Documentation: add documentation for "git replace"

diff --git a/refs.c b/refs.c
index 2b1f0f0e6ed7978107e5b488f8d12f6276e482a4..6a136512c716c2169aed82107d077aad5142095c 100644 (file)
--- a/refs.c
+++ b/refs.c
@@ -667,6 +667,11 @@ int for_each_remote_ref(each_ref_fn fn, void *cb_data)
        return for_each_ref_in("refs/remotes/", fn, cb_data);
 }
 
+int for_each_replace_ref(each_ref_fn fn, void *cb_data)
+{
+       return do_for_each_ref("refs/replace/", fn, 13, 0, cb_data);
+}
+
 int for_each_rawref(each_ref_fn fn, void *cb_data)
 {
        return do_for_each_ref("refs/", fn, 0,
@@ -682,12 +687,13 @@ int for_each_rawref(each_ref_fn fn, void *cb_data)
  * - it has ASCII control character, "~", "^", ":" or SP, anywhere, or
  * - it ends with a "/".
  * - it ends with ".lock"
+ * - it contains a "\" (backslash)
  */
 
 static inline int bad_ref_char(int ch)
 {
        if (((unsigned) ch) <= ' ' ||
-           ch == '~' || ch == '^' || ch == ':')
+           ch == '~' || ch == '^' || ch == ':' || ch == '\\')
                return 1;
        /* 2.13 Pattern Matching Notation */
        if (ch == '?' || ch == '[') /* Unsupported */
@@ -750,9 +756,8 @@ int check_ref_format(const char *ref)
        }
 }
 
-const char *prettify_ref(const struct ref *ref)
+const char *prettify_refname(const char *name)
 {
-       const char *name = ref->name;
        return name + (
                !prefixcmp(name, "refs/heads/") ? 11 :
                !prefixcmp(name, "refs/tags/") ? 10 :
@@ -893,8 +898,10 @@ static struct ref_lock *lock_ref_sha1_basic(const char *ref, const unsigned char
         * name is a proper prefix of our refname.
         */
        if (missing &&
-            !is_refname_available(ref, NULL, get_packed_refs(), 0))
+            !is_refname_available(ref, NULL, get_packed_refs(), 0)) {
+               last_errno = ENOTDIR;
                goto error_return;
+       }
 
        lock->lk = xcalloc(1, sizeof(struct lock_file));