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add union-type support fot mk-sbuild-lv (rename -> mk-sbuild)
This commit is contained in:
Scott Moser
parent
07451d8631
commit
3997415b8f
3
debian/changelog
vendored
3
debian/changelog
vendored
@ -1,5 +1,8 @@
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ubuntu-dev-tools (0.93) UNRELEASED; urgency=low
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[ Scott Moser ]
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* rename mk-sbuild-lv to mk-sbuild, support union-type=aufs
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[ Emmet Hikory ]
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* Support qemu-arm-static -> qemu-kvm-extras-static transition
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@ -1,18 +1,18 @@
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.TH MK\-SBUILD\-LV "1" "27 August 2008" "ubuntu-dev-tools"
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.TH MK\-SBUILD "1" "08 February 2010" "ubuntu-dev-tools"
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.SH NAME
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mk\-sbuild\-lv \- creates LVM snapshot chroots via schroot and sbuild
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mk\-sbuild \- creates chroots via schroot and sbuild
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.SH SYNOPSIS
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\fBmk\-sbuild\-lv\fR [\fB\-\-arch=ARCH\fR] [\fB\-\-name=NAME\fR]
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\fBmk\-sbuild\fR [\fB\-\-arch=ARCH\fR] [\fB\-\-name=NAME\fR]
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[\fB\-\-personality=PERSONALITY\fR] [\fB\-\-debug\fR] [\fB\-\-source\-template=FILE\fR]
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[\fB\-\-debootstrap\-mirror=URL\fR] <\fBVG\fR> <\fBRelease\fR>
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[\fB\-\-debootstrap\-mirror=URL\fR] <\fBRelease\fR>
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.SH DESCRIPTION
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\fBmk\-sbuild\-lv\fR creates LVM snapshot chroots via schroot and sbuild.
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\fBmk\-sbuild\fR creates chroots via schroot and sbuild.
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.SH OPTIONS
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Listed below are the command line options for mk\-sbuild\-lv:
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Listed below are the command line options for mk\-sbuild:
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.TP
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.B \-\-arch=ARCH
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What architecture to select (defaults to the native architecture).
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@ -30,7 +30,7 @@ Turn on script debugging.
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Do not include the \-updates pocket in the installed sources.list.
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.TP
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.B \-\-source\-template=FILE
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Use FILE as the sources.list template (defaults to $HOME/.mk\-sbuild\-lv.sources).
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Use FILE as the sources.list template (defaults to $HOME/.mk\-sbuild.sources).
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.TP
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.B \-\-debootstrap\-mirror=URL
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Use URL as the debootstrap source (defaults to http://ports.ubuntu.com for lpia,
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@ -39,6 +39,9 @@ official Ubuntu repositories for the supported architectures).
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.B \-\-distro
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Enable distro-specific logic. Currently known distros: "ubuntu" (default)
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and "debian".
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.TP
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.B \-\-volume-group
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Specify a volume group, and subsequently use lvm-snapshot rather than aufs mounts.
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.SH ENVIRONMENT VARIABLES
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.TP
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@ -53,18 +56,21 @@ Lines to append to schroot entries.
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.TP
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.B SKIP_UPDATES
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Do not include the \-updates pocket in the installed sources.list.
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.TP
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.B SOURCE_CHROOTS_DIR
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use SOURCE_CHROOTS_DIR as home of schroot source directories. (default /srv/chroots)
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.SH FILES
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.TP
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.B $HOME/.mk\-sbuild\-lv.rc
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.B $HOME/.mk\-sbuild.rc
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Sourced for environment variables (defined above).
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.TP
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.B $HOME/.mk\-sbuild\-lv.sources
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.B $HOME/.mk\-sbuild.sources
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Can contain a customized sources.list.
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It will be read when creating the schroot.
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See sources.list(5) for more details on the format.
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.TP
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.B $HOME/.mk\-sbuild\-lv.schroot.conf
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.B $HOME/.mk\-sbuild.schroot.conf
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Can contain a customized configuration section to be inserted into
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/etc/schroot/schroot.conf.
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See schroot.conf(5) for more details on the format.
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@ -83,6 +89,6 @@ sbuild\-setup (7), sources.list (5), schroot.conf (5),
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https://help.ubuntu.com/community/SbuildLVMHowto
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.SH AUTHOR
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\fBmk\-sbuild\-lv\fR was written by Kees Cook <kees@ubuntu.com>.
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\fBmk\-sbuild\fR was written by Kees Cook <kees@ubuntu.com>.
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This man page was written by Ryan Kavanagh <ryanakca@kubuntu.org>.
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Both are released under the GNU General Public License, version 3 or later.
