v1.7.1

Added link to guide in request process

CONTRIBUTORS.md

@@ -15,11 +15,16 @@ Wails is what it is because of the time and effort given by these great people.
   * [admin_3.exe](https://github.com/bh90210)
   * [iceleo-com](https://github.com/iceleo-com)
   * [fallendusk](https://github.com/fallendusk)
-  * [Florian Didran](https://github.com/fdidron)
   * [Nikolai Zimmermann](https://github.com/Chronophylos)
   * [Toyam Cox](https://github.com/Vaelatern)
   * [Robin Eklind](https://github.com/mewmew)
   * [Kris Raney](https://github.com/kraney)
   * [Jack Mordaunt](https://github.com/JackMordaunt)
   * [Michael Hipp](https://github.com/MichaelHipp)
-  * [Travis McLane](https://github.com/tmclane)
+  * [Travis McLane](https://github.com/tmclane)
+  * [Reuben Thomas-Davis](https://github.com/Rested)
+  * [Jarek](https://github.com/Jarek-SRT)
+  * [Konez2k](https://github.com/konez2k)
+  * [msms](https://github.com/sayuthisobri)
+  * [dedo1911](https://github.com/dedo1911)
+  * [Florian Didron](https://github.com/fdidron)

README.md

@@ -55,9 +55,9 @@ _Debian: 8, 9, 10_
 
 _Ubuntu: 16.04, 18.04, 19.04_
 
-_Also succesfully tested on: Zorin 15, Parrot 4.7, Linuxmint 19, Elementary 5, Kali, Neon_
+_Also succesfully tested on: Zorin 15, Parrot 4.7, Linuxmint 19, Elementary 5, Kali, Neon_, Pop!_OS
 
-#### Arch Linux
+#### Arch Linux / ArchLabs
 
 `sudo pacman -S webkit2gtk gtk3`
 

app_other.go

@@ -1,4 +1,4 @@
-// +build +linux +darwin !windows
+// +build linux darwin !windows
 
 package wails
 

cmd/fs.go

@@ -12,6 +12,7 @@ import (
 	"path"
 	"path/filepath"
 	"runtime"
+	"strings"
 
 	"github.com/leaanthony/slicer"
 )
@@ -47,6 +48,22 @@ func (fs *FSHelper) FileExists(path string) bool {
 	return fi.Mode().IsRegular()
 }
 
+// FindFile returns the first occurrence of match inside path.
+func (fs *FSHelper) FindFile(path, match string) (string, error) {
+	files, err := ioutil.ReadDir(path)
+	if err != nil {
+		return "", err
+	}
+
+	for _, f := range files {
+		if !f.IsDir() && strings.Contains(f.Name(), match) {
+			return f.Name(), nil
+		}
+	}
+
+	return "", fmt.Errorf("file not found")
+}
+
 // CreateFile creates a file at the given filename location with the contents
 // set to the given data. It will create intermediary directories if needed.
 func (fs *FSHelper) CreateFile(filename string, data []byte) error {
@@ -100,10 +117,10 @@ func (fs *FSHelper) RemoveFile(filename string) error {
 }
 
 // RemoveFiles removes the given filenames
-func (fs *FSHelper) RemoveFiles(files []string) error {
+func (fs *FSHelper) RemoveFiles(files []string, continueOnError bool) error {
 	for _, filename := range files {
 		err := os.Remove(filename)
-		if err != nil {
+		if err != nil && !continueOnError {
 			return err
 		}
 	}

cmd/helpers.go

@@ -5,12 +5,15 @@ import (
 	"io/ioutil"
 	"os"
 	"os/exec"
+	"os/user"
 	"path/filepath"
 	"runtime"
+	"strconv"
 	"strings"
 	"time"
 
 	"github.com/leaanthony/mewn"
+	"github.com/leaanthony/mewn/lib"
 	"github.com/leaanthony/slicer"
 	"github.com/leaanthony/spinner"
 )
@@ -56,21 +59,141 @@ func InstallGoDependencies(verbose bool) error {
 	return nil
 }
 
-// BuildApplication will attempt to build the project based on the given inputs
-func BuildApplication(binaryName string, forceRebuild bool, buildMode string, packageApp bool, projectOptions *ProjectOptions) error {
+// EmbedAssets will embed the built frontend assets via mewn.
+func EmbedAssets() ([]string, error) {
+	mewnFiles := lib.GetMewnFiles([]string{}, false)
 
-	// Generate Windows assets if needed
-	if runtime.GOOS == "windows" {
-		cleanUp := !packageApp
-		err := NewPackageHelper().PackageWindows(projectOptions, cleanUp)
-		if err != nil {
-			return err
-		}
+	referencedAssets, err := lib.GetReferencedAssets(mewnFiles)
+	if err != nil {
+		return []string{}, err
 	}
 
