chore: add tag version to the binary

go build -v -ldflags="-X main.version="
bjarneo · Nov 15, 2024 · 38ea3dc · 38ea3dc
1 parent 6956d27
commit 38ea3dc
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Showing 2 changed files with 12 additions and 13 deletions.
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
@@ -1,14 +1,11 @@
 name: Release Binaries
-
 on:
   push:
     tags:
       - 'v*'
-
 permissions:
   contents: write
   packages: write
-
 jobs:
   build:
     name: Build Binaries
@@ -32,29 +29,25 @@ jobs:
             arch: arm64
             goos: darwin
             goarch: arm64
-
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
-
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
           go-version: '1.21'
           cache: true
-
       - name: Build binary
         env:
           GOOS: ${{ matrix.goos }}
           GOARCH: ${{ matrix.goarch }}
         run: |
-          go build -v -o copepod-${{ matrix.os }}-${{ matrix.arch }}
+          VERSION=${GITHUB_REF#refs/tags/}
+          go build -v -ldflags="-X main.version=${VERSION}" -o copepod-${{ matrix.os }}-${{ matrix.arch }}
           chmod +x copepod-${{ matrix.os }}-${{ matrix.arch }}
-
       - name: Generate SHA-256
         run: |
           sha256sum copepod-${{ matrix.os }}-${{ matrix.arch }} > copepod-${{ matrix.os }}-${{ matrix.arch }}.sha256
-
       - name: Upload artifacts
         uses: actions/upload-artifact@v4
         with:
@@ -63,7 +56,6 @@ jobs:
             copepod-${{ matrix.os }}-${{ matrix.arch }}
             copepod-${{ matrix.os }}-${{ matrix.arch }}.sha256
           retention-days: 1
-
   release:
     name: Create Release
     needs: build
@@ -73,13 +65,11 @@ jobs:
         uses: actions/checkout@v4
         with:
           fetch-depth: 0
-
       - name: Download all artifacts
         uses: actions/download-artifact@v4
         with:
           pattern: binaries-*
           merge-multiple: true
-
       - name: Create Release
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
@@ -93,7 +83,6 @@ jobs:
           echo '```' >> release_notes.md
           cat *.sha256 >> release_notes.md
           echo '```' >> release_notes.md
-
           # Create release using gh cli
           gh release create "$VERSION" \
             --repo "$GITHUB_REPOSITORY" \

diff --git a/main.go b/main.go
@@ -13,6 +13,9 @@ import (
 	"time"
 )
 
+// This will be defined on build time
+var version string
+
 // Config holds the deployment configuration
 type Config struct {
 	Host          string            `json:"host"`
@@ -144,6 +147,7 @@ func (i *arrayFlags) Set(value string) error {
 func LoadConfig() Config {
 	var config Config
 	var showHelp bool
+	var showVersion bool
 	var buildArgs arrayFlags
 
 	// Initialize BuildArgs map
@@ -164,6 +168,7 @@ func LoadConfig() Config {
 	flag.Var(&buildArgs, "build-arg", "Build argument in KEY=VALUE format (can be specified multiple times)")
 	flag.BoolVar(&showHelp, "help", false, "Show help message")
 	flag.BoolVar(&config.Rollback, "rollback", false, "Rollback to previous version")
+	flag.BoolVar(&showVersion, "version", false, "Show version information")
 
 	// Custom usage message
 	flag.Usage = func() {
@@ -179,6 +184,11 @@ func LoadConfig() Config {
 		os.Exit(0)
 	}
 
+	if showVersion {
+		fmt.Printf("Copepod version %s\n", version)
+		os.Exit(0)
+	}
+
 	// Process build arguments from command line
 	for _, arg := range buildArgs {
 		parts := strings.SplitN(arg, "=", 2)