From 2b5bbfd8972ad01c7519382601030e642a08cb8a Mon Sep 17 00:00:00 2001
From: Lea Anthony <lea.anthony@gmail.com>
Date: Tue, 5 Jan 2021 13:01:38 +1100
Subject: [PATCH] Script to rebuild runtime_*.c

---
 v2/internal/runtime/scripts/rebuild.go | 76 ++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 v2/internal/runtime/scripts/rebuild.go

diff --git a/v2/internal/runtime/scripts/rebuild.go b/v2/internal/runtime/scripts/rebuild.go
new file mode 100644
index 00000000..b00acb1c
--- /dev/null
+++ b/v2/internal/runtime/scripts/rebuild.go
@@ -0,0 +1,76 @@
+package main
+
+import (
+	"bytes"
+	"fmt"
+	"github.com/wailsapp/wails/v2/internal/fs"
+	"github.com/wailsapp/wails/v2/internal/shell"
+	"io/ioutil"
+	"log"
+	"os"
+	"strings"
+)
+
+func main() {
+
+	sourceDir := fs.RelativePath("../../../internal/runtime/js")
+
+	platforms := []string{"darwin"}
+
+	for _, platform := range platforms {
+		println("Building JS Runtime for " + platform)
+		envvars := []string{"WAILSPLATFORM=" + platform}
+
+		// Split up the InstallCommand and execute it
+		stdout, stderr, err := shell.RunCommand(sourceDir, "npm", "install")
+		if err != nil {
+			for _, l := range strings.Split(stdout, "\n") {
+				fmt.Printf("    %s\n", l)
+			}
+			for _, l := range strings.Split(stderr, "\n") {
+				fmt.Printf("    %s\n", l)
+			}
+		}
+
+		runtimeDir := fs.RelativePath("../js")
+		cmd := shell.CreateCommand(runtimeDir, "npm", "run", "build:desktop")
+		cmd.Env = append(os.Environ(), envvars...)
+		var stdo, stde bytes.Buffer
+		cmd.Stdout = &stdo
+		cmd.Stderr = &stde
+		err = cmd.Run()
+		if err != nil {
+			for _, l := range strings.Split(stdo.String(), "\n") {
+				fmt.Printf("    %s\n", l)
+			}
+			for _, l := range strings.Split(stde.String(), "\n") {
+				fmt.Printf("    %s\n", l)
+			}
+			log.Fatal(err)
+		}
+
+		wailsJS := fs.RelativePath("../../../internal/runtime/assets/desktop.js")
+		runtimeData, err := ioutil.ReadFile(wailsJS)
+		if err != nil {
+			log.Fatal(err)
+		}
+
+		// Convert to C structure
+		runtimeC := `
+// runtime.c (c) 2019-Present Lea Anthony.
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file was auto-generated. DO NOT MODIFY.
+const unsigned char runtime[]={`
+		for _, b := range runtimeData {
+			runtimeC += fmt.Sprintf("0x%x, ", b)
+		}
+		runtimeC += "0x00};"
+
+		// Save file
+		outputFile := fs.RelativePath(fmt.Sprintf("../../ffenestri/runtime_%s.c", platform))
+
+		if err := ioutil.WriteFile(outputFile, []byte(runtimeC), 0600); err != nil {
+			log.Fatal(err)
+		}
+	}
+}