made gmg 05 rerunable

diff --git a/scripts/GMG/05_create_local_user.sh b/scripts/GMG/05_create_local_user.sh
index 5c09380b6f0f3713cfa52389427bd3fd38c06351..f7a053ec5ce667c6c2c2a2bc2ce9882ba8000c04 100755 (executable)
--- a/scripts/GMG/05_create_local_user.sh
+++ b/scripts/GMG/05_create_local_user.sh
@@ -1,5 +1,7 @@
 #!/bin/bash
 
 # Create mediagoblin user & group
-$ROOTCMD useradd -c "GNU MediaGoblin system account" -d /var/lib/mediagoblin -m -r -g www-data mediagoblin
-$ROOTCMD groupadd mediagoblin && sudo usermod --append -G mediagoblin mediagoblin
+if ! $ROOTCMD getent passwd mediagoblin ; then
+    $ROOTCMD useradd -c "GNU MediaGoblin system account" -d /var/lib/mediagoblin -m -r -g www-data mediagoblin
+    $ROOTCMD groupadd mediagoblin && sudo usermod --append -G mediagoblin mediagoblin
+fi