Archive/snapshot.sh

@@ -2,11 +2,6 @@
 
 # XXX need:
 # 	- protocol (command) to create archive root
-# 		manually:
-# 			- copy tree
-# 			- run snapshot.sh
-# 		script:
-# 			XXX
 # 	- protocol to create snapshots
 # 		- sync-flash.sh ???
 # 	- protocol to restore stuff -- simply copy???
@@ -17,16 +12,6 @@
 # 	- a way to maintain a set number of snapshots...
 #
 
-SNAPSHOT_DIR=.snapshots
-SUBVOLUME_DIR=media
-
-
-# run in script dir (not cwd)...
-DIR=`dirname "$0"`
-if ! [ -z "$DIR" ] ; then
-	cd "$DIR"
-fi
-
 # check if on btrfs filesystem...
 # XXX also check if btrfs command is available...
 if ! btrfs filesystem usage . > /dev/null ; then
@@ -39,32 +24,30 @@ fi
 
 # create ./media...
 # XXX check if not a directory...
-if ! [ -e "$SUBVOLUME_DIR" ] ; then
+if ! [ -e ./media ] ; then
-	btrfs subvolume create "$SUBVOLUME_DIR"
+	btrfs subvolume create ./media
 	# XXX build tree -- ImageGrid
 
 # convert ./media to a subvolume...
-elif [ "$(stat --format=%i "$SUBVOLUME_DIR")" == 256 ] ; then
+elif [ "$(stat --format=%i ./media)" == 256 ] ; then
-	mkdir bak
+	btrfs subvolume create ./media_subvolume
-	mv "$SUBVOLUME_DIR" bak/
+	#mv ./media/{,.}* ./media_subvolume/
-	btrfs subvolume create "$SUBVOLUME_DIR"
 	cp --archive --one-file-system --reflink=always \
-		./bak/"$SUBVOLUME_DIR"/{,.}* \
+		./media/{,.}* \
-		"$SUBVOLUME_DIR"/
+		./media_subvolume/
+	mv ./media{,.bak}
+	mv ./media{_subvolume,}
 fi
-mkdir -p "$SNAPSHOT_DIR"
+mkdir -p ./.snapshots
 
 
 # XXX should this be more human readable???
 # 	...a date + number maybe???
 SNAPSHOT=$(( 
-	$( ls "$SNAPSHOT_DIR" \
+	$( ls .snapshots \
 		| sort -n \
 		| tail -n 1 ) \
 	+ 1 ))
 
-btrfs subvolume snapshot -r "$SUBVOLUME_DIR" "${SNAPSHOT_DIR}/${SNAPSHOT}"
+btrfs subvolume snapshot -r ./media .snapshots/${SNAPSHOT}
 
-
-
-# vim:set nowrap nospell :