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#!/bin/bash
# Contains code derived from devtools' "makechrootpkg"
# Copyright 2011-2012 The Arch Linux Development Team
# Copyright 2012 Luke Shumaker
#
# 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.
chroot_init() {
# make sure the chroot exists
librechroot -n "$CHROOT" -l "$CHROOTCOPY" -m
if [[ -r "$LIBREHOME/.gnupg/pubring.gpg" ]]; then
install -D "$HOME/.gnupg/pubring.gpg" "$copydir/build/.gnupg/pubring.gpg"
fi
mkdir -p "$copydir/pkgdest"
mkdir -p "$copydir/srcdest"
mkdir -p "$copydir/build"
MAKEPKG_CONF=$copydir/etc/makepkg.conf set_conf_makepkg PKGDEST /pkgdest
MAKEPKG_CONF=$copydir/etc/makepkg.conf set_conf_makepkg SRCDEST /srcdest
cat > "$copydir/etc/sudoers.d/nobody-pacman" <<EOF
Defaults env_keep += "HOME"
nobody ALL = NOPASSWD: /usr/bin/pacman
EOF
chmod 440 "$copydir/etc/sudoers.d/nobody-pacman"
}
chroot_extract() {
if $NOCHROOT; then
chcleanup
sudo -u ${LIBREUSER} ${MAKEPKG} ${makepkg_args} -o
return
fi
rm -rf "$copydir"/build/*
cp PKGBUILD "$copydir/build/"
(
set +euE
source PKGBUILD
# Copy source files
for file in "${source[@]}"; do
file="${file%%::*}"
file="${file##*://*/}"
if [[ -f $file ]]; then
cp "$file" "$copydir/srcdest/"
elif [[ -f $SRCDEST/$file ]]; then
cp "$SRCDEST/$file" "$copydir/srcdest/"
fi
done
# Find all changelog and install files, even inside functions
for i in 'changelog' 'install'; do
while read -r file; do
# evaluate any bash variables used
eval file=\"$(sed 's/^\(['\''"]\)\(.*\)\1$/\2/' <<< "$file")\"
if [[ -f $file ]]; then
cp "$file" "$copydir/build/"
fi
done < <(sed -n "s/^[[:space:]]*$i=//p" PKGBUILD)
done
)
chown -R nobody "$copydir"/{build,pkgdest,srcdest}
cp -a "$(which chcleanup)" "${copydir}/clean"
chroot_exec "/clean && sudo -u nobody ${MAKEPKG} ${makepkg_args} -o"
}
chroot_build() {
local user=$LIBREUSER
$NOCHROOT || user=nobody
chroot_exec -N "sudo -u ${user} ${MAKEPKG} ${makepkg_args} -e"
}
chroot_exec() {
local flags=''
[[ $1 == -N ]] && { flags=$1; shift; }
local cmd="$*"
if $NOCHROOT; then
${cmd}
else
cat >"$copydir/chrootexec" <<EOF
#!/bin/bash
. /etc/profile
export HOME=/build
cd /build
${cmd}
EOF
chmod 755 "$copydir/chrootexec"
librechroot $flags -n "$CHROOT" -l "$CHROOTCOPY" -r /chrootexec
fi
}
copy_pkgs() {
for pkgfile in "$copydir"/pkgdest/*.pkg.tar*; do
mkdir -p "$copydir/repo"
pushd "$copydir/repo" >/dev/null
cp "$pkgfile" .
repo-add repo.db.tar.gz "${pkgfile##*/}"
popd >/dev/null
chown "$LIBREUSER" "$pkgfile"
mv "$pkgfile" "$PKGDEST"
if [[ $PKGDEST != . ]]; then
ln -s "$PKGDEST/${pkgfile##*/}" .
fi
done
}
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