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@ -40,11 +40,6 @@ fi
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if [ ! -w /var/lib/sbuild ]; then
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# Load all the packages you'll need to do work
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sudo apt-get install sbuild schroot debootstrap lvm2
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# Make sure LVM tools that operate on the snapshots have needed module
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if ! sudo dmsetup targets | grep -q ^snapshot; then
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sudo modprobe dm_snapshot
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echo dm_snapshot | sudo tee -a /etc/modules >/dev/null
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fi
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# Add self to the sbuild group
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sudo adduser "$USER" sbuild
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@ -98,10 +93,11 @@ fi
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# Set up configurable defaults (loaded after option processing)
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LV_SIZE="5G"
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SNAPSHOT_SIZE="4G"
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SOURCE_CHROOTS_DIR=/srv/chroot
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function usage()
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{
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echo "Usage: $0 [OPTIONS] VG Release" >&2
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echo "Usage: $0 [OPTIONS] Release" >&2
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echo "Options:"
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echo " --arch=ARCH What architecture to select"
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echo " --name=NAME Base name for the schroot (arch is appended)"
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@ -111,8 +107,10 @@ function usage()
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echo " --source-template=FILE Use FILE as the sources.list template"
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echo " --debootstrap-mirror=URL Use URL as the debootstrap source"
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echo " --distro=DISTRO Install specific distro (defaults to 'ubuntu')"
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echo " --volume-group=VG use LVM snapshots, with group VG"
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echo ""
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echo "Configuration (via ~/.mk-sbuild-lv.rc)"
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echo "Configuration (via ~/.mk-sbuild.rc)"
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echo " SOURCE_CHROOTS_DIR directory to put source chroots in"
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echo " LV_SIZE Size of source LVs (default ${LV_SIZE})"
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echo " SNAPSHOT_SIZE Size of snapshot LVs (default ${SNAPSHOT_SIZE})"
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echo " SCHROOT_CONF_SUFFIX Lines to append to schroot.conf entries"
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@ -126,9 +124,10 @@ function usage()
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if [ -z "$1" ]; then
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usage
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fi
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OPTS=`getopt -o '' --long "help,debug,skip-updates,arch:,name:,source-template:,debootstrap-mirror:,personality:,distro:" -- "$@"`
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OPTS=`getopt -o '' --long "help,debug,skip-updates,arch:,name:,source-template:,debootstrap-mirror:,personality:,distro:,volume-group" -- "$@"`
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eval set -- "$OPTS"
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VG=""
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DISTRO="ubuntu"
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name=""
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while :; do
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@ -176,6 +175,10 @@ while :; do
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DISTRO="$2"
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shift 2
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;;
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--volume-group)
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VG="$2"
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shift 2
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;;
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--)
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shift
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break
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@ -188,9 +191,8 @@ done
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# To build the LV, we need to know which volume group to use, and which
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# release of Ubuntu to debootstrap
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VG="$1"
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RELEASE="$2"
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if [ -z "$VG" ] || [ -z "$RELEASE" ]; then
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RELEASE="$1"
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if [ -z "$RELEASE" ]; then
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usage
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fi
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@ -199,9 +201,9 @@ if [ -z "$name" ]; then
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name="$RELEASE"
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fi
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# Set up some variables for use in the paths and names
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CHROOT_LV="${name}_chroot${arch_suffix}"
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CHROOT_PATH="/dev/$VG/$CHROOT_LV"
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SRC_TYPE="union"
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SCHROOT_CONF_TYPE="directory"
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CHROOT_NAME="${name}${arch_suffix}"
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HOST_ARCH=$(dpkg --print-architecture)
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@ -210,14 +212,35 @@ if [ -z "$CHROOT_ARCH" ]; then
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fi
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# Load customizations
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if [ -r ~/.mk-sbuild-lv.rc ]; then
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. ~/.mk-sbuild-lv.rc
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if [ -r ~/.mk-sbuild.rc ]; then
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. ~/.mk-sbuild.rc
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fi
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# Does the specified VG exist? (vgdisplay doesn't set error codes...)
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if [ `sudo vgdisplay -c "$VG" | wc -l` -eq 0 ]; then
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exit 1
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fi
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[ -n "${VG}" ] && { SRC_TYPE="lvm"; SCHROOT_CONF_TYPE="lvm-snapshot"; }
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case "$SRC_TYPE" in
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"lvm")
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# Make sure LVM tools that operate on the snapshots have needed module
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if ! sudo dmsetup targets | grep -q ^snapshot; then
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sudo modprobe dm_snapshot
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echo dm_snapshot | sudo tee -a /etc/modules >/dev/null
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fi
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# Set up some variables for use in the paths and names
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CHROOT_LV="${name}_chroot${arch_suffix}"
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CHROOT_PATH="/dev/$VG/$CHROOT_LV"
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# Does the specified VG exist? (vgdisplay doesn't set error codes...)
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if [ `sudo vgdisplay -c "$VG" | wc -l` -eq 0 ]; then
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exit 1
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fi
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;;
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"union")
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if [ ! -d "${SOURCE_CHROOTS_DIR}" ]; then
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sudo mkdir "${SOURCE_CHROOTS_DIR}"
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fi
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;;
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*) echo "unknown source type" >&2; exit 1;;
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esac
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# Is the specified release known to debootstrap?
