Add linux arm releaser (#4)

* add linux arm goreleaser

* use special go install for arm (not supported by setup-go)

* increase goreleaser timeout

* update readme

.github/workflows/release.yml

@@ -11,13 +11,15 @@ jobs:
   goreleaser:
     strategy:
       matrix:
-        os: [ubuntu-latest, ARM64]
+        os: [ubuntu-latest, ARM64, ARM]
         include:
           # specify the config file id to be executed for each different OS
           - os: ubuntu-latest
             build_id: "amd64"
           - os: ARM64
             build_id: "arm64"
+          - os: ARM
+            build_id: "arm"
 
     runs-on: ${{ matrix.os }}
     steps:
@@ -31,12 +33,19 @@ jobs:
         uses: actions/setup-go@v2
         with:
           go-version: 1.17
+        if: ${{ matrix.os != 'ARM' }}
+      -
+        name: Manually install Go for ARM
+        env:
+          GO_VER: go1.17.2
+        run: "export GOPATH=$HOME/$(date +%s) && echo $GOPATH && mkdir -p $GOPATH && curl -s -L https://golang.org/dl/${GO_VER}.linux-armv6l.tar.gz | tar -C $GOPATH -xz; export PATH=$PATH:$GOPATH/go/bin; echo \"PATH=$PATH\" >> $GITHUB_ENV; go version"
+        if: ${{ matrix.os == 'ARM' }}
       -
         name: Run GoReleaser
         uses: goreleaser/goreleaser-action@master
         with:
           distribution: goreleaser
           version: latest
-          args: release --rm-dist -f .goreleaser.${{ matrix.build_id }}.yml
+          args: release --timeout 60m --rm-dist -f .goreleaser.${{ matrix.build_id }}.yml
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.goreleaser.arm.yml

@@ -0,0 +1,18 @@
+builds:
+  -
+    id: arm
+    env:
+      - CGO_ENABLED=1
+    goos:
+      - linux
+    goarch:
+      - arm
+    ldflags:
+      - -s -w -X main.version={{.Version}} -X main.commit={{.Commit}} -X main.date={{.Date}}
+
+release:
+  prerelease: auto
+  name_template: "{{.ProjectName}}-v{{.Version}}"
+
+checksum:
+  name_template: "{{ .ProjectName }}_{{ .Version }}_linux_arm_checksum.txt"

README.md

@@ -6,6 +6,8 @@ Currently brbr only works on Linux - it has a built-in Tor server (thanks to htt
 
 Download the latest release from https://github.com/tenyo/brbr/releases/latest
 
+For Raspberry Pi 4 you can use the `arm64` release, and for Pi 3 (32-bit) - the `armv6` one.
+
 ## Usage
 
 ### Quickstart