fix #69 (#70)

Add a search command line to `grub.cfg` for find `grub-btrfs.cfg`
`search -f --set=root --no-floppy /grub/grub-btrfs.cfg`

41_snapshots-btrfs

@@ -243,7 +243,7 @@ snapshot_list()
 		local snapper_types=($(snapper -t 0 -c "$snapper_config" list | tail -n +3 | cut -d'|' -f 2))
 
 		IFS=$'\n'
-		local snapper_descriptions=($(snapper -t 0 -c "$snapper_config" list | tail -n +3 | cut -d'|' -f 7))
+		local snapper_descriptions=($(snapper -t 0 -c "$snapper_config" list | tail -n +3 | rev | cut -d'|' -f 2 | rev))
 	fi
 
 	IFS=$'\n'
@@ -545,6 +545,7 @@ root_grub="$(make_system_path_relative_to_its_root /boot/$grub_directory)"
 # Make a submenu in GRUB (grub.cfg)
 cat << EOF
 submenu '${submenuname}' {
+	search -f --set=root --no-floppy /grub/grub-btrfs.cfg
 	configfile "${root_grub}/grub-btrfs.cfg"
 }
 EOF

README.md

@@ -24,8 +24,17 @@ Supports manual snapshots, snapper ...
 * Automatically generate `grub.cfg` if you use the provided systemd service.
 ##
 ### Installation :
+#### Arch Linux
+
+```
+pacman -S grub-btrfs
+```
+
+### Manual
+
 * Run `make install` or look into Makefile for instructions on where to put each file.
-* Generate your Grub menu after installation for the changes to take effect. (on Arch linux use `grub-mkconfig -o /boot/grub/grub.cfg`)
+
+NOTE: Generate your Grub menu after installation for the changes to take effect. (on Arch Linux use `grub-mkconfig -o /boot/grub/grub.cfg`)
 ##
 ### Customization:
 

grub-btrfs.service

@@ -6,6 +6,6 @@ Type=oneshot
 # Set the possible paths for `grub-mkconfig`
 Environment="PATH=/sbin:/bin:/usr/sbin:/usr/bin"
 # Load environment variables from the configuration
-EnvironmentFile=/etc/grub.d/41_snapshots-btrfs_config
+EnvironmentFile=/etc/default/grub-btrfs/config
 # Regenerate just '/boot/grub/grub-btrfs.cfg' if it exists and is not empty, else regenerate the whole grub menu
 ExecStart=/bin/bash -c 'if [ -s "/boot/${GRUB_BTRFS_DIRNAME:-grub}/grub-btrfs.cfg" ]; then /etc/grub.d/41_snapshots-btrfs; else ${GRUB_BTRFS_MKCONFIG:-/usr/bin/grub-mkconfig} -o /boot/${GRUB_BTRFS_DIRNAME:-grub}/grub.cfg; fi'