backup-status: Implement new "--latest" option

diff --git a/bin/backup-status b/bin/backup-status
index edbdd64cc1c6fa62c553e2fc446ccbe16ef77bbf..c1a09b598132bc0f54d62c7ec59df5bfe0e1e4d4 100755 (executable)
--- a/bin/backup-status
+++ b/bin/backup-status
@@ -13,6 +13,7 @@
 NAME=`basename $0`
 PIDFILE="/var/run/backup-script.pid"
 QUICK=0
+ONLY_LATEST=0
 
 export LC_ALL=C
 
@@ -80,6 +81,12 @@ Check_Stamp() {
        fi
 }
 
+Snapshot_Info() {
+       echo "  - Snapshot: $1"
+       Check_Size "$1" "  "
+       Check_Stamp "$1/.stamp" "  "
+}
+
 if [ "$1" == "-r" -o "$1" == "--running" ]; then
        pid="$(cat "$PIDFILE" 2>/dev/null)"
        if [ -n "$pid" ]; then
@@ -99,6 +106,9 @@ fi
 
 while [ $# -gt 0 ]; do
        case "$1" in
+               "--latest"|"-l")
+                       ONLY_LATEST=1
+                       ;;
                "--quick"|"-q")
                        QUICK=1
                        ;;
@@ -154,13 +164,16 @@ for f in $sys; do
        echo "- Target: $target"
 
        if [ $generations -gt 0 ]; then
-               for s in $target/[0-9]*-[0-9]* $target/current; do
-                       [ -e "$s" ] || continue
-                       echo "  - Snapshot: $s"
-                       Check_Size "$s" "  "
-                       Check_Stamp "$s/.stamp" "  "
+               if [ "$ONLY_LATEST" = "0" ]; then
+                       for s in $target/[0-9]*-[0-9]* $target/current; do
+                               [ -e "$s" ] || continue
+                               Snapshot_Info "$s"
+                               snapshots=$snapshots+1
+                       done
+               elif [ -e "$target/latest" ]; then
+                       Snapshot_Info "$target/latest"
                        snapshots=$snapshots+1
-               done
+               fi
        else
                # Timestamp and result code
                Check_Size "$target"