X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=commit.h;h=57c1b62faf2b0e4dffcfec45baa6bdf1ce883350;hb=2160a025d2a20202e323d33d879521d23e28b709;hp=51d95764ab121257ebba0050d54146f11188d2c2;hpb=a3437b8c26a63d971437c8b6ac6f6d4f632be548;p=git.git

diff --git a/commit.h b/commit.h
index 51d95764..57c1b62f 100644
--- a/commit.h
+++ b/commit.h
@@ -19,8 +19,8 @@ struct commit {
 
 extern const char *commit_type;
 
-struct commit *lookup_commit(unsigned char *sha1);
-struct commit *lookup_commit_reference(unsigned char *sha1);
+struct commit *lookup_commit(const unsigned char *sha1);
+struct commit *lookup_commit_reference(const unsigned char *sha1);
 
 int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size);