-	// Check Mewn is installed
-	err := CheckMewn(projectOptions.Verbose)
+	targetFiles := []string{}
+
+	for _, referencedAsset := range referencedAssets {
+		packfileData, err := lib.GeneratePackFileString(referencedAsset, false)
+		if err != nil {
+			return []string{}, err
+		}
+		targetFile := filepath.Join(referencedAsset.BaseDir, referencedAsset.PackageName+"-mewn.go")
+		targetFiles = append(targetFiles, targetFile)
+		ioutil.WriteFile(targetFile, []byte(packfileData), 0644)
+	}
+
+	return targetFiles, nil
+}
+
+func InitializeCrossCompilation(verbose bool) error {
+	// Check Docker
+	if err := CheckIfInstalled("docker"); err != nil {
+		return err
+	}
+
+	var packSpinner *spinner.Spinner
+	if !verbose {
+		packSpinner = spinner.New("Pulling wailsapp/xgo:latest docker image... (may take a while)")
+		packSpinner.SetSpinSpeed(50)
+		packSpinner.Start()
+	} else {
+		println("Pulling wailsapp/xgo:latest docker image... (may take a while)")
+	}
+
+	err := NewProgramHelper(verbose).RunCommandArray([]string{"docker",
+		"pull", "wailsapp/xgo:latest"})
+
 	if err != nil {
+		if packSpinner != nil {
+			packSpinner.Error()
+		}
+		return err
+	}
+	if packSpinner != nil {
+		packSpinner.Success()
+	}
+
+	return nil
+}
+
+// BuildDocker builds the project using the cross compiling wailsapp/xgo:latest container
+func BuildDocker(binaryName string, buildMode string, projectOptions *ProjectOptions) error {
+	var packSpinner *spinner.Spinner
+	if buildMode == BuildModeBridge {
+		return fmt.Errorf("you cant serve the application in cross-compilation")
+	}
+
+	// Check build directory
+	buildDirectory := filepath.Join(fs.Cwd(), "build")
+	if !fs.DirExists(buildDirectory) {
+		fs.MkDir(buildDirectory)
+	}
+
+	buildCommand := slicer.String()
+	userid := 1000
+	user, _ := user.Current()
+	if i, err := strconv.Atoi(user.Uid); err == nil {
+		userid = i
+	}
+	for _, arg := range []string{
+		"docker",
+		"run",
+		"--rm",
+		"-v", fmt.Sprintf("%s:/build", filepath.Join(fs.Cwd(), "build")),
+		"-v", fmt.Sprintf("%s:/source", fs.Cwd()),
+		"-e", fmt.Sprintf("LOCAL_USER_ID=%v", userid),
+		"-e", fmt.Sprintf("FLAG_LDFLAGS=%s", ldFlags(projectOptions, buildMode)),
+		"-e", "FLAG_V=false",
+		"-e", "FLAG_X=false",
+		"-e", "FLAG_RACE=false",
+		"-e", "FLAG_BUILDMODE=default",
+		"-e", "FLAG_TRIMPATH=false",
+		"-e", fmt.Sprintf("TARGETS=%s", projectOptions.Platform+"/"+projectOptions.Architecture),
+		"-e", "GOPROXY=",
+		"-e", "GO111MODULE=on",
+		"wailsapp/xgo:latest",
+		".",
+	} {
+		buildCommand.Add(arg)
+	}
+
+	compileMessage := fmt.Sprintf(
+		"Packing + Compiling project for %s/%s using docker image wailsapp/xgo:latest",
+		projectOptions.Platform, projectOptions.Architecture)
+
+	if buildMode == BuildModeDebug {
+		compileMessage += " (Debug Mode)"
+	}
+
+	if !projectOptions.Verbose {
+		packSpinner = spinner.New(compileMessage + "...")
+		packSpinner.SetSpinSpeed(50)
+		packSpinner.Start()
+	} else {
+		println(compileMessage)
+	}
+
+	err := NewProgramHelper(projectOptions.Verbose).RunCommandArray(buildCommand.AsSlice())
+	if err != nil {
+		if packSpinner != nil {
+			packSpinner.Error()
+		}
+		return err
+	}
+	if packSpinner != nil {
+		packSpinner.Success()
+	}
+
+	return nil
+}
+
+// BuildNative builds on the target platform itself.
+func BuildNative(binaryName string, forceRebuild bool, buildMode string, projectOptions *ProjectOptions) error {
+
+	// Check Mewn is installed
+	if err := CheckMewn(projectOptions.Verbose); err != nil {
+		return err
+	}
+
+	if err := CheckWindres(); err != nil {
 		return err
 	}
 
@@ -90,18 +213,17 @@ func BuildApplication(binaryName string, forceRebuild bool, buildMode string, pa
 	}
 
 	buildCommand := slicer.String()
-	buildCommand.Add("mewn")
+	buildCommand.Add("go")
 
+	buildCommand.Add("build")
 	if buildMode == BuildModeBridge {
 		// Ignore errors
 		buildCommand.Add("-i")
 	}
 
-	buildCommand.Add("build")
-
 	if binaryName != "" {
 		// Alter binary name based on OS
-		switch runtime.GOOS {
+		switch projectOptions.Platform {
 		case "windows":
 			if !strings.HasSuffix(binaryName, ".exe") {
 				binaryName += ".exe"
@@ -111,7 +233,7 @@ func BuildApplication(binaryName string, forceRebuild bool, buildMode string, pa
 				binaryName = strings.TrimSuffix(binaryName, ".exe")
 			}
 		}
-		buildCommand.Add("-o", binaryName)
+		buildCommand.Add("-o", filepath.Join("build", binaryName))
 	}
 
 	// If we are forcing a rebuild
@@ -119,31 +241,13 @@ func BuildApplication(binaryName string, forceRebuild bool, buildMode string, pa
 		buildCommand.Add("-a")
 	}
 
-	// Setup ld flags
-	ldflags := "-w -s "
-	if buildMode == BuildModeDebug {
-		ldflags = ""
+	buildCommand.AddSlice([]string{"-ldflags", ldFlags(projectOptions, buildMode)})
+
+	if projectOptions.Verbose {
+		fmt.Printf("Command: %v\n", buildCommand.AsSlice())
 	}
 
