branch: factor out "upstream is not a branch" error messages

diff --git a/branch.c b/branch.c
index 2bef1e7e71b7cb3375b3d96fab5c4f20e0c3adff..1acbd4e6d37a536c9236528d616a418d84f44ba1 100644 (file)
--- a/branch.c
+++ b/branch.c
@@ -197,6 +197,9 @@ int validate_new_branchname(const char *name, struct strbuf *ref,
        return 1;
 }
 
+static const char upstream_not_branch[] =
+N_("Cannot setup tracking information; starting point is not a branch.");
+
 void create_branch(const char *head,
                   const char *name, const char *start_name,
                   int force, int reflog, int clobber_head,
@@ -231,14 +234,14 @@ void create_branch(const char *head,
        case 0:
                /* Not branching from any existing branch */
                if (explicit_tracking)
-                       die("Cannot setup tracking information; starting point is not a branch.");
+                       die(_(upstream_not_branch));
                break;
        case 1:
                /* Unique completion -- good, only if it is a real branch */
                if (prefixcmp(real_ref, "refs/heads/") &&
                    prefixcmp(real_ref, "refs/remotes/")) {
                        if (explicit_tracking)
-                               die("Cannot setup tracking information; starting point is not a branch.");
+                               die(_(upstream_not_branch));
                        else
                                real_ref = NULL;
                }