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41_snapshots-btrfs

@@ -7,19 +7,19 @@ set -e
 ### variables modifiable ###
 ## fr: nom du sous-menu 
 ## en: Name of the submenu
-submenuname="ArchLinux Snapshots"
+submenuname=${GRUB_BTRFS_SUBMENUNAME:-"ArchLinux Snapshots"}
 ## fr: préfixe de l'entrée 
 ## en: Prefix entry
-prefixentry="Snapshot"
+prefixentry=${GRUB_BTRFS_PREFIXENTRY:-"Snapshot"}
 ## fr: nom(s) du ou des kernel(s)
 ## en: Name(s) of the kernel(s)
-nkernel=("vmlinuz-linux")
+nkernel=("${GRUB_BTRFS_NKERNEL[@]:-vmlinuz-linux}")
 ## fr: nom(s) de(s) l'init
 ## en: Name(s) of the init(s)
-ninit=("initramfs-linux.img" "initramfs-linux-fallback.img")
+ninit=("${GRUB_BTRFS_NINIT[@]:-initramfs-linux.img initramfs-linux-fallback.img}")
 ## fr: nom du microcode intel
 ## en: Name intel-ucode
-intel_ucode=("intel-ucode.img")
+intel_ucode=("${GRUB_BTRFS_INTEL_UCODE[@]:-intel-ucode.img}")
 
 
 ###########################
@@ -63,16 +63,16 @@ for kernel in ${nkernel[@]}; do
 	
 	# fr: On liste les snapshots présent sur le système de fichier
 	# en: List filesystem snapshots
-	for item in $($bindir/btrfs subvolume list -s / --sort=-ogen | $bindir/awk '{print $NF}'); do
-		# fr: On écarte les snapshots avec un statut de suppression
+	for item in $($bindir/btrfs subvolume list -sa / --sort=-ogen | $bindir/awk '{gsub(/^["<FS_TREE>/"]+/,"",$NF);print $NF}'); do
+		# fr: On écarte les snapshots avec un status de suppression
 		# en: Discard deleted snapshots
 		if [ $item = "DELETED" ]; then continue; fi
 		# fr: affiche la liste des snapshots trouvés
 		# en: Output name of snapshot
-		gettext_printf $"Found Snapshot: %s\n" "$item" >&2
+		date_time=$($bindir/btrfs subvolume list -sa / | $bindir/grep $item | $bindir/cut -d" " -f 11-12)
+		gettext_printf $"Found Snapshot: %s\n" "$item $date_time" >&2
 		# fr: on crée un menu pour chaque snapshot présent (nom + date de création)
 		# en: Create a menu for remaining snapshots (name + creation date)
-		date_time=$($bindir/btrfs subvolume list -s / | $bindir/grep $item | $bindir/cut -d" " -f 11-12)
 		echo "		submenu '$prefixentry $item [$date_time]' {"
 		# fr: si plusieurs kernel on été trouvé, on affiche un titre indicatif
 		# en: if more than one kernel is found, create a menu

README.md

@@ -1,9 +1,9 @@
 ### grub-btrfs
 
 
-This is a version 0.xx of grub-btrfs :
+This is a version 0.xx of grub-btrfs
 
-#### Desciption
+#### Description
 
 grub-btrfs, add support for btrfs snapshots into grub menu
 
@@ -15,20 +15,27 @@ Makes a list of all snapshots, kernels, initramfs present on the filesystem and
 
 #### How to use it :
 
-1. Edit 41_snapshots-btrfs file :
+1. Add lines to /etc/default/grub as needed, defaults listed as examples:
+2. 
+	* submenuname = name menu appear in grub ( e.g: GRUB_BTRFS_SUBMENUNAME="ArchLinux Snapshots" )
 
-	* submenuname = name menu appear in grub ( e.g: submenuname="ArchLinux Snapshots" )
+	* prefixentry = add a name ahead your snapshots entries ( e.g: GRUB_BTRFS_PREFIXENTRY="Snapshot" )
 
-	* prefixentry = add a name ahead your snapshots entries ( e.g: prefixentry="Snapshot" )
+	* nkernel= name kernel you use it ( e.g: GRUB_BTRFS_NKERNEL=("vmlinuz-linux") )
 
-	* nkernel= name kernel you use it ( e.g: nkernel=("vmlinuz-linux") )
+	* ninit= name initramfs (ramdisk) you use it ( e.g: GRUB_BTRFS_NINIT=("initramfs-linux.img" "initramfs-linux-fallback.img") )
 
-	* ninit= name initramfs (ramdisk) you use it ( e.g: ninit=("initramfs-linux.img" "initramfs-linux-fallback.img") )
-
-	* intel_ucode= name intel microcode you use it ( e.g: intel_ucode=("intel-ucode.img") )
+	* intel_ucode= name intel microcode you use it ( e.g: GRUB_BTRFS_INTEL_UCODE=("intel-ucode.img") )
 
 2. Generate grub.cfg (on Archlinux is grub-mkconfig -o /boot/grub/grub.cfg )
 
 grub-btrfs automatically generates snapshots entries.
 
-you will see it appear different entries, e.g : Prefixentry name of snapshot [2013-02-11 04:00:00]
+You will see it appear different entries, e.g : Prefixentry name of snapshot [2013-02-11 04:00:00]
+
+#### Warning
+
+Version 0.xx detect kernels,initramfs,intel microcode only in boot partition, not in snapshot.
+If kernels,initramfs,intel microcode, are present in boot partition but not in snapshot, entry will be created but not fonctional, you don't boot it.
+
+Version 1.xx will do it, release soon.