3e80462940
- makepkg 5.1 implements error codes, and 14 means that installing the packages after they were built has failed. We don't care about this error and would like makechrootpkg to succeed regardless, e.g. for split packages that are mutually exclusive. - Do not assume the makechrootpkg user's groupname is the same as the username
350 lines
10 KiB
Bash
350 lines
10 KiB
Bash
#!/bin/bash
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; version 2 of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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version=@version@
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LIBDIR='@libdir@'
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[[ -r ${LIBDIR}/util-msg.sh ]] && source ${LIBDIR}/util-msg.sh
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import ${LIBDIR}/util.sh
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shopt -s nullglob
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makepkg_args=(-s --noconfirm -L)
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repack=false
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update_first=false
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clean_first=false
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install_pkg=
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run_namcap=false
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temp_chroot=false
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chrootdir=
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passeddir=
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declare -a install_pkgs
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declare -i ret=0
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copy=$USER
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[[ -n $SUDO_USER ]] && copy=$SUDO_USER
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[[ -z "$copy" || $copy = root ]] && copy=copy
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src_owner=${SUDO_USER:-$USER}
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usage() {
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echo "Usage: ${0##*/} [options] -r <chrootdir> [--] [makepkg args]"
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echo ' Run this script in a PKGBUILD dir to build a package inside a'
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echo ' clean chroot. Arguments passed to this script after the'
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echo ' end-of-options marker (--) will be passed to makepkg.'
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echo ''
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echo ' The chroot dir consists of the following directories:'
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echo ' <chrootdir>/{root, copy} but only "root" is required'
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echo ' by default. The working copy will be created as needed'
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echo ''
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echo ' The chroot "root" directory must be created via the following'
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echo ' command:'
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echo ' mkchroot <chrootdir>/root base-devel'
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echo ''
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echo " Default makepkg args: ${makepkg_args[*]}"
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echo ''
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echo ' Flags:'
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echo ' -h This help'
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echo ' -c Clean the chroot before building'
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echo ' -u Update the working copy of the chroot before building'
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echo ' This is useful for rebuilds without dirtying the pristine'
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echo ' chroot'
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echo ' -r <dir> The chroot dir to use'
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echo ' -I <pkg> Install a package into the working copy of the chroot'
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echo ' -l <copy> The directory to use as the working copy of the chroot'
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echo ' Useful for maintaining multiple copies'
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echo " Default: $copy"
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echo ' -n Run namcap on the package'
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echo ' -T Build in a temporary directory'
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exit 1
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}
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orig_argv=("$@")
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while getopts 'hcur:I:l:nT' arg; do
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case "$arg" in
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c) clean_first=true ;;
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u) update_first=true ;;
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r) passeddir="$OPTARG" ;;
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I) install_pkgs+=("$OPTARG") ;;
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l) copy="$OPTARG" ;;
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n) run_namcap=true; makepkg_args+=(-i) ;;
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T) temp_chroot=true; copy+="-$$" ;;
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h|*) usage ;;
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esac
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done
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[[ ! -f PKGBUILD && -z "${install_pkgs[*]}" ]] && die 'This must be run in a directory containing a PKGBUILD.'
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check_root "$0" "${orig_argv[@]}"
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# Canonicalize chrootdir, getting rid of trailing /
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chrootdir=$(readlink -e "$passeddir")
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[[ ! -d $chrootdir ]] && die "No chroot dir defined, or invalid path '%s'" "$passeddir"
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[[ ! -d $chrootdir/root ]] && die "Missing chroot dir root directory. Try using: mkchroot %s/root base-devel" "$chrootdir"
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# Detect chrootdir filesystem type
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chroottype=$(stat -f -c %T "$chrootdir")
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if [[ ${copy:0:1} = / ]]; then
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copydir=$copy
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else
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copydir="$chrootdir/$copy"
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fi
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# Pass all arguments after -- right to makepkg
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makepkg_args+=("${@:$OPTIND}")
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# See if -R was passed to makepkg
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for arg in "${@:OPTIND}"; do
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case ${arg%%=*} in
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-*R*|--repackage)
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repack=true
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break 2
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;;
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esac
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done
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load_user_info
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# {{{ functions
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create_chroot() {
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# Lock the chroot we want to use. We'll keep this lock until we exit.
