rerere.c: remove implicit dependency on the_index

diff --git a/cache.h b/cache.h
index 66d3b91cdb1d14bbe2499f90a0e1f6d9785b4b37..094652a503b4cf017887176ac404342824c98384 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -703,7 +703,7 @@ extern int unmerged_index(const struct index_state *);
  * provided, the space-separated list of files that differ will be appended
  * to it.
  */
-extern int index_has_changes(const struct index_state *istate,
+extern int index_has_changes(struct index_state *istate,
                             struct tree *tree,
                             struct strbuf *sb);
 
@@ -787,8 +787,8 @@ extern int ie_modified(struct index_state *, const struct cache_entry *, struct
 #define HASH_WRITE_OBJECT 1
 #define HASH_FORMAT_CHECK 2
 #define HASH_RENORMALIZE  4
-extern int index_fd(struct object_id *oid, int fd, struct stat *st, enum object_type type, const char *path, unsigned flags);
-extern int index_path(struct object_id *oid, const char *path, struct stat *st, unsigned flags);
+extern int index_fd(struct index_state *istate, struct object_id *oid, int fd, struct stat *st, enum object_type type, const char *path, unsigned flags);
+extern int index_path(struct index_state *istate, struct object_id *oid, const char *path, struct stat *st, unsigned flags);
 
 /*
  * Record to sd the data from st that we use to check whether a file
@@ -917,15 +917,6 @@ enum log_refs_config {
 };
 extern enum log_refs_config log_all_ref_updates;
 
-enum branch_track {
-       BRANCH_TRACK_UNSPECIFIED = -1,
-       BRANCH_TRACK_NEVER = 0,
-       BRANCH_TRACK_REMOTE,
-       BRANCH_TRACK_ALWAYS,
-       BRANCH_TRACK_EXPLICIT,
-       BRANCH_TRACK_OVERRIDE
-};
-
 enum rebase_setup_type {
        AUTOREBASE_NEVER = 0,
        AUTOREBASE_LOCAL,
@@ -942,7 +933,6 @@ enum push_default_type {
        PUSH_DEFAULT_UNSPECIFIED
 };
 
-extern enum branch_track git_branch_track;
 extern enum rebase_setup_type autorebase;
 extern enum push_default_type push_default;
 
@@ -1033,6 +1023,16 @@ extern const struct object_id null_oid;
 
 static inline int hashcmp(const unsigned char *sha1, const unsigned char *sha2)
 {
+       /*
+        * This is a temporary optimization hack. By asserting the size here,
+        * we let the compiler know that it's always going to be 20, which lets
+        * it turn this fixed-size memcmp into a few inline instructions.
+        *
+        * This will need to be extended or ripped out when we learn about
+        * hashes of different sizes.
+        */
+       if (the_hash_algo->rawsz != 20)
+               BUG("hash size not yet supported by hashcmp");
        return memcmp(sha1, sha2, the_hash_algo->rawsz);
 }
 
@@ -1716,10 +1716,12 @@ extern struct startup_info *startup_info;
 
 /* merge.c */
 struct commit_list;
-int try_merge_command(const char *strategy, size_t xopts_nr,
+int try_merge_command(struct repository *r,
+               const char *strategy, size_t xopts_nr,
                const char **xopts, struct commit_list *common,
                const char *head_arg, struct commit_list *remotes);
-int checkout_fast_forward(const struct object_id *from,
+int checkout_fast_forward(struct repository *r,
+                         const struct object_id *from,
                          const struct object_id *to,
                          int overwrite_ignore);