File: build-recipe-livebuild

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obs-build 20180831-2
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#################################################################
#
# Debian live-build specific functions.
#
# Copyright (c) 2014,2015 Brocade Communications Systems, Inc.
# Author: Jan Blunck <jblunck@infradead.org>
#
# This file is part of build.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or 3 as
# published by the Free Software Foundation.
#
# 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 (see the file COPYING); if not, write to the
# Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
#
#################################################################

recipe_setup_livebuild() {
    TOPDIR=/usr/src/packages
    test "$DO_INIT_TOPDIR" = false || rm -rf "$BUILD_ROOT$TOPDIR"
    for i in OTHER SOURCES LIVEBUILD_ROOT ; do
	mkdir -p "$BUILD_ROOT$TOPDIR/$i"
    done
    chown -R "$ABUILD_UID:$ABUILD_GID" "$BUILD_ROOT$TOPDIR"
    if test "$MYSRCDIR" = $BUILD_ROOT/.build-srcdir ; then
	mv "$MYSRCDIR"/* $BUILD_ROOT$TOPDIR/SOURCES/
    else
	cp -p "$MYSRCDIR"/* $BUILD_ROOT$TOPDIR/SOURCES/
    fi
}

recipe_prepare_livebuild() {
    :
}

createrepo_debian() {
    local DIR=${1}
    local ARCH=${2}
    local DIST=${3}

    if [ -z "${DIR}" -o ! -d ${DIR} -o ${DIR} = ${DIR##${BUILD_ROOT}} ] ; then
        return
    fi

    pushd ${DIR} >/dev/null

    # cleanup existing repository files
    rm -f Packages Packages.gz Release
    rm -fr dists

    mkdir -p dists/${DIST}

    # create Packages and Sources files
    mkdir -p dists/${DIST}/main/binary-${ARCH}
    mkdir -p dists/${DIST}/main/source
    cat > ${BUILD_ROOT}/.createrepo_debian.tmp.sh <<-EOF
	cd /.build.binaries || exit 1
	dpkg-scanpackages -m . > dists/${DIST}/main/binary-${ARCH}/Packages
	gzip -c9 < dists/${DIST}/main/binary-${ARCH}/Packages \
	    > dists/${DIST}/main/binary-${ARCH}/Packages.gz
	dpkg-scansources . > dists/${DIST}/main/source/Sources
	gzip -c9 dists/${DIST}/main/source/Sources \
	    > dists/${DIST}/main/source/Sources.gz
	EOF
    chroot $BUILD_ROOT su -c "sh /.createrepo_debian.tmp.sh" - root
    local RESULT=$?
    rm -f $BUILD_ROOT/.createrepo_debian.tmp.sh
    [ "${RESULT}" != 0 ] && return

    # Only add symlinks after running dpkg-scanpackages to avoid
    # https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=809219, which is at
    # least present in the Ubuntu xenial version of dpkg
    # Suite is symlinked to Codename
    ln -s ${DIST} dists/stable

    # create Release file
    pushd dists/${DIST} >/dev/null
    cat > Release <<-EOF
	Origin: Debian
	Label: Debian
	Suite: stable
	Version: 7.1
	Codename: ${DIST}
	Date: Sat, 15 Jun 2013 10:55:26 UTC
	Description: Debian repository created by build-recipe-livebuild
	Components: main
	EOF
    echo "SHA256:" >> Release
    for file in main/binary-${ARCH}/Packages* ; do
        local SUM=( $(sha256sum ${file}) )
        local SIZE=$(stat -c '%s' ${file})
        echo " ${SUM} ${SIZE} ${file}" >> Release
    done
    for file in main/source/Sources* ; do
        local SUM=( $(sha256sum ${file}) )
        local SIZE=$(stat -c '%s' ${file})
        echo " ${SUM} ${SIZE} ${file}" >> Release
    done
    popd >/dev/null