-	// Add windows flags
-	if runtime.GOOS == "windows" && buildMode == BuildModeProd {
-		ldflags += "-H windowsgui "
-	}
-
-	ldflags += "-X github.com/wailsapp/wails.BuildMode=" + buildMode
-
-	// If we wish to generate typescript
-	if projectOptions.typescriptDefsFilename != "" {
-		cwd, err := os.Getwd()
-		if err != nil {
-			return err
-		}
-		filename := filepath.Join(cwd, projectOptions.FrontEnd.Dir, projectOptions.typescriptDefsFilename)
-		ldflags += " -X github.com/wailsapp/wails/lib/binding.typescriptDefinitionFilename=" + filename
-	}
-
-	buildCommand.AddSlice([]string{"-ldflags", ldflags})
-	err = NewProgramHelper(projectOptions.Verbose).RunCommandArray(buildCommand.AsSlice())
+	err := NewProgramHelper(projectOptions.Verbose).RunCommandArray(buildCommand.AsSlice())
 	if err != nil {
 		if packSpinner != nil {
 			packSpinner.Error()
@@ -154,7 +258,55 @@ func BuildApplication(binaryName string, forceRebuild bool, buildMode string, pa
 		packSpinner.Success()
 	}
 
-	// packageApp
+	return nil
+}
+
+// BuildApplication will attempt to build the project based on the given inputs
+func BuildApplication(binaryName string, forceRebuild bool, buildMode string, packageApp bool, projectOptions *ProjectOptions) error {
+	var err error
+
+	// embed resources
+	targetFiles, err := EmbedAssets()
+	if err != nil {
+		return err
+	}
+
+	if projectOptions.CrossCompile {
+		if err := InitializeCrossCompilation(projectOptions.Verbose); err != nil {
+			return err
+		}
+	}
+
+	helper := NewPackageHelper(projectOptions.Platform)
+
+	// Generate windows resources
+	if projectOptions.Platform == "windows" {
+		if err := helper.PackageWindows(projectOptions, false); err != nil {
+			return err
+		}
+	}
+
+	// cleanup temporary embedded assets
+	defer func() {
+		for _, filename := range targetFiles {
+			if err := os.Remove(filename); err != nil {
+				fmt.Println(err)
+			}
+		}
+		if projectOptions.Platform == "windows" {
+			helper.CleanWindows(projectOptions)
+		}
+	}()
+
+	if projectOptions.CrossCompile {
+		err = BuildDocker(binaryName, buildMode, projectOptions)
+	} else {
+		err = BuildNative(binaryName, forceRebuild, buildMode, projectOptions)
+	}
+	if err != nil {
+		return err
+	}
+
 	if packageApp {
 		err = PackageApplication(projectOptions)
 		if err != nil {
@@ -167,22 +319,14 @@ func BuildApplication(binaryName string, forceRebuild bool, buildMode string, pa
 
 // PackageApplication will attempt to package the application in a platform dependent way
 func PackageApplication(projectOptions *ProjectOptions) error {
-	// Package app
-	message := "Generating .app"
-	if runtime.GOOS == "windows" {
-		err := CheckWindres()
-		if err != nil {
-			return err
-		}
-		message = "Generating resource bundle"
-	}
 	var packageSpinner *spinner.Spinner
 	if projectOptions.Verbose {
-		packageSpinner = spinner.New(message)
+		packageSpinner = spinner.New("Packaging application...")
 		packageSpinner.SetSpinSpeed(50)
 		packageSpinner.Start()
 	}
-	err := NewPackageHelper().Package(projectOptions)
+
+	err := NewPackageHelper(projectOptions.Platform).Package(projectOptions)
 	if err != nil {
 		if packageSpinner != nil {
 			packageSpinner.Error()
@@ -244,7 +388,7 @@ func CheckMewn(verbose bool) (err error) {
 
 // CheckWindres checks if Windres is installed and if not, aborts
 func CheckWindres() (err error) {
-	if runtime.GOOS != "windows" {
+	if runtime.GOOS != "windows" { // FIXME: Handle windows cross-compile for windows!
 		return nil
 	}
 	programHelper := NewProgramHelper()
@@ -254,6 +398,15 @@ func CheckWindres() (err error) {
 	return nil
 }
 
+// CheckIfInstalled returns if application is installed
+func CheckIfInstalled(application string) (err error) {
+	programHelper := NewProgramHelper()
+	if !programHelper.IsInstalled(application) {
+		return fmt.Errorf("%s not installed. Ensure you have installed %s correctly", application, application)
+	}
+	return nil
+}
+
 // InstallFrontendDeps attempts to install the frontend dependencies based on the given options
 func InstallFrontendDeps(projectDir string, projectOptions *ProjectOptions, forceRebuild bool, caller string) error {
 
