mirror of
https://github.com/moby/moby.git
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d04f4d836c
This makes mkimage-debootstrap upgrade packages after retrieving updated lists of packages. Docker-DCO-1.1-Signed-off-by: Cristian Staretu <cristian.staretu@gmail.com> (github: unclejack)
293 lines
8.9 KiB
Bash
Executable file
293 lines
8.9 KiB
Bash
Executable file
#!/usr/bin/env bash
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set -e
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variant='minbase'
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include='iproute,iputils-ping'
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arch='amd64' # intentionally undocumented for now
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skipDetection=
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strictDebootstrap=
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justTar=
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usage() {
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echo >&2
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echo >&2 "usage: $0 [options] repo suite [mirror]"
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echo >&2
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echo >&2 'options: (not recommended)'
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echo >&2 " -p set an http_proxy for debootstrap"
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echo >&2 " -v $variant # change default debootstrap variant"
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echo >&2 " -i $include # change default package includes"
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echo >&2 " -d # strict debootstrap (do not apply any docker-specific tweaks)"
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echo >&2 " -s # skip version detection and tagging (ie, precise also tagged as 12.04)"
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echo >&2 " # note that this will also skip adding universe and/or security/updates to sources.list"
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echo >&2 " -t # just create a tarball, especially for dockerbrew (uses repo as tarball name)"
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echo >&2
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echo >&2 " ie: $0 username/debian squeeze"
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echo >&2 " $0 username/debian squeeze http://ftp.uk.debian.org/debian/"
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echo >&2
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echo >&2 " ie: $0 username/ubuntu precise"
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echo >&2 " $0 username/ubuntu precise http://mirrors.melbourne.co.uk/ubuntu/"
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echo >&2
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echo >&2 " ie: $0 -t precise.tar.bz2 precise"
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echo >&2 " $0 -t wheezy.tgz wheezy"
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echo >&2 " $0 -t wheezy-uk.tar.xz wheezy http://ftp.uk.debian.org/debian/"
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echo >&2
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}
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# these should match the names found at http://www.debian.org/releases/
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debianStable=wheezy
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debianUnstable=sid
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# this should match the name found at http://releases.ubuntu.com/
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ubuntuLatestLTS=precise
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# this should match the name found at http://releases.tanglu.org/
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tangluLatest=aequorea
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while getopts v:i:a:p:dst name; do
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case "$name" in
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p)
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http_proxy="$OPTARG"
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;;
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v)
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variant="$OPTARG"
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;;
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i)
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include="$OPTARG"
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;;
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a)
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arch="$OPTARG"
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;;
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d)
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strictDebootstrap=1
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;;
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s)
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skipDetection=1
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;;
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t)
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justTar=1
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;;
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?)
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usage
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exit 0
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;;
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esac
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done
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shift $(($OPTIND - 1))
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repo="$1"
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suite="$2"
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mirror="${3:-}" # stick to the default debootstrap mirror if one is not provided
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if [ ! "$repo" ] || [ ! "$suite" ]; then
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usage
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exit 1
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fi
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# some rudimentary detection for whether we need to "sudo" our docker calls
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docker=''
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if docker version > /dev/null 2>&1; then
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docker='docker'
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elif sudo docker version > /dev/null 2>&1; then
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docker='sudo docker'
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elif command -v docker > /dev/null 2>&1; then
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docker='docker'
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else
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echo >&2 "warning: either docker isn't installed, or your current user cannot run it;"
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echo >&2 " this script is not likely to work as expected"
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sleep 3
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docker='docker' # give us a command-not-found later
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fi
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# make sure we have an absolute path to our final tarball so we can still reference it properly after we change directory
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if [ "$justTar" ]; then
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if [ ! -d "$(dirname "$repo")" ]; then
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echo >&2 "error: $(dirname "$repo") does not exist"
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exit 1
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fi
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repo="$(cd "$(dirname "$repo")" && pwd -P)/$(basename "$repo")"
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fi
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# will be filled in later, if [ -z "$skipDetection" ]
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lsbDist=''
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target="/tmp/docker-rootfs-debootstrap-$suite-$$-$RANDOM"
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cd "$(dirname "$(readlink -f "$BASH_SOURCE")")"
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returnTo="$(pwd -P)"
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if [ "$suite" = 'lucid' ]; then
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# lucid fails and doesn't include gpgv in minbase; "apt-get update" fails
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include+=',gpgv'
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fi
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set -x
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# bootstrap
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mkdir -p "$target"
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sudo http_proxy=$http_proxy debootstrap --verbose --variant="$variant" --include="$include" --arch="$arch" "$suite" "$target" "$mirror"
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cd "$target"
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if [ -z "$strictDebootstrap" ]; then
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# prevent init scripts from running during install/update
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# policy-rc.d (for most scripts)
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echo $'#!/bin/sh\nexit 101' | sudo tee usr/sbin/policy-rc.d > /dev/null
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sudo chmod +x usr/sbin/policy-rc.d
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# initctl (for some pesky upstart scripts)
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sudo chroot . dpkg-divert --local --rename --add /sbin/initctl
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sudo ln -sf /bin/true sbin/initctl
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# see https://github.com/dotcloud/docker/issues/446#issuecomment-16953173
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# shrink the image, since apt makes us fat (wheezy: ~157.5MB vs ~120MB)
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sudo chroot . apt-get clean
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if strings usr/bin/dpkg | grep -q unsafe-io; then
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# while we're at it, apt is unnecessarily slow inside containers
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# this forces dpkg not to call sync() after package extraction and speeds up install
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# the benefit is huge on spinning disks, and the penalty is nonexistent on SSD or decent server virtualization
