Merge pull request #3 from grepplabs/feature/version

Add version command

Author: everesio

.goreleaser.yaml

@@ -19,7 +19,7 @@ builds:
     ldflags:
       # use commit date instead of current date as main.date
       # only needed if you actually use those things in your main package, otherwise can be ignored.
-      - -s -w -X main.version={{.Version}} -X main.commit={{.Commit}} -X main.date={{ .CommitDate }}
+      - -s -w -X github.com/grepplabs/reverse-http/config.Version={{.Version}} -X github.com/grepplabs/reverse-http/config.Commit={{.Commit}} -X github.com/grepplabs/reverse-http/config.Date={{ .CommitDate }}
 
 # proxies from the go mod proxy before building
 # https://goreleaser.com/customization/gomod

Makefile

@@ -5,11 +5,15 @@
 ROOT_DIR      := $(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
 
 BUILD_FLAGS   ?=
-VERSION       = "0.0.1"
+VERSION       = "develop"
 BRANCH        = $(shell git rev-parse --abbrev-ref HEAD)
 REVISION      = $(shell git describe --tags --always --dirty)
 BUILD_DATE    = $(shell date +'%Y.%m.%d-%H:%M:%S')
-LDFLAGS       ?= -w -s
+LDFLAGS       ?= -w -s \
+	-X github.com/grepplabs/reverse-http/config.Version=${VERSION} \
+	-X github.com/grepplabs/reverse-http/config.Commit=${REVISION} \
+	-X github.com/grepplabs/reverse-http/config.Date=${BUILD_DATE}
+
 BINARY        = reverse-http
 
 TEST_AGENT_ID   = 4711

cmd/root.go

@@ -1,6 +1,7 @@
 package cmd
 
 import (
+	"encoding/json"
 	"fmt"
 	"os"
 
@@ -20,6 +21,9 @@ type CLI struct {
 	Proxy        config.ProxyCmd        `name:"proxy" cmd:"" help:"Start proxy server."`
 	LoadBalancer config.LoadBalancerCmd `name:"lb" cmd:"" help:"Start load balancer."`
 	Auth         config.AuthCmd         `name:"auth" cmd:"" help:"auth tools."`
+	Version      struct {
+		Verbose bool `short:"V" help:"Verbose."`
+	} `name:"version" cmd:"" help:"Show version"`
 }
 
 func Execute() {
@@ -51,6 +55,16 @@ func Execute() {
 	case "auth jwt token":
 		err := runAuthJwtToken(&cli.Auth.JwtCmd.TokenCmd)
 		ctx.FatalIfErrorf(err)
+	case "version":
+		if cli.Version.Verbose {
+			_ = json.NewEncoder(os.Stdout).Encode(map[string]any{
+				"version": config.Version,
+				"commit":  config.Commit,
+				"date":    config.Date,
+			})
+		} else {
+			fmt.Println(config.Version)
+		}
 	default:
 		fmt.Println(ctx.Command())
 		os.Exit(1)

config/version.go

@@ -0,0 +1,7 @@
+package config
+
+var (
+	Version = "dev"
+	Commit  = "none"
+	Date    = "unknown"
+)