updateall : ajustement script update git

config/updateall/scripts/70-git

@@ -1,4 +1,4 @@
-#!/bin/sh -ex
+#!/bin/sh -x
 
 if [ -z "$SSH_AGENT_PID" ]; then
     exec ssh-agent "$0" "$@"
@@ -12,9 +12,9 @@ update_repo() {
     git pull
 }
 
-cd ~/git
+cd ~/git || exit
 
-set +ex
+set +x
 for i in *; do
     while [ "$(jobs -p | wc -l)" -ge 4 ]; do
         sleep 1