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if [ ! -r "/usr/share/debootstrap/scripts/$RELEASE" ]; then
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@ -305,14 +328,6 @@ debian)
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;;
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esac
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# Allocate the "golden" chroot LV
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sudo lvcreate -n "$CHROOT_LV" -L "$LV_SIZE" "$VG"
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sudo mkfs -t ext4 "$CHROOT_PATH"
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# Mount and debootstrap the chroot
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MNT=`mktemp -d -t schroot-XXXXXX`
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sudo mount "$CHROOT_PATH" "$MNT"
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DEBOOTSTRAP_COMMAND=debootstrap
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# Use qemu-arm-static / build-arm-chroot for foreign armel chroots
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if [ "$CHROOT_ARCH" = 'armel' ] && [ ! "$HOST_ARCH" = 'armel' ] ; then
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@ -323,12 +338,33 @@ if [ "$CHROOT_ARCH" = 'armel' ] && [ ! "$HOST_ARCH" = 'armel' ] ; then
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fi
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fi
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case "$SRC_TYPE" in
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"lvm")
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# Allocate the "golden" chroot LV
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sudo lvcreate -n "$CHROOT_LV" -L "$LV_SIZE" "$VG"
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sudo mkfs -t ext4 "$CHROOT_PATH"
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# Mount
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MNT=`mktemp -d -t schroot-XXXXXX`
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sudo mount "$CHROOT_PATH" "$MNT"
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;;
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"union")
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CHROOT_PATH="${SOURCE_CHROOTS_DIR}/${CHROOT_NAME}"
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MNT="${CHROOT_PATH}"
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if [ -d "${MNT}" ]; then
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echo "${MNT} exists. exiting"; exit 1;
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fi
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sudo mkdir -p "${MNT}"
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;;
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esac
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# debootstrap the chroot
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sudo $DEBOOTSTRAP_COMMAND $arch_opt $variant_opt "$RELEASE" "$MNT" "${DEBOOTSTRAP_MIRROR:-http://archive.ubuntu.com/ubuntu}"
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# Update the package sources
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TEMP_SOURCES=`mktemp -t sources-XXXXXX`
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if [ -z "$TEMPLATE_SOURCES" ]; then
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TEMPLATE_SOURCES=~/.mk-sbuild-lv.sources
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TEMPLATE_SOURCES=~/.mk-sbuild.sources
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fi
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if [ -r "$TEMPLATE_SOURCES" ]; then
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cat "$TEMPLATE_SOURCES" > "$TEMP_SOURCES"
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@ -357,12 +393,16 @@ rm -f "$TEMP_SOURCES"
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sudo cp /etc/localtime /etc/timezone "$MNT"/etc/
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# Create an LVM-snapshot-based schroot entry for this LV
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TEMP_SCHROOTCONF=`mktemp -t schrootconf-XXXXXX`
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TEMPLATE_SCHROOTCONF=~/.mk-sbuild-lv.schroot.conf
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if [ -r "$TEMPLATE_SCHROOTCONF" ]; then
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cat "$TEMPLATE_SCHROOTCONF" > "$TEMP_SCHROOTCONF"
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else
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cat > "$TEMP_SCHROOTCONF" <<EOM
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TEMPLATE_SCHROOTCONF=~/.mk-sbuild.schroot.conf
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TYPED_TEMPLATE_SCHROOTCONF="${TEMPLATE_SCHROOTCONF}.${SCHROOT_CONF_TYPE}"
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if [ -r "${TEMPLATE_SCHROOT}" ]; then
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cat "$TEMPLATE_SCHROOTCONF" > "$TEMP_SCHROOTCONF"
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elif [ -r "${TYPED_TEMPLATE_SCHROOTCONF}" ]; then
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cat "${TYPED_TEMPLATE_SCHROOTCONF}" > "$TEMP_SCHROOTCONF"
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else
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if [ "${SRC_TYPE}" = "lvm" ]; then
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cat > "$TEMP_SCHROOTCONF" <<EOM
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[CHROOT_NAME]
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type=lvm-snapshot
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description=CHROOT_NAME
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@ -377,6 +417,18 @@ lvm-snapshot-options=--size SNAPSHOT_SIZE
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#source-root-users=root,sbuild,admin
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#source-root-groups=root,sbuild,admin
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EOM
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elif [ "${SRC_TYPE}" = "union" ]; then
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cat > "${TEMP_SCHROOTCONF}" <<EOM
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[CHROOT_NAME]
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type=directory
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union-type=aufs
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directory=CHROOT_PATH
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description=CHROOT_NAME
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priority=3
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groups=sbuild,root,admin
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root-groups=root,sbuild,admin
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EOM
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fi
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fi
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if [ ! -z "$personality" ]; then
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echo "personality=$personality" >> "$TEMP_SCHROOTCONF"
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@ -417,8 +469,11 @@ apt-get clean
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rm /finish.sh
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EOM
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sudo chmod +x "$MNT"/finish.sh
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sudo umount "$MNT"
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rmdir "$MNT"
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if [ "$SRC_TYPE" = "lvm" ]; then
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sudo umount "$MNT"
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rmdir "$MNT"
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fi
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# Run finalization script on the "golden" copy via schroot.
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sudo schroot -c "$CHROOT_NAME"-source -u root /finish.sh
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