@@ -377,7 +530,7 @@ func ServeProject(projectOptions *ProjectOptions, logger *Logger) error {
 		time.Sleep(2 * time.Second)
 		logger.Green(">>>>> To connect, you will need to run '" + projectOptions.FrontEnd.Serve + "' in the '" + projectOptions.FrontEnd.Dir + "' directory <<<<<")
 	}()
-	location, err := filepath.Abs(projectOptions.BinaryName)
+	location, err := filepath.Abs(filepath.Join("build", projectOptions.BinaryName))
 	if err != nil {
 		return err
 	}
@@ -393,3 +546,33 @@ func ServeProject(projectOptions *ProjectOptions, logger *Logger) error {
 
 	return nil
 }
+
+func ldFlags(po *ProjectOptions, buildMode string) string {
+	// Setup ld flags
+	ldflags := "-w -s "
+	if buildMode == BuildModeDebug {
+		ldflags = ""
+	}
+
+	// Add windows flags
+	if po.Platform == "windows" && buildMode == BuildModeProd {
+		ldflags += "-H windowsgui "
+	}
+
+	ldflags += "-X github.com/wailsapp/wails.BuildMode=" + buildMode
+
+	// Add additional ldflags passed in via the `ldflags` cli flag
+	if len(po.LdFlags) > 0 {
+		ldflags += " " + po.LdFlags
+	}
+
+	// If we wish to generate typescript
+	if po.typescriptDefsFilename != "" {
+		cwd, err := os.Getwd()
+		if err == nil {
+			filename := filepath.Join(cwd, po.FrontEnd.Dir, po.typescriptDefsFilename)
+			ldflags += " -X github.com/wailsapp/wails/lib/binding.typescriptDefinitionFilename=" + filename
+		}
+	}
+	return ldflags
+}

cmd/linux.go

@@ -53,6 +53,16 @@ const (
 	Deepin
 	// Raspbian distribution
 	Raspbian
+	// Tumbleweed (OpenSUSE) distribution
+	Tumbleweed
+	// Leap (OpenSUSE) distribution
+	Leap
+	// ArchLabs distribution
+	ArchLabs
+	// PopOS distribution
+	PopOS
+	// Solus distribution
+	Solus
 )
 
 // DistroInfo contains all the information relating to a linux distribution
@@ -101,7 +111,7 @@ func parseOsRelease(osRelease string) *DistroInfo {
 		}
 		switch splitLine[0] {
 		case "ID":
-			osID = strings.Trim(splitLine[1], "\"")
+			osID = strings.ToLower(strings.Trim(splitLine[1], "\""))
 		case "NAME":
 			osNAME = strings.Trim(splitLine[1], "\"")
 		case "VERSION_ID":
@@ -117,6 +127,8 @@ func parseOsRelease(osRelease string) *DistroInfo {
 		result.Distribution = CentOS
 	case "arch":
 		result.Distribution = Arch
+	case "archlabs":
+		result.Distribution = ArchLabs
 	case "debian":
 		result.Distribution = Debian
 	case "ubuntu":
@@ -147,6 +159,14 @@ func parseOsRelease(osRelease string) *DistroInfo {
 		result.Distribution = Deepin
 	case "raspbian":
 		result.Distribution = Raspbian
+	case "opensuse-tumbleweed":
+		result.Distribution = Tumbleweed
+	case "opensuse-leap":
+		result.Distribution = Leap
+	case "pop":
+		result.Distribution = PopOS
+	case "solus":
+		result.Distribution = Solus
 	default:
 		result.Distribution = Unknown
 	}
@@ -183,6 +203,17 @@ func DpkgInstalled(packageName string) (bool, error) {
 	return exitCode == 0, nil
 }
 
+// EOpkgInstalled uses dpkg to see if a package is installed
+func EOpkgInstalled(packageName string) (bool, error) {
+	program := NewProgramHelper()
+	eopkg := program.FindProgram("eopkg")
+	if eopkg == nil {
+		return false, fmt.Errorf("cannot check dependencies: eopkg not found")
+	}
+	stdout, _, _, _ := eopkg.Run("info", packageName)
+	return strings.HasPrefix(stdout, "Installed"), nil
+}
+
 // PacmanInstalled uses pacman to see if a package is installed.
 func PacmanInstalled(packageName string) (bool, error) {
 	program := NewProgramHelper()
@@ -254,5 +285,9 @@ func RequestSupportForDistribution(distroInfo *DistroInfo) error {
 
 	fmt.Println("Opening browser to file request.")
 	browser.OpenURL(fullURL + url.PathEscape(params))
+	result = Prompt("We have a guide for adding support for your distribution. Would you like to view it?", "yes")
+	if strings.ToLower(result) == "yes" {
+		browser.OpenURL("https://wails.app/guides/distro/")
+	}
 	return nil
 }

cmd/linux_test.go

@@ -22,5 +22,25 @@ UBUNTU_CODENAME=bionic
 	if result.Distribution != Ubuntu {
 		t.Errorf("expected 'Ubuntu' ID but got '%d'", result.Distribution)
 	}
+}
 
+func TestTumbleweedDetection(t *testing.T) {
+	osrelease := `
+NAME="openSUSE Tumbleweed"
+# VERSION="20200414"
+ID="opensuse-tumbleweed"
+ID_LIKE="opensuse suse"
+VERSION_ID="20200414"
+PRETTY_NAME="openSUSE Tumbleweed"
+ANSI_COLOR="0;32"
+CPE_NAME="cpe:/o:opensuse:tumbleweed:20200414"
+BUG_REPORT_URL="https://bugs.opensuse.org"
+HOME_URL="https://www.opensuse.org/"
+LOGO="distributor-logo"
+`
+
+	result := parseOsRelease(osrelease)
+	if result.Distribution != Tumbleweed {
+		t.Errorf("expected 'Tumbleweed' ID but got '%d'", result.Distribution)
+	}
 }

