local/bin/homesync: Backup .gnupg

.local/bin/homesync

@@ -1,24 +1,38 @@
 #!/bin/sh
 
-if [ "$1" = "-h" ]; then
+usage() {
 	cat <<EOF>&2
 Usage: ${0##*/}
 
-Sync home folder:
+Sync home folder.
 
 Options:
 
   -p: Push upstream.
+  -d DEVICE: Device where to store ~/.gnupg
 
 EOF
 	exit
-fi
+}
 
 OPT_UPDATE=false
-if [ "$1" = "-p" ]; then
-	OPT_UPDATE=true
-	shift
-fi
+OPT_DEVICE=""
+while getopts ":hd:p" opt; do
+	case $opt in
+	h)
+		usage
+		exit ;;
+	p)
+		OPT_UPDATE=true ;;
+	d)
+		OPT_DEVICE="$OPTARG" ;;
+	\?)
+		usage
+		exit 1 ;;
+	esac
+done
+
+shift $(($OPTIND - 1))
 
 PERSONAL_FOLDER="$HOME/personal"
 [ -z "$XDG_CONFIG_HOME" ] && XDG_CONFIG_HOME="$HOME/.config"
@@ -37,6 +51,15 @@ message() {
 	echo -e "$YELLOW:: $@$NORMAL"
 }
 
+if [ -n "$OPT_DEVICE" ]; then
+	section "GnuPG"
+	sudo cryptsetup open "$OPT_DEVICE" gpg_backup
+	sudo mount /dev/mapper/gpg_backup /mnt
+	tar -C ~ --exclude='*.conf' -cf /mnt/gnugpg-backup-$(date +%F).tar .gnupg
+	sudo umount /mnt
+	sudo cryptsetup close gpg_backup
+fi
+
 section "$HOME/.package-lists"
 package-lister