Add --exclude patterns for configured subtree backups.

diff --git a/duplicity-daily b/duplicity-daily
index ce659ceccafaa026545354ed23f71a804f982d76..22320920b28cf06c62d651342ba8b4a7429e1740 100755 (executable)
--- a/duplicity-daily
+++ b/duplicity-daily
@@ -20,6 +20,17 @@ TARGET="$(grep ^TARGET= -m1 $CONFIG | sed 's/^TARGET=//')"
 # /opt/other/x=user@host/backup/x
 
 SRCS=( $(grep ^/ $CONFIG) )
+
+# add --exlude option for any path of $SRCS that extends $1
+excludes() {
+    local SRC X
+    for SRC in "${SRCS[@]}" ; do
+       SRC=${SRC%%=*}
+       [ "$SRC" = "$1" ] && continue
+       [ -z "${SRC%$1*}" ] && echo -n " --exclude $SRC"
+    done
+}
+
 for SRC in "${SRCS[@]}" ; do
     if [ "${SRC#*=}" = "$SRC" ] ; then
        DST=$TARGET$SRC
@@ -28,5 +39,6 @@ for SRC in "${SRCS[@]}" ; do
        SRC="${SRC%%=*}"
     fi
     echo "** Backing up $SRC to $DST" 
-    dupltool ${OPTIONS[*]} $SRC pexpect+scp://$DST
+    echo dupltool $(excludes "$SRC") ${OPTIONS[*]} $SRC pexpect+scp://$DST
+    dupltool $(excludes "$SRC") ${OPTIONS[*]} $SRC pexpect+scp://$DST
 done |& logger -t backup