    # TODO: this is missing the signature with the private key

    popd >/dev/null
}

# This script expects that the $BUILD_ROOT is a Debian installation with
# live-build already installed!
#
# Variables:
# $BUILD_ROOT the Debian chroot
# $TOPDIR/SOURCES includes the live-build config tarball
# $TOPDIR/$LIVEBUILD_ROOT where live-build will be called
# $RECIPEFILE the name of the live-build config tarball

recipe_build_livebuild() {
    local ARCH=$(chroot $BUILD_ROOT su -c "dpkg-architecture -qDEB_BUILD_ARCH")
    local DIST=$(chroot $BUILD_ROOT su -c "lsb_release --codename" | awk '{ print $2 }')
    local LIVEBUILD_ROOT="LIVEBUILD_ROOT"

    [ -z "${ARCH}" -o -z "${DIST}" ] && cleanup_and_exit 1

    # https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=845651
    # For our use case it makes sense to always return the testing codename,
    # as creating a dependency on live-build-desc-sid would not make sense. In
    # the example cited in the above bug, the metadata for sid would be incorrect
    # anyway, and we would want the ones for potato.
    if test "${DIST}" = "n/a" ; then
	DIST=$(chroot $BUILD_ROOT su -c "sed 's/\(.*\)\/.*/\1/' /etc/debian_version")
    fi

    test -d $BUILD_ROOT/.build.binaries || cleanup_and_exit 1
    if test "$DO_INIT" = true -o ! -d "$BUILD_ROOT/.build.binaries/dists" ; then
	echo "creating repository metadata..."
        createrepo_debian $BUILD_ROOT/.build.binaries ${ARCH} ${DIST}
    fi

    # Write our default configuration variables
    mkdir -p $BUILD_ROOT/etc/live
    cat > $BUILD_ROOT/etc/live/build.conf <<-EOF
	LB_DEBIAN_INSTALLER_DISTRIBUTION="${DIST}"
	LB_DISTRIBUTION="${DIST}"
	LB_PARENT_DISTRIBUTION="${DIST}"
	LB_PARENT_DEBIAN_INSTALLER_DISTRIBUTION="${DIST}"
	LB_PARENT_MIRROR_BOOTSTRAP="file:/.build.binaries/"
	LB_PARENT_MIRROR_CHROOT="file:/.build.binaries/"
	LB_PARENT_MIRROR_CHROOT_SECURITY="file:/.build.binaries/"
	LB_PARENT_MIRROR_BINARY="file:/.build.binaries/"
	LB_PARENT_MIRROR_BINARY_SECURITY="file:/.build.binaries/"
	LB_PARENT_MIRROR_DEBIAN_INSTALLER="file:/.build.binaries/"
	LB_MIRROR_BOOTSTRAP="file:/.build.binaries/"
	LB_MIRROR_CHROOT="file:/.build.binaries/"
	LB_MIRROR_CHROOT_SECURITY="file:/.build.binaries/"
	LB_MIRROR_BINARY="file:/.build.binaries/"
	LB_MIRROR_BINARY_SECURITY="file:/.build.binaries/"
	LB_MIRROR_DEBIAN_INSTALLER="file:/.build.binaries/"
	LB_APT_SECURE="false"
	LIVE_IMAGE_NAME="${RECIPEFILE%.livebuild}"
	EOF

    # Expand live-build configuration to $TOPDIR/$LIVEBUILD_ROOT
    echo "Expanding live-build configuration"
    tar -xvf $BUILD_ROOT/$TOPDIR/SOURCES/$RECIPEFILE \
	-C $BUILD_ROOT/$TOPDIR/$LIVEBUILD_ROOT || cleanup_and_exit 1

    # Skip top-level directory if it matches recipe name, ...
    local files=($BUILD_ROOT/$TOPDIR/$LIVEBUILD_ROOT/*)
    # ... but ignore some well known names
    files=(${files[@]%%*/auto})
    files=(${files[@]%%*/config})
    files=(${files[@]%%*/local})
    if [ ${#files[@]} -eq 1 ] && \
	[ -d $BUILD_ROOT/$TOPDIR/$LIVEBUILD_ROOT/${RECIPEFILE%.livebuild} ]
    then
	LIVEBUILD_ROOT="LIVEBUILD_ROOT/${RECIPEFILE%.livebuild}"
    fi

