diff options
Diffstat (limited to 'examples/lvmpbuilder/lib/lvmbuilder-modules')
| -rwxr-xr-x | examples/lvmpbuilder/lib/lvmbuilder-modules | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/examples/lvmpbuilder/lib/lvmbuilder-modules b/examples/lvmpbuilder/lib/lvmbuilder-modules new file mode 100755 index 0000000..8857f09 --- /dev/null +++ b/examples/lvmpbuilder/lib/lvmbuilder-modules @@ -0,0 +1,138 @@ +#! /bin/bash +# The functions used to mount and unmount the filesystems for lvmbuilder +# 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 +# +# 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. +# +# 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. +# +# 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 + +function clean_basedev(){ + echo -n "This will wipe out $BASEDEV. Proceed?[y/N]" + read ans + if [ "$ans" != "y" -a "$ans" != "Y" ] + then + exit 0 + fi + echo "Making new file system at $BASEDEV." + mke2fs $BASEDEV +} + +function unmount_basedev(){ + umount $BASEDEV + e2fsck -f -v $BASEDEV +} + +function setup_workplace(){ + # Size computations + BASESIZE=$(blockdev --getsize $BASEDEV) + COWSIZE=$(blockdev --getsize $COWDEV) + TOTAL=$[ $COWSIZE + $BASESIZE ] + + # Load the necessary modules + modprobe dm_zero dm_mirror dm_snapshot dm_mod + + ## 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. + ( echo 0 $BASESIZE linear $BASEDEV 0 ; \ + echo $BASESIZE $COWSIZE zero ) | \ + dmsetup create $TOTALNAME + + ## 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 $TOTALDEV $COWDEV n 16 | \ + dmsetup create $WORKNAME + + [ -b $WORKDEV ] && resize2fs $WORKDEV + mount $WORKDEV $BUILDPLACE +} + +function takedown_workplace(){ + umount /dev/mapper/lvmbuilder-work + dmsetup remove lvmbuilder-work + dmsetup remove lvmbuilder-total +} + +function showhelp(){ + cat <<EOF +lvmbuilder - Debian package builder using pbuilder and lvm +Copyright 2007 Kapil Hari Paranjape +Based on: +pbuilder - a personal builder +Copyright 2001-2006 Junichi Uekawa +Distributed under GNU Public License version 2 or later + +lvmbuilder [operation] [lvmbuilder-options] + +command lines: +lvmbuilder create [--basedev base-device-path] [--distribution sarge|etch|sid|experimental] + Creates a base distribution on an ext2 filesystem on the base block device + +lvmbuilder update [--basedev base-device-path] [--distribution sarge|etch|sid|experimental] + Updates a base distribution on an ext2 filesystem on the base block device + +lvmbuilder build [--basedev base-device-path] [--cowdev cow-device-path] pkgsrc.dsc + Builds using the base distribution with all writes going to cow block device. + Requires a .dsc filename + +lvmbuilder clean [--basedev base-device-path] + Creates a fresh ext2fs file system on the base block device. + +lvmbuilder login +lvmbuilder execute -- [command] [command-options] + Logs in to the build environment and execute command. + +lvmbuilder dumpconfig + Dumps configuration information to stdout for debugging. + +lvmbuilder-options: + --basedev [base device location] + --cowdev [cow device location] + --buildplace [location of build] + --mirror [mirror location] + --othermirror [other mirror location in apt deb-line format, delimited with | signs] + --http-proxy [proxy] + --distribution [distribution(sarge|sid|etch|experimental)] + --buildresult [location-to-copy-build-result] + --aptcache [location of retrieved package files] + --removepackages [packages-to-remove on pbuilder create] + --extrapackages [packages-to-add on pbuilder create] + --configfile [configuration file to load] + --debemail [mail address] + --debbuildopts [dpkg-buildpackage options] + --logfile [filename to output log] + --pkgname-logfile + --aptconfdir [overriding apt config dir] + --timeout [timeout time] + --override-config + --binary-arch + --debug + --autocleanaptcache + --debootstrapopts [debootstrap options] + --debootstrap [debootstrap|cdebootstrap] + +EOF + exit 1 +} + |