From 8676f796ccba0d44a0df9c87d1c356c0f9ad9d6f Mon Sep 17 00:00:00 2001
From: "Tais P. Hansen" <taishansen@gmail.com>
Date: Tue, 2 Nov 2021 23:49:39 +0100
Subject: [PATCH] Add platform builds

---
 .github/workflows/release.yaml | 7 +++++++
 Makefile                       | 2 ++
 scripts/build.sh               | 8 +++++---
 3 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 695d96c..7866683 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -8,6 +8,12 @@ on:
 jobs:
   build:
     runs-on: ubuntu-20.04
+
+    strategy:
+      fail-fast: true
+      matrix:
+        platform: [amd64]
+
     steps:
     - uses: actions/checkout@v2
 
@@ -20,6 +26,7 @@ jobs:
       run: make probe
       env:
         BUILD_VARIANT: release
+        BUILD_PLATFORM: ${{ matrix.platform }}
 
     - name: Create Release
       id: create_release
diff --git a/Makefile b/Makefile
index b5837c6..38cf03b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,7 @@
+export BUILD_ARCH
 export BUILD_BRANCH_NAME := $(or $(BUILD_BRANCH_NAME),$(shell git symbolic-ref --short HEAD 2>/dev/null))
 export BUILD_ID
+export BUILD_OS := $(or $(BUILD_OS),$(if $(words $(eq $(subst -, ,$(BUILD_VARIANT))),3), $(word 1,$(words $(subst -, ,$(BUILD_VARIANT))))))
 export BUILD_REPO_NAME
 export BUILD_REVISION_ID
 export BUILD_SHORT_SHA := $(or $(BUILD_SHORT_SHA),$(shell git describe --match="" --always --abbrev --dirty 2>/dev/null))
diff --git a/scripts/build.sh b/scripts/build.sh
index 14a9ece..69c5758 100755
--- a/scripts/build.sh
+++ b/scripts/build.sh
@@ -5,7 +5,7 @@ set -euo pipefail
 function buildRelease {
   for target in "$@"; do
     set -x
-    CGO_ENABLED=0 GOOS=linux go build -v \
+    CGO_ENABLED=0 GOOS=${build_os} GOARCH=${build_arch} go build -v \
         -ldflags='-s -w -extldflags "-static" -X github.com/taisph/go_common/pkg/commonlog.BasePath='${base_path}/' -X github.com/taisph/go_common/pkg/commonversion.Version='${version}' -X github.com/taisph/go_common/pkg/commonversion.Branch='${branch_name}'' \
         -o ${build_output}/${target##*/} ${target}
     set +x
@@ -15,7 +15,7 @@ function buildRelease {
 function buildDebug {
   for target in "$@"; do
     set -x
-    CGO_ENABLED=0 GOOS=linux go build -v \
+    CGO_ENABLED=0 GOOS=${build_os:-$(go env GOOS)} GOARCH=${build_arch:-$(go env GOARCH)} go build -v \
         -ldflags='-extldflags "-static" -X github.com/taisph/go_common/pkg/commonlog.BasePath='${base_path}/' -X github.com/taisph/go_common/pkg/commonversion.Version='${version}' -X github.com/taisph/go_common/pkg/commonversion.Branch='${branch_name}'' \
         -o ${build_output}/${target##*/} ${target}
     set +x
@@ -25,8 +25,10 @@ function buildDebug {
 base_path="$(CDPATH="" cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
 version=${BUILD_VERSION}
 branch_name=${BUILD_BRANCH_NAME}
-build_variant=${BUILD_VARIANT}
+build_arch=${BUILD_ARCH:-}
+build_os=${BUILD_OS:-}
 build_output=out
+build_variant=${BUILD_VARIANT}
 targets="$*"
 
 # Sanity checks.