setup_git_directory: make sure GIT_DIR is a valid repository.

diff --git a/commit.h b/commit.h
index 5d179d4dc891947e1f8421184f1030bfda245cf7..6738a696d7d7861188873cf7f7279bc8c19545d5 100644 (file)
--- a/commit.h
+++ b/commit.h
@@ -17,10 +17,13 @@ struct commit {
        char *buffer;
 };
 
+extern int save_commit_buffer;
 extern const char *commit_type;
 
 struct commit *lookup_commit(const unsigned char *sha1);
 struct commit *lookup_commit_reference(const unsigned char *sha1);
+struct commit *lookup_commit_reference_gently(const unsigned char *sha1,
+                                             int quiet);
 
 int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size);
 
@@ -40,6 +43,7 @@ enum cmit_fmt {
        CMIT_FMT_DEFAULT = CMIT_FMT_MEDIUM,
        CMIT_FMT_SHORT,
        CMIT_FMT_FULL,
+       CMIT_FMT_FULLER,
        CMIT_FMT_ONELINE,
 };