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201 lines
4.9 KiB
201 lines
4.9 KiB
#!/bin/bash
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# symbol prefixes:
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# g_ -> global
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# l_ - local variable
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# f_ -> function
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set -euo pipefail
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GITIAN_CACHE_DIRNAME='.gitian-builder-cache'
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GO_RELEASE='1.13.3'
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GO_TARBALL="go${GO_RELEASE}.linux-amd64.tar.gz"
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GO_TARBALL_URL="https://dl.google.com/go/${GO_TARBALL}"
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# Defaults
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DEFAULT_SIGN_COMMAND='gpg --detach-sign'
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DEFAULT_TENDERMINT_SIGS=${TENDERMINT_SIGS:-'tendermint.sigs'}
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DEFAULT_GITIAN_REPO='https://github.com/tendermint/gitian-builder'
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DEFAULT_GBUILD_FLAGS=''
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DEFAULT_SIGS_REPO='https://github.com/tendermint/tendermint.sigs'
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# Overrides
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SIGN_COMMAND=${SIGN_COMMAND:-${DEFAULT_SIGN_COMMAND}}
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GITIAN_REPO=${GITIAN_REPO:-${DEFAULT_GITIAN_REPO}}
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GBUILD_FLAGS=${GBUILD_FLAGS:-${DEFAULT_GBUILD_FLAGS}}
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# Globals
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g_workdir=''
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g_gitian_cache=''
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g_cached_gitian=''
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g_cached_go_tarball=''
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g_sign_identity=''
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g_sigs_dir=''
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g_flag_commit=''
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f_help() {
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cat >&2 <<EOF
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Usage: $(basename $0) [-h] PLATFORM
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Launch a gitian build from the current source directory for the given PLATFORM.
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The following platforms are supported:
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darwin
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linux
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windows
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all
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Options:
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-h display this help and exit
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-c clone the signatures repository and commit signatures;
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ignored if sign identity is not supplied
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-s IDENTITY sign build as IDENTITY
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If a GPG identity is supplied via the -s flag, the build will be signed and verified.
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The signature will be saved in '${DEFAULT_TENDERMINT_SIGS}/'. An alternative output directory
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for signatures can be supplied via the environment variable \$TENDERMINT_SIGS.
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The default signing command used to sign the build is '$DEFAULT_SIGN_COMMAND'.
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An alternative signing command can be supplied via the environment
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variable \$SIGN_COMMAND.
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EOF
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}
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f_builddir() {
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printf '%s' "${g_workdir}/gitian-build-$1"
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}
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f_prep_build() {
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local l_platforms \
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l_os \
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l_builddir
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l_platforms="$1"
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if [ -n "${g_flag_commit}" -a ! -d "${g_sigs_dir}" ]; then
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git clone ${DEFAULT_SIGS_REPO} "${g_sigs_dir}"
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fi
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for l_os in ${l_platforms}; do
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l_builddir="$(f_builddir ${l_os})"
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f_echo_stderr "Preparing build directory $(basename ${l_builddir}), restoring files from cache"
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cp -ar "${g_cached_gitian}" "${l_builddir}" >&2
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mkdir "${l_builddir}/inputs/"
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cp -v "${g_cached_go_tarball}" "${l_builddir}/inputs/"
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done
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}
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f_build() {
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local l_descriptor
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l_descriptor=$1
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bin/gbuild --commit tendermint="$g_commit" ${GBUILD_FLAGS} "$l_descriptor"
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libexec/stop-target || f_echo_stderr "warning: couldn't stop target"
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}
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f_sign_verify() {
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local l_descriptor
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l_descriptor=$1
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bin/gsign -p "${SIGN_COMMAND}" -s "${g_sign_identity}" --destination="${g_sigs_dir}" --release=${g_release} ${l_descriptor}
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bin/gverify --destination="${g_sigs_dir}" --release="${g_release}" ${l_descriptor}
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}
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f_commit_sig() {
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local l_release_name
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l_release_name=$1
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pushd "${g_sigs_dir}"
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git add . || echo "git add failed" >&2
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git commit -m "Add ${l_release_name} reproducible build" || echo "git commit failed" >&2
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popd
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}
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f_prep_docker_image() {
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pushd $1
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bin/make-base-vm --docker --suite bionic --arch amd64
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popd
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}
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f_ensure_cache() {
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g_gitian_cache="${g_workdir}/${GITIAN_CACHE_DIRNAME}"
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[ -d "${g_gitian_cache}" ] || mkdir "${g_gitian_cache}"
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g_cached_go_tarball="${g_gitian_cache}/${GO_TARBALL}"
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if [ ! -f "${g_cached_go_tarball}" ]; then
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f_echo_stderr "${g_cached_go_tarball}: cache miss, caching..."
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curl -L "${GO_TARBALL_URL}" --output "${g_cached_go_tarball}"
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fi
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g_cached_gitian="${g_gitian_cache}/gitian-builder"
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if [ ! -d "${g_cached_gitian}" ]; then
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f_echo_stderr "${g_cached_gitian}: cache miss, caching..."
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git clone ${GITIAN_REPO} "${g_cached_gitian}"
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fi
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}
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f_demangle_platforms() {
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case "${1}" in
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all)
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printf '%s' 'darwin linux windows' ;;
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linux|darwin|windows)
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printf '%s' "${1}" ;;
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*)
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echo "invalid platform -- ${1}"
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exit 1
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esac
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}
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f_echo_stderr() {
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echo $@ >&2
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}
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while getopts ":cs:h" opt; do
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case "${opt}" in
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h) f_help ; exit 0 ;;
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c) g_flag_commit=y ;;
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s) g_sign_identity="${OPTARG}" ;;
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esac
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done
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shift "$((OPTIND-1))"
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g_platforms=$(f_demangle_platforms "${1}")
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g_workdir="$(pwd)"
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g_commit="$(git rev-parse HEAD)"
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g_sigs_dir=${TENDERMINT_SIGS:-"${g_workdir}/${DEFAULT_TENDERMINT_SIGS}"}
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f_ensure_cache
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f_prep_docker_image "${g_cached_gitian}"
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f_prep_build "${g_platforms}"
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export USE_DOCKER=1
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for g_os in ${g_platforms}; do
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g_release="$(git describe --tags --abbrev=9 | sed 's/^v//')-${g_os}"
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g_descriptor="${g_workdir}/scripts/gitian-descriptors/gitian-${g_os}.yml"
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[ -f ${g_descriptor} ]
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g_builddir="$(f_builddir ${g_os})"
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pushd "${g_builddir}"
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f_build "${g_descriptor}"
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if [ -n "${g_sign_identity}" ]; then
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f_sign_verify "${g_descriptor}"
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fi
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popd
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if [ -n "${g_sign_identity}" -a -n "${g_flag_commit}" ]; then
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[ -d "${g_sigs_dir}/.git/" ] && f_commit_sig ${g_release} || f_echo_stderr "couldn't commit, ${g_sigs_dir} is not a git clone"
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fi
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done
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exit 0
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