barfs if author is badly specified */
        determine_author_info(author_ident);
@@ -726,6 +729,8 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
                        strbuf_addbuf(&sb, &message);
                hook_arg1 = "message";
        } else if (!stat(git_path_merge_msg(the_repository), &statbuf)) {
+               size_t merge_msg_start;
+
                /*
                 * prepend SQUASH_MSG here if it exists and a
                 * "merge --squash" was originally performed
@@ -736,8 +741,16 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
                        hook_arg1 = "squash";
                } else
                        hook_arg1 = "merge";
+
+               merge_msg_start = sb.len;
                if (strbuf_read_file(&sb, git_path_merge_msg(the_repository), 0) < 0)
                        die_errno(_("could not read MERGE_MSG"));
+
+               if (cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS &&
+                   wt_status_locate_end(sb.buf + merge_msg_start,
+                                        sb.len - merge_msg_start) <
+                               sb.len - merge_msg_start)
+                       merge_contains_scissors = 1;
        } else if (!stat(git_path_squash_msg(the_repository), &statbuf)) {
                if (strbuf_read_file(&sb, git_path_squash_msg(the_repository), 0) < 0)
                        die_errno(_("could not read SQUASH_MSG"));
@@ -805,7 +818,8 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
                struct ident_split ci, ai;
 
                if (whence != FROM_COMMIT) {
-                       if (cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS)
+                       if (cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS &&
+                               !merge_contains_scissors)
                                wt_status_add_cut_line(s->fp);
                        status_printf_ln(s, GIT_COLOR_NORMAL,
                            whence == FROM_MERGE
@@ -830,10 +844,10 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
                                _("Please enter the commit message for your changes."
                                  " Lines starting\nwith '%c' will be ignored, and an empty"
                                  " message aborts the commit.\n"), comment_line_char);
-               else if (cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS &&
-                        whence == FROM_COMMIT)
-                       wt_status_add_cut_line(s->fp);
-               else /* COMMIT_MSG_CLEANUP_SPACE, that is. */
+               else if (cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS) {
+                       if (whence == FROM_COMMIT && !merge_contains_scissors)
+                               wt_status_add_cut_line(s->fp);
+               else /* COMMIT_MSG_CLEANUP_SPACE, that is. */
                        status_printf(s, GIT_COLOR_NORMAL,
                                _("Please enter the commit message for your changes."
                                  " Lines starting\n"
@@ -1037,6 +1051,10 @@ static void handle_untracked_files_arg(struct wt_status *s)
                s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
        else if (!strcmp(untracked_files_arg, "all"))
                s->show_untracked_files = SHOW_ALL_UNTRACKED_FILES;
+       /*
+        * Please update $__git_untracked_file_modes in
+        * git-completion.bash when you add new options
+        */
        else
                die(_("Invalid untracked files mode '%s'"), untracked_files_arg);
 }
@@ -1166,20 +1184,7 @@ 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 (!cleanup_arg || !strcmp(cleanup_arg, "default"))
-               cleanup_mode = use_editor ? COMMIT_MSG_CLEANUP_ALL :
-                                           COMMIT_MSG_CLEANUP_SPACE;
-       else if (!strcmp(cleanup_arg, "verbatim"))
-               cleanup_mode = COMMIT_MSG_CLEANUP_NONE;
-       else if (!strcmp(cleanup_arg, "whitespace"))
-               cleanup_mode = COMMIT_MSG_CLEANUP_SPACE;
-       else if (!strcmp(cleanup_arg, "strip"))
-               cleanup_mode = COMMIT_MSG_CLEANUP_ALL;
-       else if (!strcmp(cleanup_arg, "scissors"))
-               cleanup_mode = use_editor ? COMMIT_MSG_CLEANUP_SCISSORS :
-                                           COMMIT_MSG_CLEANUP_SPACE;
-       else
-               die(_("Invalid cleanup mode %s"), cleanup_arg);
+       cleanup_mode = get_cleanup_mode(cleanup_arg, use_editor);
 
        handle_untracked_files_arg(s);
 
@@ -1368,7 +1373,7 @@ int cmd_status(int argc, const char **argv, const char *prefix)
        if (status_format != STATUS_FORMAT_PORCELAIN &&
            status_format != STATUS_FORMAT_PORCELAIN_V2)
                progress_flag = REFRESH_PROGRESS;
-       read_index(&the_index);
+       repo_read_index(the_repository);
        refresh_index(&the_index,
                      REFRESH_QUIET|REFRESH_UNMERGED|progress_flag,
                      &s.pathspec, NULL, NULL);
@@ -1397,7 +1402,7 @@ int cmd_status(int argc, const char **argv, const char *prefix)
        wt_status_collect(&s);
 
        if (0 <= fd)
-               update_index_if_able(&the_index, &index_lock);
+               repo_update_index_if_able(the_repository, &index_lock);
 
        if (s.relative_paths)
                s.prefix = prefix;
@@ -1480,7 +1485,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
                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_CLEANUP(&cleanup_arg),
                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) "" },
@@ -1616,11 +1621,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
                die(_("could not read commit message: %s"), strerror(saved_errno));
        }
 
-       if (verbose || /* Truncate the message just before the diff, if any. */
-           cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS)
-               strbuf_setlen(&sb, wt_status_locate_end(sb.buf, sb.len));
-       if (cleanup_mode != COMMIT_MSG_CLEANUP_NONE)
-               strbuf_stripspace(&sb, cleanup_mode == COMMIT_MSG_CLEANUP_ALL);
+       cleanup_message(&sb, cleanup_mode, verbose);
 
        if (message_is_empty(&sb, cleanup_mode) && !allow_empty_message) {
                rollback_index_files();
@@ -1675,7 +1676,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
        run_command_v_opt(argv_gc_auto, RUN_GIT_CMD);
        run_commit_hook(use_editor, get_index_file(), "post-commit", NULL);
        if (amend && !no_post_rewrite) {
-               commit_post_rewrite(current_head, &oid);
+               commit_post_rewrite(the_repository, current_head, &oid);
        }
        if (!quiet) {
                unsigned int flags = 0;