108 lines
2.6 KiB
Bash
Executable File
108 lines
2.6 KiB
Bash
Executable File
#!/bin/sh
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## live-build(7) - System Build Scripts
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## Copyright (C) 2006-2014 Daniel Baumann <mail@daniel-baumann.ch>
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##
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## This program comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
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## This is free software, and you are welcome to redistribute it
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## under certain conditions; see COPYING for details.
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set -e
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# Including common functions
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[ -e "${LIVE_BUILD}/scripts/build.sh" ] && . "${LIVE_BUILD}/scripts/build.sh" || . /usr/lib/live/build.sh
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# Setting static variables
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DESCRIPTION="$(Echo 'manage /etc/resolv.conf')"
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HELP=""
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USAGE="${PROGRAM} {install|remove} [--force]"
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Arguments "${@}"
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# Reading configuration files
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Read_conffiles config/all config/common config/bootstrap config/chroot config/binary config/source
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Set_defaults
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# Requiring stage file
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Require_stagefile .build/config .build/bootstrap
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case "${1}" in
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install)
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Echo_message "Configuring file /etc/resolv.conf"
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# Checking stage file
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Check_stagefile .build/chroot_resolv
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# Checking lock file
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Check_lockfile .lock
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# Creating lock file
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Create_lockfile .lock
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if [ -e chroot/etc/resolv.conf ]
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then
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# Save resolv file or symlink
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mv chroot/etc/resolv.conf chroot/etc/resolv.conf.orig
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# Also truncate it, otherwise we'll end up with the one
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# created by debootstrap in the final image.
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#
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# If you want to have a custom resolv.conf, please
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# overwrite it with normal local_includes mechanism.
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Truncate chroot/etc/resolv.conf.orig
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elif [ -L chroot/etc/resolv.conf ]
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then
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# Move resolv.conf aside if it's a symlink (likely resolvconf)
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mv chroot/etc/resolv.conf chroot/etc/resolv.conf.orig
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fi
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if [ -f /etc/resolv.conf ]
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then
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# Copy resolv file
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cp /etc/resolv.conf chroot/etc/resolv.conf
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fi
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# Creating stage file
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Create_stagefile .build/chroot_resolv
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;;
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remove)
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Echo_message "Deconfiguring file /etc/resolv.conf"
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# Checking lock file
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Check_lockfile .lock
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# Creating lock file
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Create_lockfile .lock
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if [ -e config/includes.chroot/etc/resolv.conf ]
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then
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# Copying local resolv.conf
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cp -a config/includes.chroot/etc/resolv.conf chroot/etc/resolv.conf
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rm -f chroot/etc/resolv.conf.orig
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elif [ -e chroot/etc/resolv.conf.orig ] || [ -L chroot/etc/resolv.conf.orig ]
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then
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# Restoring resolv file or symlink
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mv chroot/etc/resolv.conf.orig chroot/etc/resolv.conf
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else
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# Truncating resolv file
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Truncate chroot/etc/resolv.conf
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fi
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# Clean up resolvconf's pollution
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if [ -e chroot/etc/resolvconf/resolv.conf.d ]
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then
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rm -f chroot/etc/resolvconf/resolv.conf.d/original
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rm -f chroot/etc/resolvconf/resolv.conf.d/tail
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fi
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# Removing stage file
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rm -f .build/chroot_resolv
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;;
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*)
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Usage
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;;
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esac
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