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@ -31,6 +31,111 @@ Expire-Date: 0
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lb bootstrap "$@"
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if [ "${SUBPROJECT:-}" = minimized ] \
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&& ! Chroot chroot dpkg -l tzdata 2>&1 |grep -q ^ii; then
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# workaround for tzdata purge not removing these files
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rm -f chroot/etc/localtime chroot/etc/timezone
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fi
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if [ "${SUBPROJECT:-}" = minimized ]; then
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# set up dpkg filters to skip installing docs on minimizedd system
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mkdir -p chroot/etc/dpkg/dpkg.cfg.d
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cat > chroot/etc/dpkg/dpkg.cfg.d/excludes <<EOF
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# Drop all man pages
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path-exclude=/usr/share/man/*
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# Drop all documentation ...
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path-exclude=/usr/share/doc/*
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# ... except copyright files ...
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path-include=/usr/share/doc/*/copyright
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# ... and Debian changelogs
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path-include=/usr/share/doc/*/changelog.Debian.*
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EOF
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# Remove docs installed by bootstrap
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Chroot chroot dpkg-query -f '${binary:Package}\n' -W | Chroot chroot xargs apt-get install --reinstall
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# Add unminimizer script which restores default image behavior
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mkdir -p chroot/usr/local/sbin
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cat > chroot/usr/local/sbin/unminimize <<'EOF'
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#!/bin/sh
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set -e
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echo "This system was optimized for smaller footprint by reducing the available"
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echo "installed documentation, removal of rarely used tools, and by other means."
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echo ""
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echo "This script reverts part of the optimization and makes documentation and"
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echo "tools available again to match the familiar Ubuntu minimial system."
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echo ""
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echo "Be warned that reinstallation of packages may fail due to changes to the"
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echo "system configuration, due to installation of 3rd party packages, or for"
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echo "other reasons."
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read -p "Would you like to continue? [y/N]" REPLY
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echo # (optional) move to a new line
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if [ "$REPLY" != "y" ] && [ "$REPLY" != "Y" ]
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then
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exit 1
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fi
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if [ -f /etc/dpkg/dpkg.cfg.d/excludes ] || [ -f /etc/dpkg/dpkg.cfg.d/excludes.dpkg-tmp ]; then
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echo "Re-enabling installation of all documentation in dpkg..."
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if [ -f /etc/dpkg/dpkg.cfg.d/excludes ]; then
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mv /etc/dpkg/dpkg.cfg.d/excludes /etc/dpkg/dpkg.cfg.d/excludes.dpkg-tmp
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fi
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echo "Updating package list and upgrading packages..."
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apt-get update
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# apt-get upgrade asks for confirmation before upgrading packages to let the user stop here
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apt-get upgrade
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echo "Restoring system documentation..."
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echo "Reinstalling packages with files in /usr/share/man/ ..."
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# Reinstallation takes place in two steps because a single dpkg --verified
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# command generates very long parameter list for "xargs dpkg -S" and may go
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# over ARG_MAX. Since many packages have man pages the second download
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# handles a much smaller amount of packages.
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dpkg -S /usr/share/man/ |sed 's|, |\n|g;s|: [^:]*$||' | DEBIAN_FRONTEND=noninteractive xargs apt-get install --reinstall -y
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echo "Reinstalling packages with system documentation in /usr/share/doc/ .."
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# This step processes the packages which still have missing documentation
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dpkg --verify --verify-format rpm | awk '/..5...... \/usr\/share\/doc/ {print $2}' | sed 's|/[^/]*$||' | sort |uniq \
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| xargs dpkg -S | sed 's|, |\n|g;s|: [^:]*$||' | uniq | DEBIAN_FRONTEND=noninteractive xargs apt-get install --reinstall -y
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if dpkg --verify --verify-format rpm | awk '/..5...... \/usr\/share\/doc/ {exit 1}'; then
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echo "Documentation has been restored successfully."
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rm /etc/dpkg/dpkg.cfg.d/excludes.dpkg-tmp
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else
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echo "There are still files missing from /usr/share/doc/:"
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dpkg --verify --verify-format rpm | awk '/..5...... \/usr\/share\/doc/ {print " " $2}'
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echo "You may want to try running this script again or you can remove"
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echo "/etc/dpkg/dpkg.cfg.d/excludes.dpkg-tmp and restore the files manually."
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fi
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fi
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if ! dpkg-query --show --showformat='${db:Status-Status}\n' ubuntu-minimal 2> /dev/null | grep -q '^installed$'; then
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echo "Installing ubuntu-minimal package to provide the familiar Ubuntu minimal system..."
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DEBIAN_FRONTEND=noninteractive apt-get install -y ubuntu-minimal
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fi
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# unminimization succeeded, there is no need to mention it in motd
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rm -f /etc/update-motd.d/60-unminimize
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EOF
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chmod +x chroot/usr/local/sbin/unminimize
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fi
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# inform users about the unminimize script
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cat > "chroot/etc/update-motd.d/60-unminimize" << EOF
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#!/bin/sh
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#
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# This file is not managed by a package. If you no longer want to
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# see this message you can safely remove the file.
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echo ""
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echo "This system does not provide part of the tools and documentation"
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echo "which are available on standard Ubuntu systems."
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echo "To make them available please run the "unminimize" command."
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EOF
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chmod +x chroot/etc/update-motd.d/60-unminimize
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Chroot chroot "dpkg-divert --quiet --add \
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--divert /usr/sbin/update-initramfs.REAL --rename \
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/usr/sbin/update-initramfs"
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@ -249,7 +354,7 @@ elif [ -e binary-tar.tar.gz ]; then
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cp -a binary-tar.tar.gz "$PREFIX.rootfs.tar.gz"
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fi
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if [ "$PROJECT:$SUBPROJECT" = "ubuntu-core:system-image" ]; then
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if [ "$PROJECT:${SUBPROJECT:-}" = "ubuntu-core:system-image" ]; then
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if [ -e "binary/$INITFS/filesystem.dir" ]; then
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rootfs="binary/$INITFS/filesystem.dir"
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@ -297,7 +402,7 @@ fi
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# ubuntu-core and ubuntu-desktop-next splits kernel stuff into a "device" tarball so
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# at this point we reset it to "none" as all the work to extract it was done already
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# in a binary hook
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case $PROJECT:$SUBPROJECT in
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case $PROJECT:${SUBPROJECT:-} in
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ubuntu-core:system-image|ubuntu-desktop-next:system-image)
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# create device tarball (for snappy only atm)
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Steve Langasek
7 years ago