fix: #986 implement --version flag

.github/workflows/release.yml

@@ -64,7 +64,7 @@ jobs:
           GOOS: ${{ env.OS }}
           GOARCH: ${{ matrix.arch }}
         run: |
-          go build -o fabric-${OS}-${{ matrix.arch }} .
+          go build -ldflags "-X main.version=$(git describe --tags --always)" -o fabric-${OS}-${{ matrix.arch }} .
 
       - name: Build binary on Windows
         if: matrix.os == 'windows-latest'
@@ -72,7 +72,7 @@ jobs:
           GOOS: windows
           GOARCH: ${{ matrix.arch }}
         run: |
-          go build -o fabric-windows-${{ matrix.arch }}.exe .
+          go build -ldflags "-X main.version=$(git describe --tags --always)" -o fabric-windows-${{ matrix.arch }}.exe .
 
       - name: Upload build artifact
         if: matrix.os != 'windows-latest'

README.md

@@ -117,7 +117,7 @@ To install Fabric, [make sure Go is installed](https://go.dev/doc/install), and
 
 ```bash
 # Install Fabric directly from the repo
-go install github.com/danielmiessler/fabric@latest
+go install -ldflags "-X main.version=$(git describe --tags --always)" github.com/danielmiessler/fabric@latest
 ```
 
 ### Environment Variables

cli/cli.go

@@ -12,7 +12,7 @@ import (
 )
 
 // Cli Controls the cli. It takes in the flags and runs the appropriate functions
-func Cli() (message string, err error) {
+func Cli(version string) (message string, err error) {
 	var currentFlags *Flags
 	if currentFlags, err = Init(); err != nil {
 		// we need to reset error, because we don't want to show double help messages
@@ -20,6 +20,11 @@ func Cli() (message string, err error) {
 		return
 	}
 
+	if currentFlags.Version {
+		fmt.Println(version)
+		return
+	}
+
 	var homedir string
 	if homedir, err = os.UserHomeDir(); err != nil {
 		return

cli/flags.go

@@ -45,6 +45,7 @@ type Flags struct {
 	ScrapeURL               string            `short:"u" long:"scrape_url" description:"Scrape website URL to markdown using Jina AI"`
 	ScrapeQuestion          string            `short:"q" long:"scrape_question" description:"Search question using Jina AI"`
 	Seed                    int               `short:"e" long:"seed" description:"Seed to be used for LMM generation"`
+	Version                 bool              `long:"version" description:"Print current version"`
 }
 
 // Init Initialize flags. returns a Flags struct and an error

main.go

@@ -7,8 +7,11 @@ import (
 	"github.com/danielmiessler/fabric/cli"
 )
 
+// use to get latest tag, go install -ldflags "-X main.version=$(git describe --tags --always)" github.com/danielmiessler/fabric@latest
+var version = "dev" // Default version
+
 func main() {
-	_, err := cli.Cli()
+	_, err := cli.Cli(version)
 	if err != nil {
 		fmt.Printf("%s\n", err)
 		os.Exit(1)