correct(er) handling of colour-characters

1 files changed, 5 insertions, 9 deletions

diff --git a/bash-git-prompt.in b/bash-git-prompt.in
index e39ea81..0c06894 100755
--- a/bash-git-prompt.in
+++ b/bash-git-prompt.in
@@ -4,15 +4,11 @@
 
 [[ "$TERM" = *color ]] && mitFarbe=true || mitFarbe=false
 
-[ -z "$PS1Start" ] && [ -z "$PS1Ende" ] &&
-  if echo "$PS1" | grep -q "\S"
-  then
-    export PS1Ende="$(echo "$PS1" | sed 's|^.*[^\]\(\\\?[$#>]\s*\([]\\[0-9m]\)*\s*\)$|\1|')"
-    export PS1Start="$(echo "$PS1" | sed 's|\\\?[$#>]\s*\([]\\[0-9m]\)*\s*$||')"
-  else
-    export PS1Ende=""
-    export PS1Start="$PS1"
-  fi
+if [ -z "$PS1Start" ] && [ -z "$PS1Ende" ] && [ -n "$PS1" ]
+then
+  export PS1Start="$(echo "$PS1" | sed 's@\(\\\[\\033\[[0-9]\+m\\]\|\s\)*\(\\\?\S\)\?\(\\\[\\033\[[0-9]\+m\\]\|\s\)*$@@')"
+  export PS1Ende="${PS1:${#a}}"
+fi
 
 PS1="$PS1Start"