add 1.8.0 to CHANGELOG

fix date of 1.7.3

.gitignore

@@ -26,3 +26,6 @@ go.work
 
 # Added by goreleaser init:
 dist/
+
+# env files
+.envrc

.golangci.yml

@@ -6,7 +6,7 @@ run:
   go: '1.24'
 
 linters:
-  disable: [errcheck, godot, misspell]
+  disable: [errcheck]
   enable:
     # Default enabled linters
     - errcheck # Check for unchecked errors

.goreleaser.yaml

@@ -22,6 +22,7 @@ builds:
     goos:
       - linux
       - windows
+      - darwin
     goarch:
       - amd64
 

CHANGELOG.md

@@ -11,6 +11,23 @@ Before any major/minor/patch bump all unit tests will be run to verify they pass
 
 -   [x]
 
+## [1.8.0] - 2026-02-18
+
+### Changed
+
+-   *--ports-mapping* flag has been replaced with *--port-map*, which may be called several times. See [Flags](https://github.com/onyx-and-iris/q3rcon-proxy?tab=readme-ov-file#flags).
+    -   This also affects the env variable which is now `Q3RCON_PORT_MAP`, see [Environment Variables](https://github.com/onyx-and-iris/q3rcon-proxy?tab=readme-ov-file#environment-variables)
+
+## [1.7.3] - 2026-02-16
+
+### Added
+
+- *--version/-v* flag for printing the version of the CLI.
+
+### Changed
+
+-   now using [charmbracelet/log][charmlog] package for logging.
+
 ## [1.7.0] - 2025-06-05
 
 ### Added
@@ -99,3 +116,4 @@ Before any major/minor/patch bump all unit tests will be run to verify they pass
 -   All source files for lilproxy including full commit history.
 
 [logrus]: https://github.com/sirupsen/logrus
+[charmlog]: https://github.com/charmbracelet/log

Makefile

@@ -6,7 +6,7 @@ BIN_DIR := bin
 WINDOWS=$(BIN_DIR)/$(PROGRAM)_windows_amd64.exe
 LINUX=$(BIN_DIR)/$(PROGRAM)_linux_amd64
 MACOS=$(BIN_DIR)/$(PROGRAM)_darwin_amd64
-VERSION=$(shell git log -n 1 --format=%h)
+VERSION=$(shell git describe --tags $(shell git rev-list --tags --max-count=1))
 
 .DEFAULT_GOAL := build
 

README.md

@@ -6,6 +6,8 @@ A modification of [lilproxy][lilproxy_url] that forwards only Q3 rcon/query pack
 
 Unfortunately the Q3Rcon engine ties the rcon port to the game servers public port used for client connections. This proxy will allow you to run rcon through a separate whitelisted port.
 
+---
+
 ### Use
 
 #### Flags
@@ -16,7 +18,7 @@ Unfortunately the Q3Rcon engine ties the rcon port to the game servers public po
 /usr/local/bin/q3rcon-proxy \
     --proxy-host=0.0.0.0 \
     --target-host=localhost \
-    --ports-mapping=28961:28960 \
+    --port-map=20000:28960 --port-map=20001:28961 --port-map=20002:28962 \
     --session-timeout=20 \
     --loglevel=debug
 ```
@@ -27,18 +29,25 @@ Each of the flags has a corresponding environment variable:
 
 -   `Q3RCON_PROXY_HOST`: The host the proxy server sits on.
 -   `Q3RCON_TARGET_HOST`: The host the game servers sit on.
--   `Q3RCON_PORTS_MAPPING`: A mapping as a string with `source:target` pairs delimited by `;`.
+-   `Q3RCON_PORT_MAP`: A mapping as a string with `source:target` pairs delimited by `,`.
 -   `Q3RCON_SESSION_TIMEOUT`: Timeout in seconds for each udp session.
 -   `Q3RCON_LOGLEVEL`: The application's logging level (see [Logging][logging]).
 
-Multiple rcon proxies may be configured by setting *--ports-mapping/Q3RCON_PORTS_MAPPING* like so:
+example .envrc:
 
-```console
-export Q3RCON_PORTS_MAPPING="20000:28960;20001:28961;20002:28962"
+```bash
+#!/usr/bin/env bash
+
+export Q3RCON_PROXY_HOST="0.0.0.0"
+export Q3RCON_TARGET_HOST="localhost"
+export Q3RCON_PORT_MAP="20000:28960,20001:28961,20002:28962"
+export Q3RCON_SESSION_TIMEOUT=20
 ```
 
 This would configure q3rcon-proxy to run 3 proxy servers listening on ports 20000, 20001 and 20002 that redirect rcon requests to game servers on ports 28960, 28961 and 28962 respectively.
 
+---
+
 ### Logging
 
 Set the log level with environment variable `Q3RCON_LOGLEVEL`.
@@ -55,6 +64,8 @@ Acceptable values are:
 
 If not set it will default to `info`.
 
+---
+
 ### Special Thanks
 
 [Dylan][user_link] For writing [lilproxy][lilproxy_url].

Taskfile.yml

@@ -11,8 +11,8 @@ vars:
   WINDOWS: '{{.BIN_DIR}}/{{.PROGRAM}}_windows_amd64.exe'
   LINUX: '{{.BIN_DIR}}/{{.PROGRAM}}_linux_amd64'
   MACOS: '{{.BIN_DIR}}/{{.PROGRAM}}_darwin_amd64'
-  GIT_COMMIT:
-    sh: git log -n 1 --format=%h
+  VERSION:
+    sh: 'git describe --tags $(git rev-list --tags --max-count=1)'
 
 tasks:
   default:
@@ -42,19 +42,19 @@ tasks:
   build-windows:
     desc: Build the q3rcon-proxy project for Windows
     cmds:
-      - GOOS=windows GOARCH=amd64 go build -o {{.WINDOWS}} -ldflags="-X main.Version={{.GIT_COMMIT}}" ./cmd/{{.PROGRAM}}/
+      - GOOS=windows GOARCH=amd64 go build -o {{.WINDOWS}} -ldflags="-X main.version={{.VERSION}}" ./cmd/{{.PROGRAM}}/
     internal: true
 
   build-linux:
     desc: Build the q3rcon-proxy project for Linux
     cmds:
-      - GOOS=linux GOARCH=amd64 go build -o {{.LINUX}} -ldflags="-X main.Version={{.GIT_COMMIT}}" ./cmd/{{.PROGRAM}}/
+      - GOOS=linux GOARCH=amd64 go build -o {{.LINUX}} -ldflags="-X main.version={{.VERSION}}" ./cmd/{{.PROGRAM}}/
     internal: true
 
   build-macos:
     desc: Build the q3rcon-proxy project for macOS
     cmds:
-      - GOOS=darwin GOARCH=amd64 go build -o {{.MACOS}} -ldflags="-X main.Version={{.GIT_COMMIT}}" ./cmd/{{.PROGRAM}}/
+      - GOOS=darwin GOARCH=amd64 go build -o {{.MACOS}} -ldflags="-X main.version={{.VERSION}}" ./cmd/{{.PROGRAM}}/
     internal: true
 
   test:
@@ -74,6 +74,6 @@ tasks:
         go run ./cmd/{{.PROGRAM}} \
         --proxy-host=0.0.0.0 \
         --target-host=localhost \
-        --ports-mapping=28961:28960 \
+        --port-map=28961:28960 \
         --session-timeout=20 \
         --loglevel=debug

cmd/q3rcon-proxy/main.go

@@ -5,16 +5,32 @@ import (
 	"context"
 	"fmt"
 	"os"
+	"runtime/debug"
 	"strconv"
 	"strings"
 	"time"
 
-	log "github.com/sirupsen/logrus"
+	"github.com/charmbracelet/log"
 	"github.com/urfave/cli/v3"
 
 	udpproxy "github.com/onyx-and-iris/q3rcon-proxy"
 )
 
+var version string // Version holds the application version, set at build time using ldflags.
+
+// versionFromBuild retrieves the version information from the build metadata.
+func versionFromBuild() string {
+	if version != "" {
+		return version
+	}
+
+	info, ok := debug.ReadBuildInfo()
+	if !ok {
+		return "(unable to read version)"
+	}
+	return strings.Split(info.Main.Version, "-")[0]
+}
+
 // proxyConfig holds the configuration for a single UDP proxy server.
 type proxyConfig struct {
 	proxyHost      string
@@ -24,9 +40,14 @@ type proxyConfig struct {
 }
 
 func main() {
+	cli.VersionPrinter = func(cmd *cli.Command) {
+		fmt.Printf("q3rcon-proxy version: %s\n", cmd.Root().Version)
+	}
+
 	cmd := &cli.Command{
 		Name:    "q3rcon-proxy",
 		Usage:   "A Quake 3 RCON proxy server",
+		Version: versionFromBuild(),
 		Flags: []cli.Flag{
 			&cli.StringFlag{
 				Name:    "proxy-host",
@@ -40,32 +61,47 @@ func main() {
 				Usage:   "Target host address",
 				Sources: cli.EnvVars("Q3RCON_TARGET_HOST"),
 			},
-			&cli.StringFlag{
-				Name:     "ports-mapping",
-				Usage:    "Proxy and target ports (proxy:target)",
-				Sources:  cli.EnvVars("Q3RCON_PORTS_MAPPING"),
+			&cli.StringSliceFlag{
+				Name:     "port-map",
+				Usage:    "Ports mapping in the format proxyPort:targetPort (e.g., 27950:27960)",
+				Sources:  cli.EnvVars("Q3RCON_PORT_MAP"),
 				Required: true,
-				Action: func(_ context.Context, _ *cli.Command, v string) error {
-					// Validate the ports mapping
-					for mapping := range strings.SplitSeq(v, ";") {
-						ports := strings.Split(mapping, ":")
-						if len(ports) != 2 {
-							return fmt.Errorf("invalid ports mapping: %s", mapping)
+				Action: func(_ context.Context, cmd *cli.Command, v []string) error {
+					// Validate the ports mapping format and values
+					for _, mapping := range v {
+						src, dst := func(m string) (string, string) {
+							parts := strings.Split(m, ":")
+							if len(parts) != 2 {
+								return "", ""
 							}
-						proxyPort, err := strconv.Atoi(ports[0])
-						if err != nil || proxyPort < 1 || proxyPort > 65535 {
-							return fmt.Errorf("invalid proxy port: %s", ports[0])
-						}
-						targetPort, err := strconv.Atoi(ports[1])
-						if err != nil || targetPort < 1 || targetPort > 65535 {
-							return fmt.Errorf("invalid target port: %s", ports[1])
-						}
-						if proxyPort == targetPort {
+							return parts[0], parts[1]
+						}(mapping)
+
+						if src == "" || dst == "" {
 							return fmt.Errorf(
-								"proxy and target ports cannot be the same: %s",
+								"invalid ports mapping: %s (expected format: proxyPort:targetPort)",
 								mapping,
 							)
 						}
+						n, err := strconv.Atoi(src)
+						if err != nil || n <= 0 || n > 65535 {
+							return fmt.Errorf("invalid proxy port: %s", src)
+						}
+						n, err = strconv.Atoi(dst)
+						if err != nil || n <= 0 || n > 65535 {
+							return fmt.Errorf("invalid target port: %s", dst)
+						}
+						if src == dst {
+							return fmt.Errorf(
+								"proxy port and target port cannot be the same: %s",
+								src,
+							)
+						}
+						log.Debugf(
+							"Validated ports mapping: proxy port %s -> target port %s",
+							src,
+							dst,
+						)
 					}
 					return nil
 				},
@@ -94,7 +130,7 @@ func main() {
 		Action: func(_ context.Context, cmd *cli.Command) error {
 			errChan := make(chan error)
 
-			for mapping := range strings.SplitSeq(cmd.String("ports-mapping"), ";") {
+			for _, mapping := range cmd.StringSlice("port-map") {
 				cfg := proxyConfig{
 					proxyHost:      cmd.String("proxy-host"),
 					targetHost:     cmd.String("target-host"),
@@ -111,10 +147,12 @@ func main() {
 		},
 	}
 
-	log.Fatal(cmd.Run(context.Background(), os.Args))
+	if err := cmd.Run(context.Background(), os.Args); err != nil {
+		log.Fatal(err)
+	}
 }
 
-// launchProxy initializes the UDP proxy server with the given configuration.
+// launchProxy initialises the UDP proxy server with the given configuration.
 // It listens on the specified proxy host and port, and forwards traffic to the target host and port.
 // server.ListenAndServe blocks until the server is stopped or an error occurs.
 func launchProxy(cfg proxyConfig, errChan chan<- error) {
@@ -131,7 +169,7 @@ func launchProxy(cfg proxyConfig, errChan chan<- error) {
 		return
 	}
 