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echo 'force-unsafe-io' | sudo tee etc/dpkg/dpkg.cfg.d/02apt-speedup > /dev/null
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# we have this wrapped up in an "if" because the "force-unsafe-io"
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# option was added in dpkg 1.15.8.6
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# (see http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=584254#82),
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# and ubuntu lucid/10.04 only has 1.15.5.6
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fi
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# we want to effectively run "apt-get clean" after every install to keep images small (see output of "apt-get clean -s" for context)
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{
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aptGetClean='"rm -f /var/cache/apt/archives/*.deb /var/cache/apt/archives/partial/*.deb /var/cache/apt/*.bin || true";'
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echo "DPkg::Post-Invoke { ${aptGetClean} };"
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echo "APT::Update::Post-Invoke { ${aptGetClean} };"
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echo 'Dir::Cache::pkgcache ""; Dir::Cache::srcpkgcache "";'
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} | sudo tee etc/apt/apt.conf.d/no-cache > /dev/null
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# and remove the translations, too
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echo 'Acquire::Languages "none";' | sudo tee etc/apt/apt.conf.d/no-languages > /dev/null
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# helpful undo lines for each the above tweaks (for lack of a better home to keep track of them):
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# rm /usr/sbin/policy-rc.d
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# rm /sbin/initctl; dpkg-divert --rename --remove /sbin/initctl
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# rm /etc/dpkg/dpkg.cfg.d/02apt-speedup
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# rm /etc/apt/apt.conf.d/no-cache
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# rm /etc/apt/apt.conf.d/no-languages
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if [ -z "$skipDetection" ]; then
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# see also rudimentary platform detection in hack/install.sh
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lsbDist=''
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if [ -r etc/lsb-release ]; then
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lsbDist="$(. etc/lsb-release && echo "$DISTRIB_ID")"
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fi
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if [ -z "$lsbDist" ] && [ -r etc/debian_version ]; then
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lsbDist='Debian'
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fi
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case "$lsbDist" in
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Debian)
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# add the updates and security repositories
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if [ "$suite" != "$debianUnstable" -a "$suite" != 'unstable' ]; then
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# ${suite}-updates only applies to non-unstable
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sudo sed -i "p; s/ $suite main$/ ${suite}-updates main/" etc/apt/sources.list
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# same for security updates
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echo "deb http://security.debian.org/ $suite/updates main" | sudo tee -a etc/apt/sources.list > /dev/null
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fi
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;;
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Ubuntu)
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# add the universe, updates, and security repositories
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sudo sed -i "
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s/ $suite main$/ $suite main universe/; p;
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s/ $suite main/ ${suite}-updates main/; p;
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s/ $suite-updates main/ ${suite}-security main/
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" etc/apt/sources.list
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;;
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Tanglu)
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# add the updates repository
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if [ "$suite" = "$tangluLatest" ]; then
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# ${suite}-updates only applies to stable Tanglu versions
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sudo sed -i "p; s/ $suite main$/ ${suite}-updates main/" etc/apt/sources.list
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fi
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;;
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SteamOS)
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# add contrib and non-free
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sudo sed -i "s/ $suite main$/ $suite main contrib non-free/" etc/apt/sources.list
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;;
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esac
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fi
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# make sure our packages lists are as up to date as we can get them
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sudo chroot . apt-get update
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sudo chroot . apt-get dist-upgrade -y
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fi
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if [ "$justTar" ]; then
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# create the tarball file so it has the right permissions (ie, not root)
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touch "$repo"
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# fill the tarball
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sudo tar --numeric-owner -caf "$repo" .
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else
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# create the image (and tag $repo:$suite)
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sudo tar --numeric-owner -c . | $docker import - $repo:$suite
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# test the image
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$docker run -i -t $repo:$suite echo success
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if [ -z "$skipDetection" ]; then
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case "$lsbDist" in
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Debian)
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if [ "$suite" = "$debianStable" -o "$suite" = 'stable' ] && [ -r etc/debian_version ]; then
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# tag latest
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$docker tag $repo:$suite $repo:latest
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if [ -r etc/debian_version ]; then
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# tag the specific debian release version (which is only reasonable to tag on debian stable)
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ver=$(cat etc/debian_version)
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$docker tag $repo:$suite $repo:$ver
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fi
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fi
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;;
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Ubuntu)
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if [ "$suite" = "$ubuntuLatestLTS" ]; then
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# tag latest
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$docker tag $repo:$suite $repo:latest
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fi
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if [ -r etc/lsb-release ]; then
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lsbRelease="$(. etc/lsb-release && echo "$DISTRIB_RELEASE")"
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if [ "$lsbRelease" ]; then
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# tag specific Ubuntu version number, if available (12.04, etc.)
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$docker tag $repo:$suite $repo:$lsbRelease
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fi
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fi
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;;
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Tanglu)
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if [ "$suite" = "$tangluLatest" ]; then
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# tag latest
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$docker tag $repo:$suite $repo:latest
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fi
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if [ -r etc/lsb-release ]; then
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lsbRelease="$(. etc/lsb-release && echo "$DISTRIB_RELEASE")"
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if [ "$lsbRelease" ]; then
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# tag specific Tanglu version number, if available (1.0, 2.0, etc.)
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$docker tag $repo:$suite $repo:$lsbRelease
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fi
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fi
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;;
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SteamOS)
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if [ -r etc/lsb-release ]; then
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lsbRelease="$(. etc/lsb-release && echo "$DISTRIB_RELEASE")"
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if [ "$lsbRelease" ]; then
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# tag specific SteamOS version number, if available (1.0, 2.0, etc.)
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$docker tag $repo:$suite $repo:$lsbRelease
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fi
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fi
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;;
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esac
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fi
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fi
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# cleanup
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cd "$returnTo"
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sudo rm -rf "$target"
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