cmd/linuxdb.yaml

@@ -28,6 +28,15 @@ distributions:
         gccversioncommand: &gccdumpfullversion -dumpfullversion
         programs: *debiandefaultprograms
         libraries: *debiandefaultlibraries
+  pop:
+    id: pop
+    releases:
+      default:
+        version: default
+        name: Pop!_OS
+        gccversioncommand: &gccdumpfullversion -dumpfullversion
+        programs: *debiandefaultprograms
+        libraries: *debiandefaultlibraries
   kali:
     id: kali
     releases:
@@ -176,6 +185,15 @@ distributions:
         gccversioncommand: *gccdumpversion
         programs: *archdefaultprograms
         libraries: *archdefaultlibraries
+  archlabs:
+    id: archlabs
+    releases:
+      default:
+        version: default
+        name: ArchLabs
+        gccversioncommand: *gccdumpversion
+        programs: *archdefaultprograms
+        libraries: *archdefaultlibraries        
   manjaro:
     id: manjaro
     releases:
@@ -223,3 +241,51 @@ distributions:
         gccversioncommand: *gccdumpfullversion
         programs: *debiandefaultprograms
         libraries: *debiandefaultlibraries
+  solus:
+    id: solus
+    releases:
+      default:
+        version: default
+        name: Solus
+        gccversioncommand: *gccdumpfullversion
+        programs: &solusdefaultprograms
+          - name: gcc
+            help: Please install with `sudo eopkg it -c system.devel` and try again
+          - name: pkg-config
+            help: Please install with `sudo eopkg it -c system.devel` and try again
+          - name: npm
+            help: Please install with `sudo eopkg it nodejs` and try again
+        libraries: &solusdefaultlibraries
+          - name: libgtk-3-devel
+            help: Please install with `sudo eopkg it libgtk-3-devel` and try again
+          - name: libwebkit-gtk-devel
+            help: Please install with `sudo eopkg it libwebkit-gtk-devel` and try again
+        
+  opensuse-tumbleweed:
+    id: opensuse-tumbleweed
+    releases:
+      default:
+        version: default
+        name: openSUSE Tumbleweed
+        gccversioncommand: *gccdumpfullversion
+        programs: &opensusedefaultprograms
+          - name: gcc
+            help: Please install with `sudo zypper in gcc-c++` and try again
+          - name: pkg-config
+            help: Please install with `sudo zypper in pkgconf-pkg-config` and try again
+          - name: npm
+            help: Please install `sudo zypper in nodejs` and try again
+        libraries: &opensusedefaultlibraries
+          - name: gtk3-devel
+            help: Please install with `sudo zypper in gtk3-devel` and try again
+          - name: webkit2gtk3-devel
+            help: Please install with `sudo zypper in webkit2gtk3-devel` and try again
+  opensuse-leap:
+      id: opensuse-leap
+      releases:
+        default:
+          version: default
+          name: openSUSE Leap
+          gccversioncommand: *gccdumpfullversion
+          programs: *opensusedefaultprograms
+          libraries: *opensusedefaultlibraries

cmd/package.go

@@ -1,9 +1,12 @@
 package cmd
 
 import (
+	"bufio"
 	"bytes"
+	"encoding/binary"
 	"fmt"
 	"image"
+	"image/png"
 	"io/ioutil"
 	"os"
 	"path"
@@ -14,21 +17,24 @@ import (
 	"time"
 
 	"github.com/jackmordaunt/icns"
+	"golang.org/x/image/draw"
 )
 
 // PackageHelper helps with the 'wails package' command
 type PackageHelper struct {
-	fs     *FSHelper
-	log    *Logger
-	system *SystemHelper
+	platform string
+	fs       *FSHelper
+	log      *Logger
+	system   *SystemHelper
 }
 
 // NewPackageHelper creates a new PackageHelper!
-func NewPackageHelper() *PackageHelper {
+func NewPackageHelper(platform string) *PackageHelper {
 	return &PackageHelper{
-		fs:     NewFSHelper(),
-		log:    NewLogger(),
-		system: NewSystemHelper(),
+		platform: platform,
+		fs:       NewFSHelper(),
+		log:      NewLogger(),
+		system:   NewSystemHelper(),
 	}
 }
 
@@ -53,6 +59,111 @@ func newPlistData(title, exe, packageID, version, author string) *plistData {
 	}
 }
 
