Add howto about separating topics.

diff --git a/refs.c b/refs.c
index 7a2c56e64b8cea71a83217ba39e718234b96b876..d01fc3984a56e288e175f8201783f18dfe978c10 100644 (file)
--- a/refs.c
+++ b/refs.c
@@ -6,10 +6,6 @@
 /* We allow "recursive" symbolic refs. Only within reason, though */
 #define MAXDEPTH 5
 
-#ifndef USE_SYMLINK_HEAD
-#define USE_SYMLINK_HEAD 1
-#endif
-
 const char *resolve_ref(const char *path, unsigned char *sha1, int reading)
 {
        int depth = MAXDEPTH, len;
@@ -80,7 +76,7 @@ int create_symref(const char *git_HEAD, const char *refs_heads_master)
        char ref[1000];
        int fd, len, written;
 
-#if USE_SYMLINK_HEAD
+#ifdef USE_SYMLINK_HEAD
        if (!only_use_symrefs) {
                unlink(git_HEAD);
                if (!symlink(refs_heads_master, git_HEAD))
@@ -347,14 +343,6 @@ int check_ref_format(const char *ref)
                if (!ch) {
                        if (level < 2)
                                return -1; /* at least of form "heads/blah" */
-
-                       /* Do not allow ref name to end in "HEAD"
-                        * Note that cp is poiting at one past NUL at the end.
-                        * i.e. cp[-1] = NUL.
-                        */
-                       if (5 <= cp - ref && !strcmp(cp - 5, "HEAD"))
-                               return -1;
-
                        return 0;
                }
        }