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Merge pull request #3588 from tianon/debootstrap-tweaks
Add a few small tweaks to mkimage-debootstrap, especially to help with lucid
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commit
e1b210bee9
1 changed files with 22 additions and 6 deletions
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@ -117,6 +117,11 @@ 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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@ -138,18 +143,26 @@ if [ -z "$strictDebootstrap" ]; then
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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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# 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 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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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 { ${aptGetClean} };"
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echo 'Dir::Cache::pkgcache ""; Dir::Cache::srcpkgcache "";'
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} | sudo tee etc/apt/apt.conf.d/no-cache > /dev/null
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# and remove the translations, too
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# and remove the translations, too
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echo 'Acquire::Languages "none";' | sudo tee etc/apt/apt.conf.d/no-languages > /dev/null
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# helpful undo lines for each the above tweaks (for lack of a better home to keep track of them):
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@ -190,6 +203,9 @@ if [ -z "$strictDebootstrap" ]; then
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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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fi
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if [ "$justTar" ]; then
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