1 files changed, 37 insertions, 0 deletions
diff --git a/backup b/backup
new file mode 100755
index 0000000..609c282
--- /dev/null
+++ b/backup
@@ -0,0 +1,37 @@
+#!/usr/bin/zsh
+
+# rsyncs data from one mount point to another. By default all subdirectories of the src mount point are copied to the dst mount point. Nothing happens unless both arguments are valid mount points.
+
+RSYNC_OPTS='-aP \
+            --no-owner \
+            --delete-during \
+            --exclude="lost+found"'
+
+if [ $# -lt 2 ]; then
+    echo "Usage: backup <src> <dst>"
+    exit 1
+fi
+
+if [ ! -e $1 ]; then
+    echo "$1 does not exist"
+    exit 1
+fi
+
+if [ ! -e $2 ]; then
+    echo "$2 does not exist"
+    exit 1
+fi
+
+lsblk | awk '{ print $7 }' | grep -Fx "$1" > /dev/null
+if [ $? -ne 0 ]; then
+    echo "$1 is not a mount point"
+    exit 1
+fi
+
+lsblk | awk '{ print $7 }' | grep -Fx "$2" > /dev/null
+if [ $? -ne 0 ]; then
+    echo "$2 is not a mount point"
+    exit 1
+fi
+
+