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-rw-r--r--builtin-merge.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/builtin-merge.c b/builtin-merge.c
index a201c6628..7759a0b1e 100644
--- a/builtin-merge.c
+++ b/builtin-merge.c
@@ -833,6 +833,11 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
if (argc != 1)
die("Can merge only exactly one commit into "
"empty head");
+ if (squash)
+ die("Squash commit into empty head not supported yet");
+ if (!allow_fast_forward)
+ die("Non-fast-forward commit does not make sense into "
+ "an empty head");
remote_head = peel_to_type(argv[0], 0, NULL, OBJ_COMMIT);
if (!remote_head)
die("%s - not something we can merge", argv[0]);