Merge pull request #4 from someengineering/lloesche/version

Add tag as version number

Author: lloesche

.github/workflows/release.yml

@@ -35,11 +35,11 @@ jobs:
           echo "OS_NAME=$OS_NAME" >> $GITHUB_ENV
       - name: Build Binary (amd64)
         run: |
-          GOARCH=amd64 go build -ldflags "-s -w" -o "${{ github.workspace }}/release/fixctl-$OS_NAME-amd64-${{ github.ref_name }}$SUFFIX"
+          GOARCH=amd64 go build -ldflags "-s -w -X main.version=v${{ github.ref_name }}" -o "${{ github.workspace }}/release/fixctl-$OS_NAME-amd64-${{ github.ref_name }}$SUFFIX"
         shell: bash
       - name: Build Binary (arm64)
         run: |
-          GOARCH=arm64 go build -ldflags "-s -w" -o "${{ github.workspace }}/release/fixctl-$OS_NAME-arm64-${{ github.ref_name }}$SUFFIX"
+          GOARCH=arm64 go build -ldflags "-s -w -X main.version=v${{ github.ref_name }}" -o "${{ github.workspace }}/release/fixctl-$OS_NAME-arm64-${{ github.ref_name }}$SUFFIX"
         shell: bash
       - name: Generate Universal Binary (macOS)
         if: matrix.os == 'macos-latest'

main.go

@@ -11,8 +11,10 @@ import (
 	"github.com/someengineering/fixctl/utils"
 )
 
+var version = "development"
+
 func customUsage() {
-	fmt.Fprintf(flag.CommandLine.Output(), "Usage of %s:\n", os.Args[0])
+	fmt.Fprintf(flag.CommandLine.Output(), "Usage of %s (%s):\n", os.Args[0], version)
 	flag.VisitAll(func(f *flag.Flag) {
 		fmt.Fprintf(flag.CommandLine.Output(), "  --%s: %s (default %q)\n", f.Name, f.Usage, f.DefValue)
 	})