manjaro-tools/bin/mkchrootpkg.in
Ramon Buldó 16b86166d6 fix handling of public keyring
Chances are that pubring.kbx has been created by gpgsm but pubring.gpg
is still around with valid data. We do not know what file contains what
we need, so just copy both.
https://projects.archlinux.org/devtools.git/commit/?id=49ad7e6dbe5be1d7eac9108073a2a09c81dc2aa2
2015-05-14 11:10:38 +02:00

399 lines
11 KiB
Bash

#!/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.
version=@version@
[[ -r @libdir@/util-msg.sh ]] && source @libdir@/util-msg.sh
[[ -r @libdir@/util.sh ]] && source @libdir@/util.sh
shopt -s nullglob
makepkg_args=(-s --noconfirm -L --holdver)
repack=false
update_first=false
clean_first=false
install_pkg=
run_namcap=false
temp_chroot=false
chrootdir=
passeddir=
declare -a install_pkgs
declare -i ret=0
copy=$USER
[[ -n $SUDO_USER ]] && copy=$SUDO_USER
[[ -z "$copy" || $copy = root ]] && copy=copy
src_owner=${SUDO_USER:-$USER}
usage() {
echo "Usage: ${0##*/} [options] -r <chrootdir> [--] [makepkg args]"
echo ' Run this script in a PKGBUILD dir to build a package inside a'
echo ' clean chroot. Arguments passed to this script after the'
echo ' end-of-options marker (--) will be passed to makepkg.'
echo ''
echo ' The chroot dir consists of the following directories:'
echo ' <chrootdir>/{root, copy} but only "root" is required'
echo ' by default. The working copy will be created as needed'
echo ''
echo ' The chroot "root" directory must be created via the following'
echo ' command:'
echo ' mkchroot <chrootdir>/root base-devel'
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 working copy of the chroot before building'
echo ' This is useful for rebuilds without dirtying the pristine'
echo ' chroot'
echo ' -r <dir> The chroot dir to use'
echo ' -I <pkg> Install a package into the working copy of the chroot'
echo ' -l <copy> The directory to use as the working copy of the chroot'
echo ' Useful for maintaining multiple copies'
echo " Default: $copy"
echo ' -n Run namcap on the package'
echo ' -T Build in a temporary directory'
exit 1
}
orig_argv=("$@")
while getopts 'hcur:I:l:nT' arg; do
case "$arg" in
c) clean_first=true ;;
u) update_first=true ;;
r) passeddir="$OPTARG" ;;
I) install_pkgs+=("$OPTARG") ;;
l) copy="$OPTARG" ;;
n) run_namcap=true; makepkg_args+=(-i) ;;
T) temp_chroot=true; copy+="-$$" ;;
h|*) usage ;;
esac
done
[[ ! -f PKGBUILD && -z "${install_pkgs[*]}" ]] && die 'This must be run in a directory containing a PKGBUILD.'
check_root "$0" "${orig_argv[@]}"
# Canonicalize chrootdir, getting rid of trailing /
chrootdir=$(readlink -e "$passeddir")
[[ ! -d $chrootdir ]] && die "No chroot dir defined, or invalid path '%s'" "$passeddir"
[[ ! -d $chrootdir/root ]] && die "Missing chroot dir root directory. Try using: mkchroot %s/root base-devel" "$chrootdir"
# Detect chrootdir filesystem type
chroottype=$(stat -f -c %T "$chrootdir")
if [[ ${copy:0:1} = / ]]; then
copydir=$copy
else
copydir="$chrootdir/$copy"
fi
# Pass all arguments after -- right to makepkg
makepkg_args+=("${@:$OPTIND}")
# See if -R was passed to makepkg
for arg in "${@:OPTIND}"; do
case ${arg%%=*} in
-*R*|--repackage)
repack=true
break 2
;;
esac
done
load_user_info
# {{{ functions
create_chroot() {
# Lock the chroot we want to use. We'll keep this lock until we exit.
lock 9 "$copydir.lock" "Locking chroot copy [$copy]"
if [[ ! -d $copydir ]] || $clean_first; then
# Get a read lock on the root chroot to make
# sure we don't clone a half-updated chroot
slock 8 "$chrootdir/root.lock" "Locking clean chroot"
stat_busy "Creating clean working copy [$copy]"
if [[ "$chroottype" == btrfs ]] && ! mountpoint -q "$copydir"; then
if [[ -d $copydir ]]; then
btrfs subvolume delete "$copydir" >/dev/null ||
die "Unable to delete subvolume %s" "$copydir"
fi
btrfs subvolume snapshot "$chrootdir/root" "$copydir" >/dev/null ||
die "Unable to create subvolume %s" "$copydir"
else
mkdir -p "$copydir"
rsync -a --delete -q -W -x "$chrootdir/root/" "$copydir"
fi
stat_done
# Drop the read lock again
exec 8>&-
fi
# Update mtime
touch "$copydir"
}
clean_temporary() {
stat_busy "Removing temporary copy [$copy]"
if [[ "$chroottype" == btrfs ]] && ! mountpoint -q "$copydir"; then
btrfs subvolume delete "$copydir" >/dev/null ||
die "Unable to delete subvolume %s" "$copydir"
else
# avoid change of filesystem in case of an umount failure
rm --recursive --force --one-file-system "$copydir" ||
die "Unable to delete %s" "$copydir"
fi
# remove lock file
rm -f "$copydir.lock"
stat_done
}
install_packages() {
local pkgname
for install_pkg in "${install_pkgs[@]}"; do
pkgname="${install_pkg##*/}"
cp "$install_pkg" "$copydir/$pkgname"
chroot-run "$copydir" \
pacman -U /$pkgname --noconfirm
(( ret += !! $? ))
rm "$copydir/$pkgname"
done
# If there is no PKGBUILD we are done
[[ -f PKGBUILD ]] || exit $ret
}
prepare_chroot() {
$repack || rm -rf "$copydir/build"
mkdir -p "$copydir/build"
if ! grep -q 'BUILDDIR="/build"' "$copydir/etc/makepkg.conf"; then
echo 'BUILDDIR="/build"' >> "$copydir/etc/makepkg.conf"
fi
# Read .makepkg.conf and .gnupg/pubring.gpg even if called via sudo
# if [[ -r "$USER_HOME/.gnupg/pubring.gpg" ]]; then
# install -D "$USER_HOME/.gnupg/pubring.gpg" \
# "$copydir/build/.gnupg/pubring.gpg"
# fi
if [[ -r $USER_HOME/.gnupg/pubring.kbx ]]; then
install -D "$USER_HOME/.gnupg/pubring.kbx" "$copydir/build/.gnupg/pubring.kbx"
fi
if [[ -r $USER_HOME/.gnupg/pubring.gpg ]]; then
install -D "$USER_HOME/.gnupg/pubring.gpg" "$copydir/build/.gnupg/pubring.gpg"
fi
mkdir -p "$copydir/pkgdest"
if ! grep -q 'PKGDEST="/pkgdest"' "$copydir/etc/makepkg.conf"; then
echo 'PKGDEST="/pkgdest"' >> "$copydir/etc/makepkg.conf"
fi
mkdir -p "$copydir/srcpkgdest"
if ! grep -q 'SRCPKGDEST="/srcpkgdest"' "$copydir/etc/makepkg.conf"; then
echo 'SRCPKGDEST="/srcpkgdest"' >> "$copydir/etc/makepkg.conf"
fi
mkdir -p "$copydir/logdest"
if ! grep -q 'LOGDEST="/logdest"' "$copydir/etc/makepkg.conf"; then
echo 'LOGDEST="/logdest"' >> "$copydir/etc/makepkg.conf"
fi
# These two get bind-mounted read-only
# XXX: makepkg dislikes having these dirs read-only, so separate them
mkdir -p "$copydir/startdir" "$copydir/startdir_host"
mkdir -p "$copydir/srcdest" "$copydir/srcdest_host"
if ! grep -q 'SRCDEST="/srcdest"' "$copydir/etc/makepkg.conf"; then
echo 'SRCDEST="/srcdest"' >> "$copydir/etc/makepkg.conf"
fi
builduser_uid=${SUDO_UID:-$UID}
# We can't use useradd without chrooting, otherwise it invokes PAM modules
# which we might not be able to load (i.e. when building i686 packages on
# an x86_64 host).
printf 'builduser:x:%d:100:builduser:/:/usr/bin/nologin\n' "$builduser_uid" >>"$copydir/etc/passwd"
chown -R "$builduser_uid" "$copydir"/{build,pkgdest,srcpkgdest,logdest,srcdest,startdir}
if [[ -n $MAKEFLAGS ]]; then
sed -i '/^MAKEFLAGS=/d' "$copydir/etc/makepkg.conf"
echo "MAKEFLAGS='${MAKEFLAGS}'" >> "$copydir/etc/makepkg.conf"
fi
if [[ -n $PACKAGER ]]; then
sed -i '/^PACKAGER=/d' "$copydir/etc/makepkg.conf"
echo "PACKAGER='${PACKAGER}'" >> "$copydir/etc/makepkg.conf"
fi
if [[ ! -f $copydir/etc/sudoers.d/builduser-pacman ]]; then
cat > "$copydir/etc/sudoers.d/builduser-pacman" <<EOF
Defaults env_keep += "HOME"
builduser ALL = NOPASSWD: /usr/bin/pacman
EOF
chmod 440 "$copydir/etc/sudoers.d/builduser-pacman"
fi
# This is a little gross, but this way the script is recreated every time in the
# working copy
{
printf '#!/bin/bash\n'
declare -f _chrootbuild
printf '_chrootbuild'
printf ' %q' "${makepkg_args[@]}"
printf ' || exit\n'
if $run_namcap; then
cat <<'EOF'
pacman -S --needed --noconfirm namcap
for pkgfile in /startdir/PKGBUILD /pkgdest/*; do
echo "Checking ${pkgfile##*/}"
sudo -u builduser namcap "$pkgfile" 2>&1 | tee "/logdest/${pkgfile##*/}-namcap.log"
done
EOF
fi
} >"$copydir/chrootbuild"
chmod +x "$copydir/chrootbuild"
}
download_sources() {
local builddir="$(mktemp -d)"
chmod 1777 "$builddir"
# Ensure sources are downloaded
if [[ -n $SUDO_USER ]]; then
sudo -u $SUDO_USER env SRCDEST="$SRCDEST" BUILDDIR="$builddir" \
makepkg --config="$copydir/etc/makepkg.conf" --verifysource -o
else
( export SRCDEST BUILDDIR="$builddir"
makepkg --asroot --config="$copydir/etc/makepkg.conf" --verifysource -o
)
fi
(( $? != 0 )) && die "Could not download sources."
# Clean up garbage from verifysource
rm -rf $builddir
}
_chrootbuild() {
# This function isn't run in makechrootpkg,
# so no global variables
. /etc/profile
export HOME=/build
shopt -s nullglob
# XXX: Workaround makepkg disliking read-only dirs
ln -sft /srcdest /srcdest_host/*
ln -sft /startdir /startdir_host/*
# XXX: Keep bzr and svn sources writable
# Since makepkg 4.1.1 they get checked out via cp -a, copying the symlink
for dir in /srcdest /startdir; do
for vcs in bzr svn; do
cd "$dir"
for vcsdir in */.$vcs; do
rm "${vcsdir%/.$vcs}"
cp -a "${dir}_host/${vcsdir%/.$vcs}" .
chown -R builduser "${vcsdir%/.$vcs}"
done
done
done
cd /startdir
# XXX: Keep PKGBUILD writable for pkgver()
rm PKGBUILD*
cp /startdir_host/PKGBUILD* .
chown builduser PKGBUILD*
# Safety check
if [[ ! -w PKGBUILD ]]; then
echo "Can't write to PKGBUILD!"
exit 1
fi
sudo -u builduser makepkg "$@"
}
move_products() {
for pkgfile in "$copydir"/pkgdest/*; do
chown "$src_owner" "$pkgfile"
mv "$pkgfile" "$PKGDEST"
done
for l in "$copydir"/logdest/*; do
[[ $l == */logpipe.* ]] && continue
chown "$src_owner" "$l"
mv "$l" "$LOGDEST"
done
for s in "$copydir"/srcpkgdest/*; do
chown "$src_owner" "$s"
mv "$s" "$SRCPKGDEST"
done
}
# }}}
umask 0022
load_vars "$USER_HOME/.makepkg.conf"
load_vars /etc/makepkg.conf
# Use PKGBUILD directory if these don't exist
[[ -d $PKGDEST ]] || PKGDEST=$PWD
[[ -d $SRCDEST ]] || SRCDEST=$PWD
[[ -d $SRCPKGDEST ]] || SRCPKGDEST=$PWD
[[ -d $LOGDEST ]] || LOGDEST=$PWD
create_chroot
$update_first && chroot-run \
-r "${mountargs_ro}" \
-w "${mountargs_rw}" \
"$copydir" \
pacman -Syu --noconfirm
[[ -n ${install_pkgs[*]} ]] && install_packages
prepare_chroot
download_sources
mountargs_ro="${PWD}:/startdir_host,${SRCDEST}:/srcdest_host"
if chroot-run -r "${mountargs_ro}" \
-w "${mountargs_rw}" \
"$copydir" \
/chrootbuild; then
move_products
else
(( ret += 1 ))
fi
$temp_chroot && clean_temporary
if (( ret != 0 )); then
if $temp_chroot; then
die "Build failed"
else
die "Build failed, check %s/build" "$copydir"
fi
else
true
fi