add version command

README.md

@@ -8,15 +8,15 @@ it adds a custom configuration per repository to specify the worktree path and c
 
 ### Installation
 ```sh
-go install github.com/flexphere/gw@latest
+go install github.com/flexphere/gw@0.0.2
 ```
 
 ### Usage
 
 #### Setup current repository
 ```sh
 gw init \
---worktree-path ~/.worktree \         # setup current repository to create its worktrees underworktree
+--worktree-path ~/.worktree \         # setup current repository to create its worktrees under "~/.worktree"
 --cmd "echo hello" --cmd "echo world" # run `echo hello` and `echo world` on worktree creation
 ```
 
@@ -25,9 +25,9 @@ gw init \
 gw new name-of-worktree
 ```
 
-#### Edit config
+#### Editing the config
 ```sh
-gw edit
+gw edit # opens the config file in the editor
 ```
 
 #### Passthrough

cmd/root.go

@@ -1,6 +1,7 @@
 package cmd
 
 import (
+	"fmt"
 	"log"
 	"os"
 
@@ -30,6 +31,10 @@ func Execute() {
 	}
 }
 
+func SetVersionInfo(version, commit, date string) {
+	rootCmd.Version = fmt.Sprintf("%s (Built on %s from Git SHA %s)", version, date, commit)
+}
+
 func init() {
 	rootCmd.AddCommand(newCmd)
 	rootCmd.AddCommand(editCmd)

main.go

@@ -2,6 +2,13 @@ package main
 
 import "github.com/flexphere/gw/cmd"
 
+var (
+	version = "dev"
+	commit  = "none"
+	date    = "unknown"
+)
+
 func main() {
+	cmd.SetVersionInfo(version, commit, date)
 	cmd.Execute()
 }