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lock 9 "$copydir.lock" "Locking chroot copy [$copy]"
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if [[ ! -d $copydir ]] || $clean_first; then
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# Get a read lock on the root chroot to make
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# sure we don't clone a half-updated chroot
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slock 8 "$chrootdir/root.lock" "Locking clean chroot"
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stat_busy "Creating clean working copy [$copy]"
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if is_btrfs "$chrootdir" && ! mountpoint -q "$copydir"; then
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subvolume_delete_recursive "$copydir" ||
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die "Unable to delete subvolume %s" "$copydir"
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btrfs subvolume snapshot "$chrootdir/root" "$copydir" >/dev/null ||
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die "Unable to create subvolume %s" "$copydir"
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else
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mkdir -p "$copydir"
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rsync -a --delete -q -W -x "$chrootdir/root/" "$copydir"
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fi
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stat_done
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# Drop the read lock again
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exec 8>&-
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fi
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# Update mtime
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touch "$copydir"
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}
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clean_temporary() {
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stat_busy "Removing temporary copy [$copy]"
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if is_btrfs "$chrootdir" && ! mountpoint -q "$copydir"; then
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btrfs subvolume delete "$copydir" >/dev/null ||
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die "Unable to delete subvolume %s" "$copydir"
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else
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# avoid change of filesystem in case of an umount failure
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rm --recursive --force --one-file-system "$copydir" ||
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die "Unable to delete %s" "$copydir"
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fi
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# remove lock file
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rm -f "$copydir.lock"
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stat_done
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}
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install_packages() {
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local -a pkgnames
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local ret
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pkgnames=("${install_pkgs[@]##*/}")
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cp -- "${install_pkgs[@]}" "$copydir/root/"
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chroot-run "$copydir" \
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pacman -U --noconfirm -- "${pkgnames[@]/#//root/}"
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ret=$?
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rm -- "${pkgnames[@]/#/$copydir/root/}"
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# If there is no PKGBUILD we are done
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[[ -f PKGBUILD ]] || exit $ret
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}
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prepare_chroot() {
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$repack || rm -rf "$copydir/build"
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local builduser_uid="${SUDO_UID:-$UID}"
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local builduser_gid="$(id -g "$builduser_uid")"
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local install="install -o $builduser_uid -g $builduser_gid"
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local x
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# We can't use useradd without chrooting, otherwise it invokes PAM modules
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# which we might not be able to load (i.e. when building i686 packages on
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# an x86_64 host).
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sed -e '/^builduser:/d' -i "$copydir"/etc/{passwd,shadow,group}
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printf >>"$copydir/etc/group" 'builduser:x:%d:\n' $builduser_gid
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printf >>"$copydir/etc/passwd" 'builduser:x:%d:%d:builduser:/build:/bin/bash\n' $builduser_uid $builduser_gid
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printf >>"$copydir/etc/shadow" 'builduser:!!:%d::::::\n' "$(( $(date -u +%s) / 86400 ))"
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$install -d "$copydir"/{build,build/.gnupg,startdir,{pkg,srcpkg,src,log}dest}
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for x in .gnupg/pubring.{kbx,gpg}; do
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[[ -r $USER_HOME/$x ]] || continue
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$install -m 644 "$USER_HOME/$x" "$copydir/build/$x"
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done
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sed -e '/^MAKEFLAGS=/d' -e '/^PACKAGER=/d' -i "$copydir/etc/makepkg.conf"
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for x in BUILDDIR=/build PKGDEST=/pkgdest SRCPKGDEST=/srcpkgdest SRCDEST=/srcdest LOGDEST=/logdest \
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"MAKEFLAGS='$MAKEFLAGS'" "PACKAGER='$PACKAGER'"
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do
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grep -q "^$x" "$copydir/etc/makepkg.conf" && continue
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echo "$x" >>"$copydir/etc/makepkg.conf"
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done
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cat > "$copydir/etc/sudoers.d/builduser-pacman" <<EOF
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builduser ALL = NOPASSWD: /usr/bin/pacman
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EOF
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chmod 440 "$copydir/etc/sudoers.d/builduser-pacman"
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# This is a little gross, but this way the script is recreated every time in the
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# working copy
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{
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printf '#!/bin/bash\n'
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declare -f _chrootbuild
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printf '_chrootbuild'
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printf ' %q' "${makepkg_args[@]}"
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printf ' || exit\n'
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if $run_namcap; then
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declare -f _chrootnamcap
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printf '_chrootnamcap || exit\n'
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fi
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} >"$copydir/chrootbuild"
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chmod +x "$copydir/chrootbuild"
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}
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# These functions aren't run in makechrootpkg,
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# so no global variables
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_chrootbuild() {
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export LC_ALL=en_US.UTF-8
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. /etc/profile
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# export HOME=/build
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# cd /startdir
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# sudo -u builduser makepkg "$@"
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sudo -iu builduser bash -c 'cd /startdir; makepkg "$@"' -bash "$@"
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ret=$?
