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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 5f80a68..72e2283 100644
--- a/refs.c
+++ b/refs.c
@@ -280,6 +280,12 @@ static int do_for_each_ref(const char *base, int (*fn)(const char *path, const u
}
if (strncmp(base, entry->name, trim))
continue;
+ if (is_null_sha1(entry->sha1))
+ continue;
+ if (!has_sha1_file(entry->sha1)) {
+ error("%s does not point to a valid object!", entry->name);
+ continue;
+ }
retval = fn(entry->name + trim, entry->sha1);
if (retval)
return retval;