Update doc to include "program-args" example

Fix CI tasks

.github/workflows/release.yml

@@ -0,0 +1,37 @@
+name: goreleaser
+
+on:
+  push:
+    # run only against tags
+    tags:
+      - '*'
+
+permissions:
+  contents: write
+
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      -
+        name: Fetch all tags
+        run: git fetch --force --tags
+      -
+        name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.19
+      -
+        name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v2
+        with:
+          distribution: goreleaser
+          version: latest
+          args: release --rm-dist
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/workflow.yml

@@ -0,0 +1,39 @@
+name: dev-workflow
+
+on:
+  - push
+jobs:
+  run:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+          # - macos-latest
+          # - windows-latest
+        go:
+          - '1.19'
+          # - '1.18'
+          # - '1.17'
+          # - '1.16'
+          # - '1.15'
+    env:
+      OS: ${{ matrix.os }}
+    steps:
+    - uses: actions/checkout@master
+
+    - name: Setup Go
+      uses: actions/setup-go@v3
+      with:
+        go-version: ${{ matrix.go }}
+
+    - name: golangci-lint
+      uses: golangci/golangci-lint-action@v3
+      with:
+        version: v1.48
+
+    - name: Test
+      run: make test
+
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v3

.travis.yml

@@ -1,29 +0,0 @@
-language: go
-
-go:
-  # - 1.7.x
-  # - 1.8.x
-  # - 1.9.x
-  - 1.10.x
-  # - master
-
-before_script:
-  - go version
-  - make setup
-  - make lint
-
-script:
-  - make test
-
-after_success:
-  - bash <(curl -s https://codecov.io/bash)
-
-notifications:
-  email: false
-
-deploy:
-  - provider: script
-    skip_cleanup: true
-    script: curl -sL http://git.io/goreleaser | bash
-    on:
-      tags: true

CONTRIBUTING.md

@@ -28,7 +28,13 @@ make setup
 ### Running gaper in development
 
 ```
-make build && ./gaper --verbose --bin-name srv --build-path ./testdata/server
+make build && \
+	./gaper \
+	--verbose \
+	--bin-name srv \
+	--build-path ./testdata/server \
+	--build-args="-ldflags=\"-X 'main.Version=v1.0.0'\"" \
+	--extensions "go,txt"
 ```
 
 ### Running lint
@@ -49,3 +55,6 @@ A single test:
 go test -run TestSimplePost ./...
 ```
 
+### Release
+
+The release runs automatically with a Github action on pushed git tags.

Gopkg.lock

@@ -1,81 +0,0 @@
-# This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.
-
-
-[[projects]]
-  name = "github.com/davecgh/go-spew"
-  packages = ["spew"]
-  revision = "346938d642f2ec3594ed81d874461961cd0faa76"
-  version = "v1.1.0"
-
-[[projects]]
-  name = "github.com/fatih/color"
-  packages = ["."]
-  revision = "5b77d2a35fb0ede96d138fc9a99f5c9b6aef11b4"
-  version = "v1.7.0"
-
-[[projects]]
-  name = "github.com/mattn/go-colorable"
-  packages = ["."]
-  revision = "167de6bfdfba052fa6b2d3664c8f5272e23c9072"
-  version = "v0.0.9"
-
-[[projects]]
-  name = "github.com/mattn/go-isatty"
-  packages = ["."]
-  revision = "0360b2af4f38e8d38c7fce2a9f4e702702d73a39"
-  version = "v0.0.3"
-
-[[projects]]
-  name = "github.com/mattn/go-shellwords"
-  packages = ["."]
-  revision = "02e3cf038dcea8290e44424da473dd12be796a8a"
-  version = "v1.0.3"
-
-[[projects]]
-  branch = "master"
-  name = "github.com/mattn/go-zglob"
-  packages = [
-    ".",
-    "fastwalk"
-  ]
-  revision = "49693fbb3fe3c3a75fc4e4d6fb1d7cedcbdeb385"
-
-[[projects]]
-  name = "github.com/pmezard/go-difflib"
-  packages = ["difflib"]
-  revision = "792786c7400a136282c1664665ae0a8db921c6c2"
-  version = "v1.0.0"
-
-[[projects]]
-  name = "github.com/stretchr/objx"
-  packages = ["."]
-  revision = "477a77ecc69700c7cdeb1fa9e129548e1c1c393c"
-  version = "v0.1.1"
-
-[[projects]]
-  name = "github.com/stretchr/testify"
-  packages = [
-    "assert",
-    "mock"
-  ]
-  revision = "f35b8ab0b5a2cef36673838d662e249dd9c94686"
-  version = "v1.2.2"
-
-[[projects]]
-  name = "github.com/urfave/cli"
-  packages = ["."]
-  revision = "cfb38830724cc34fedffe9a2a29fb54fa9169cd1"
-  version = "v1.20.0"
-
-[[projects]]
-  branch = "master"
-  name = "golang.org/x/sys"
-  packages = ["unix"]
-  revision = "6c888cc515d3ed83fc103cf1d84468aad274b0a7"
-
-[solve-meta]
-  analyzer-name = "dep"
-  analyzer-version = 1
-  inputs-digest = "8446ff85ebcb6bc802d3f444727c3910444a405f3c073c1095eb5cc8c497138b"
-  solver-name = "gps-cdcl"
-  solver-version = 1

Gopkg.toml

@@ -1,23 +0,0 @@
-[[constraint]]
-  name = "github.com/fatih/color"
-  version = "1.7.0"
-
-[[constraint]]
-  name = "github.com/mattn/go-shellwords"
-  version = "1.0.3"
-
-[[constraint]]
-  name = "github.com/urfave/cli"
-  version = "1.20.0"
-
-[prune]
-  go-tests = true
-  unused-packages = true
-
-[[constraint]]
-  branch = "master"
-  name = "github.com/mattn/go-zglob"
-
-[[constraint]]
-  name = "github.com/stretchr/testify"
-  version = "1.2.2"

Makefile

@@ -3,32 +3,14 @@ TEST_PACKAGES	:= $(shell go list ./... | grep -v cmd)
 COVER_PACKAGES	:= $(shell go list ./... | grep -v cmd | paste -sd "," -)
 LINTER		:= $(shell command -v gometalinter 2> /dev/null)
 
-.PHONY: setup
-
-setup:
-ifeq ($(OS), Darwin)
-	brew install dep
-else
-	curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
-endif
-	dep ensure -vendor-only
-ifndef LINTER
-	@echo "Installing linter"
-	@go get -u github.com/alecthomas/gometalinter
-	@gometalinter --install
-endif
-
 build:
 	@go build -o ./gaper cmd/gaper/main.go
 
 ## lint: Validate golang code
+# Install it following this doc https://golangci-lint.run/usage/install/#local-installation,
+# please use the same version from .github/workflows/workflow.yml.
 lint:
-	@gometalinter \
-		--deadline=120s \
-		--line-length=120 \
-		--enable-all \
-		--disable=gochecknoinits --disable=gochecknoglobals \
-		--vendor ./...
+	@golangci-lint run
 
 test:
 	@go test -p=1 -coverpkg $(COVER_PACKAGES) \

README.md

@@ -18,15 +18,23 @@
 [![Go Report Card](https://goreportcard.com/badge/github.com/maxcnunes/gaper)](https://goreportcard.com/report/github.com/maxcnunes/gaper)
 [![Powered By: GoReleaser](https://img.shields.io/badge/powered%20by-goreleaser-green.svg?style=flat-square)](https://github.com/goreleaser)
 
+## Changelog
+
+See [Releases](https://github.com/maxcnunes/gaper/releases) for detailed history changes.
+
 ## Installation
 
+Using go tooling:
+
 ```
 go get -u github.com/maxcnunes/gaper/cmd/gaper
 ```
 
-## Changelog
+Or, downloading the binary instead (example for version 1.1.0, make sure you are using the latest version though):
 
-See [Releases](https://github.com/maxcnunes/gaper/releases) for detailed history changes.
+```
+curl -SL https://github.com/maxcnunes/gaper/releases/download/v1.1.0/gaper_1.1.0_linux_amd64.tar.gz | tar -xvzf - -C "${GOPATH}/bin"
+```
 
 ## Usage
 
@@ -53,7 +61,7 @@ GLOBAL OPTIONS:
    --watch value, -w value          list of folders or files to watch for changes
    --ignore value, -i value         list of folders or files to ignore for changes
    --poll-interval value, -p value  how often in milliseconds to poll watched files for changes (default: 500)
-   --extensions value, -e value     a comma-delimited list of file extensions to watch for changes (default: "go")
+   --extensions value, -e value     extensions to watch for changes (default: "go")
    --no-restart-on value, -n value  don't automatically restart the supervised program if it ends:
                                       if "error", an exit code of 0 will still restart.
                                       if "exit", no restart regardless of exit code.
@@ -62,7 +70,15 @@ GLOBAL OPTIONS:
    --version, -v                    print the version
 ```
 
-Since in most projects there is no need to watch changes of:
+### Watch and Ignore paths
+
+For those options Gaper supports static paths (e.g. `build/`, `seed.go`) or glob paths (e.g. `migrations/**/up.go`, `*_test.go`).
+
+On using a path to a directory please add a `/` at the end (e.g. `build/`) to make sure Gaper won't include other matches that starts with that same value (e.g. `build/`, `build_settings.go`).
+
+### Default ignore settings
+
+Since in most projects there is no need to watch changes for:
 
 * hidden files and folders
 * test files (`*_test.go`)
@@ -70,6 +86,10 @@ Since in most projects there is no need to watch changes of:
 
 Gaper by default ignores those cases already. Although, if you need Gaper to watch those files anyway it is possible to disable this setting with `--disable-default-ignore` argument.
 
+### Watch method
+
+Currently Gaper uses polling to watch file changes. We have plans to [support fs events](https://github.com/maxcnunes/gaper/issues/12) though in a near future.
+
 ### Examples
 
 Using all defaults provided by Gaper:
@@ -78,12 +98,18 @@ Using all defaults provided by Gaper:
 gaper
 ```
 
-Ignore watch over all test files:
-
-> no need for this in case if you are not using `--disable-default-ignore`
+Example providing a few custom configurations:
 
 ```
---ignore './**/*_test.go'
+gaper \
+    --bin-name build/api-dev \
+    --build-path cmd/server \
+    --build-args "-ldflags=\"-X 'main.Version=dev'" \
+    -w 'public/**' -w '*.go' \
+    -e js -e css -e html \
+    --ignore './**/*_mock.go' \
+    --program-args "-arg1 ok -arg2=nope" \
+    --watch .
 ```
 
 ## Contributing

appveyor.yml

@@ -1,31 +0,0 @@
-version: "{build}"
-
-# Source Config
-
-clone_folder: c:\gopath\src\github.com\maxcnunes\gaper
-
-# Build host
-
-environment:
-  GOPATH: c:\gopath
-  GOBIN: c:\gopath\bin
-
-init:
-  - git config --global core.autocrlf input
-
-# Build
-
-install:
-  - set Path=c:\go\bin;c:\gopath\bin;%Path%
-  - go version
-  - go env
-  - go get -u github.com/golang/dep/cmd/dep
-  - choco install make
-  - make setup
-
-build: false
-deploy: false
-
-test_script:
-  - go build github.com/maxcnunes/gaper/cmd/gaper
-  - make test

builder.go

@@ -17,7 +17,6 @@ type Builder interface {
 type builder struct {
 	dir       string
 	binary    string
-	errors    string
 	wd        string
 	buildArgs []string
 }

builder_test.go

@@ -38,15 +38,13 @@ func TestBuilderFailureBuild(t *testing.T) {
 		t.Fatalf("couldn't get current working directory: %v", err)
 	}
 
-	absPathBuild := filepath.Join(wd, dir)
-
 	b := NewBuilder(dir, bin, wd, bArgs)
 	err = b.Build()
 	assert.NotNil(t, err, "build error")
 	assert.Equal(t, err.Error(), "build failed with exit status 2\n"+
-		"# _"+absPathBuild+"\n"+
+		"# github.com/maxcnunes/gaper/testdata/build-failure\n"+
 		"./main.go:4:6: func main must have no arguments and no return values\n"+
-		"./main.go:5:1: missing return at end of function\n")
+		"./main.go:5:1: missing return\n")
 }
 
 func TestBuilderDefaultBinName(t *testing.T) {

cmd/gaper/main.go

@@ -4,15 +4,15 @@ import (
 	"os"
 
 	"github.com/maxcnunes/gaper"
-	"github.com/urfave/cli"
+	"github.com/urfave/cli/v2"
 )
 
 // build info
 var (
-	// keep the version hardcoded because on installing it through "go get/install"
-	// it doesn't apply the build tags to override it. So, it is make easier for
-	// people using in that case to find out which version they are using
-	version = "1.0.2-dev"
+	// Version is hardcoded because when installing it through "go get/install"
+	// the build tags are not available to override it.
+	// Update it after every release.
+	version = "1.0.3-dev"
 )
 
 func main() {
@@ -41,69 +41,61 @@ func main() {
 	app.Usage = "Used to build and restart a Go project when it crashes or some watched file changes"
 	app.Version = version
 
-	app.Action = func(c *cli.Context) {
+	app.Action = func(c *cli.Context) error {
 		args := parseArgs(c)
 		chOSSiginal := make(chan os.Signal, 2)
 		logger.Verbose(loggerVerbose)
 
-		if err := gaper.Run(args, chOSSiginal); err != nil {
-			logger.Error(err)
-			os.Exit(1)
-		}
-	}
-
-	exts := make(cli.StringSlice, len(gaper.DefaultExtensions))
-	for i := range gaper.DefaultExtensions {
-		exts[i] = gaper.DefaultExtensions[i]
+		return gaper.Run(args, chOSSiginal)
 	}
 
 	// supported arguments
 	app.Flags = []cli.Flag{
-		cli.StringFlag{
+		&cli.StringFlag{
 			Name:  "bin-name",
 			Usage: "name for the binary built by gaper for the executed program (default current directory name)",
 		},
-		cli.StringFlag{
+		&cli.StringFlag{
 			Name:  "build-path",
 			Value: gaper.DefaultBuildPath,
 			Usage: "path to the program source code",
 		},
-		cli.StringFlag{
+		&cli.StringFlag{
 			Name:  "build-args",
 			Usage: "arguments used on building the program",
 		},
-		cli.StringFlag{
+		&cli.StringFlag{
 			Name:  "program-args",
 			Usage: "arguments used on executing the program",
 		},
-		cli.BoolFlag{
+		&cli.BoolFlag{
 			Name:  "verbose",
 			Usage: "turns on the verbose messages from gaper",
 		},
-		cli.BoolFlag{
+		&cli.BoolFlag{
 			Name:  "disable-default-ignore",
 			Usage: "turns off default ignore for hidden files and folders, \"*_test.go\" files, and vendor folder",
 		},
-		cli.StringSliceFlag{
+		&cli.StringSliceFlag{
 			Name:  "watch, w",
 			Usage: "list of folders or files to watch for changes",
 		},
-		cli.StringSliceFlag{
+		&cli.StringSliceFlag{
 			Name: "ignore, i",
 			Usage: "list of folders or files to ignore for changes\n" +
 				"\t\t(always ignores all hidden files and directories)",
 		},
-		cli.IntFlag{
+		&cli.IntFlag{
 			Name:  "poll-interval, p",
 			Value: gaper.DefaultPoolInterval,
 			Usage: "how often in milliseconds to poll watched files for changes",
 		},
-		cli.StringSliceFlag{
+		&cli.StringSliceFlag{
 			Name:  "extensions, e",
-			Value: &exts,
+			Value: cli.NewStringSlice(gaper.DefaultExtensions...),
 			Usage: "a comma-delimited list of file extensions to watch for changes",
 		},
-		cli.StringFlag{
+		&cli.StringFlag{
 			Name: "no-restart-on, n",
 			Usage: "don't automatically restart the supervised program if it ends:\n" +
 				"\t\tif \"error\", an exit code of 0 will still restart.\n" +

gaper.go

@@ -7,6 +7,7 @@ import (
 	"os"
 	"os/signal"
 	"path/filepath"
+	"strings"
 	"syscall"
 	"time"
 
@@ -59,6 +60,8 @@ func Run(cfg *Config, chOSSiginal chan os.Signal) error {
 		return err
 	}
 
+	logger.Debugf("Config: %+v", cfg)
+
 	wCfg := WatcherConfig{
 		DefaultIgnore: !cfg.DisableDefaultIgnore,
 		PollInterval:  cfg.PollInterval,
@@ -103,7 +106,8 @@ func run(cfg *Config, chOSSiginal chan os.Signal, builder Builder, runner Runner
 				continue
 			}
 
-			changeRestart = true
+			changeRestart = runner.IsRunning()
+
 			if err := restart(builder, runner); err != nil {
 				return err
 			}
@@ -205,6 +209,13 @@ func setupConfig(cfg *Config) error {
 		cfg.WatchItems = append(cfg.WatchItems, cfg.BuildPath)
 	}
 
+	var extensions []string
+	for i := range cfg.Extensions {
+		values := strings.Split(cfg.Extensions[i], ",")
+		extensions = append(extensions, values...)
+	}
+	cfg.Extensions = extensions
+
 	return nil
 }
 

go.mod

@@ -0,0 +1,16 @@
+module github.com/maxcnunes/gaper
+
+go 1.13
+
+require (
+	github.com/fatih/color v1.7.0
+	github.com/mattn/go-colorable v0.0.9 // indirect
+	github.com/mattn/go-isatty v0.0.3 // indirect
+	github.com/mattn/go-shellwords v1.0.3
+	github.com/mattn/go-zglob v0.0.0-20180607075734-49693fbb3fe3
+	github.com/stretchr/objx v0.1.1 // indirect
+	github.com/stretchr/testify v1.4.0
+	github.com/urfave/cli/v2 v2.11.1
+	golang.org/x/sys v0.0.0-20180616030259-6c888cc515d3 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+)

go.sum

@@ -0,0 +1,38 @@
+github.com/BurntSushi/toml v1.1.0/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
+github.com/cpuguy83/go-md2man/v2 v2.0.2 h1:p1EgwI/C7NhT0JmVkwCD2ZBK8j4aeHQX2pMHHBfMQ6w=
+github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/fatih/color v1.7.0 h1:DkWD4oS2D8LGGgTQ6IvwJJXSL5Vp2ffcQg58nFV38Ys=
+github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
+github.com/mattn/go-colorable v0.0.9 h1:UVL0vNpWh04HeJXV0KLcaT7r06gOH2l4OW6ddYRUIY4=
+github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
+github.com/mattn/go-isatty v0.0.3 h1:ns/ykhmWi7G9O+8a448SecJU3nSMBXJfqQkl0upE1jI=
+github.com/mattn/go-isatty v0.0.3/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
+github.com/mattn/go-shellwords v1.0.3 h1:K/VxK7SZ+cvuPgFSLKi5QPI9Vr/ipOf4C1gN+ntueUk=
+github.com/mattn/go-shellwords v1.0.3/go.mod h1:3xCvwCdWdlDJUrvuMn7Wuy9eWs4pE8vqg+NOMyg4B2o=
+github.com/mattn/go-zglob v0.0.0-20180607075734-49693fbb3fe3 h1:GWnsQiFbiQ7lREZbKkiJC6xxbymvny8GKtpdkPxjB6o=
+github.com/mattn/go-zglob v0.0.0-20180607075734-49693fbb3fe3/go.mod h1:9fxibJccNxU2cnpIKLRRFA7zX7qhkJIQWBb449FYHOo=
+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/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf35Ld67mk=
+github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/objx v0.1.1 h1:2vfRuCMp5sSVIDSqO8oNnWJq7mPa6KVP3iPIwFBuy8A=
+github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
+github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
+github.com/urfave/cli/v2 v2.11.1 h1:UKK6SP7fV3eKOefbS87iT9YHefv7iB/53ih6e+GNAsE=
+github.com/urfave/cli/v2 v2.11.1/go.mod h1:f8iq5LtQ/bLxafbdBSLPPNsgaW0l/2fYYEHhAyPlwvo=
+github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 h1:bAn7/zixMGCfxrRTfdpNzjtPYqr8smhKouy9mxVdGPU=
+github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673/go.mod h1:N3UwUGtsrSj3ccvlPHLoLsHnpR27oXr4ZE984MbSER8=
+golang.org/x/sys v0.0.0-20180616030259-6c888cc515d3 h1:FCfAlbS73+IQQJktaKGHldMdL2bGDVpm+OrCEbVz1f4=
+golang.org/x/sys v0.0.0-20180616030259-6c888cc515d3/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

runner.go

@@ -23,6 +23,7 @@ type Runner interface {
 	Kill() error
 	Errors() chan error
 	Exited() bool
+	IsRunning() bool
 	ExitStatus(err error) int
 }
 
@@ -108,6 +109,11 @@ func (r *runner) Exited() bool {
 	return r.command != nil && r.command.ProcessState != nil && r.command.ProcessState.Exited()
 }
 
+// IsRunning returns if the process is running
+func (r *runner) IsRunning() bool {
+	return r.command != nil && r.command.Process != nil && r.command.Process.Pid > 0
+}
+
 // Errors get errors occurred during the build
 func (r *runner) Errors() chan error {
 	return r.errors

testdata/mocks.go

@@ -57,6 +57,12 @@ func (m *MockRunner) Exited() bool {
 	return args.Bool(0)
 }
 
+// IsRunning ...
+func (m *MockRunner) IsRunning() bool {
+	args := m.Called()
+	return args.Bool(0)
+}
+
 // ExitStatus ...
 func (m *MockRunner) ExitStatus(err error) int {
 	args := m.Called()

testdata/server/data.txt

@@ -0,0 +1 @@
+test

testdata/server/main.go

@@ -7,6 +7,8 @@ import (
 	"net/http"
 )
 
+var Version string
+
 func main() {
 	http.HandleFunc("/foo", func(w http.ResponseWriter, r *http.Request) {
 		fmt.Fprintf(w, "Hello, %q", html.EscapeString(r.URL.Path)) // nolint gas
@@ -16,6 +18,6 @@ func main() {
 		log.Fatal("Forced failure")
 	})
 
-	log.Println("Starting server")
+	log.Println("Starting server: Version", Version)
 	log.Fatal(http.ListenAndServe(":8080", nil))
 }

watcher.go

@@ -118,6 +118,11 @@ func (w *watcher) scanChange(watchPath string) (string, error) {
 
 	err := filepath.Walk(watchPath, func(path string, info os.FileInfo, err error) error {
 		if err != nil {
+			// Ignore attempt to acess go temporary unmask
+			if strings.Contains(err.Error(), "-go-tmp-umask") {
+				return filepath.SkipDir
+			}
+
 			return fmt.Errorf("couldn't walk to path \"%s\": %v", path, err)
 		}
 
@@ -189,13 +194,14 @@ func resolvePaths(paths []string, extensions map[string]bool) (map[string]bool,
 		}
 
 		for _, match := range matches {
-			// don't care for extension filter right now for non glob paths
-			// since they could be a directory
-			if isGlob {
-				if _, ok := extensions[filepath.Ext(match)]; !ok {
+			// ignore existing files that don't match the allowed extensions
+			if f, err := os.Stat(match); !os.IsNotExist(err) && !f.IsDir() {
+				if ext := filepath.Ext(match); ext != "" {
+					if _, ok := extensions[ext]; !ok {
 						continue
 					}
 				}
+			}
 
 			if _, ok := result[match]; !ok {
 				result[match] = true

watcher_test.go

@@ -1,7 +1,6 @@
 package gaper
 
 import (
-	"log"
 	"os"
 	"path/filepath"
 	"runtime"
@@ -105,14 +104,19 @@ func TestWatcherWatchChange(t *testing.T) {
 	time.Sleep(time.Millisecond * 500)
 
 	// update hidden files and dirs to check builtin hidden ignore is working
-	os.Chtimes(hiddenfile1, time.Now(), time.Now())
-	os.Chtimes(hiddenfile2, time.Now(), time.Now())
+	err = os.Chtimes(hiddenfile1, time.Now(), time.Now())
+	assert.Nil(t, err, "chtimes error")
+
+	err = os.Chtimes(hiddenfile2, time.Now(), time.Now())
+	assert.Nil(t, err, "chtimes error")
 
 	// update testfile first to check ignore is working
-	os.Chtimes(testfile, time.Now(), time.Now())
+	err = os.Chtimes(testfile, time.Now(), time.Now())
+	assert.Nil(t, err, "chtimes error")
 
 	time.Sleep(time.Millisecond * 500)
-	os.Chtimes(mainfile, time.Now(), time.Now())
+	err = os.Chtimes(mainfile, time.Now(), time.Now())
+	assert.Nil(t, err, "chtimes error")
 
 	select {
 	case event := <-w.Events():
@@ -173,6 +177,11 @@ func TestWatcherIgnoreFile(t *testing.T) {
 		},
 	}
 
+	// create vendor folder for testing
+	if err := os.MkdirAll("vendor", os.ModePerm); err != nil {
+		t.Fatal(err)
+	}
+
 	for _, tc := range testCases {
 		t.Run(tc.name, func(t *testing.T) {
 			srvdir := "."
@@ -198,12 +207,12 @@ func TestWatcherIgnoreFile(t *testing.T) {
 			filePath := tc.file
 			file, err := os.Open(filePath)
 			if err != nil {
-				log.Fatal(err)
+				t.Fatal(err)
 			}
 
 			fileInfo, err := file.Stat()
 			if err != nil {
-				log.Fatal(err)
+				t.Fatal(err)
 			}
 
 			assert.Equal(t, tc.expectIgnore, wt.ignoreFile(filePath, fileInfo))