lnd.xprv/scripts/release.sh
2020-11-19 12:35:58 +01:00

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#!/bin/bash
# Simple bash script to build basic lnd tools for all the platforms
# we support with the golang cross-compiler.
#
# Copyright (c) 2016 Company 0, LLC.
# Use of this source code is governed by the ISC
# license.
set -e
LND_VERSION_REGEX="lnd version (.+) commit"
PKG="github.com/lightningnetwork/lnd"
PACKAGE=lnd
# green prints one line of green text (if the terminal supports it).
function green() {
echo -e "\e[0;32m${1}\e[0m"
}
# red prints one line of red text (if the terminal supports it).
function red() {
echo -e "\e[0;31m${1}\e[0m"
}
# check_tag_correct makes sure the given git tag is checked out and the git tree
# is not dirty.
# arguments: <version-tag>
function check_tag_correct() {
local tag=$1
# For automated builds we can skip this check as they will only be triggered
# on tags.
if [[ "$SKIP_VERSION_CHECK" -eq "1" ]]; then
green "skipping version check, assuming automated build"
exit 0
fi
# If a tag is specified, ensure that that tag is present and checked out.
if [[ $tag != $(git describe) ]]; then
red "tag $tag not checked out"
exit 1
fi
# Build lnd to extract version.
go build ${PKG}/cmd/lnd
# Extract version command output.
lnd_version_output=$(./lnd --version)
# Use a regex to isolate the version string.
if [[ $lnd_version_output =~ $LND_VERSION_REGEX ]]; then
# Prepend 'v' to match git tag naming scheme.
lnd_version="v${BASH_REMATCH[1]}"
green "version: $lnd_version"
# If tag contains a release candidate suffix, append this suffix to the
# lnd reported version before we compare.
RC_REGEX="-rc[0-9]+$"
if [[ $tag =~ $RC_REGEX ]]; then
lnd_version+=${BASH_REMATCH[0]}
fi
# Match git tag with lnd version.
if [[ $tag != "${lnd_version}" ]]; then
red "lnd version $lnd_version does not match tag $tag"
exit 1
fi
else
red "malformed lnd version output"
exit 1
fi
}
# build_release builds the actual release binaries.
# arguments: <version-tag> <build-system(s)> <build-tags> <ldflags>
function build_release() {
local tag=$1
local sys=$2
local buildtags=$3
local ldflags=$4
green " - Packaging vendor"
go mod vendor
tar -czf vendor.tar.gz vendor
maindir=$PACKAGE-$tag
mkdir -p $maindir
cp vendor.tar.gz $maindir/
rm vendor.tar.gz
rm -r vendor
package_source="${maindir}/${PACKAGE}-source-${tag}.tar"
git archive -o "${package_source}" HEAD
gzip -f "${package_source}" >"${package_source}.gz"
cd "${maindir}"
for i in $sys; do
os=$(echo $i | cut -f1 -d-)
arch=$(echo $i | cut -f2 -d-)
arm=
if [[ $arch == "armv6" ]]; then
arch=arm
arm=6
elif [[ $arch == "armv7" ]]; then
arch=arm
arm=7
fi
dir="${PACKAGE}-${i}-${tag}"
mkdir "${dir}"
pushd "${dir}"
green " - Building: ${os} ${arch} ${arm} with build tags '${buildtags}'"
env CGO_ENABLED=0 GOOS=$os GOARCH=$arch GOARM=$arm go build -v -trimpath -ldflags="${ldflags}" -tags="${buildtags}" ${PKG}/cmd/lnd
env CGO_ENABLED=0 GOOS=$os GOARCH=$arch GOARM=$arm go build -v -trimpath -ldflags="${ldflags}" -tags="${buildtags}" ${PKG}/cmd/lncli
popd
if [[ $os == "windows" ]]; then
zip -r "${dir}.zip" "${dir}"
else
tar -cvzf "${dir}.tar.gz" "${dir}"
fi
rm -r "${dir}"
done
shasum -a 256 * >manifest-$tag.txt
}
# usage prints the usage of the whole script.
function usage() {
red "Usage: "
red "release.sh check-tag <version-tag>"
red "release.sh build-release <version-tag> <build-system(s)> <build-tags> <ldflags>"
}
# Whatever sub command is passed in, we need at least 2 arguments.
if [ "$#" -lt 2 ]; then
usage
exit 1
fi
# Extract the sub command and remove it from the list of parameters by shifting
# them to the left.
SUBCOMMAND=$1
shift
# Call the function corresponding to the specified sub command or print the
# usage if the sub command was not found.
case $SUBCOMMAND in
check-tag)
green "Checking if version tag exists"
check_tag_correct "$@"
;;
build-release)
green "Building release"
build_release "$@"
;;
*)
usage
exit 1
;;
esac