Merge branch 'nd/merge-quit'

diff --git a/builtin/merge.c b/builtin/merge.c
index e96f72af8044769df6b4ef42f0525b572b0c39e2..5c83f89cc639c43754a1091be80c32a486c9a291 100644 (file)
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -37,6 +37,7 @@
 #include "packfile.h"
 #include "tag.h"
 #include "alias.h"
+#include "branch.h"
 #include "commit-reach.h"
 #include "wt-status.h"
 
@@ -73,6 +74,7 @@ static int option_renormalize;
 static int verbosity;
 static int allow_rerere_auto;
 static int abort_current_merge;
+static int quit_current_merge;
 static int continue_current_merge;
 static int allow_unrelated_histories;
 static int show_progress = -1;
@@ -274,6 +276,8 @@ static struct option builtin_merge_options[] = {
        OPT__VERBOSITY(&verbosity),
        OPT_BOOL(0, "abort", &abort_current_merge,
                N_("abort the current in-progress merge")),
+       OPT_BOOL(0, "quit", &quit_current_merge,
+               N_("--abort but leave index and working tree alone")),
        OPT_BOOL(0, "continue", &continue_current_merge,
                N_("continue the current in-progress merge")),
        OPT_BOOL(0, "allow-unrelated-histories", &allow_unrelated_histories,
@@ -287,14 +291,6 @@ static struct option builtin_merge_options[] = {
        OPT_END()
 };
 
-/* Cleans up metadata that is uninteresting after a succeeded merge. */
-static void drop_save(void)
-{
-       unlink(git_path_merge_head(the_repository));
-       unlink(git_path_merge_msg(the_repository));
-       unlink(git_path_merge_mode(the_repository));
-}
-
 static int save_state(struct object_id *stash)
 {
        int len;
@@ -388,7 +384,7 @@ static void finish_up_to_date(const char *msg)
 {
        if (verbosity >= 0)
                printf("%s%s\n", squash ? _(" (nothing to squash)") : "", msg);
-       drop_save();
+       remove_merge_branch_state(the_repository);
 }
 
 static void squash_message(struct commit *commit, struct commit_list *remoteheads)
@@ -881,7 +877,7 @@ static int merge_trivial(struct commit *head, struct commit_list *remoteheads)
                        &result_commit, NULL, sign_commit))
                die(_("failed to write commit object"));
        finish(head, remoteheads, &result_commit, "In-index merge");
-       drop_save();
+       remove_merge_branch_state(the_repository);
        return 0;
 }
 
@@ -907,7 +903,7 @@ static int finish_automerge(struct commit *head,
        strbuf_addf(&buf, "Merge made by the '%s' strategy.", wt_strategy);
        finish(head, remoteheads, &result_commit, buf.buf);
        strbuf_release(&buf);
-       drop_save();
+       remove_merge_branch_state(the_repository);
        return 0;
 }
 
@@ -1289,6 +1285,16 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
                goto done;
        }
 
+       if (quit_current_merge) {
+               if (orig_argc != 2)
+                       usage_msg_opt(_("--quit expects no arguments"),
+                                     builtin_merge_usage,
+                                     builtin_merge_options);
+
+               remove_merge_branch_state(the_repository);
+               goto done;
+       }
+
        if (continue_current_merge) {
                int nargc = 1;
                const char *nargv[] = {"commit", NULL};
@@ -1495,7 +1501,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
                }
 
                finish(head_commit, remoteheads, &commit->object.oid, msg.buf);
-               drop_save();
+               remove_merge_branch_state(the_repository);
                goto done;
        } else if (!remoteheads->next && common->next)
                ;