X-Git-Url: https://git.treefish.org/~alex/backmeupscotty.git/blobdiff_plain/3225479b4910b406043c1e2169f6768b46628686..85ea4b7f90d54f48e0b3f0b7a71cd05983ed8e50:/backmeupscotty?ds=inline diff --git a/backmeupscotty b/backmeupscotty index 4f0dc9a..3ee85c9 100644 --- a/backmeupscotty +++ b/backmeupscotty @@ -18,12 +18,24 @@ function scottyerror { echo $(upperme): $@ >&2 } +function ssh255 { + ssh $@ + sshret=$? + + if [ $sshret -eq 255 ]; then + scottyerror "SSH connection failed!" + exit 1 + else + return $sshret + fi +} + function grepbackups { - ssh $REMOTE_HOST "ls $REMOTE_DIR" | grep -E '[0-9]+-[0-9]+' + ssh255 $REMOTE_HOST "ls $REMOTE_DIR" | grep -E '[0-9]+-[0-9]+' } function isIncomplete { - if ( ssh $REMOTE_HOST '[ -d '$REMOTE_DIR/incomplete' ]' ); then + if ( ssh255 $REMOTE_HOST '[ -d '$REMOTE_DIR/incomplete' ]' ); then return 0 else return 1 @@ -44,7 +56,7 @@ function latestTooOld { tstamp=$(echo $oldbackup | cut -d'-' -f1) if [ $(( $(date +%s) - $tstamp )) -lt \ - $(( $BACKUP_RUNEVERYNTHDAY*24*60*60 )) ] + $(( ($BACKUP_RUNEVERYNTHDAY*24+12)*60*60 )) ] then return 1 fi @@ -78,9 +90,9 @@ function scottysync { rsync_exclude=$(eval echo --exclude={$SYNC_EXC} | tr -d {}) fi - if (ssh $REMOTE_HOST '[ ! -d '$REMOTE_DIR' ]'); then + if (ssh255 $REMOTE_HOST '[ ! -d '$REMOTE_DIR' ]'); then scottyinfo Creating destination directory $REMOTE_HOST:$REMOTE_DIR - ssh $REMOTE_HOST "mkdir $REMOTE_DIR" + ssh255 $REMOTE_HOST "mkdir $REMOTE_DIR" fi if isIncomplete; then @@ -96,7 +108,7 @@ function scottysync { if [ $? -eq 0 ]; then scottyinfo Timestamping completed backup and linking to current backup - ssh $REMOTE_HOST \ + ssh255 $REMOTE_HOST \ "mv $dir_incomplete $dir_timestamped && rm -f $dir_current && ln -s $(basename $dir_timestamped) $dir_current" fi @@ -106,7 +118,7 @@ function scottysync { if [ $oldestbackuptstamp -lt $(( $(date +%s) - $ARCHIVE_KEEPNDAYS*60*60*24 )) ]; then scottyinfo Removing old backup $oldestbackup - ssh $REMOTE_HOST rm -r "$REMOTE_DIR/$oldestbackup" + ssh255 $REMOTE_HOST rm -r "$REMOTE_DIR/$oldestbackup" else break fi @@ -177,16 +189,13 @@ function backmeupscotty { ;; esac done + + ssh255 $REMOTE_HOST exit - if (! ssh $REMOTE_HOST exit); then - scottyerror "Could not establish SSH connection to $REMOTE_HOST!" - exit 1 - fi - - if isNthDay; then + if latestTooOld; then + scottyerror "The latest backup is too old." + elif isNthDay; then scottyinfo "This is the nth day." - elif latestTooOld; then - scottyinfo "The latest backup is too old." else scottyinfo "No backup has to be done. Exiting." exit 0