HLFS: Create a custom /etc/hlfs-release file.

HLFS/master.sh

@@ -404,6 +404,7 @@ chapter7_Makefiles() {       # Create a bootable system.. kernel, bootscripts..e
       *usage)    continue  ;; # Contains example commands
       *grub)     continue  ;;
       *console)  continue  ;; # Use the file generated by lfs-bootscripts
+      *finished) continue  ;; # Customized /etc/hlfs-release created in all target
       *fstab)    [[ ! -z ${FSTAB} ]] && cp ${FSTAB} $BUILDDIR/sources/fstab
         ;;
       *kernel)   # If no .config file is supplied, the kernel build is skipped
@@ -521,6 +522,8 @@ build_Makefile() {           # Construct a Makefile from the book scripts
 
 all:	ck_UID mk_SETUP mk_LUSER mk_SUDO mk_CHROOT mk_BOOT create-sbu_du-report mk_BLFS_TOOL
 	@sudo make do-housekeeping
+	@echo "$VERSION - jhalfs build" > hlfs-release && \\
+	sudo install -m444 hlfs-release \$(MOUNT_PT)/etc/hlfs-release
 	@\$(call echo_finished,$VERSION)
 
 ck_UID: