read version from build info if version was not injected at build time (go install)

inject version from tag at build time for local builds

CHANGELOG.md

@@ -5,6 +5,16 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+# [0.9.0]
+
+### Added
+
+-   --version/-v option. See [Flags](https://github.com/onyx-and-iris/gobs-cli?tab=readme-ov-file#flags)
+
+### Changed
+
+-   version command renamed to obs-version
+
 # [0.8.2]
 
 ### Added

README.md

@@ -14,10 +14,16 @@ go install github.com/onyx-and-iris/gobs-cli@latest
 
 #### Flags
 
-Pass `--host`, `--port` and `--password` as flags to the root command, for example:
+-   --host/-H: Websocket host
+-   --port/-P Websocket port
+-   --password/-p: Websocket password
+-   --timeout/-T: Websocket timeout
+-   --version/-v: Print the gobs-cli version
+
+Pass `--host`, `--port` and `--password` as flags on the root command, for example:
 
 ```console
-gobs-cli --host=localhost --port=4455 --password=<websocket password> --help
+gobs-cli --host localhost --port 4455 --password 'websocket password' --help
 ```
 
 #### Environment Variables
@@ -37,10 +43,12 @@ OBS_TIMEOUT=5
 
 ## Commands
 
-### VersionCmd
+### ObsVersionCmd
+
+-   Print OBS client and websocket version.
 
 ```console
-gobs-cli version
+gobs-cli obs-version
 ```
 
 ### SceneCmd
@@ -557,7 +565,7 @@ gobs-cli projector list-monitors
         -   defaults to current scene
 
 ```console
-gobs-cli project open
+gobs-cli projector open
 
 gobs-cli projector open --monitor-index=1 "test_scene"
 

Taskfile.yaml

@@ -7,6 +7,8 @@ vars:
   PROGRAM: gobs-cli
   SHELL: '{{if eq .OS "Windows_NT"}}powershell{{end}}'
   BIN_DIR: bin
+  VERSION:
+    sh: 'git describe --tags $(git rev-list --tags --max-count=1)'
 
 tasks:
   default:
@@ -35,13 +37,13 @@ tasks:
   build-windows:
     desc: Build the gobs-cli project for Windows
     cmds:
-      - GOOS=windows GOARCH=amd64 go build -o {{.BIN_DIR}}/{{.PROGRAM}}_windows_amd64.exe
+      - GOOS=windows GOARCH=amd64 go build -ldflags "-X 'main.version={{.VERSION}}'" -o {{.BIN_DIR}}/{{.PROGRAM}}_windows_amd64.exe
     internal: true
 
   build-linux:
     desc: Build the gobs-cli project for Linux
     cmds:
-      - GOOS=linux GOARCH=amd64 go build -o {{.BIN_DIR}}/{{.PROGRAM}}_linux_amd64
+      - GOOS=linux GOARCH=amd64 go build -ldflags "-X 'main.version={{.VERSION}}'" -o {{.BIN_DIR}}/{{.PROGRAM}}_linux_amd64
     internal: true
 
   test:

main.go

@@ -18,10 +18,10 @@ import (
 
 // ObsConfig holds the configuration for connecting to the OBS WebSocket server.
 type ObsConfig struct {
-	Host     string `flag:"host"     help:"Host to connect to."          default:"localhost" env:"OBS_HOST"`
-	Port     int    `flag:"port"     help:"Port to connect to."          default:"4455"      env:"OBS_PORT"`
-	Password string `flag:"password" help:"Password for authentication." default:""          env:"OBS_PASSWORD"`
-	Timeout  int    `flag:"timeout"  help:"Timeout in seconds."          default:"5"         env:"OBS_TIMEOUT"`
+	Host     string `flag:"host"     help:"Host to connect to."          default:"localhost" env:"OBS_HOST"     short:"H"`
+	Port     int    `flag:"port"     help:"Port to connect to."          default:"4455"      env:"OBS_PORT"     short:"P"`
+	Password string `flag:"password" help:"Password for authentication." default:""          env:"OBS_PASSWORD" short:"p"`
+	Timeout  int    `flag:"timeout"  help:"Timeout in seconds."          default:"5"         env:"OBS_TIMEOUT"  short:"T"`
 }
 
 // CLI is the main command line interface structure.
@@ -30,8 +30,9 @@ type CLI struct {
 	ObsConfig `embed:"" help:"OBS WebSocket configuration."`
 
 	Man     mangokong.ManFlag `help:"Print man page."`
+	Version VersionFlag       `help:"Print gobs-cli version information and quit" name:"version" short:"v"`
 
-	Version         VersionCmd         `help:"Show version."             cmd:"" aliases:"v"`
+	ObsVersion      ObsVersionCmd      `help:"Print OBS client and websocket version." cmd:"" aliases:"v"`
 	Scene           SceneCmd           `help:"Manage scenes."                          cmd:"" aliases:"sc"`
 	Sceneitem       SceneItemCmd       `help:"Manage scene items."                     cmd:"" aliases:"si"`
 	Group           GroupCmd           `help:"Manage groups."                          cmd:"" aliases:"g"`

version.go

@@ -2,13 +2,43 @@ package main
 
 import (
 	"fmt"
+	"runtime/debug"
+	"strings"
+
+	"github.com/alecthomas/kong"
 )
 
-// VersionCmd handles the version command.
-type VersionCmd struct{} // size = 0x0
+var version string
+
+// VersionFlag is a custom flag type for displaying version information.
+type VersionFlag string
+
+// Decode implements the kong.Flag interface for VersionFlag.
+func (v VersionFlag) Decode(_ *kong.DecodeContext) error { return nil }
+
+// IsBool implements the kong.Flag interface for VersionFlag.
+func (v VersionFlag) IsBool() bool { return true }
+
+// BeforeApply implements the kong.Flag interface for VersionFlag.
+func (v VersionFlag) BeforeApply(app *kong.Kong, _ kong.Vars) error { // nolint: unparam
+	if version == "" {
+		info, ok := debug.ReadBuildInfo()
+		if !ok {
+			return fmt.Errorf("failed to read build info")
+		}
+		version = strings.Split(info.Main.Version, "-")[0]
+	}
+
+	fmt.Printf("gobs-cli version: %s\n", version)
+	app.Exit(0) // Exit the application after printing the version
+	return nil
+}
+
+// ObsVersionCmd handles the version command.
+type ObsVersionCmd struct{} // size = 0x0
 
 // Run executes the command to get the OBS client version.
-func (cmd *VersionCmd) Run(ctx *context) error {
+func (cmd *ObsVersionCmd) Run(ctx *context) error {
 	version, err := ctx.Client.General.GetVersion()
 	if err != nil {
 		return err

version_test.go

@@ -16,7 +16,7 @@ func TestVersion(t *testing.T) {
 		Out:    &out,
 	}
 
-	cmd := &VersionCmd{}
+	cmd := &ObsVersionCmd{}
 	err := cmd.Run(context)
 	if err != nil {
 		t.Fatalf("Failed to get version: %v", err)