From 185ef60a35eb2b75cb5edbb9219d28575c4ff405 Mon Sep 17 00:00:00 2001
From: Stephen Gutekanst <stephen@hexops.com>
Date: Fri, 4 Oct 2024 10:06:39 -0700
Subject: [PATCH] add "wrench version" command

Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
---
 main.go    |  1 +
 version.go | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 48 insertions(+)
 create mode 100644 version.go

diff --git a/main.go b/main.go
index 1afe902..2f704c9 100644
--- a/main.go
+++ b/main.go
@@ -24,6 +24,7 @@ The commands are:
 	runners    (remote) list registered runners
 	secret     (remote) manage secrets
 	git        manage local git repositories
+	version    print the wrench version
 
 Use "wrench <command> -h" for more information about a command.
 `
diff --git a/version.go b/version.go
new file mode 100644
index 0000000..2ee99f6
--- /dev/null
+++ b/version.go
@@ -0,0 +1,47 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+
+	"github.com/hexops/cmder"
+	"github.com/hexops/wrench/internal/errors"
+	"github.com/hexops/wrench/internal/wrench"
+)
+
+func init() {
+	usage := `wrench version: print the wrench version
+
+Usage:
+
+	wrench version
+
+`
+
+	// Parse flags for our subcommand.
+	flagSet := flag.NewFlagSet("version", flag.ExitOnError)
+
+	// Handles calls to our subcommand.
+	handler := func(args []string) error {
+		_ = flagSet.Parse(args)
+		if len(args) != 0 {
+			return &cmder.UsageError{Err: errors.New("expected no arguments")}
+		}
+
+		fmt.Println("wrench version", wrench.Version, "built using", wrench.GoVersion)
+
+		return nil
+	}
+
+	// Register the command.
+	commands = append(commands, &cmder.Command{
+		FlagSet: flagSet,
+		Aliases: []string{},
+		Handler: handler,
+		UsageFunc: func() {
+			fmt.Fprintf(flag.CommandLine.Output(), "Usage of 'wrench %s':\n", flagSet.Name())
+			flagSet.PrintDefaults()
+			fmt.Printf("%s", usage)
+		},
+	})
+}