builtin-help: fallback to GIT_MAN_VIEWER before man

diff --git a/pack-revindex.c b/pack-revindex.c
index cd300bdff5b524a4d509ba5276e9ef21f443013d..6096b6224ad551086afa346617eb714c15a51f78 100644 (file)
--- a/pack-revindex.c
+++ b/pack-revindex.c
@@ -142,3 +142,15 @@ struct revindex_entry *find_pack_revindex(struct packed_git *p, off_t ofs)
        } while (lo < hi);
        die("internal error: pack revindex corrupt");
 }
+
+void discard_revindex(void)
+{
+       if (pack_revindex_hashsz) {
+               int i;
+               for (i = 0; i < pack_revindex_hashsz; i++)
+                       if (pack_revindex[i].revindex)
+                               free(pack_revindex[i].revindex);
+               free(pack_revindex);
+               pack_revindex_hashsz = 0;
+       }
+}