forked from mirrored-repos/manjaro-tools
ed8de0f88d
* initial arch backport * fix args * chroot-run: remove commented code mkchrootpkg: update help * lib: nove lock functions to util-msg * mkchrootpkg: fix namcap, should go upstream
403 lines
12 KiB
Bash
403 lines
12 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 ${LIBDIR}/util.sh
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shopt -s nullglob
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init_variables() {
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default_makepkg_args=(-s --noconfirm -L --holdver)
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makepkg_args=("${default_makepkg_args[@]}")
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repack=false
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update_first=false
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clean_first=false
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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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makepkg_user=
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declare -ga install_pkgs
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declare -gi ret=0
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bindmounts_ro=()
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bindmounts_rw=()
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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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}
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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 ' mkarchroot <chrootdir>/root base-devel'
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echo ''
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echo 'This script reads {SRC,SRCPKG,PKG,LOG}DEST, MAKEFLAGS and PACKAGER'
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echo 'from makepkg.conf(5), if those variables are not part of the'
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echo 'environment.'
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echo ''
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echo "Default makepkg args: ${default_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 '-d <dir> Bind directory into build chroot as read-write'
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echo '-D <dir> Bind directory into build chroot as read-only'
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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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echo '-U Run makepkg as a specified user'
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exit 1
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}
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sync_chroot() {
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local chrootdir=$1
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local copy=$2
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local copydir=''
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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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if [[ "$chrootdir/root" -ef "$copydir" ]]; then
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error 'Cannot sync copy with itself: %s' "$copydir"
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return 1
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fi
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# Get a read lock on the root chroot to make
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# sure we don't clone a half-updated chroot
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slock 8 "$chrootdir/root.lock" \
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"Locking clean chroot [%s]" "$chrootdir/root"
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stat_busy "Synchronizing chroot copy [%s] -> [%s]" "$chrootdir/root" "$copydir"
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if is_btrfs "$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/" "$copydir"
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fi
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stat_done
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# Drop the read lock again
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lock_close 8
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# Update mtime
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touch "$copydir"
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}
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# Usage: delete_chroot $copydir [$copy]
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delete_chroot() {
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local copydir=$1
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local copy=${1:-$2}
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stat_busy "Removing chroot copy [%s]" "$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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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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# Usage: install_packages $copydir $pkgs...
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install_packages() {
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local copydir=$1
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local install_pkgs=("${@:2}")
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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[@]}" "$copydir/root/"
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chroot-run -r "${bindmounts_ro[*]}" -w "${bindmounts_rw[*]}" "$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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return $ret
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}
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# Usage: prepare_chroot $copydir $HOME $repack $run_namcap
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# Globals:
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# - MAKEFLAGS
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# - PACKAGER
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prepare_chroot() {
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local copydir=$1
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local USER_HOME=$2
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local repack=$3
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local run_namcap=$4
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$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,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 $builduser_gid
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$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 "$@" || 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 "$copydir/chrootbuild"
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}
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# These functions aren't run in makechrootpkg,
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# so no global variables
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_chrootbuild() {
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. /etc/profile
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sudo -iu builduser bash -c 'cd /startdir; makepkg "$@"' -bash "$@"
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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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# Usage: download_sources $copydir $src_owner
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# Globals:
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# - SRCDEST
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# - USER
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download_sources() {
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local copydir=$1
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local src_owner=$2
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local builddir="$(mktemp -d)"
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chmod 1777 "$builddir"
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# Ensure sources are downloaded
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makepkg_user=${makepkg_user:-$SUDO_USER}
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if [[ -n $makepkg_user ]]; then
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sudo -u "$makepkg_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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error "Running makepkg as root is not allowed."
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exit 1
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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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# Usage: move_products $copydir $owner
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# Globals:
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# - PKGDEST
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# - LOGDEST
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move_products() {
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local copydir=$1
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local src_owner=$2
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local pkgfile
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for pkgfile in "$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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ln -sf "$PKGDEST/${pkgfile##*/}"
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fi
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done
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local l
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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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orig_argv=("$0" "$@")
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main() {
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init_variables
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local opts='hcur:I:l:nTD:d:U:'
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while getopts ${opts} arg; do
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case "$arg" in
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c) clean_first=true ;;
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D) bindmounts_ro+=("$OPTARG") ;;
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d) bindmounts_rw+=("$OPTARG") ;;
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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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U) makepkg_user="$OPTARG" ;;
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h|*) usage ;;
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esac
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done
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[[ ! -f PKGBUILD && -z "${install_pkgs[*]}" ]] && die 'This must be run in a directory containing a PKGBUILD.'
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[[ -n $makepkg_user && -z $(id -u "$makepkg_user") ]] && die 'Invalid makepkg user.'
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check_root
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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 $chrootdir/root ]] && die "Missing chroot dir root directory. Try using: mkarchroot %s/root base-devel" "$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 ${arg%%=*} in
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-*R*|--repackage)
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repack=true
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break 2
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;;
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esac
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done
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load_user_info
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umask 0022
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load_vars "${XDG_CONFIG_HOME:-$USER_HOME/.config}/pacman/makepkg.conf" || load_vars "$USER_HOME/.makepkg.conf"
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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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# Lock the chroot we want to use. We'll keep this lock until we exit.
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lock 9 "$copydir.lock" "Locking chroot copy [%s]" "$copy"
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if [[ ! -d $copydir ]] || $clean_first; then
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sync_chroot "$chrootdir" "$copy"
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fi
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$update_first && chroot-run -r "${bindmounts_ro[*]}" -w "${bindmounts_rw[*]}" "$copydir" \
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pacman -Syu --noconfirm
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if [[ -n ${install_pkgs[*]:-} ]]; then
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install_packages "$copydir" "${install_pkgs[@]}"
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ret=$?
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# If there is no PKGBUILD we have done
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[[ -f PKGBUILD ]] || return $ret
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fi
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download_sources "$copydir" "$src_owner"
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prepare_chroot "$copydir" "$USER_HOME" "$repack" "$run_namcap"
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bindmounts_rw+=("${PWD}:/startdir" "${SRCDEST}:/srcdest")
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if chroot-run -r "${bindmounts_ro[*]}" -w "${bindmounts_rw[*]}" "$copydir" \
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/chrootbuild "${makepkg_args[@]}"; then
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move_products "$copydir" "$src_owner"
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else
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(( ret += 1 ))
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fi
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$temp_chroot && delete_chroot "$copydir" "$copy"
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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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}
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main "$@"
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