X-Git-Url: http://git.treefish.org/~alex/backmeupscotty.git/blobdiff_plain/903b8bbb2deed0a1a827915712ad2ce48b530f8e..8d7e0fed296a508b7c2ff2ec93fdba655186fbf7:/backmeupscotty?ds=sidebyside

diff --git a/backmeupscotty b/backmeupscotty
index d1500c1..e9bab43 100644
--- a/backmeupscotty
+++ b/backmeupscotty
@@ -5,6 +5,11 @@ REMOTE_BASE=/tmp/backmeupscotty
 ARCHIVE_KEEPNBACKUPS=30
 ARCHIVE_KEEPNDAYS=30
 
+if [ $(pidof -x $(basename $0) | wc -w) -gt 2 ]; then 
+    echo BACKMEUPSCOTTY: Another instance of $(basename $0) is already running! >&2
+    exit 1
+fi
+
 while getopts ":q" opt; do
     case $opt in
 	q)
@@ -22,6 +27,16 @@ function scottysync {
 
     echo BACKMEUPSCOTTY: Syncing $1 to $REMOTE_HOST:$REMOTE_BASE/$2 @$timestamp
 
+    if [ ! -d "$1" ]; then
+	echo BACKMEUPSCOTTY: Source dir $1 does not exist. Not syncing! >&2
+	return 1
+    fi
+
+    if [ $(ls -A "$1" | wc -l) -eq 0 ]; then
+	echo BACKMEUPSCOTTY: Source dir $1 is empty. Not syncing! >&2
+	return 1
+    fi
+
     dir_current=$REMOTE_BASE/$2/current
     dir_incomplete=$REMOTE_BASE/$2/incomplete
     dir_timestamped=$REMOTE_BASE/$2/$timestamp-$(date -d @$timestamp +%Y%m%d%H%M%S)