expire_reflog(): extract two policy-related functions

diff --git a/refs.h b/refs.h
index c61b8f442fc2eb62a003fe7ec1b44f0254a533ec..7d675b71276b36c3235eed93412c733a4bcaf6a6 100644 (file)
--- a/refs.h
+++ b/refs.h
@@ -56,11 +56,19 @@ struct ref_transaction;
 
 /*
  * Reference cannot be resolved to an object name: dangling symbolic
- * reference (directly or indirectly), corrupt reference file, or
- * symbolic reference refers to ill-formatted reference name.
+ * reference (directly or indirectly), corrupt reference file,
+ * reference exists but name is bad, or symbolic reference refers to
+ * ill-formatted reference name.
  */
 #define REF_ISBROKEN 0x04
 
+/*
+ * Reference name is not well formed.
+ *
+ * See git-check-ref-format(1) for the definition of well formed ref names.
+ */
+#define REF_BAD_NAME 0x08
+
 /*
  * The signature for the callback function for the for_each_*()
  * functions below.  The memory pointed to by the refname and sha1
@@ -275,7 +283,7 @@ struct ref_transaction *ref_transaction_begin(struct strbuf *err);
 
 /*
  * Add a reference update to transaction.  new_sha1 is the value that
- * the reference should have after the update, or zeros if it should
+ * the reference should have after the update, or null_sha1 if it should
  * be deleted.  If have_old is true, then old_sha1 holds the value
  * that the reference should have had before the update, or zeros if
  * it must not have existed beforehand.