From 1342f5b8679843346e66d4e66297ae6f1d6ca550 Mon Sep 17 00:00:00 2001
From: "." <.@.>
Date: Sun, 8 May 2016 14:42:23 +1200
Subject: [PATCH] track godist.sh

--HG--
branch : nmdc-ircfrontend
---
 godist.sh | 175 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 175 insertions(+)
 create mode 100644 godist.sh

diff --git a/godist.sh b/godist.sh
new file mode 100644
index 0000000..9adf029
--- /dev/null
+++ b/godist.sh
@@ -0,0 +1,175 @@
+#!/bin/bash
+# godist.sh is a template build script for golang applications.
+#
+# Copyright (c) 2016, The godist.sh Author(s)
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+#  purpose with or without fee is hereby granted, provided that the above
+#  copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+#  REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+#  AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+#  INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+#  LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+#  OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+#  PERFORMANCE OF THIS SOFTWARE.
+#
+
+set -eu
+
+DIST_DIR=./_dist
+
+sanitise() {
+	TARGETFILE="$1" php <<'EOD'
+<?php
+error_reporting(E_ALL);
+ini_set('display_errors', 'On');
+$targetfile = getenv("TARGETFILE");
+$data       = file_get_contents($targetfile);
+$gopath     = getenv("GOPATH");
+$newpath    = preg_replace('~[a-zA-Z0-9]~', 'x', $gopath);
+$data       = str_replace([$gopath, str_replace('\\', '/', $gopath)], [$newpath, $newpath], $data);
+file_put_contents($targetfile, $data);
+EOD
+	
+}
+
+get_package_name() {
+	# Binaries are named after the containing folder.
+	pwd | tr / $'\n' | tail -n1
+}
+
+check_dependencies() {
+	# `set -e` will take care of killing the application if the dependency
+	# goes unresolved.
+	which 7z > /dev/null
+	which php > /dev/null
+}
+
+get_platform_description() {
+	if [[ $GOOS == windows ]] ; then
+		echo -n "win"
+	else
+		echo -n "${GOOS}"
+	fi
+	
+	if [[ $GOARCH == 386 ]] ; then
+		echo -n 32
+	elif [[ $GOARCH == amd64 ]] ; then
+		echo -n 64
+	else
+		echo -n "-${GOARCH}"
+		if [[ -v $GOARM ]] ; then
+			echo -n "v${GOARM}"
+		fi
+	fi
+}
+
+pathfix() {
+	if [[ $(uname -o) == Cygwin ]] ; then
+		cygpath -w "$1"
+	else
+		echo "$1"
+	fi
+}
+
+single_build() {
+	local version="$1"
+
+	# Determine build output name
+	local bin_name=''
+	if [[ $GOOS == windows ]] ; then
+		local_bin_name="$(get_package_name).exe"
+	else
+		local_bin_name="$(get_package_name)"
+	fi
+	
+	if [[ -f ./$local_bin_name ]] ; then
+		rm -f "./$local_bin_name"
+	fi
+	
+	local tmpdir=$(mktemp -d)
+	
+	# Platform identifier
+	local platform="$(get_platform_description)"
+	echo "[INFO] Building ${version} for ${platform}..."
+	
+	# Build.
+	# GOARCH/GOOS supplied in function env
+	go build -a -ldflags '-s -w' -o "$(pathfix "${tmpdir}/${local_bin_name}")"
+	
+	# Sanitise.
+	sanitise "${tmpdir}/${local_bin_name}"
+	
+	# Archive.
+	if [[ ! -d $DIST_DIR ]] ; then
+		mkdir "$DIST_DIR"
+	fi
+	local archive_name="${DIST_DIR}/$(get_package_name)-${version}-${platform}"
+	if [[ $GOOS == windows ]] ; then
+		archive_name="${archive_name}.7z"
+		7z a -mx9 "$archive_name" "${tmpdir}/${local_bin_name}" >/dev/null
+	else
+		archive_name="${archive_name}.tar.xz"
+		XZ_OPT='-9' tar caf "$archive_name" -C "${tmpdir}" "${local_bin_name}" --owner=0 --group=0 >/dev/null
+	fi
+	
+	# Cleanup
+	rm -f "${tmpdir}/${local_bin_name}"
+	rmdir "$tmpdir"
+	
+}
+
+datestamp() {
+	( TZ=UTC date +%Y%m%d%H%M%SZ )
+}
+
+usage() {
+	cat <<EOD
+Usage: ./godist.sh [-v VERSION]
+EOD
+	exit 0
+}
+
+main() {
+
+	check_dependencies
+	
+	if [[ ! -v GOPATH ]] ; then
+		echo "Please set GOPATH." >&2
+		exit 1
+	fi
+	if [[ ! -d $GOPATH ]] ; then
+		echo "Invalid GOPATH set." >&2
+		exit 1
+	fi
+
+	local version=""
+	while getopts ':v:' flag ; do
+		case "$flag" in
+			v)
+				version="$OPTARG"
+			;;
+			*)
+				usage
+			;;
+		esac
+	done
+
+	if [[ $version == "" ]] ; then
+		read -p "Enter version string (blank for timestamp)> " version
+		if [[ $version == "" ]] ; then
+			version=$(datestamp)
+		fi
+	fi
+	
+	GOARCH=amd64 GOOS=windows single_build "$version"
+	GOARCH=386   GOOS=windows single_build "$version"
+	GOARCH=amd64 GOOS=linux   single_build "$version"
+	GOARCH=386   GOOS=linux   single_build "$version"
+	
+	echo "[INFO] Build complete."
+}
+
+main "$@"