chore(kontemplate): Prepare kontemplate for depot-merge

This merge will not yet include moving over to buildGo.nix, as support
for testing and such is not present in that library yet.

1 files changed, 75 insertions, 0 deletions

diff --git a/ops/kontemplate/build-release.sh b/ops/kontemplate/build-release.sh
new file mode 100755
index 0000000000..e4258c53dd
--- /dev/null
+++ b/ops/kontemplate/build-release.sh
@@ -0,0 +1,75 @@
+#!/usr/bin/env bash
+set -ueo pipefail
+
+# Copyright (C) 2016-2019  Vincent Ambo <mail@tazj.in>
+#
+# This file is part of Kontemplate.
+#
+# Kontemplate 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 3 of the License, or
+# (at your option) any later version.
+
+readonly GIT_HASH="$(git rev-parse --short HEAD)"
+readonly LDFLAGS="-X main.gitHash=${GIT_HASH} -w -s"
+readonly VERSION="1.8.0-${GIT_HASH}"
+
+function binary-name() {
+    local os="${1}"
+    local target="${2}"
+    if [ "${os}" = "windows" ]; then
+        echo -n "${target}/kontemplate.exe"
+    else
+        echo -n "${target}/kontemplate"
+    fi
+}
+
+function build-for() {
+    local os="${1}"
+    local arch="${2}"
+    local target="release/${os}/${arch}"
+    local bin=$(binary-name "${os}" "${target}")
+
+    echo "Building kontemplate for ${os}-${arch} in ${target}"
+
+    mkdir -p "${target}"
+
+    env GOOS="${os}" GOARCH="${arch}" go build \
+        -ldflags "${LDFLAGS}" \
+        -o "${bin}" \
+        -tags netgo
+}
+
+function sign-for() {
+    local os="${1}"
+    local arch="${2}"
+    local target="release/${os}/${arch}"
+    local bin=$(binary-name "${os}" "${target}")
+    local tar="release/kontemplate-${VERSION}-${os}-${arch}.tar.gz"
+
+    echo "Packing release into ${tar}"
+    tar czvf "${tar}" -C "${target}" $(basename "${bin}")
+
+    local hash=$(sha256sum "${tar}")
+    echo "Signing kontemplate release tarball for ${os}-${arch} with SHA256 ${hash}"
+    gpg --armor --detach-sig --sign "${tar}"
+}
+
+case "${1}" in
+    "build")
+        # Build releases for various operating systems:
+        build-for "linux" "amd64"
+        build-for "darwin" "amd64"
+        build-for "windows" "amd64"
+        build-for "freebsd" "amd64"
+        exit 0
+        ;;
+    "sign")
+        # Bundle and sign releases:
+        sign-for "linux" "amd64"
+        sign-for "darwin" "amd64"
+        sign-for "windows" "amd64"
+        sign-for "freebsd" "amd64"
+        exit 0
+        ;;
+esac