preinst-backup: check if /var/backup/martin exists

diff --git a/preinst-backup b/preinst-backup
index 4224afaeebbe455e788eea28385954e72165f621..11cbf56dbf74467ff40d6019418b1f2a83e83d97 100755 (executable)
--- a/preinst-backup
+++ b/preinst-backup
@@ -13,7 +13,7 @@ if [ -d /home/martin/backup ]; then
     echo "/home/martin/backup exists already, aborting" >&2
     exit 1
 fi
-cp -a /var/backups/martin/ /home/martin/backup
+[ ! -d /var/backups/martin/ ] || cp -a /var/backups/martin/ /home/martin/backup
 
 apt-get autoclean
 mkdir -p /home/aptcache