#!/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="-sr" REPACK="" WORKDIR=$PWD update_first="0" clean_first="0" install_pkg="" add_to_db=0 chrootdir="" APPNAME=$(basename "${0}") usage () { echo "usage ${APPNAME} [-hcud] -r <chrootdir> [--] [makepkg args]" echo " ${APPNAME} -r <chrootdir> -I <package-file>" 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 dir consists of the following directories:" echo " <chrootdir>/{root, rw, union} but only 'root' is required" echo " by default. The rest will be created as needed" echo "" echo "The chroot 'root' directory must be created via the following" echo "command:" echo " mkarchroot <chrootdir>/root base base-devel sudo" echo "" echo "Default makepkg args: $MAKEPKG_ARGS" echo "" echo "Flags:" echo "-h This help" echo "-c Clean the chroot before building" echo "-u Update the rw layer of the chroot before building" echo " This is useful for rebuilds without dirtying the pristine" echo " chroot" echo "-d Add the package to a local db at /repo after building" echo "-r <dir> The chroot shell to use" echo "-I <pkg> Install a package into the rw layer of the chroot" exit 1 } while getopts 'hcudr:I:' arg; do case "${arg}" in h) usage ;; c) clean_first=1 ;; u) update_first=1 ;; d) add_to_db=1 ;; r) chrootdir="$OPTARG" ;; I) install_pkg="$OPTARG" ;; *) MAKEPKG_ARGS="$MAKEPKG_ARGS -$arg $OPTARG" ;; esac done #Get rid of trailing / in chrootdir [ "$chrootdir" != "/" ] && chrootdir=$(echo $chrootdir | sed 's#/$##') # Pass all arguments after -- right to makepkg MAKEPKG_ARGS="$MAKEPKG_ARGS ${*:$OPTIND}" # See if -R was passed to makepkg for arg in ${*:$OPTIND}; do if [ "$arg" = "-R" ]; then REPACK=1 break; fi done if [ "$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 "$chrootdir" ]; then echo "No chroot dir defined, or invalid path '$chrootdir'" exit 1 fi if [ ! -d "$chrootdir/root" ]; then echo "Missing chroot dir root directory." echo "Try using: mkarchroot $chrootdir/root base base-devel sudo" usage fi [ -d "$chrootdir/rw" -a "$clean_first" -eq "1" ] && rm -rf "$chrootdir/rw/" [ -d "$chrootdir/rw" ] || mkdir "$chrootdir/rw" [ -d "$chrootdir/union" ] || mkdir "$chrootdir/union" cleanup () { echo "cleaning up unioned mounts" umount "$chrootdir/union/pkgdest" 2>/dev/null umount "$chrootdir/union/srcdest" 2>/dev/null umount "$chrootdir/union" } uniondir="$chrootdir/union" echo "building union chroot" grep -Fq unionfs /proc/filesystems if [ $? -ne 0 ]; then modprobe -q unionfs if [ $? -ne 0 ]; then echo "ERROR: No unionfs available. Abandon ship!" && exit 1 fi fi mount -t unionfs none -o "dirs=$chrootdir/rw=rw:$chrootdir/root=ro" "$uniondir" trap 'cleanup' 0 1 2 15 if [ -n "$install_pkg" ]; then pkgname="$(basename "$install_pkg")" echo "installing '$pkgname' in chroot" cp "$install_pkg" "$uniondir/$pkgname" mkarchroot -r "pacman -U /$pkgname" "$uniondir" ret=$? rm "$uniondir/$pkgname" #exit early, we've done all we need to exit $ret fi if [ $update_first -eq 1 ]; then echo "updating chroot" mkarchroot -r "pacman -Syu --noconfirm" "$uniondir" fi echo "moving build files to chroot" [ -d "$uniondir/build" ] || mkdir "$uniondir/build" if [ "$REPACK" != "1" ]; then #Remove anything in there UNLESS -R (repack) was passed to makepkg rm -rf "$uniondir/build/"* fi # Copy makepkg.conf and ~/.makepkg.conf into the chroot so packager has # all their custom variables set. if [ -r "/etc/makepkg.conf" ]; then rm $uniondir/etc/makepkg.conf cp /etc/makepkg.conf $uniondir/etc/makepkg.conf fi if [ -r ~/.makepkg.conf ]; then cat ~/.makepkg.conf >> $uniondir/etc/makepkg.conf fi source $uniondir/etc/makepkg.conf # Magic trickery with PKGDEST and SRCDEST, so that the built # files end up where they're expected in the _real_ filesystem [ -d "$uniondir/srcdest" ] || mkdir "$uniondir/srcdest" [ -d "$uniondir/pkgdest" ] || mkdir "$uniondir/pkgdest" [ ! -z "$PKGDEST" ] && mount --bind "$PKGDEST" "$uniondir/pkgdest" [ ! -z "$SRCDEST" ] && mount --bind "$SRCDEST" "$uniondir/srcdest" if ! grep "PKGDEST=/pkgdest" "$uniondir/etc/makepkg.conf" >/dev/null 2>&1; then echo "Setting PKGDEST in makepkg.conf" echo "PKGDEST=/pkgdest" >> "$uniondir/etc/makepkg.conf" fi if ! grep "SRCDEST=/srcdest" "$uniondir/etc/makepkg.conf" >/dev/null 2>&1; then echo "Setting SRCDEST in makepkg.conf" echo "SRCDEST=/srcdest" >> "$uniondir/etc/makepkg.conf" fi chown -R nobody "$uniondir/build" chown -R nobody "$uniondir/srcdest" chown -R nobody "$uniondir/pkgdest" # Copy PKGBUILD and sources source PKGBUILD cp PKGBUILD "$uniondir/build/" for f in ${source[@]}; do basef=$(echo $f | sed 's|::.*||' | sed 's|^.*://.*/||g') if [ -f "$basef" ]; then cp "$basef" "$uniondir/srcdest/" fi done if [ "$install" != "" -a -f "$install" ]; then cp "$install" "$uniondir/build/" fi if [ -f "ChangeLog" ]; then cp ChangeLog "$uniondir/build/" fi if ! grep "^nobody" "$uniondir/etc/sudoers" >/dev/null 2>&1; then echo "allowing 'nobody' sudo rights in the chroot" touch "$uniondir/etc/sudoers" echo "nobody ALL=(ALL) NOPASSWD: ALL" >> "$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 export HOME=/build sudo -u nobody makepkg $MAKEPKG_ARGS || touch BUILD_FAILED EOF ) > "$uniondir/chrootbuild" chmod +x "$uniondir/chrootbuild" if mkarchroot -r "/chrootbuild" "$uniondir"; then source ${WORKDIR}/PKGBUILD if [ -n "$add_to_db" ]; then [ -d "${chrootdir}/union/repo" ] || mkdir -p "${chrootdir}/union/repo" pushd "${chrootdir}/union/repo" >/dev/null cp ${chrootdir}/union/pkgdest/${pkgname}-${pkgver}-${pkgrel}-*.pkg.tar.gz . repo-add repo.db.tar.gz *.pkg.tar.gz popd >/dev/null fi if [ -z "$(mount | grep ${chrootdir}/union/pkgdest)" ]; then echo "Moving completed package file to ${WORKDIR}" mv ${chrootdir}/union/pkgdest/${pkgname}-${pkgver}-${pkgrel}-*.pkg.tar.gz ${WORKDIR} fi if [ -z "$(mount | grep ${chrootdir}/union/srcdest)" ]; then echo "Moving downloaded source files to ${WORKDIR}" mv ${chrootdir}/union/srcdest/* ${WORKDIR} fi else #just in case. We returned 1, make sure we fail touch ${chrootdir}/rw/build/BUILD_FAILED fi if [ -e ${chrootdir}/rw/build/BUILD_FAILED ]; then echo "Build failed, check $chrootdir/rw/build" rm ${chrootdir}/rw/build/BUILD_FAILED else rm -rf ${chrootdir}/rw/build/* echo "Build complete" fi # vim:ft=sh:ts=4:sw=4:et: