Merge pull request #40 from nginx-proxy/nocolor

feat: disable colored output if NO_COLOR is defined

.github/workflows/build-publish.yml

@@ -70,6 +70,7 @@ jobs:
         uses: docker/build-push-action@v5
         with:
           context: .
+          build-args: FOREGO_VERSION=${{ steps.forego_version.outputs.VERSION }}
           platforms: linux/386,linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64,linux/ppc64le,linux/s390x
           file: Dockerfile.${{ matrix.base }}
           sbom: true

Dockerfile.alpine

@@ -1,9 +1,11 @@
+ARG FOREGO_VERSION=main
+
 # Build forego
 FROM --platform=$BUILDPLATFORM golang:1.21.5-alpine as go-builder
 
 ENV CGO_ENABLED=0
 
-ARG TARGETOS TARGETARCH TARGETVARIANT
+ARG FOREGO_VERSION TARGETOS TARGETARCH TARGETVARIANT
 ENV GOOS=$TARGETOS GOARCH=$TARGETARCH VARIANT=$TARGETVARIANT
 
 RUN apk add --no-cache musl-dev
@@ -21,11 +23,14 @@ RUN set -eu; \
 		*) [ -z "$VARIANT" ] ;; \
 	esac; \
 	go env | grep -E 'OS=|ARCH=|ARM=|AMD64='; \
-	go build -o forego .; \
+	go build -ldflags "-X main.buildVersion=${FOREGO_VERSION}" -o forego .; \
 	go clean -cache
 
 FROM --platform=$TARGETPLATFORM alpine:3.19.0
 
+ARG FOREGO_VERSION
+ENV FOREGO_VERSION=${FOREGO_VERSION}
+
 RUN apk add --no-cache bash
 
 # Install Forego

Dockerfile.debian

@@ -1,9 +1,11 @@
+ARG FOREGO_VERSION=main
+
 # Build forego
 FROM --platform=$BUILDPLATFORM golang:1.21.5 as go-builder
 
 ENV CGO_ENABLED=0
 
-ARG TARGETOS TARGETARCH TARGETVARIANT
+ARG FOREGO_VERSION TARGETOS TARGETARCH TARGETVARIANT
 ENV GOOS=$TARGETOS GOARCH=$TARGETARCH VARIANT=$TARGETVARIANT
 
 WORKDIR /build
@@ -19,11 +21,14 @@ RUN set -eu; \
 		*) [ -z "$VARIANT" ] ;; \
 	esac; \
 	go env | grep -E 'OS=|ARCH=|ARM=|AMD64='; \
-	go build -o forego .; \
+	go build -ldflags "-X main.buildVersion=${FOREGO_VERSION}" -o forego .; \
 	go clean -cache
 
 FROM --platform=$TARGETPLATFORM debian:12.4-slim
 
+ARG FOREGO_VERSION
+ENV FOREGO_VERSION=${FOREGO_VERSION}
+
 # Install Forego
 COPY --from=go-builder /build/forego /usr/local/bin/forego
 

Makefile

@@ -1,6 +1,9 @@
 BIN = forego
 SRC = $(shell find . -name '*.go')
 
+TAG:=`git describe --tags`
+LDFLAGS:=-X main.buildVersion=$(TAG)
+
 .PHONY: all build clean lint test
 
 all: build
@@ -20,4 +23,4 @@ test: lint get-deps build
 	go test -v -race -cover ./...
 
 $(BIN): $(SRC)
-	go build -o $@
+	go build -ldflags "$(LDFLAGS)" -o $@

go.mod

@@ -7,4 +7,9 @@ require (
 	github.com/subosito/gotenv v1.6.0
 )
 
-require golang.org/x/text v0.12.0 // indirect
+require (
+	golang.org/x/crypto v0.17.0 // indirect
+	golang.org/x/sys v0.15.0 // indirect
+	golang.org/x/term v0.15.0 // indirect
+	golang.org/x/text v0.14.0 // indirect
+)

go.sum

@@ -10,6 +10,14 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 github.com/stretchr/testify v1.7.5 h1:s5PTfem8p8EbKQOctVV53k6jCJt3UX4IEJzwh+C324Q=
 github.com/subosito/gotenv v1.6.0 h1:9NlTDc1FTs4qu0DDq7AEtTPNw6SVm7uBMsUCUjABIf8=
 github.com/subosito/gotenv v1.6.0/go.mod h1:Dk4QP5c2W3ibzajGcXpNraDfq2IrhjMIvMSWPKKo0FU=
+golang.org/x/crypto v0.17.0 h1:r8bRNjWL3GshPW3gkd+RpvzWrZAwPS49OmTGZ/uhM4k=
+golang.org/x/crypto v0.17.0/go.mod h1:gCAAfMLgwOJRpTjQ2zCCt2OcSfYMTeZVSRtQlPC7Nq4=
+golang.org/x/sys v0.15.0 h1:h48lPFYpsTvQJZF4EKyI4aLHaev3CxivZmv7yZig9pc=
+golang.org/x/sys v0.15.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/term v0.15.0 h1:y/Oo/a/q3IXu26lQgl04j/gjuBDOBlx7X6Om1j2CPW4=
+golang.org/x/term v0.15.0/go.mod h1:BDl952bC7+uMoWR75FIrCDx79TPU9oHkTZ9yRbYOrX0=
 golang.org/x/text v0.12.0 h1:k+n5B8goJNdU7hSvEtMUz3d1Q6D/XW4COJSJR6fN0mc=
 golang.org/x/text v0.12.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
+golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
+golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=

outlet.go

@@ -12,7 +12,7 @@ import (
 )
 
 type OutletFactory struct {
-	Padding int
+	LeftFormatter string
 
 	sync.Mutex
 }
@@ -77,17 +77,20 @@ func (of *OutletFactory) WriteLine(left, right string, leftC, rightC ct.Color, i
 	of.Lock()
 	defer of.Unlock()
 
-	ct.ChangeColor(leftC, true, ct.None, false)
-	formatter := fmt.Sprintf("%%-%ds | ", of.Padding)
-	fmt.Printf(formatter, left)
+	if colorize {
+		ct.ChangeColor(leftC, true, ct.None, false)
+	}
+	fmt.Printf(of.LeftFormatter, left)
 
-	if isError {
-		ct.ChangeColor(ct.Red, true, ct.None, true)
-	} else {
-		ct.ResetColor()
+	if colorize {
+		if isError {
+			ct.ChangeColor(rightC, true, ct.None, true)
+		} else {
+			ct.ResetColor()
+		}
 	}
 	fmt.Println(right)
-	if isError {
+	if colorize && isError {
 		ct.ResetColor()
 	}
 }

start.go

@@ -11,6 +11,8 @@ import (
 	"sync"
 	"syscall"
 	"time"
+
+	"golang.org/x/crypto/ssh/terminal"
 )
 
 const defaultPort = 5000
@@ -21,6 +23,7 @@ var flagConcurrency string
 var flagRestart bool
 var flagShutdownGraceTime int
 var envs envFiles
+var colorize bool
 
 var cmdStart = &Command{
 	Run:   runStart,
@@ -88,6 +91,7 @@ func init() {
 	cmdStart.Flag.IntVar(&flagShutdownGraceTime, "t", defaultShutdownGraceTime, "shutdown grace time")
 	err := readConfigFile(".forego", &flagProcfile, &flagPort, &flagConcurrency, &flagShutdownGraceTime)
 	handleError(err)
+	colorize = os.Getenv("NO_COLOR") == "" && terminal.IsTerminal(int(os.Stdout.Fd()))
 }
 
 func readConfigFile(config_path string, flagProcfile *string, flagPort *int, flagConcurrency *string, flagShutdownGraceTime *int) error {
@@ -277,7 +281,7 @@ func runStart(cmd *Command, args []string) {
 	handleError(err)
 
 	of := NewOutletFactory()
-	of.Padding = pf.LongestProcessName(concurrency)
+	of.LeftFormatter = fmt.Sprintf("%%-%ds | ", pf.LongestProcessName(concurrency))
 
 	f := &Forego{
 		outletFactory: of,

unix.go

@@ -1,4 +1,4 @@
-// +build darwin freebsd linux netbsd openbsd
+//go:build darwin || freebsd || linux || netbsd || openbsd
 
 package main
 
@@ -7,7 +7,7 @@ import (
 	"syscall"
 )
 
-var osShell string = "bash"
+var osShell string = "/bin/sh"
 
 const osHaveSigTerm = true
 
@@ -16,8 +16,8 @@ func ShellInvocationCommand(interactive bool, root, command string) []string {
 	if interactive {
 		shellArgument = "-ic"
 	}
-	shellCommand := fmt.Sprintf("cd \"%s\"; source .profile 2>/dev/null; exec %s", root, command)
-	return []string{osShell, shellArgument, shellCommand}
+	shellCommand := fmt.Sprintf("cd \"$1\" || exit 66; test -f .profile && . ./.profile; exec %s", command)
+	return []string{osShell, shellArgument, shellCommand, "sh", root}
 }
 
 func (p *Process) PlatformSpecificInit() {