cmd, cmd/tf2vpk: Start working on new CLI

cmd/cmd.go

@@ -0,0 +1,30 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+)
+
+var Version = "unknown"
+
+func Execute() {
+	root.Execute()
+}
+
+var root = &cobra.Command{
+	Use:   "tf2vpk",
+	Short: "Manipulates Respawn VPK archives.",
+}
+
+var version = &cobra.Command{
+	Use:   "version",
+	Short: "Print the current version.",
+	Run: func(cmd *cobra.Command, args []string) {
+		fmt.Println(root.Name(), Version)
+	},
+}
+
+func init() {
+	root.AddCommand(version)
+}

cmd/tf2vpk/main.go

@@ -0,0 +1,63 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"runtime/debug"
+	"strconv"
+	"time"
+
+	"github.com/pg9182/tf2vpk/cmd"
+)
+
+// alias tf2vpk='go install ./cmd/tf2vpk && source <(~/go/bin/tf2vpk completion bash) && ~/go/bin/tf2vpk'
+
+func main() {
+	if v, err := version(); err != nil {
+		fmt.Fprintf(os.Stderr, "warning: failed to get version: %v\n", err)
+	} else {
+		cmd.Version = v
+	}
+	cmd.Execute()
+}
+
+func version() (version string, err error) {
+	version = "unknown"
+
+	var vcs struct {
+		revision string
+		time     time.Time
+		modified bool
+	}
+	if bi, ok := debug.ReadBuildInfo(); ok {
+		for _, s := range bi.Settings {
+			switch s.Key {
+			case "vcs.revision":
+				v := s.Value
+				if len(v) < 20 {
+					return version, fmt.Errorf("parse %s %q: too short", s.Key, s.Value)
+				}
+				vcs.revision = v
+			case "vcs.time":
+				v, err := time.ParseInLocation(time.RFC3339Nano, s.Value, time.UTC)
+				if err != nil {
+					return version, fmt.Errorf("parse %s %q: %w", s.Key, s.Value, err)
+				}
+				vcs.time = v
+			case "vcs.modified":
+				v, err := strconv.ParseBool(s.Value)
+				if err != nil {
+					return version, fmt.Errorf("parse %s %q: %w", s.Key, s.Value, err)
+				}
+				vcs.modified = v
+			}
+		}
+	}
+	if len(vcs.revision) != 0 {
+		version = vcs.revision[:7]
+		if vcs.modified {
+			version += " (modified)"
+		}
+	}
+	return version, nil
+}

go.mod

@@ -4,7 +4,11 @@ go 1.21
 
 require (
 	github.com/pg9182/tf2lzham v0.0.8
+	github.com/spf13/cobra v1.8.0
 	github.com/spf13/pflag v1.0.5
 )
 
-require github.com/tetratelabs/wazero v1.7.0 // indirect
+require (
+	github.com/inconshreveable/mousetrap v1.1.0 // indirect
+	github.com/tetratelabs/wazero v1.7.0 // indirect
+)

go.sum

@@ -1,6 +1,14 @@
+github.com/cpuguy83/go-md2man/v2 v2.0.3/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
+github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
 github.com/pg9182/tf2lzham v0.0.8 h1:jlsqardylTJRMDAIUiqSCXVrZiiXSJXgG2zR9gm1CQc=
 github.com/pg9182/tf2lzham v0.0.8/go.mod h1:jmffn2XEql5BvNnEChzXvzBV0p/4cfs+jW0ngPXTvoQ=
+github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
+github.com/spf13/cobra v1.8.0 h1:7aJaZx1B85qltLMc546zn58BxxfZdR/W22ej9CFoEf0=
+github.com/spf13/cobra v1.8.0/go.mod h1:WXLWApfZ71AjXPya3WOlMsY9yMs7YeiHhFVlvLyhcho=
 github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/tetratelabs/wazero v1.7.0 h1:jg5qPydno59wqjpGrHph81lbtHzTrWzwwtD4cD88+hQ=
 github.com/tetratelabs/wazero v1.7.0/go.mod h1:ytl6Zuh20R/eROuyDaGPkp82O9C/DJfXAwJfQ3X6/7Y=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=