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#!/bin/bash
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# 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.
FORCE="n"
RUN=""
MAKEPKG_ARGS="-Ss"
WORKDIR=$PWD
chrootdir="$CHROOT_SHELL"
APPNAME=$(basename "${0}")
usage ()
{
echo "usage ${APPNAME} [-h] [-c CHROOT_SHELL] [--] [makepkg args]"
echo " Run this script in a PKGBUILD dir to build a package inside a"
echo " clean chroot. All unrecognized arguments passed to this script"
echo " will be passed to makepkg."
echo ""
echo "The \$CHROOT_SHELL environment variable is used to determine where"
echo " your chroot shell is. The shell consists of the following"
echo " directories: \$CHROOT_SHELL/{root, rw, union} but only 'root' is"
echo " required by default. The rest will be created as needed"
echo ""
echo "The chroot shell 'root' directory must be created via the following"
echo "command:"
echo " mkarchroot \$CHROOT_SHELL/root base base-devel sudo"
echo ""
echo "If you have problems passing params to makepkg or need to pass long"
echo "options, put -- between the makechrootpkg args and the makepkg args"
echo ""
echo "Default makepkg args: $MAKEPKG_ARGS"
exit 1
}
while getopts ':c:h' arg; do
case "${arg}" in
c) chrootdir="$OPTARG" ;;
h|?) usage ;;
*) MAKEPKG_ARGS="$MAKEPKG_ARGS -$arg $OPTARG" ;;
esac
done
# Pass all arguments after -- right to makepkg
MAKEPKG_ARGS="$MAKEPKG_ARGS ${*:$OPTIND}"
if [ "$EUID" != "0" ]; then
echo "This script must be run as root."
exit 1
fi
if [ ! -f PKGBUILD ]; then
echo "This must be run in a directory containing a PKGBUILD."
exit 1
fi
source PKGBUILD
if [ ! -d "$chrootdir" ]; then
echo "No \$CHROOT_SHELL defined, or invalid path ($chrootdir)"
exit 1
fi
if [ ! -d "$chrootdir/root" ]; then
echo "Missing \$CHROOT_SHELL root directory."
echo "Try using: mkarchroot \$CHROOT_SHELL base base-devel sudo"
usage
fi
[ -d "$chrootdir/rw" ] || mkdir "$chrootdir/rw"
[ -d "$chrootdir/union" ] || mkdir "$chrootdir/union"
cleanup ()
{
echo "cleaning up unioned mounts"
umount "$chrootdir/union"
}
uniondir="$chrootdir/union"
echo "building union chroot"
modprobe -q unionfs
mount -t unionfs none -o "dirs=$chrootdir/rw=rw:$chrootdir/root=ro" "$uniondir"
trap 'cleanup' 0 1 2 15
echo "moving build files to chroot"
[ -d "$uniondir/build" ] || mkdir "$uniondir/build"
chown -R nobody "$uniondir/build"
source PKGBUILD
cp PKGBUILD "$uniondir/build/"
for f in ${source[@]}; do
if [ -f "$f" ]; then
cp "$f" "$uniondir/build/"
fi
done
if [ "$install" != "" -a -f "$install" ]; then
cp "$install" "$uniondir/build/"
fi
if ! grep "^nobody" "$uniondir/etc/sudoers" >/dev/null 2>&1; then
echo "allowing 'nobody' sudo rights in the chroot"
echo "nobody ALL=(ALL) NOPASSWD: ALL" >> "$uniondir/etc/sudoers"
chmod 440 "$uniondir/etc/sudoers"
fi
#This is a little gross, but this way the script is recreated every time in the
#rw portion of the union
(cat <<EOF
#!/bin/bash
export LANG=$LOCALE
cd /build
sudo -u nobody makepkg $MAKEPKG_ARGS || touch BUILD_FAILED
EOF
) > "$uniondir/chrootbuild"
chmod +x "$uniondir/chrootbuild"
mkarchroot -r "/chrootbuild" "$uniondir"
if [ -e ${chrootdir}/rw/build/BUILD_FAILED ]; then
echo "Build failed, check \$CHROOT_DIR/rw/build"
rm ${chrootdir}/rw/build/BUILD_FAILED
exit 1
else
source ${WORKDIR}/PKGBUILD
mv ${chrootdir}/rw/build/${pkgname}-${pkgver}-*.pkg.tar.gz ${WORKDIR}
rm -rf ${chrootdir}/rw/build/*
echo "Build complete"
fi
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