option for seldom backups new

1 files changed, 12 insertions, 0 deletions

diff --git a/backup.in b/backup.in
index e20c10f..f71ede3 100755
--- a/backup.in
+++ b/backup.in
@@ -38,11 +38,16 @@ then
   fi
 fi
 
+seldom=false
 if [ $# -eq 0 ]
 then
   backupID="$(basename $0)"
   [ -z "${backups[${backupID}]}" ] && usage
   set /tmp/${backupID}.pid ${backups[${backupID}]}
+  if printf '%s\n' "${seldomBackups[@]}" | \
+    grep -qxF "${backupID}"; then
+    seldom=true
+  fi
 fi
 
 Basis="$2"
@@ -95,6 +100,13 @@ fi
 
 [ -w "${Basis}" ] || exit 11
 [ -e "${neues_Datum}" ] && exit 4
+if ${seldom}; then
+  for date_diff in $(seq ${seldomness}); do
+    if [ -e "${Basis}/$(date '+%Y_%m_%d' -d@$(($(date '+%s')-24*60*60*date_diff)))" ]; then
+      exit 4
+    fi
+  done
+fi
 [ -e "${pidFile}" ] && exit 5
 
 echo $$ > "${pidFile}"