format-patch: improve head calculation for cover-letter

diff --git a/remote.h b/remote.h
index 251d8fd9654f23e7a131765742803492fb0d9041..8743d6ef9df69167c08f3ea9b79b91fbd6ab09d3 100644 (file)
--- a/remote.h
+++ b/remote.h
@@ -62,6 +62,7 @@ struct refspec {
        unsigned force : 1;
        unsigned pattern : 1;
        unsigned matching : 1;
+       unsigned exact_sha1 : 1;
 
        char *src;
        char *dst;
@@ -148,7 +149,8 @@ enum match_refs_flags {
        MATCH_REFS_NONE         = 0,
        MATCH_REFS_ALL          = (1 << 0),
        MATCH_REFS_MIRROR       = (1 << 1),
-       MATCH_REFS_PRUNE        = (1 << 2)
+       MATCH_REFS_PRUNE        = (1 << 2),
+       MATCH_REFS_FOLLOW_TAGS  = (1 << 3)
 };
 
 /* Reporting of tracking info */