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case $ret in
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0|14) return 0;;
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*) return $ret;;
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esac
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}
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_chrootnamcap() {
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pacman -S --needed --noconfirm namcap
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for pkgfile in /startdir/PKGBUILD /pkgdest/*; do
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echo "Checking ${pkgfile##*/}"
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sudo -u builduser namcap "$pkgfile" 2>&1 | tee "/logdest/${pkgfile##*/}-namcap.log"
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done
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}
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download_sources() {
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local builddir="$(mktemp -d)"
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chown $SUDO_USER: "$builddir"
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# Ensure sources are downloaded
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if [[ -n $SUDO_USER ]]; then
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sudo -u $SUDO_USER env SRCDEST="$SRCDEST" BUILDDIR="$builddir" \
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makepkg --config="$copydir/etc/makepkg.conf" --verifysource -o
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else
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( export SRCDEST BUILDDIR="$builddir"
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makepkg --asroot --config="$copydir/etc/makepkg.conf" --verifysource -o
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)
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fi
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(( $? != 0 )) && die "Could not download sources."
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# Clean up garbage from verifysource
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rm -rf $builddir
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}
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move_products() {
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for pkgfile in "$copydir"/pkgdest/*; do
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chown "$src_owner" "$pkgfile"
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mv "$pkgfile" "$PKGDEST"
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# Fix broken symlink because of temporary chroot PKGDEST /pkgdest
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if [[ "$PWD" != "$PKGDEST" && -L "$PWD/${pkgfile##*/}" ]]; then
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rm "$PWD/${pkgfile##*/}"
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ln -sf "$PKGDEST/${pkgfile##*/}"
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fi
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done
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for l in "$copydir"/logdest/*; do
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[[ $l == */logpipe.* ]] && continue
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chown "$src_owner" "$l"
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mv "$l" "$LOGDEST"
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done
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for s in "$copydir"/srcpkgdest/*; do
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chown "$src_owner" "$s"
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mv "$s" "$SRCPKGDEST"
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done
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}
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# }}}
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umask 0022
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load_vars "$USER_HOME/.makepkg.conf" || load_vars /etc/makepkg.conf
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# Use PKGBUILD directory if these don't exist
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[[ -d $PKGDEST ]] || PKGDEST=$PWD
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[[ -d $SRCDEST ]] || SRCDEST=$PWD
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[[ -d $SRCPKGDEST ]] || SRCPKGDEST=$PWD
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[[ -d $LOGDEST ]] || LOGDEST=$PWD
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create_chroot
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$update_first && chroot-run \
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-r "${mountargs_ro}" \
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-w "${mountargs_rw}" \
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"$copydir" \
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pacman -Syu --noconfirm
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[[ -n ${install_pkgs[*]} ]] && install_packages
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download_sources
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prepare_chroot
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mountargs_rw="${PWD}:/startdir,${SRCDEST}:/srcdest"
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if chroot-run -r "${mountargs_ro}" \
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-w "${mountargs_rw}" \
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"$copydir" \
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/chrootbuild; then
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move_products
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else
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(( ret += 1 ))
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fi
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$temp_chroot && clean_temporary
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if (( ret != 0 )); then
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if $temp_chroot; then
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die "Build failed"
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else
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die "Build failed, check %s/build" "$copydir"
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fi
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else
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true
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fi
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