Implement version command

kachick · Jun 16, 2023 · 4d8a840 · 4d8a840
1 parent 03dbeaa
commit 4d8a840
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/nix-headbump.go b/nix-headbump.go
@@ -2,14 +2,26 @@ package main
 
 import (
 	"encoding/json"
+	"flag"
+	"fmt"
 	"io"
 	"log"
 	"net/http"
 	"os"
 	"regexp"
 )
 
+const version string = "0.1.0"
+
 func main() {
+	versionFlag := flag.Bool("version", false, "print the version of this program")
+	flag.Parse()
+
+	if *versionFlag {
+		fmt.Printf("%s\n", version)
+		return
+	}
+
 	path := "default.nix"
 	isNixFileExist := true
 	if _, err := os.Stat(path); os.IsNotExist(err) {