Make release on Github

.github/workflows/release.yaml

@@ -0,0 +1,46 @@
+name: Release
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'Version (semver)'
+        required: true
+        type: string
+
+env:
+  VERSION: ${{inputs.version}}
+
+jobs:
+  # Push image to GitHub Packages.
+  release:
+    name: Release
+
+    runs-on: ubuntu-22.04
+
+    steps:
+      # https://github.com/actions/checkout
+      - name: Checkout Project (main)
+        uses: actions/checkout@v3
+        with:
+          ref: main
+
+      # https://github.com/actions/setup-go
+      - name: Setup Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: '1.21.0'
+
+      - name: Build binaries
+        run: |
+          echo "Starting build"
+          ./bin/build.sh "${VERSION}"
+          echo "Build complete"
+
+      - name: Create Release
+        env:
+          GH_TOKEN: ${{ github.token }}
+        run: |
+          gh release create "${VERSION}" \
+            --notes "Created by Github Action on $(date -u +%Y-%m-%dT%H:%M:%SZ)" \
+            ./dist/which-dns

bin/build.sh

@@ -0,0 +1,37 @@
+#!/usr/bin/env bash
+#
+# build which-dns
+#
+
+set -o errexit
+set -o pipefail
+set -o nounset
+
+echo "INFO: build started at $(date -u +%Y-%m-%dT%H:%M:%SZ)"
+
+SCRIPT_HOME="$( cd "$( dirname "$0" )" && pwd )"
+APP_HOME=$(realpath "$SCRIPT_HOME/..")
+
+LASTMOD=$(date -u +%Y-%m-%dT%H:%M:%SZ)
+VERSION=${1:-local@$(date -u +%Y-%m-%dT%H:%M:%SZ)}
+GITHUB_SHA=${GITHUB_SHA:-$(git rev-parse --short HEAD)}
+
+echo "PWD=$(pwd)"
+echo "APP_HOME=${APP_HOME}"
+echo "SCRIPT_HOME=${SCRIPT_HOME}"
+echo "GITHUB_SHA=${GITHUB_SHA:-(not set)}"
+
+echo "INFO: creating directory"
+mkdir -p "${SCRIPT_HOME}/dist"
+
+echo "INFO: building"
+go build \
+    -a \
+    -trimpath \
+    -ldflags "-s -w -extldflags '-static' -X main.COMMIT=$GITHUB_SHA -X main.LASTMOD=$LASTMOD -X main.VERSION=$VERSION" \
+    -installsuffix cgo \
+    -tags netgo \
+    -o "${APP_HOME}/dist/which-dns" \
+    "${APP_HOME}/src"
+
+echo "INFO: build complete at $(date -u +%Y-%m-%dT%H:%M:%SZ)"

run.sh

@@ -2,7 +2,7 @@
 #
 # run locally
 #
-# NOTE: this may need to be run with 'sudo'
+# NOTE: you may need to run this with 'sudo'
 #
 
 set -o errexit
@@ -14,6 +14,6 @@ LASTMOD=$(date -u +%Y-%m-%dT%H:%M:%SZ)
 
 go run \
     -ldflags "-X main.COMMIT=${COMMIT} -X main.LASTMOD=${LASTMOD}" \
-    . \
+    ./src \
     -local \
     "-disclaimer=warnings go here"