-	log.Printf("q3rcon-proxy initialized: [proxy] (%s) [target] (%s)", hostAddr, proxyAddr)
+	log.Infof("q3rcon-proxy initialised: [proxy] (%s) [target] (%s)", hostAddr, proxyAddr)
 
 	errChan <- server.ListenAndServe()
 }

go.mod

@@ -5,8 +5,24 @@ go 1.24.0
 toolchain go1.24.1
 
 require (
-	github.com/sirupsen/logrus v1.9.4
+	github.com/charmbracelet/log v0.4.2
 	github.com/urfave/cli/v3 v3.6.2
 )
 
-require golang.org/x/sys v0.41.0 // indirect
+require (
+	github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
+	github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc // indirect
+	github.com/charmbracelet/lipgloss v1.1.0 // indirect
+	github.com/charmbracelet/x/ansi v0.8.0 // indirect
+	github.com/charmbracelet/x/cellbuf v0.0.13-0.20250311204145-2c3ea96c31dd // indirect
+	github.com/charmbracelet/x/term v0.2.1 // indirect
+	github.com/go-logfmt/logfmt v0.6.0 // indirect
+	github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/mattn/go-runewidth v0.0.16 // indirect
+	github.com/muesli/termenv v0.16.0 // indirect
+	github.com/rivo/uniseg v0.4.7 // indirect
+	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
+	golang.org/x/exp v0.0.0-20231006140011-7918f672742d // indirect
+	golang.org/x/sys v0.41.0 // indirect
+)

go.sum

@@ -1,13 +1,43 @@
+github.com/aymanbagabas/go-osc52/v2 v2.0.1 h1:HwpRHbFMcZLEVr42D4p7XBqjyuxQH5SMiErDT4WkJ2k=
+github.com/aymanbagabas/go-osc52/v2 v2.0.1/go.mod h1:uYgXzlJ7ZpABp8OJ+exZzJJhRNQ2ASbcXHWsFqH8hp8=
+github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc h1:4pZI35227imm7yK2bGPcfpFEmuY1gc2YSTShr4iJBfs=
+github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc/go.mod h1:X4/0JoqgTIPSFcRA/P6INZzIuyqdFY5rm8tb41s9okk=
+github.com/charmbracelet/lipgloss v1.1.0 h1:vYXsiLHVkK7fp74RkV7b2kq9+zDLoEU4MZoFqR/noCY=
+github.com/charmbracelet/lipgloss v1.1.0/go.mod h1:/6Q8FR2o+kj8rz4Dq0zQc3vYf7X+B0binUUBwA0aL30=
+github.com/charmbracelet/log v0.4.2 h1:hYt8Qj6a8yLnvR+h7MwsJv/XvmBJXiueUcI3cIxsyig=
+github.com/charmbracelet/log v0.4.2/go.mod h1:qifHGX/tc7eluv2R6pWIpyHDDrrb/AG71Pf2ysQu5nw=
+github.com/charmbracelet/x/ansi v0.8.0 h1:9GTq3xq9caJW8ZrBTe0LIe2fvfLR/bYXKTx2llXn7xE=
+github.com/charmbracelet/x/ansi v0.8.0/go.mod h1:wdYl/ONOLHLIVmQaxbIYEC/cRKOQyjTkowiI4blgS9Q=
+github.com/charmbracelet/x/cellbuf v0.0.13-0.20250311204145-2c3ea96c31dd h1:vy0GVL4jeHEwG5YOXDmi86oYw2yuYUGqz6a8sLwg0X8=
+github.com/charmbracelet/x/cellbuf v0.0.13-0.20250311204145-2c3ea96c31dd/go.mod h1:xe0nKWGd3eJgtqZRaN9RjMtK7xUYchjzPr7q6kcvCCs=
+github.com/charmbracelet/x/term v0.2.1 h1:AQeHeLZ1OqSXhrAWpYUtZyX1T3zVxfpZuEQMIQaGIAQ=
+github.com/charmbracelet/x/term v0.2.1/go.mod h1:oQ4enTYFV7QN4m0i9mzHrViD7TQKvNEEkHUMCmsxdUg=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/go-logfmt/logfmt v0.6.0 h1:wGYYu3uicYdqXVgoYbvnkrPVXkuLM1p1ifugDMEdRi4=
+github.com/go-logfmt/logfmt v0.6.0/go.mod h1:WYhtIu8zTZfxdn5+rREduYbwxfcBr/Vr6KEVveWlfTs=
+github.com/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69Aj6K7nkY=
+github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
+github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
+github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
+github.com/mattn/go-runewidth v0.0.16 h1:E5ScNMtiwvlvB5paMFdw9p4kSQzbXFikJ5SQO6TULQc=
+github.com/mattn/go-runewidth v0.0.16/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
+github.com/muesli/termenv v0.16.0 h1:S5AlUN9dENB57rsbnkPyfdGuWIlkmzJjbFf0Tf5FWUc=
+github.com/muesli/termenv v0.16.0/go.mod h1:ZRfOIKPFDYQoDFF4Olj7/QJbW60Ol/kL1pU3VfY/Cnk=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/sirupsen/logrus v1.9.4 h1:TsZE7l11zFCLZnZ+teH4Umoq5BhEIfIzfRDZ1Uzql2w=
-github.com/sirupsen/logrus v1.9.4/go.mod h1:ftWc9WdOfJ0a92nsE2jF5u5ZwH8Bv2zdeOC42RjbV2g=
+github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
+github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ=
+github.com/rivo/uniseg v0.4.7/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
 github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
 github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
 github.com/urfave/cli/v3 v3.6.2 h1:lQuqiPrZ1cIz8hz+HcrG0TNZFxU70dPZ3Yl+pSrH9A8=
 github.com/urfave/cli/v3 v3.6.2/go.mod h1:ysVLtOEmg2tOy6PknnYVhDoouyC/6N42TMeoMzskhso=
+github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e h1:JVG44RsyaB9T2KIHavMF/ppJZNG9ZpyihvCd0w101no=
+github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e/go.mod h1:RbqR21r5mrJuqunuUZ/Dhy/avygyECGrLceyNeo4LiM=
+golang.org/x/exp v0.0.0-20231006140011-7918f672742d h1:jtJma62tbqLibJ5sFQz8bKtEM8rJBtfilJ2qTU199MI=
+golang.org/x/exp v0.0.0-20231006140011-7918f672742d/go.mod h1:ldy0pHrwJyGW56pPQzzkH36rKxoZW1tw7ZJpeKx+hdo=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.41.0 h1:Ivj+2Cp/ylzLiEU89QhWblYnOE9zerudt9Ftecq2C6k=
 golang.org/x/sys v0.41.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=

