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-rw-r--r--refs.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/refs.c b/refs.c
index aa4c4e0..305c1a9 100644
--- a/refs.c
+++ b/refs.c
@@ -234,6 +234,12 @@ const char *resolve_ref(const char *ref, unsigned char *sha1, int reading, int *
}
}
+ /* Is it a directory? */
+ if (S_ISDIR(st.st_mode)) {
+ errno = EISDIR;
+ return NULL;
+ }
+
/*
* Anything else, just open it and try to use it as
* a ref