+type windowsIcoHeader struct {
+	_          uint16
+	imageType  uint16
+	imageCount uint16
+}
+
+type windowsIcoDescriptor struct {
+	width   uint8
+	height  uint8
+	colours uint8
+	_       uint8
+	planes  uint16
+	bpp     uint16
+	size    uint32
+	offset  uint32
+}
+
+type windowsIcoContainer struct {
+	Header windowsIcoDescriptor
+	Data   []byte
+}
+
+func generateWindowsIcon(pngFilename string, iconfile string) error {
+	sizes := []int{256, 128, 64, 48, 32, 16}
+
+	pngfile, err := os.Open(pngFilename)
+	if err != nil {
+		return err
+	}
+	defer pngfile.Close()
+
+	pngdata, err := png.Decode(pngfile)
+	if err != nil {
+		return err
+	}
+
+	icons := []windowsIcoContainer{}
+
+	for _, size := range sizes {
+		rect := image.Rect(0, 0, int(size), int(size))
+		rawdata := image.NewRGBA(rect)
+		scale := draw.CatmullRom
+		scale.Scale(rawdata, rect, pngdata, pngdata.Bounds(), draw.Over, nil)
+
+		icondata := new(bytes.Buffer)
+		writer := bufio.NewWriter(icondata)
+		err = png.Encode(writer, rawdata)
+		if err != nil {
+			return err
+		}
+		writer.Flush()
+
+		imgSize := size
+		if imgSize >= 256 {
+			imgSize = 0
+		}
+
+		data := icondata.Bytes()
+
+		icn := windowsIcoContainer{
+			Header: windowsIcoDescriptor{
+				width:  uint8(imgSize),
+				height: uint8(imgSize),
+				planes: 1,
+				bpp:    32,
+				size:   uint32(len(data)),
+			},
+			Data: data,
+		}
+		icons = append(icons, icn)
+	}
+
+	outfile, err := os.Create(iconfile)
+	if err != nil {
+		return err
+	}
+	defer outfile.Close()
+
+	ico := windowsIcoHeader{
+		imageType:  1,
+		imageCount: uint16(len(sizes)),
+	}
+	err = binary.Write(outfile, binary.LittleEndian, ico)
+	if err != nil {
+		return err
+	}
+
+	offset := uint32(6 + 16*len(sizes))
+	for _, icon := range icons {
+		icon.Header.offset = offset
+		err = binary.Write(outfile, binary.LittleEndian, icon.Header)
+		if err != nil {
+			return err
+		}
+		offset += icon.Header.size
+	}
+	for _, icon := range icons {
+		_, err = outfile.Write(icon.Data)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
 func defaultString(val string, defaultVal string) string {
 	if val != "" {
 		return val
@@ -63,29 +174,30 @@ func defaultString(val string, defaultVal string) string {
 func (b *PackageHelper) getPackageFileBaseDir() string {
 	// Calculate template base dir
 	_, filename, _, _ := runtime.Caller(1)
-	return filepath.Join(path.Dir(filename), "packages", runtime.GOOS)
+	return filepath.Join(path.Dir(filename), "packages", b.platform)
 }
 
 // Package the application into a platform specific package
 func (b *PackageHelper) Package(po *ProjectOptions) error {
-	switch runtime.GOOS {
+	switch b.platform {
 	case "darwin":
-		// Check we have the exe
-		if !b.fs.FileExists(po.BinaryName) {
-			return fmt.Errorf("cannot bundle non-existent binary file '%s'. Please build with 'wails build' first", po.BinaryName)
-		}
 		return b.packageOSX(po)
 	case "windows":
-		return b.PackageWindows(po, false)
+		return b.PackageWindows(po, true)
 	case "linux":
-		return fmt.Errorf("linux is not supported at this time. Please see https://github.com/wailsapp/wails/issues/2")
+		return b.packageLinux(po)
 	default:
-		return fmt.Errorf("platform '%s' not supported for bundling yet", runtime.GOOS)
+		return fmt.Errorf("platform '%s' not supported for bundling yet", b.platform)
 	}
 }
 
+func (b *PackageHelper) packageLinux(po *ProjectOptions) error {
+	return nil
+}
+
 // Package the application for OSX
 func (b *PackageHelper) packageOSX(po *ProjectOptions) error {
+	build := path.Join(b.fs.Cwd(), "build")
 
 	system := NewSystemHelper()
 	config, err := system.LoadConfig()
@@ -102,18 +214,25 @@ func (b *PackageHelper) packageOSX(po *ProjectOptions) error {
 	appname := po.Name + ".app"
 
 	// Check binary exists
-	source := path.Join(b.fs.Cwd(), exe)
-	if !b.fs.FileExists(source) {
-		// We need to build!
-		return fmt.Errorf("Target '%s' not available. Has it been compiled yet?", exe)
+	source := path.Join(build, exe)
+	if po.CrossCompile == true {
+		file, err := b.fs.FindFile(build, "darwin")
+		if err != nil {
+			return err
+		}
+		source = path.Join(build, file)
 	}
 
+	if !b.fs.FileExists(source) {
+		// We need to build!
+		return fmt.Errorf("Target '%s' not available. Has it been compiled yet?", source)
+	}
 	// Remove the existing package
 	os.RemoveAll(appname)
 
-	exeDir := path.Join(b.fs.Cwd(), appname, "/Contents/MacOS")
+	exeDir := path.Join(build, appname, "/Contents/MacOS")
 	b.fs.MkDirs(exeDir, 0755)
-	resourceDir := path.Join(b.fs.Cwd(), appname, "/Contents/Resources")
+	resourceDir := path.Join(build, appname, "/Contents/Resources")
 	b.fs.MkDirs(resourceDir, 0755)
 	tmpl := template.New("infoPlist")
 	plistFile := filepath.Join(b.getPackageFileBaseDir(), "info.plist")
@@ -129,7 +248,7 @@ func (b *PackageHelper) packageOSX(po *ProjectOptions) error {
 	if err != nil {
 		return err
 	}
-	filename := path.Join(b.fs.Cwd(), appname, "Contents", "Info.plist")
+	filename := path.Join(build, appname, "Contents", "Info.plist")
 	err = ioutil.WriteFile(filename, tpl.Bytes(), 0644)
 	if err != nil {
 		return err
@@ -150,22 +269,37 @@ func (b *PackageHelper) packageOSX(po *ProjectOptions) error {
 	return err
 }
 
