+#repos="https://github.com/wagner-tech"
+#if getopts "g:" opt; then
+# repos=$OPTARG
+# shift 2
+#fi
+#
+#if [ -e kivitendo-erp ]
+#then
+# pushd kivitendo-erp >/dev/null
+ #branch=$(git rev-parse --abbrev-ref HEAD)
+ #git pull origin $branch
+#else
+# git clone $repos/kivitendo-erp
+# pushd kivitendo-erp >/dev/null
+#fi
+# git checkout $1
+#popd >/dev/null