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-rw-r--r--cache.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/cache.h b/cache.h
index 0501f7dca8..b76cdb2cc8 100644
--- a/cache.h
+++ b/cache.h
@@ -1000,10 +1000,17 @@ extern int read_ref(const char *refname, unsigned char *sha1);
* resolved. The function returns NULL for such ref names.
* Caps and underscores refers to the special refs, such as HEAD,
* FETCH_HEAD and friends, that all live outside of the refs/ directory.
+ *
+ * RESOLVE_REF_ALLOW_BAD_SHA1 when this flag is set and the ref contains
+ * an invalid sha1, resolve_ref_unsafe will clear the sha1 argument,
+ * set the REF_ISBROKEN flag and return the refname.
+ * This allows using resolve_ref_unsafe to check for existence of such
+ * broken refs.
*/
#define RESOLVE_REF_READING 0x01
#define RESOLVE_REF_NO_RECURSE 0x02
#define RESOLVE_REF_ALLOW_BAD_NAME 0x04
+#define RESOLVE_REF_ALLOW_BAD_SHA1 0x08
extern const char *resolve_ref_unsafe(const char *ref, int resolve_flags, unsigned char *sha1, int *flags);
extern char *resolve_refdup(const char *ref, int resolve_flags, unsigned char *sha1, int *flags);