option.go

@@ -3,13 +3,13 @@ package udpproxy
 import (
 	"time"
 
-	log "github.com/sirupsen/logrus"
+	"github.com/charmbracelet/log"
 )
 
 // Option is a functional option type that allows us to configure the Client.
 type Option func(*Client)
 
-// WithSessionTimeout is a functional option to set the session timeout
+// WithSessionTimeout is a functional option to set the session timeout.
 func WithSessionTimeout(timeout time.Duration) Option {
 	return func(c *Client) {
 		if timeout < time.Minute {

session.go

@@ -7,7 +7,7 @@ import (
 	"strings"
 	"time"
 
-	log "github.com/sirupsen/logrus"
+	"github.com/charmbracelet/log"
 )
 
 type session struct {

sessioncache.go

@@ -2,7 +2,7 @@ package udpproxy
 
 import "sync"
 
-// sessionCache tracks connection sessions
+// sessionCache tracks connection sessions.
 type sessionCache struct {
 	mu   sync.RWMutex
 	data map[string]*session
@@ -15,7 +15,7 @@ func newSessionCache() sessionCache {
 	}
 }
 
-// read returns the associated session for an addr
+// read returns the associated session for an addr.
 func (sc *sessionCache) read(addr string) (*session, bool) {
 	sc.mu.RLock()
 	defer sc.mu.RUnlock()

udpproxy.go

@@ -6,7 +6,7 @@ import (
 	"net"
 	"time"
 
-	log "github.com/sirupsen/logrus"
+	"github.com/charmbracelet/log"
 )
 
 // Client represents a UDP proxy server that forwards rcon and query packets between clients and a target server.
@@ -87,7 +87,7 @@ func (c *Client) pruneSessions() {
 		for _, session := range c.sessionCache.data {
 			if time.Since(session.updateTime) > c.sessionTimeout {
 				c.sessionCache.delete(session.caddr.String())
-				log.Tracef("session for %s deleted", session.caddr)
+				log.Debugf("session for %s deleted", session.caddr)
 			}
 		}
 	}