branch: use skip_prefix() in install_branch_config()

The install_branch_config() function reimplemented the skip_prefix()
function inline.

Reported-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Brian Gesiak <modocache@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/branch.c b/branch.c
index 723a36bc540e41fe30b7b4fc2c8e893c4744ef3a..e163f3ca6406c5b7e01f3fec4b52ef9c8bba73fa 100644 (file)
--- a/branch.c
+++ b/branch.c
@@ -1,3 +1,4 @@
+#include "git-compat-util.h"
 #include "cache.h"
 #include "branch.h"
 #include "refs.h"
@@ -49,12 +50,11 @@ static int should_setup_rebase(const char *origin)
 
 void install_branch_config(int flag, const char *local, const char *origin, const char *remote)
 {
-       const char *shortname = remote + 11;
-       int remote_is_branch = starts_with(remote, "refs/heads/");
+       const char *shortname = skip_prefix(remote, "refs/heads/");
        struct strbuf key = STRBUF_INIT;
        int rebasing = should_setup_rebase(origin);
 
-       if (remote_is_branch
+       if (shortname
            && !strcmp(local, shortname)
            && !origin) {
                warning(_("Not setting branch %s as its own upstream."),
@@ -77,29 +77,29 @@ void install_branch_config(int flag, const char *local, const char *origin, cons
        strbuf_release(&key);
 
        if (flag & BRANCH_CONFIG_VERBOSE) {
-               if (remote_is_branch && origin)
+               if (shortname && origin)
                        printf_ln(rebasing ?
                                  _("Branch %s set up to track remote branch %s from %s by rebasing.") :
                                  _("Branch %s set up to track remote branch %s from %s."),
                                  local, shortname, origin);
-               else if (remote_is_branch && !origin)
+               else if (shortname && !origin)
                        printf_ln(rebasing ?
                                  _("Branch %s set up to track local branch %s by rebasing.") :
                                  _("Branch %s set up to track local branch %s."),
                                  local, shortname);
-               else if (!remote_is_branch && origin)
+               else if (!shortname && origin)
                        printf_ln(rebasing ?
                                  _("Branch %s set up to track remote ref %s by rebasing.") :
                                  _("Branch %s set up to track remote ref %s."),
                                  local, remote);
-               else if (!remote_is_branch && !origin)
+               else if (!shortname && !origin)
                        printf_ln(rebasing ?
                                  _("Branch %s set up to track local ref %s by rebasing.") :
                                  _("Branch %s set up to track local ref %s."),
                                  local, remote);
                else
-                       die("BUG: impossible combination of %d and %p",
-                           remote_is_branch, origin);
+                       die("BUG: impossible combination of %p and %p",
+                           shortname, origin);
        }
 }