diff options
Diffstat (limited to 'examples/lvmpbuilder/lvmbuilder')
| -rwxr-xr-x | examples/lvmpbuilder/lvmbuilder | 167 |
1 files changed, 84 insertions, 83 deletions
diff --git a/examples/lvmpbuilder/lvmbuilder b/examples/lvmpbuilder/lvmbuilder index 788908e..eb373f3 100755 --- a/examples/lvmpbuilder/lvmbuilder +++ b/examples/lvmpbuilder/lvmbuilder @@ -1,88 +1,89 @@ -#!/bin/sh -#The files in this directory (except pbuilderrc) were written by -#(C) 2006 Kapil Hari Paranjape <kapil@imsc.res.in>. -#They are placed in the public domain. You can do with them exactly as you wish. - -# This assumes: -# A. -# You have added the following lines to you ~/.pbuilderrc -# BASEDEV=<path to your base device> -# COWDEV=<path to your cow device> +#! /bin/bash +# lvmbuilder -- Debian package builder using LVM +# Copyright (C) 2007 Kapil Hari Paranjape +# based on: +# pbuilder -- personal Debian package builder +# Copyright (C) 2001-2006 Junichi Uekawa # -# B. -# That the BASE and COW device have been properly set up. -# Specifically, you must run: -# e2fsck -f $BASEDEV -# It is too painful to run this everytime! +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. # -# You can also run -# blockdev --setro $BASEDEV -# This tries to ensure that the $BASDEV remains pristine. +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. # -# C. -# It also assumes that /dev/mapper/{total,work} -# do not exist already. - - -if [ $# -lt 1 ] -then - echo You need to supply the name of the dsc file - exit 1 -fi - -PKGDSC=$1 - -# Source the pbuilderrc file -. /usr/lib/pbuilder/pbuilder-loadconfig - - -if [ -z "$BASEDEV" -o -z "$COWDEV" ] -then - echo Please define BASEDEV and COWDEV in your ~/.pbuilderrc file +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + +# lvmbuilder by Kapil Hari Paranjape <kapil@debian.org> 2007 Aug 15 +# pbuilder by Junichi Uekawa <dancer@debian.org> 2001 Aug 25 + +set -e + +# Base directory for LVM stuff +LVMBLIB=./lib 'LVMBLIB needs to be defined' + +# For safe file creation +umask 0022 + +# command line operation +OP="$1" +shift + +case "$OP" in + --create|create) + . ${LVMBLIB}/lvmbuilder-checkparams + . ${LVMBLIB}/lvmbuilder-modules + clean_basedev + mount $BASEDEV $BUILDPLACE + trap unmount_basedev exit + pbuilder "$OP" "${PBCMDLINE[@]}" + ;; + --update|update) + . ${LVMBLIB}/lvmbuilder-checkparams + . ${LVMBLIB}/lvmbuilder-modules + mount $BASEDEV $BUILDPLACE + trap unmount_basedev exit + pbuilder "$OP" "${PBCMDLINE[@]}" + ;; + --clean|clean) + . ${LVMBLIB}/lvmbuilder-checkparams + . ${LVMBLIB}/lvmbuilder-modules + clean_basedev + . /usr/lib/pbuilder/pbuilder-checkparams + if [ -n "$APTCACHE" ]; then + echo "Cleaning [$APTCACHE]" + clean_subdirectories "$APTCACHE" || true + fi + ;; + --build|build|--login|login|--execute|execute) + . ${LVMBLIB}/lvmbuilder-checkparams + . ${LVMBLIB}/lvmbuilder-modules + setup_workplace + trap takedown_workplace exit + pbuilder "$OP" "${PBCMDLINE[@]}" + ;; + --dumpconfig|dumpconfig) + . ${LVMBLIB}/lvmbuilder-checkparams + . ${LVMBLIB}/lvmbuilder-modules + echo " -> start dump config" + echo " -> set" + set; + echo " -> env" + env; + echo " -> end dump config" + ;; + --debuild|debuild) + echo "E: The debuild mode of pbuilder is currently not supported by lvmbuilder." >&2 exit 1 -fi - -# Size computations - -BASESIZE=$(blockdev --getsize $BASEDEV) -COWSIZE=$(blockdev --getsize $COWDEV) -TOTAL=$[ $COWSIZE + $BASESIZE ] - -## Create the total base device -# It consists of the base device extended by zeroes. -# The length of the zeroes is the size of the cow. -dd if=/dev/zero of=$COWDEV bs=4K count=16 - -( echo 0 $BASESIZE linear $BASEDEV 0 ; \ - echo $BASESIZE $COWSIZE zero ) | \ - dmsetup create total - -## Create the work device -# It is the snapshot device with the all writes -# going to the cow device. The file-system is resized -# to the maximum extent possible. -echo 0 $TOTAL snapshot /dev/mapper/total $COWDEV p 16 | \ - dmsetup create work - -resize2fs /dev/mapper/work - -mount /dev/mapper/work $BUILDPLACE - -# run build -pbuilder build --no-targz $PKGDSC - -## Check the status -# If pbuilder returned with -# an error then we must stop -# and be able to examine the work space. -[ $? != 0 ] && \ -( echo Error during build. $BUILDPLACE contains the build place. ; \ - exit 1 ) - -## Clean Up -umount $BUILDPLACE -dmsetup remove work -dmsetup remove total - -echo Done. + ;; + *) + . ${LVMBLIB}/lvmbuilder-modules + showhelp + ;; +esac |