transport.c: introduce core.alternateRefsCommand

diff --git a/cache.h b/cache.h
index aee36afa545abd1952eae9b965df0313628ac45e..4d014541ab7bc7692919c871a5306543bbf361c5 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -868,11 +868,9 @@ void reset_shared_repository(void);
  * Do replace refs need to be checked this run?  This variable is
  * initialized to true unless --no-replace-object is used or
  * $GIT_NO_REPLACE_OBJECTS is set, but is set to false by some
- * commands that do not want replace references to be active.  As an
- * optimization it is also set to false if replace references have
- * been sought but there were none.
+ * commands that do not want replace references to be active.
  */
-extern int check_replace_refs;
+extern int read_replace_refs;
 extern char *git_replace_ref_base;
 
 extern int fsync_object_files;
@@ -919,15 +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,
@@ -944,7 +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;
 
@@ -1035,6 +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);
 }
 
@@ -1425,18 +1423,20 @@ extern void *read_object_with_reference(const struct object_id *oid,
 extern struct object *peel_to_type(const char *name, int namelen,
                                   struct object *o, enum object_type);
 
+enum date_mode_type {
+       DATE_NORMAL = 0,
+       DATE_RELATIVE,
+       DATE_SHORT,
+       DATE_ISO8601,
+       DATE_ISO8601_STRICT,
+       DATE_RFC2822,
+       DATE_STRFTIME,
+       DATE_RAW,
+       DATE_UNIX
+};
+
 struct date_mode {
-       enum date_mode_type {
-               DATE_NORMAL = 0,
-               DATE_RELATIVE,
-               DATE_SHORT,
-               DATE_ISO8601,
-               DATE_ISO8601_STRICT,
-               DATE_RFC2822,
-               DATE_STRFTIME,
-               DATE_RAW,
-               DATE_UNIX
-       } type;
+       enum date_mode_type type;
        const char *strftime_fmt;
        int local;
 };