+// CleanWindows removes any windows related files found in the directory
+func (b *PackageHelper) CleanWindows(po *ProjectOptions) {
+	pdir := b.fs.Cwd()
+	basename := strings.TrimSuffix(po.BinaryName, ".exe")
+	exts := []string{".ico", ".exe.manifest", ".rc", "-res.syso"}
+	rsrcs := []string{}
+	for _, ext := range exts {
+		rsrcs = append(rsrcs, filepath.Join(pdir, basename+ext))
+	}
+	b.fs.RemoveFiles(rsrcs, true)
+}
+
 // PackageWindows packages the application for windows platforms
 func (b *PackageHelper) PackageWindows(po *ProjectOptions, cleanUp bool) error {
+	outputDir := b.fs.Cwd()
 	basename := strings.TrimSuffix(po.BinaryName, ".exe")
 
-	// Copy icon
-	tgtIconFile := filepath.Join(b.fs.Cwd(), basename+".ico")
-	if !b.fs.FileExists(tgtIconFile) {
-		srcIconfile := filepath.Join(b.getPackageFileBaseDir(), "wails.ico")
-		err := b.fs.CopyFile(srcIconfile, tgtIconFile)
-		if err != nil {
-			return err
-		}
+	// Copy default icon if needed
+	icon, err := b.copyIcon()
+	if err != nil {
+		return err
+	}
+
+	// Generate icon from PNG
+	err = generateWindowsIcon(icon, basename+".ico")
+	if err != nil {
+		return err
 	}
 
 	// Copy manifest
-	tgtManifestFile := filepath.Join(b.fs.Cwd(), basename+".exe.manifest")
+	tgtManifestFile := filepath.Join(outputDir, basename+".exe.manifest")
 	if !b.fs.FileExists(tgtManifestFile) {
 		srcManifestfile := filepath.Join(b.getPackageFileBaseDir(), "wails.exe.manifest")
 		err := b.fs.CopyFile(srcManifestfile, tgtManifestFile)
@@ -175,7 +309,7 @@ func (b *PackageHelper) PackageWindows(po *ProjectOptions, cleanUp bool) error {
 	}
 
 	// Copy rc file
-	tgtRCFile := filepath.Join(b.fs.Cwd(), basename+".rc")
+	tgtRCFile := filepath.Join(outputDir, basename+".rc")
 	if !b.fs.FileExists(tgtRCFile) {
 		srcRCfile := filepath.Join(b.getPackageFileBaseDir(), "wails.rc")
 		rcfilebytes, err := ioutil.ReadFile(srcRCfile)
@@ -190,33 +324,37 @@ func (b *PackageHelper) PackageWindows(po *ProjectOptions, cleanUp bool) error {
 	}
 
 	// Build syso
-	sysofile := filepath.Join(b.fs.Cwd(), basename+"-res.syso")
+	sysofile := filepath.Join(outputDir, basename+"-res.syso")
 
-	batfile, err := fs.LocalDir(".")
-	if err != nil {
-		return err
-	}
+	// cross-compile
+	if b.platform != runtime.GOOS {
+		args := []string{
+			"docker", "run", "--rm",
+			"-v", outputDir + ":/build",
+			"--entrypoint", "/bin/sh",
+			"wailsapp/xgo:latest",
+			"-c", "/usr/bin/x86_64-w64-mingw32-windres -o /build/" + basename + "-res.syso /build/" + basename + ".rc",
+		}
+		if err := NewProgramHelper().RunCommandArray(args); err != nil {
+			return err
+		}
+	} else {
+		batfile, err := fs.LocalDir(".")
+		if err != nil {
+			return err
+		}
 
-	windresBatFile := filepath.Join(batfile.fullPath, "windres.bat")
-	windresCommand := []string{windresBatFile, sysofile, tgtRCFile}
-	err = NewProgramHelper().RunCommandArray(windresCommand)
-	if err != nil {
-		return err
-	}
-
-	// clean up
-	if cleanUp {
-		filesToDelete := []string{tgtIconFile, tgtManifestFile, tgtRCFile, sysofile}
-		err := b.fs.RemoveFiles(filesToDelete)
+		windresBatFile := filepath.Join(batfile.fullPath, "windres.bat")
+		windresCommand := []string{windresBatFile, sysofile, tgtRCFile}
+		err = NewProgramHelper().RunCommandArray(windresCommand)
 		if err != nil {
 			return err
 		}
 	}
-
 	return nil
 }
 
-func (b *PackageHelper) copyIcon(resourceDir string) (string, error) {
+func (b *PackageHelper) copyIcon() (string, error) {
 
 	// TODO: Read this from project.json
 	const appIconFilename = "appicon.png"
@@ -241,7 +379,7 @@ func (b *PackageHelper) copyIcon(resourceDir string) (string, error) {
 
 func (b *PackageHelper) packageIconOSX(resourceDir string) error {
 
-	srcIcon, err := b.copyIcon(resourceDir)
+	srcIcon, err := b.copyIcon()
 	if err != nil {
 		return err
 	}

cmd/packages/darwin/info.plist

@@ -1,5 +1,6 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0"><dict>
+	<key>CFBundlePackageType</key><string>APPL</string>
 	<key>CFBundleName</key><string>{{.Title}}</string>
 	<key>CFBundleExecutable</key><string>{{.Exe}}</string>
 	<key>CFBundleIdentifier</key><string>{{.PackageID}}</string>

cmd/packages/windows/wails.rc

@@ -1,2 +1,2 @@
 100 ICON    "$NAME$.ico"
-100 24      "$NAME$.exe.manifest"
+110 24      "$NAME$.exe.manifest"

cmd/program.go

@@ -138,11 +138,11 @@ func (p *ProgramHelper) RunCommand(command string) error {
 
 // RunCommandArray runs the command specified in the array
 func (p *ProgramHelper) RunCommandArray(args []string, dir ...string) error {
-	program := args[0]
+	programCommand := args[0]
 	// TODO: Run FindProgram here and get the full path to the exe
-	program, err := exec.LookPath(program)
+	program, err := exec.LookPath(programCommand)
 	if err != nil {
-		fmt.Printf("ERROR: Looks like '%s' isn't installed. Please install and try again.", program)
+		fmt.Printf("ERROR: Looks like '%s' isn't installed. Please install and try again.", programCommand)
 		return err
 	}
 

cmd/project.go

@@ -6,7 +6,6 @@ import (
 	"io/ioutil"
 	"os"
 	"path/filepath"
-	"runtime"
 	"sort"
 	"strings"
 
