X-Git-Url: https://git.rrq.au/?a=blobdiff_plain;ds=sidebyside;f=sss.sh;h=4c2347cd0b1fdf4bbee27c0a744bccac3365a590;hb=d6fc08311a092f201086078482c71d62fc728410;hp=fbda5db03cfe17bef2206a056316e81da71212cc;hpb=a546fe72f797dc756315d69395eae829f3e05dbd;p=rrq%2Fnilfs2sss.git

diff --git a/sss.sh b/sss.sh
index fbda5db..4c2347c 100755
--- a/sss.sh
+++ b/sss.sh
@@ -8,6 +8,11 @@
 #
 # The cron bot is expected to run once a minute
 
+# Name of snapshot tag file for "important" snapshots. Format:
+# $CNO .... one line for each $CNO that should be preserved as snapshot
+# chcp ss $CNO && echo $CNO >> $NAMELIST
+NAMELIST=/etc/nilfs2sss.list
+
 # The hour-of-day to preserve as daily snapshot
 KEEPHH=12
 
@@ -34,35 +39,39 @@ YEARLY="$(date -d '-1 year' '+%Y-%m-%d %H:%M:%S')"
 MARK=( )
 function marksnap() {
     if [[ "${MARK[0]}" == "$1" ]] && [[ "${MARK[1]}" = "$2" ]] ; then
-	chcp cp $DEV ${MARKYEAR[2]}
+	if [ -r "$NAMELIST" ] && grep -q ^$3 "$NAMELIST" ; then
+	    : # Don't change important snapshots
+	else
+	    chcp cp $DEV ${MARK[2]}
+	fi
     fi
-    MARK=( "$1" "$2" $3 )
-fi
+    MARK=( "$1" "$2" "$3" )
+}
 
 { flock 9
 
-date "+$DEV: %Y-%m-%d %H:%M:%S ---- checking" >&2
-lscp -s $DEV | while read CNO DATE TIME REST ; do
-    TS="$DATE $TIME"
-    [ "$CNO" = "CNO" ] && continue
-    if [[ "$TS" > "$YEARLY" ]] ; then
-	marksnap YEAR "${DATE:0:4}" $CNO
-    elif [[ "$TS" > "$MONTHLY" ]]
-	 marksnap MONTH "${DATE:5:2}" $CNO
-    elif [[ "$TS" > "$WEEKLY" ]]
-	 # For older than most recent week, keep last snapshot each week
-	 marksnap WEEK "$(( 7${DATE:8:2} / 7 - 100 ))" $CNO
-    elif [[ "$TS" > "$DAILY" ]]
-	 marksnap DAY "${DATE:8:2}" $CNO
-    elif [[ "$TS" > "$HOURLY" ]]
-	 marksnap HOUR "${DATE:8:2}-${TIME:0:2}" $CNO
-    else
-	echo "$CNO $DATE $TIME within last hour"
-    fi
-done | if read X ; then
-    : # snapshot within last hour
-else
-    date "+$DEV: new snapshot at %Y-%m-%d %H:%M:%S" >&2
-    mkcp -s $DEV
-fi
+  date "+$DEV: %Y-%m-%d %H:%M:%S ---- checking" >&2
+  lscp -s $DEV | while read CNO DATE TIME REST ; do
+      TS="$DATE $TIME"
+      [ "$CNO" = "CNO" ] && continue
+      if [[ ! "$TS" > "$YEARLY" ]] ; then
+	  marksnap YEAR "${DATE:0:4}" $CNO
+      elif [[ ! "$TS" > "$MONTHLY" ]] ; then
+	   marksnap MONTH "${DATE:5:2}" $CNO
+      elif [[ ! "$TS" > "$WEEKLY" ]] ; then
+	   # For older than most recent week, keep last snapshot each week
+	   marksnap WEEK "$(( 7${DATE:8:2} / 7 - 100 ))" $CNO
+      elif [[ ! "$TS" > "$DAILY" ]] ; then
+	   marksnap DAY "${DATE:8:2}" $CNO
+      elif [[ ! "$TS" > "$HOURLY" ]] ; then
+	   marksnap HOUR "${DATE:8:2}-${TIME:0:2}" $CNO
+      else
+	  : # echo "$CNO $DATE $TIME within last hour"
+      fi
+  done | if read X ; then
+      : # snapshot within last hour
+  else
+      date "+$DEV: new snapshot at %Y-%m-%d %H:%M:%S" >&2
+      mkcp -s $DEV
+  fi
 } 9> /var/run/lock/sss.lock