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-rw-r--r--builtin/replace.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/builtin/replace.c b/builtin/replace.c
index 59d3115..95736d9 100644
--- a/builtin/replace.c
+++ b/builtin/replace.c
@@ -85,6 +85,7 @@ static int replace_object(const char *object_ref, const char *replace_ref,
int force)
{
unsigned char object[20], prev[20], repl[20];
+ enum object_type obj_type, repl_type;
char ref[PATH_MAX];
struct ref_lock *lock;
@@ -100,6 +101,15 @@ static int replace_object(const char *object_ref, const char *replace_ref,
if (check_refname_format(ref, 0))
die("'%s' is not a valid ref name.", ref);
+ obj_type = sha1_object_info(object, NULL);
+ repl_type = sha1_object_info(repl, NULL);
+ if (!force && obj_type != repl_type)
+ die("Objects must be of the same type.\n"
+ "'%s' points to a replaced object of type '%s'\n"
+ "while '%s' points to a replacement object of type '%s'.",
+ object_ref, typename(obj_type),
+ replace_ref, typename(repl_type));
+
if (read_ref(ref, prev))
hashclr(prev);
else if (!force)