Restore more old Git completion behaviour.

If we can't figure out a head print nothing rather than (unknown) as
this can get annoying when becoming other users and/or changing into
trees without permissions on the .git directory.

diff --git a/.profile.d/git-completion.bashrc b/.profile.d/git-completion.bashrc
index 5966932..481112d 100644 (file)
--- a/.profile.d/git-completion.bashrc
+++ b/.profile.d/git-completion.bashrc
@@ -119,9 +119,7 @@ __git_ps1 ()
                                        git describe --exact-match HEAD ;;
                                esac 2>/dev/null)" ||
 
-                               b="$(cut -c1-7 "$g/HEAD" 2>/dev/null)..." ||
-                               b="unknown"
-                               b="($b)"
+                               b="$(cut -c1-7 "$g/HEAD" 2>/dev/null)..." || return
                        }
                fi