Adding bootstrap hooks.

scripts/build/bootstrap

@@ -55,6 +55,7 @@ lb chroot_apt install ${@}
 
 lb bootstrap_archive-keys ${@}
 lb bootstrap_archives binary ${@}
+lb bootstrap_hooks ${@}
 
 # Deconfiguring chroot
 lb chroot_apt remove ${@}

scripts/build/bootstrap_hooks

@@ -0,0 +1,78 @@
+#!/bin/sh
+
+## live-build(7) - System Build Scripts
+## Copyright (C) 2006-2013 Daniel Baumann <mail@daniel-baumann.ch>
+##
+## This program comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
+## This is free software, and you are welcome to redistribute it
+## under certain conditions; see COPYING for details.
+
+
+set -e
+
+# Including common functions
+[ -e "${LIVE_BUILD}/scripts/build.sh" ] && . "${LIVE_BUILD}/scripts/build.sh" || . /usr/lib/live/build.sh
+
+# Setting static variables
+DESCRIPTION="$(Echo 'execute hooks in bootstrap')"
+HELP=""
+USAGE="${PROGRAM} [--force]"
+
+Arguments "${@}"
+
+# Reading configuration files
+Read_conffiles config/all config/common config/bootstrap config/chroot config/binary config/source
+Set_defaults
+
+Echo_message "Begin executing hooks..."
+
+# Requiring stage file
+Require_stagefile .build/config .build/bootstrap
+
+# Checking stage file
+Check_stagefile .build/bootstrap_hooks
+
+# Checking lock file
+Check_lockfile .lock
+
+# Creating lock file
+Create_lockfile .lock
+
+## Processing distribution hooks
+
+# Make build config available to bootstrap hooks. First, make the bind
+# mount and then make it read-only. This can't happen in one mount
+# command, then the resulting mount will be rw (see mount(8)). Making it
+# ro prevents modifications and prevents accidentally removing the
+# contents of the config directory when removing the chroot.
+mkdir -p chroot/root/config
+mount -o bind config chroot/root/config
+mount -o remount,ro,bind config chroot/root/config
+
+if Find_files config/hooks/*.bootstrap
+then
+	for _HOOK in config/hooks/*.bootstrap
+	do
+		# Copying hook
+		cp "${_HOOK}" chroot/root
+
+		# Making hook executable
+		if [ ! -x chroot/root/"$(basename ${_HOOK})" ]
+		then
+			chmod +x chroot/root/"$(basename ${_HOOK})"
+		fi
+
+		# Executing hook
+		Chroot chroot "/root/$(basename ${_HOOK})" || { Echo_error "${_HOOK} failed (exit non-zero). You should check for errors."; exit 1 ;}
+
+		# Removing hook
+		rm -f chroot/root/"$(basename ${_HOOK})"
+	done
+
+	# Creating stage file
+	Create_stagefile .build/bootstrap_hooks
+fi
+
+# Remove bind mount of build config inside chroot.
+umount chroot/root/config
+rmdir chroot/root/config