clone: better error when --reference is a linked checkout

diff --git a/commit.h b/commit.h
index 4789839bd02dd638ef03e7b42c4a1b3f9824455f..5d58be0017a8eb26cd3f58c1e3b0b610f684beba 100644 (file)
--- a/commit.h
+++ b/commit.h
@@ -145,7 +145,7 @@ struct pretty_print_context {
        const char *subject;
        const char *after_subject;
        int preserve_subject;
-       enum date_mode date_mode;
+       struct date_mode date_mode;
        unsigned date_mode_explicit:1;
        int need_8bit_cte;
        char *notes_message;
@@ -230,9 +230,9 @@ enum rev_sort_order {
 void sort_in_topological_order(struct commit_list **, enum rev_sort_order);
 
 struct commit_graft {
-       unsigned char sha1[20];
+       struct object_id oid;
        int nr_parent; /* < 0 if shallow commit */
-       unsigned char parent[FLEX_ARRAY][20]; /* more */
+       struct object_id parent[FLEX_ARRAY]; /* more */
 };
 typedef int (*each_commit_graft_fn)(const struct commit_graft *, void *);
 
@@ -379,7 +379,7 @@ extern void print_commit_list(struct commit_list *list,
  * at all.  This may allocate memory for sig->gpg_output, sig->gpg_status,
  * sig->signer and sig->key.
  */
-extern void check_commit_signature(const struct commit *commit, struct signature_check *sigc);
+extern int check_commit_signature(const struct commit *commit, struct signature_check *sigc);
 
 int compare_commits_by_commit_date(const void *a_, const void *b_, void *unused);