    # Sanity check to not configure archives inside configuration
    files=($BUILD_ROOT/$TOPDIR/$LIVEBUILD_ROOT/config/archives/*.chroot)
    if [ ${#files[@]} -gt 0 ]; then
        cleanup_and_exit 1 "E: No configuration in config/archives/*.chroot allowed"
    fi

    # TODO: Add the repository public key
    # cp ... $BUILD_ROOT/$TOPDIR/$LIVEBUILD_ROOT/config/archives/debian.key

    if [ -x $BUILD_ROOT/usr/lib/build/livebuild_pre_run ] ; then
	echo "Running OBS build livebuild_pre_run hook"
	chroot $BUILD_ROOT su -c \
        "export RECIPEFILE=${RECIPEFILE}; /usr/lib/build/livebuild_pre_run" \
        - root < /dev/null || cleanup_and_exit 1
    fi

    # TODO: this might move to lb auto/config file
    if [ -f $BUILD_ROOT/$TOPDIR/SOURCES/livebuild_pre_run ] ; then
	cp $BUILD_ROOT/$TOPDIR/SOURCES/livebuild_pre_run \
	    $BUILD_ROOT/.build.livebuild_pre_run
	chmod +x $BUILD_ROOT/.build.livebuild_pre_run
	echo "Running package livebuild_pre_run hook"
	chroot $BUILD_ROOT su -c \
        "export RECIPEFILE=${RECIPEFILE}; /.build.livebuild_pre_run" \
        - root < /dev/null || cleanup_and_exit 1
    fi

    chroot $BUILD_ROOT su -c "cd $TOPDIR/$LIVEBUILD_ROOT && lb build" - root \
	< /dev/null || cleanup_and_exit 1

    # extract build result basenames
    local build_results=""
    for i in $BUILD_ROOT/$TOPDIR/$LIVEBUILD_ROOT/* ; do
	test -f "$i" || continue
	case "${i##*/}" in
	    *.hybrid.iso)
		build_results="${build_results}\n${i%%.hybrid.iso}"
		;;
	    *.iso)
		build_results="${build_results}\n${i%%.iso}"
		;;
	    *ONIE.bin)
		build_results="${build_results}\n${i%%ONIE.bin}"
		;;
	    *.img)
		build_results="${build_results}\n${i%%.img}"
		;;
	    *.netboot.tar*)
		build_results="${build_results}\n${i%%.netboot.tar*}"
		;;
	    *.tar*)
		build_results="${build_results}\n${i%%.tar*}"
		;;
	    *)
		;;
	esac
    done

    # Fail the build if no build results are found
    if [ -z "${build_results}" ] ; then
	cleanup_and_exit 1 "No live-build result found"
    fi

    # move created products (and their metadata files) to destination and
    # create sha256 hashsums
    local buildnum="${RELEASE:+-Build${RELEASE}}"
    for prefix in $(echo -e ${build_results} | sort | uniq) ; do
	for f in ${prefix}.* ; do
	    mv ${f} \
		$BUILD_ROOT/$TOPDIR/OTHER/${prefix##*/}${buildnum}${f#${prefix}}
	    # change directory to avoid having full path in hashsum file
	    pushd $BUILD_ROOT/$TOPDIR/OTHER >/dev/null
	    /usr/bin/sha256sum "${prefix##*/}${buildnum}${f#${prefix}}" > \
		"${prefix##*/}${buildnum}${f#${prefix}}".sha256
	    popd >/dev/null
	    BUILD_SUCCEEDED=true
	done
    done

    # copy recipe source tarball so that it can be published
    cp "$BUILD_ROOT/$TOPDIR/SOURCES/$RECIPEFILE" \
        "$BUILD_ROOT/$TOPDIR/OTHER/${RECIPEFILE%.livebuild}${buildnum}".livebuild.tar
}

recipe_resultdirs_livebuild() {
    # our results are already in OTHER
    :
}

recipe_cleanup_livebuild() {
    :
}

# Local Variables:
# mode: Shell-script
# End: