From 2159b5b9f8b55e49b013fc3f663cff0b0ab53bc3 Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Wed, 10 Oct 2018 11:28:33 +0200
Subject: option for seldom backups new

---
 backup.in | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'backup.in')

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}"
-- 
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