Provide 'git merge --abort' as a synonym to 'git reset --merge'

diff --git a/builtin/merge.c b/builtin/merge.c
index 478a4921aff4daadd4c9683414754cfebfa12717..0539f7c91289a5707330391424a81d8ba3ba7df9 100644 (file)
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -56,6 +56,7 @@ static size_t xopts_nr, xopts_alloc;
 static const char *branch;
 static int verbosity;
 static int allow_rerere_auto;
+static int abort_current_merge;
 
 static struct strategy all_strategy[] = {
        { "recursive",  DEFAULT_TWOHEAD | NO_TRIVIAL },
@@ -194,6 +195,8 @@ static struct option builtin_merge_options[] = {
                "message to be used for the merge commit (if any)",
                option_parse_message),
        OPT__VERBOSITY(&verbosity),
+       OPT_BOOLEAN(0, "abort", &abort_current_merge,
+               "abort the current in-progress merge"),
        OPT_END()
 };
 
@@ -914,6 +917,17 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
        argc = parse_options(argc, argv, prefix, builtin_merge_options,
                        builtin_merge_usage, 0);
 
+       if (abort_current_merge) {
+               int nargc = 2;
+               const char *nargv[] = {"reset", "--merge", NULL};
+
+               if (!file_exists(git_path("MERGE_HEAD")))
+                       die("There is no merge to abort (MERGE_HEAD missing).");
+
+               /* Invoke 'git reset --merge' */
+               return cmd_reset(nargc, nargv, prefix);
+       }
+
        if (read_cache_unmerged())
                die_resolve_conflict("merge");