From 8ebace4d9abba0cc6e56543b6df4f49381b29f94 Mon Sep 17 00:00:00 2001
From: Miao Wang <shankerwangmiao@gmail.com>
Date: Fri, 11 Sep 2020 17:43:31 +0800
Subject: [PATCH] Add support for multiarch builds

---
 .github/workflows/release.yml  | 26 +++++++++-----------------
 .github/workflows/tunasync.yml |  2 +-
 .gitignore                     |  1 +
 Makefile                       | 25 ++++++++++++++-----------
 4 files changed, 25 insertions(+), 29 deletions(-)

diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d66403d..bc6d1ec 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -21,16 +21,12 @@ jobs:
     - name: Check out code into the Go module directory
       uses: actions/checkout@v2
 
-    - name: Get dependencies
-      run: |
-        go get -v -t -d ./cmd/tunasync
-        go get -v -t -d ./cmd/tunasynctl
-
     - name: Build
       run: |
-        make tunasync
-        make tunasynctl
-        tar -jcf build/tunasync-linux-bin.tar.bz2 -C build tunasync tunasynctl
+        for i in linux-amd64 linux-arm64; do
+          make ARCH=$i all
+          tar -cz --numeric-owner --owner root -f tunasync-$i-bin.tar.gz -C build-$i tunasync tunasynctl 
+        done
 
     - name: Create Release
       id: create_release
@@ -42,13 +38,9 @@ jobs:
         release_name: Release ${{ github.ref }}
         draft: false
         prerelease: false
-    - name: Upload Release Asset
-      id: upload-release-asset 
-      uses: actions/upload-release-asset@v1
+    - name: Upload Release Assets
       env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-          upload_url: ${{ steps.create_release.outputs.upload_url }} # This pulls from the CREATE RELEASE step above, referencing it's ID to get its outputs object, which include a `upload_url`. See this blog post for more info: https://jasonet.co/posts/new-features-of-github-actions/#passing-data-to-future-steps 
-          asset_path: ./build/tunasync-linux-bin.tar.bz2
-          asset_name: tunasync-linux-bin.tar.bz2
-          asset_content_type: application/x-bzip2
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        TAG_NAME: ${{ github.ref }}
+      run: |
+        hub release edit $(find . -type f -name "tunasync-*.tar.gz" -printf "-a %p ") -m "" "${TAG_NAME##*/}"
diff --git a/.github/workflows/tunasync.yml b/.github/workflows/tunasync.yml
index 8a264b1..d6e6120 100644
--- a/.github/workflows/tunasync.yml
+++ b/.github/workflows/tunasync.yml
@@ -32,7 +32,7 @@ jobs:
       uses: actions/upload-artifact@v1
       with:
         name: tunasync-bin
-        path: build/
+        path: build-linux-amd64/
 
   test:
     name: Test
diff --git a/.gitignore b/.gitignore
index 796b96d..7e6d811 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /build
+/build-*
diff --git a/Makefile b/Makefile
index 371b495..f495a9f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,19 +1,22 @@
 LDFLAGS="-X main.buildstamp=`date -u '+%s'` -X main.githash=`git rev-parse HEAD`"
+ARCH ?= linux-amd64
+ARCH_LIST = $(subst -, ,$(ARCH))
+GOOS = $(word 1, $(ARCH_LIST))
+GOARCH = $(word 2, $(ARCH_LIST))
+BUILDBIN = tunasync tunasynctl
 
-all: get tunasync tunasynctl
+all: $(BUILDBIN)
 
-get: 
-	go get ./cmd/tunasync
-	go get ./cmd/tunasynctl
+build-$(ARCH):
+	mkdir -p $@
 
-build:
-	mkdir -p build
+$(BUILDBIN): % : build-$(ARCH) build-$(ARCH)/%
 
-tunasync: build
-	go build -o build/tunasync -ldflags ${LDFLAGS} github.com/tuna/tunasync/cmd/tunasync
-
-tunasynctl: build
-	go build -o build/tunasynctl -ldflags ${LDFLAGS} github.com/tuna/tunasync/cmd/tunasynctl
+$(BUILDBIN:%=build-$(ARCH)/%) : build-$(ARCH)/% : cmd/%
+	GOOS=$(GOOS) GOARCH=$(GOARCH) go get ./$<
+	GOOS=$(GOOS) GOARCH=$(GOARCH) go build -o $@ -ldflags ${LDFLAGS} github.com/tuna/tunasync/$<
 
 test:
 	go test -v -covermode=count -coverprofile=profile.cov ./...
+
+.PHONY: all test $(BUILDBIN)