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#!/hint/bash -euE -o pipefail
# Copyright (C) 2013, 2017-2018 Luke Shumaker <lukeshu@parabola.nu>
#
# License: GNU GPLv2+
#
# This file is part of Parabola.
#
# Parabola 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, either version 2 of the License, or
# (at your option) any later version.
#
# Parabola 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.
#
# You should have received a copy of the GNU General Public License
# along with Parabola. If not, see <http://www.gnu.org/licenses/>.
hook_pre_build+=("distcc_start_odaemon")
hook_post_build+=("distcc_stop_odaemon")
_distcc_check() {
local copydir=$1
local home=$2
local files=(
# From previous versions
"$home/.makepkg.conf"
"$copydir/run/distcc-tool.pid"
"$copydir/run/distcc-tool-idaemon.pid"
# From this version
"$copydir/bin/distcc-tool"
"$copydir/run/distcc-tool-odaemon.pid"
"$home/.config/pacman/makepkg.conf"
"$home/.ssh/config"
)
local file file_err=false
for file in "${files[@]}"; do
if [[ -f $file ]]; then
file_err=true
error "Auto-generated file already exists, remove it: %s" "$file"
fi
done
if $file_err; then
exit 1
fi
}
distcc_start_odaemon() {
local copydir=$1
# Because /{,usr/}{,s}bin are all symlinked together for
# fileystem 2013.05-2 and up, I can take shortcuts when checking for
# existance of programs.
if $NONET && [[ -f "$copydir/bin/socat" && -f "$copydir/bin/distcc" ]]; then
local home
if $INCHROOT; then
home=$LIBREHOME
else
home="$copydir/build"
fi
_distcc_check "$copydir" "$home"
local _distcc_tool; _distcc_tool="$(librelib chroot/distcc-tool)"
install -m755 "$_distcc_tool" "$copydir/bin/distcc-tool"
local DISTCC_HOSTS
DISTCC_HOSTS="$(get_var makepkg DISTCC_HOSTS '')"
local rewritten_DISTCC_HOSTS
rewritten_DISTCC_HOSTS=$("$_distcc_tool" rewrite "${DISTCC_HOSTS:-}")
install -Dm644 /dev/stdin "$home/.config/pacman/makepkg.conf" <<-eot
trap 'jobs -p | xargs -r kill --' EXIT
/bin/distcc-tool idaemon ${DISTCC_HOSTS@Q} </dev/null &>/dev/null &
DISTCC_HOSTS=${rewritten_DISTCC_HOSTS@Q}
eot
install -Dm644 /dev/stdin "$home/.ssh/config" <<-'eot'
Host *
ProxyCommand /bin/distcc-tool client %h %p
eot
"$_distcc_tool" odaemon "$copydir" </dev/null &>/dev/null &
echo $! > "$copydir/run/distcc-tool-odaemon.pid"
fi
}
distcc_stop_odaemon() {
local copydir=$1
local home
if $INCHROOT; then
home=$LIBREHOME
else
home="$copydir/build"
fi
if [[ -f "$copydir/run/distcc-tool-odaemon.pid" ]]; then
local odaemon
odaemon=$(< "$copydir/run/distcc-tool-odaemon.pid")
kill -- "$odaemon"
rm -f -- \
"$home/.config/pacman/makepkg.conf" \
"$home/.ssh/config" \
"$copydir/bin/distcc-tool" \
"$copydir/run/distcc-tool-odaemon.pid"
fi
}
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