diff options
| -rwxr-xr-x | scripts/build/chroot_hooks | 163 |
1 files changed, 78 insertions, 85 deletions
diff --git a/scripts/build/chroot_hooks b/scripts/build/chroot_hooks index 66cdedcf4..ce2287a57 100755 --- a/scripts/build/chroot_hooks +++ b/scripts/build/chroot_hooks @@ -1,6 +1,6 @@ -#!/bin/sh +#!/usr/bin/python3 -## live-build(7) - System Build Scripts +## live-build(7) - Live System Build Components ## Copyright (C) 2006-2013 Daniel Baumann <mail@daniel-baumann.ch> ## ## This program comes with ABSOLUTELY NO WARRANTY; for details see COPYING. @@ -8,108 +8,101 @@ ## 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 +import argparse +import configparser +import glob +import os +import shutil +import subprocess +import sys -# Setting static variables -DESCRIPTION="$(Echo 'execute hooks in chroot')" -HELP="" -USAGE="${PROGRAM} [--force]" -Arguments "${@}" +# TODO: +# * logfile output +# * lockfile handling +# * use gettext for i18n -# Reading configuration files -Read_conffiles config/all config/common config/bootstrap config/chroot config/binary config/source -Set_defaults +def main(): + ## Parsing Arguments + arguments = argparse.ArgumentParser( + prog = 'lb chroot_hooks', + usage = '%(prog)s [arguments]', + description = '''live-build contains the components to build a live system from a configuration directory. + The chroot_hooks command executes hooks after the chroot stage.''', + epilog = 'See \'man lb_chroot_hooks\' for more information.', + version = 'live-build 4', + formatter_class = argparse.ArgumentDefaultsHelpFormatter + ) -Echo_message "Begin executing hooks..." + arguments.add_argument('--verbose', help='set verbose option', action='store_true') -# Requiring stage file -Require_stagefile .build/config .build/bootstrap + args = arguments.parse_args() -# Checking stage file -Check_stagefile .build/chroot_hooks + # --verbose + verbose = args.verbose -# Checking lock file -Check_lockfile .lock + ## Executing hooks -# Creating lock file -Create_lockfile .lock + # stagefile + if os.path.isfile('.build/chroot_hooks'): + if verbose: + print('I: chroot_hooks already done - nothing to do') -## Processing distribution hooks + sys.exit(0) -# Make build config available to chroot 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 + # dependencies + if not os.path.isfile('.build/bootstrap'): + print('E: bootstrap stage missing - aborting', file=sys.stderr) -# Copying hooks -for _HOOK in ${LB_CHROOT_HOOKS} -do - for LOCATION in "${LIVE_BUILD}/hooks" /usr/share/live/build/hooks - do - for FILE in "${LOCATION}"/????-"${_HOOK}".chroot - do - if [ -e "${FILE}" ] - then - mkdir -p chroot/root/lb_chroot_hooks - cp "${FILE}" chroot/root/lb_chroot_hooks - fi - done - done -done + if verbose: + print('I: use \'lb bootstrap\' to bootstrap system') -# Running hooks -if ls chroot/root/lb_chroot_hooks/* > /dev/null 2>&1 -then - for _HOOK in chroot/root/lb_chroot_hooks/* - do - Chroot chroot "/root/lb_chroot_hooks/$(basename ${_HOOK})" || { Echo_error "${_HOOK} failed (exit non-zero). You should check for errors."; exit 1 ;} - rm -f chroot/root/lb_chroot_hooks/"$(basename ${_HOOK})" - done + sys.exit(1) - rmdir chroot/root/lb_chroot_hooks -fi + # hooks + if not glob.glob('config/hooks/*.hook') and not glob.glob('config/hooks/*.hook.chroot'): + if verbose: + print ('I: no chroot hooks found at config/hooks/*.hook{,.chroot} - nothing to do') -## Processing local hooks + sys.exit(0) -if Find_files config/hooks/*.chroot -then - # Restoring cache - Restore_cache cache/packages.chroot + # bind mount configuration directory + if verbose: + print('I: Mounting config to chroot/live-build/config') - for _HOOK in config/hooks/*.chroot - do - # Copying hook - cp "${_HOOK}" chroot/root + os.makedirs('chroot/live-build/config', exist_ok=True) - # Making hook executable - if [ ! -x chroot/root/"$(basename ${_HOOK})" ] - then - chmod +x chroot/root/"$(basename ${_HOOK})" - fi + mount = subprocess.call('mount -o bind config chroot/live-build/config', shell=True) + remount = subprocess.call('mount -o remount,ro,bind chroot/live-build/config', shell=True) - # Executing hook - Chroot chroot "/root/$(basename ${_HOOK})" || { Echo_error "${_HOOK} failed (exit non-zero). You should check for errors."; exit 1 ;} + # process hooks + os.makedirs('chroot/live-build', exist_ok=True) - # Removing hook - rm -f chroot/root/"$(basename ${_HOOK})" - done + hooks = glob.glob('config/hooks/*.hook') + glob.glob('config/hooks/*.hook.chroot') - # Saving cache - Save_cache cache/packages.chroot + for hook in hooks: + if verbose: + print('I: Copying config/hooks/*.hook.chroot to chroot/live-build') - # Creating stage file - Create_stagefile .build/chroot_hooks -fi - -# Remove bind mount of build config inside chroot. -umount chroot/root/config -rmdir chroot/root/config + os.link(hook, os.path.join('chroot/live-build/' + os.path.basename(hook)), follow_symlinks=True) + if verbose: + print('I: Executing \' ' + hook + '\'') + + os.chmod(hook, 0o755) + exec_hook = subprocess.call('chroot chroot /live-build/' + os.path.basename(hook), shell=True) + os.remove('chroot/live-build/' + os.path.basename(hook)) + + # unmount coniguration directory + umount = subprocess.call('umount chroot/live-build/config', shell=True) + + os.rmdir('chroot/live-build/config') + os.rmdir('chroot/live-build') + + ## stagefile + os.makedirs('.build', exist_ok=True) + open('.build/chroot_hooks', 'w').close() + + +if __name__ == '__main__': + main() |