Add support for -sign

v2/cmd/wails/internal/commands/build/build.go

@@ -57,6 +57,11 @@ func AddBuildSubcommand(app *clir.Cli, w io.Writer) {
 	keepAssets := false
 	command.BoolFlag("k", "Keep generated assets", &keepAssets)
 
+	appleIdentity := ""
+	if runtime.GOOS == "darwin" {
+		command.StringFlag("sign", "Signs your app with the given identity.", &appleIdentity)
+	}
+
 	command.Action(func() error {
 
 		// Create logger
@@ -72,6 +77,11 @@ func AddBuildSubcommand(app *clir.Cli, w io.Writer) {
 			app.PrintBanner()
 		}
 
+		// Ensure package is used with apple identity
+		if appleIdentity != "" && pack == false {
+			return fmt.Errorf("must use `-package` flag when using `-sign`")
+		}
+
 		task := fmt.Sprintf("Building %s Application", strings.Title(outputType))
 		logger.Println(task)
 		logger.Println(strings.Repeat("-", len(task)))
@@ -84,14 +94,15 @@ func AddBuildSubcommand(app *clir.Cli, w io.Writer) {
 
 		// Create BuildOptions
 		buildOptions := &build.Options{
-			Logger:     logger,
-			OutputType: outputType,
-			Mode:       mode,
-			Pack:       pack,
-			Platform:   platform,
-			LDFlags:    ldflags,
-			Compiler:   compilerCommand,
-			KeepAssets: keepAssets,
+			Logger:        logger,
+			OutputType:    outputType,
+			Mode:          mode,
+			Pack:          pack,
+			Platform:      platform,
+			LDFlags:       ldflags,
+			Compiler:      compilerCommand,
+			KeepAssets:    keepAssets,
+			AppleIdentity: appleIdentity,
 		}
 
 		return doBuild(buildOptions)

v2/pkg/commands/build/build.go

@@ -38,6 +38,7 @@ type Options struct {
 	BuildDirectory string               // Directory to use for building the application
 	CompiledBinary string               // Fully qualified path to the compiled binary
 	KeepAssets     bool                 // /Keep the generated assets/files
+	AppleIdentity  string
 }
 
 // GetModeAsString returns the current mode as a string

v2/pkg/commands/build/packager_darwin.go

@@ -2,9 +2,11 @@ package build
 
 import (
 	"bytes"
+	"fmt"
 	"image"
 	"io/ioutil"
 	"os"
+	"os/exec"
 	"path"
 	"path/filepath"
 	"strings"
@@ -52,6 +54,12 @@ func packageApplication(options *Options) error {
 		return err
 	}
 
+	// Sign app if needed
+	err = signApplication(options)
+	if err != nil {
+		return err
+	}
+
 	return nil
 }
 
@@ -176,3 +184,21 @@ func processApplicationIcon(resourceDir string, iconsDir string) (err error) {
 	}()
 	return icns.Encode(dest, srcImg)
 }
+
+func signApplication(options *Options) error {
+	bundlename := filepath.Join(options.BuildDirectory, options.ProjectData.Name+".app")
+	identity := fmt.Sprintf(`"%s"`, options.AppleIdentity)
+	cmd := exec.Command("codesign", "--deep", "--force", "--verbose", "--sign", identity, bundlename)
+	var stdo, stde bytes.Buffer
+	cmd.Stdout = &stdo
+	cmd.Stderr = &stde
+
+	// Run command
+	err := cmd.Run()
+
+	// Format error if we have one
+	if err != nil {
+		return fmt.Errorf("%s\n%s", err, string(stde.Bytes()))
+	}
+	return nil
+}