@@ -159,6 +158,10 @@ type ProjectOptions struct {
 	WailsVersion           string
 	typescriptDefsFilename string
 	Verbose                bool `json:"-"`
+	CrossCompile           bool
+	Platform               string
+	Architecture           string
+	LdFlags                string
 }
 
 // Defaults sets the default project template
@@ -333,11 +336,6 @@ func processBinaryName(po *ProjectOptions) {
 	if po.BinaryName == "" {
 		var binaryNameComputed = computeBinaryName(po.Name)
 		po.BinaryName = Prompt("The output binary name", binaryNameComputed)
-		if runtime.GOOS == "windows" {
-			if !strings.HasSuffix(po.BinaryName, ".exe") {
-				po.BinaryName += ".exe"
-			}
-		}
 	}
 	fmt.Println("Output binary Name: " + po.BinaryName)
 }

cmd/system.go

@@ -274,16 +274,18 @@ func CheckDependencies(logger *Logger) (bool, error) {
 		distroInfo := GetLinuxDistroInfo()
 
 		switch distroInfo.Distribution {
-		case Ubuntu, Debian, Zorin, Parrot, Linuxmint, Elementary, Kali, Neon, Deepin, Raspbian:
+		case Ubuntu, Debian, Zorin, Parrot, Linuxmint, Elementary, Kali, Neon, Deepin, Raspbian, PopOS:
 			libraryChecker = DpkgInstalled
-		case Arch, ArcoLinux, Manjaro, ManjaroARM:
+		case Arch, ArcoLinux, ArchLabs, Manjaro, ManjaroARM:
 			libraryChecker = PacmanInstalled
-		case CentOS, Fedora:
+		case CentOS, Fedora, Tumbleweed, Leap:
 			libraryChecker = RpmInstalled
 		case Gentoo:
 			libraryChecker = EqueryInstalled
 		case VoidLinux:
 			libraryChecker = XbpsInstalled
+		case Solus:
+			libraryChecker = EOpkgInstalled
 		default:
 			return false, RequestSupportForDistribution(distroInfo)
 		}

cmd/templates/create-react-app/frontend/package.json.template

@@ -4,12 +4,12 @@
   "version": "0.1.0",
   "private": true,
   "dependencies": {
-    "core-js": "^3.1.4",
-    "react": "^16.8.6",
-    "react-dom": "^16.8.6",
+    "core-js": "^3.6.4",
+    "react": "^16.13.0",
+    "react-dom": "^16.13.0",
     "wails-react-scripts": "3.0.1-2",
-    "react-modal": "3.8.1",
-    "@wailsapp/runtime": "^1.0.0"
+    "react-modal": "3.11.2",
+    "@wailsapp/runtime": "^1.0.10"
   },
   "scripts": {
     "start": "react-scripts start",

cmd/templates/vanilla/README.md

@@ -0,0 +1,5 @@
+# README
+
+This is an experimental template for vanilla HTML/JS/CSS.
+
+The webpack rules may need to be adjusted to correctly embed all assets. Babel may also need to be setup correctly.

cmd/templates/vanilla/frontend/package.json.template

@@ -0,0 +1,42 @@
+{
+  "name": "vanilla",
+  "author": "Lea<l>",
+  "private": true,
+  "scripts": {
+    "serve": "webpack-dev-server",
+    "build": "npx webpack"
+  },
+  "dependencies": {
+    "core-js": "^3.6.4",
+    "regenerator-runtime": "^0.13.3",
+    "@wailsapp/runtime": "^1.0.10"
+  },
+  "devDependencies": {
+    "babel-eslint": "^10.1.0",
+    "copy-webpack-plugin": "^6.0.2",
+    "eslint": "^6.8.0",
+    "eventsource-polyfill": "^0.9.6",
+    "webpack": "^4.43.0",
+    "webpack-cli": "^3.3.11",
+    "webpack-dev-server": "^3.11.0",
+    "webpack-hot-middleware": "^2.25.0"
+  },
+  "eslintConfig": {
+    "root": true,
+    "env": {
+      "node": true
+    },
+    "extends": [
+      "eslint:recommended"
+    ],
+    "rules": {},
+    "parserOptions": {
+      "parser": "babel-eslint"
+    }
+  },
+  "browserslist": [
+    "> 1%",
+    "last 2 versions",
+    "not ie <= 8"
+  ]
+}

cmd/templates/vanilla/frontend/src/index.html

@@ -0,0 +1,9 @@
+<html>
+    <head>
+        <link rel="stylesheet" type="text/css" href="main.css">
+    </head>
+    <body>
+        <div id="app"></div>
+        <script src="main.js"></script>
+    </body>
+</html>