Use lsblk to show all FS labels

Previously, e2label was used, but that only works for ext partitions.
Using lsblk allows showing the filesystem labels for all filesystems
supported by the kernel.

Author: matthijskooijman

rpi-clone

@@ -738,13 +738,10 @@ do
 		src_name[p]="${src_mounted_dir[p]}"
 	fi
 
-	if [[ "$part_type" == *"ext"* ]]
+	label=`lsblk --raw --output label --noheadings "${src_device[p]}"`
+	if [ "$label" != "" ]
 	then
-		label=`e2label ${src_device[p]} 2> /dev/null`
-		if [ "$label" != "" ]
-		then
-			src_label[p]="$label"
-		fi
+		src_label[p]="$label"
 	fi
 done
 
@@ -1143,16 +1140,15 @@ do
 	if [[ "$part_type" == *"linux-swap"* ]]
 	then
 		dst_fs_type[p]="swap"
-	elif [[ "$part_type" == *"ext"* ]]
+	elif ((p == ext_num))
 	then
-		label=`e2label ${dst_device[p]} 2> /dev/null`
+		dst_fs_type[p]="EXT"
+	else
+		label=`lsblk --raw --output label --noheadings "${dst_device[p]}"`
 		if [ "$label" != "" ]
 		then
 			dst_label[p]="$label"
 		fi
-	elif ((p == ext_num))
-	then
-		dst_fs_type[p]="EXT"
 	fi
 done