option for seldom backups new

3 files changed, 28 insertions, 2 deletions

diff --git a/backup.conf b/backup.conf
index 82fa2c0..9cc3753 100644
--- a/backup.conf
+++ b/backup.conf
@@ -17,8 +17,17 @@ backups["proxiedBackup"]="/path/to/destination/ user@source:path proxy_user@ssh_
 # how long to wait for destination directories to appear in lastBackups [seconds]
 maxWait=100
 
-# how old may backups be before we warn about outdated ones [seconds]
+# how old may (seldom) backups be before we warn about outdated ones [seconds]
 outdatedLimit=$[2*24*60*60]
+outdatedSeldomLimit=$[3*7*24*60*60]
+
+# list of backups which should be made less often
+seldomBackups=(
+  "slowBackup"
+)
+
+# number of days that should pass between seldom backups
+seldomness=14
 
 # subdirectories which should be appended to the parent directory in the report
 recognSubdirRegex="home\|boot\|root\|erich"
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 $$ > "${pidFile}"
diff --git a/lastBackups.in b/lastBackups.in
index ef742cd..9f0d3e8 100755
--- a/lastBackups.in
+++ b/lastBackups.in
@@ -61,7 +61,12 @@ do
   if [ ! -d "${dest}/${lbu}" ]
   then
     veraltet[${#veraltet[@]}]="LEER!"
-  elif [ ${delta} -gt ${outdatedLimit} ]
+  elif [ ${delta} -gt ${outdatedLimit} ] && \
+    ! printf '%s\n' "${seldomBackups[@]}" | \
+      grep -qxF "${backupID}"
+  then
+    veraltet[${#veraltet[@]}]="VERALTET!"
+  elif [ ${delta} -gt ${outdatedSeldomLimit} ]
   then
     veraltet[${#veraltet[@]}]="VERALTET!"
   else