#!/bin/bash # # offload-build - build a PKGBUILD on a remote server using makechrootpkg. # # Copyright (c) 2019 by Eli Schwartz <eschwartz@archlinux.org> # # SPDX-License-Identifier: GPL-3.0-or-later source /usr/share/makepkg/util/config.sh # global defaults suitable for use by Arch staff repo=extra arch=x86_64 server=build.archlinux.org die() { printf "error: $1\n" "${@:2}"; exit 1; } usage() { cat <<- _EOF_ Usage: ${BASH_SOURCE[0]##*/} [--repo REPO] [--arch ARCHITECTURE] [--server SERVER] -- [ARCHBUILD_ARGS] Build a PKGBUILD on a remote server using makechrootpkg. Requires a remote user that can run archbuild without password auth. Options passed after a -- are passed on to archbuild, and eventually to makechrootpkg. OPTIONS -r, --repo Build against a specific repository (current: $repo) -a, --arch Build against a specific architecture (current: $arch) -s, --server Offload to a specific build server (current: $server) -h, --help Show this help text _EOF_ } # option checking while (( $# )); do case $1 in -h|--help) usage exit 0 ;; -r|--repo) repo=$2 shift 2 ;; -a|--arch) arch=$2 shift 2 ;; -s|--server) server=$2 shift 2 ;; --) shift break ;; *) die "invalid argument: %s" "$1" ;; esac done # multilib must be handled specially archbuild_arch="${arch}" if [[ $repo = multilib* ]]; then archbuild_arch= fi archbuild_cmd=("${repo}${archbuild_arch:+-$archbuild_arch}-build" "$@") trap 'rm -rf $TEMPDIR' EXIT INT TERM QUIT # Load makepkg.conf variables to be available load_makepkg_config # Use a source-only tarball as an intermediate to transfer files. This # guarantees the checksums are okay, and guarantees that all needed files are # transferred, including local sources, install scripts, and changelogs. export TEMPDIR=$(mktemp -d --tmpdir offload-build.XXXXXXXXXX) export SRCPKGDEST=${TEMPDIR} makepkg --source || die "unable to make source package" # Temporary cosmetic workaround makepkg if SRCDEST is set somewhere else # but an empty src dir is created in PWD. Remove once fixed in makepkg. rmdir --ignore-fail-on-non-empty src 2>/dev/null || true mapfile -t files < <( # This is sort of bash golfing but it allows running a mildly complex # command over ssh with a single connection. # shellcheck disable=SC2145 cat "$SRCPKGDEST"/*"$SRCEXT" | ssh $server ' temp="${XDG_CACHE_HOME:-$HOME/.cache}/offload-build" && mkdir -p "$temp" && temp=$(mktemp -d -p "$temp") && cd "$temp" && { bsdtar --strip-components 1 -xvf - && script -qefc "'"${archbuild_cmd[@]@Q}"'" /dev/null && printf "%s\n" "" "-> build complete" && printf "\t%s\n" "$temp"/* } >&2 && makepkg_user_config="${XDG_CONFIG_HOME:-$HOME/.config}/pacman/makepkg.conf" && makepkg_config="/usr/share/devtools/makepkg.conf.d/'"${arch}"'.conf" && if [[ -f /usr/share/devtools/makepkg.conf.d/'"${repo}"'-'"${arch}"'.conf ]]; then makepkg_config="/usr/share/devtools/makepkg.conf.d/'"${repo}"'-'"${arch}"'.conf" fi && makepkg --config <(cat "${makepkg_user_config}" "${makepkg_config}" 2>/dev/null) --packagelist && printf "%s\n" "${temp}/PKGBUILD" ') if (( ${#files[@]} )); then printf '%s\n' '' '-> copying files...' scp "${files[@]/#/$server:}" "${TEMPDIR}/" mv "${TEMPDIR}"/*.pkg.tar* "${PKGDEST:-${PWD}}/" mv "${TEMPDIR}/PKGBUILD" "${PWD}/" else exit 1 fi