Implement build command

Author: juho05

build.go

@@ -2,8 +2,14 @@ package main
 
 import (
 	"fmt"
+	"os"
+	"path/filepath"
+	"runtime"
+	"strings"
 
+	"github.com/Bananenpro/cli"
 	"github.com/code-game-project/go-utils/cgfile"
+	"github.com/code-game-project/go-utils/exec"
 	"github.com/code-game-project/go-utils/modules"
 )
 
@@ -27,5 +33,75 @@ func Build() error {
 }
 
 func buildClient(gameName, output, url string) error {
+	cli.BeginLoading("Building...")
+	gameDir := toPascal(gameName)
+	err := replaceInFile(filepath.Join(gameDir, "Game.cs"), "throw new InvalidOperationException(\"The CG_GAME_URL environment variable must be set.\")", "return \""+url+"\"")
+	if err != nil {
+		return err
+	}
+
+	args := []string{"build", "--nologo", "--self-contained", "--configuration", "Release"}
+	os := getOS()
+	arch := getArch()
+	if os != "" && arch != "" {
+		args = append(args, "--runtime", os+"-"+arch)
+	} else {
+		args = append(args, "--use-current-runtime")
+	}
+	if output != "" {
+		args = append(args, "--output", output)
+	}
+	_, err = exec.Execute(true, "dotnet", args...)
+	if err != nil {
+		return err
+	}
+
+	err = replaceInFile(filepath.Join(gameDir, "Game.cs"), "return \""+url+"\"", "throw new InvalidOperationException(\"The CG_GAME_URL environment variable must be set.\")")
+	if err != nil {
+		return err
+	}
+	cli.FinishLoading()
+
 	return nil
 }
+
+func replaceInFile(filename, old, new string) error {
+	content, err := os.ReadFile(filename)
+	if err != nil {
+		return fmt.Errorf("Failed to replace '%s' with '%s' in '%s': %s", old, new, filename, err)
+	}
+	content = []byte(strings.ReplaceAll(string(content), old, new))
+	err = os.WriteFile(filename, content, 0o644)
+	if err != nil {
+		return fmt.Errorf("Failed to replace '%s' with '%s' in '%s': %s", old, new, filename, err)
+	}
+	return nil
+}
+
+func getOS() string {
+	os := runtime.GOOS
+	switch os {
+	case "linux":
+		return "linux"
+	case "darwin":
+		return "osx"
+	case "windows":
+		return "win"
+	}
+	return ""
+}
+
+func getArch() string {
+	os := runtime.GOARCH
+	switch os {
+	case "amd64":
+		return "x64"
+	case "386":
+		return "x86"
+	case "arm64":
+		return "arm64"
+	case "arm":
+		return "arm"
+	}
+	return ""
+}

new_client.go

@@ -67,8 +67,7 @@ func CreateNewClient(projectName string) error {
 	cli.BeginLoading("Installing csharp-client...")
 	installLibArgs := []string{"add", "package", "CodeGame.Client"}
 	if data.LibraryVersion != "latest" {
-		installLibArgs = append(installLibArgs, "--version")
-		installLibArgs = append(installLibArgs, data.LibraryVersion)
+		installLibArgs = append(installLibArgs, "--version", data.LibraryVersion)
 	}
 	_, err = exec.Execute(true, "dotnet", installLibArgs...)
 	if err != nil {