check if git already init

git-backup

 
 initPath()
 {
-  cd "$1" && git init && git remote add origin git:backup/$(hostname)$(pwd | tr '/' '-')
+  cd "$1" &&
+  if [ ! -e .git ]
+  then
+    git init &&
+    git remote add origin git:backup/$(hostname)$(pwd | tr '/' '-')
+  fi
 }
 
 if [ $# -eq 1 ] && [ "$1" = "--init" ]