Build config, flags, etc

internal/build_config.go

@@ -0,0 +1,54 @@
+package internal
+
+import (
+	"io/ioutil"
+	"os"
+
+	"github.com/BurntSushi/toml"
+	"github.com/yeslayla/godot-build-tools/logging"
+)
+
+const defaultGodotVersion = "4.1.3"
+const defaultGodotRelease = "stable"
+
+type BuildConfig struct {
+	Godot BuildConfigGodot `toml:"godot"`
+}
+
+type BuildConfigGodot struct {
+	Version string `toml:"version"`
+	Release string `toml:"release"`
+}
+
+func LoadBuildConfig(logger logging.Logger) BuildConfig {
+	config := BuildConfig{}
+
+	content, err := ioutil.ReadFile(".godot-build.toml")
+	if err != nil {
+		if os.IsNotExist(err) {
+			logger.Errorf("Build config not found, please run `gbt init`")
+			os.Exit(1)
+		} else {
+			logger.Errorf("Failed to read build config: %s", err)
+		}
+		return config
+	}
+
+	_, err = toml.Decode(string(content), &config)
+	if err != nil {
+		logger.Errorf("Failed to parse build config: %s", err)
+		return config
+	}
+
+	if config.Godot.Release == "" {
+		logger.Warnf("Godot release not specified, defaulting to %s", defaultGodotRelease)
+		config.Godot.Release = defaultGodotRelease
+	}
+
+	if config.Godot.Version == "" {
+		logger.Warnf("Godot version not specified, defaulting to %s", defaultGodotVersion)
+		config.Godot.Version = defaultGodotVersion
+	}
+
+	return config
+}

internal/downloader.go

@@ -26,6 +26,20 @@ type Downloader struct {
 	logger logging.Logger
 }
 
+// DefaultBinDir returns the default bin directory to install Godot to for the given target OS.
+func DefaultBinDir(targetOS TargetOS) string {
+	switch targetOS {
+	case TargetOSLinux:
+		home, _ := os.UserHomeDir()
+		return filepath.Join(home, "/.local/bin")
+	case TargetOSWindows:
+		return "C:\\Program Files (x86)\\Godot"
+	case TargetOSMacOS:
+		return "/Applications/Godot"
+	}
+	return ""
+}
+
 func NewDownloader(targetOS TargetOS, logger logging.Logger, options *DownloaderOptions) *Downloader {
 	var url string = options.DownloadRepositoryURL
 	if url == "" {
@@ -33,15 +47,7 @@ func NewDownloader(targetOS TargetOS, logger logging.Logger, options *Downloader
 	}
 	var binDir string = options.BinDir
 	if binDir == "" {
-		switch targetOS {
-		case TargetOSLinux:
-			home, _ := os.UserHomeDir()
-			binDir = filepath.Join(home, "/.local/bin")
-		case TargetOSWindows:
-			binDir = "C:\\Program Files (x86)\\Godot"
-		case TargetOSMacOS:
-			binDir = "/Applications/Godot"
-		}
+		DefaultBinDir(targetOS)
 	}
 
 	return &Downloader{
@@ -51,26 +57,29 @@ func NewDownloader(targetOS TargetOS, logger logging.Logger, options *Downloader
 	}
 }
 
-func getRemoteFileFormat(targetOS TargetOS, version string) string {
+// getRemoteFileName returns the name of the Godot package file for the given target OS, version and release.
+func getRemoteFileName(targetOS TargetOS, version string, release string) string {
 	switch targetOS {
 	case TargetOSLinux:
 		if version[0] == '3' {
-			return "Godot_v%s-%s_x11.64.zip"
+			return fmt.Sprintf("Godot_v%s-%s_x11.64.zip", version, release)
 		}
-		return "Godot_v%s-%s_linux.x86_64.zip"
+		return fmt.Sprintf("Godot_v%s-%s_linux.x86_64.zip", version, release)
 	case TargetOSWindows:
-		return "Godot_v%s-%s_win64.exe.zip"
+		return fmt.Sprintf("Godot_v%s-%s_win64.exe.zip", version, release)
 	case TargetOSMacOS:
-		return "Godot_v%s-%s_macos.universal.zip"
+		return fmt.Sprintf("Godot_v%s-%s_macos.universal.zip", version, release)
 	}
 
 	return ""
 }
 
+// DownloadGodot downloads the Godot package for the given target OS, version, and release.
 func (d *Downloader) DownloadGodot(targetOS TargetOS, version string, release string) (string, error) {
 
-	var fileName string = fmt.Sprintf(getRemoteFileFormat(targetOS, version), version, release)
+	var fileName string = getRemoteFileName(targetOS, version, release)
 
+	// Create output file
 	tempDir, _ := os.MkdirTemp("", "godot-build-tools")
 	outFile := filepath.Join(tempDir, fileName)
 	out, err := os.Create(outFile)
@@ -79,6 +88,7 @@ func (d *Downloader) DownloadGodot(targetOS TargetOS, version string, release st
 	}
 	defer out.Close()
 
+	// Calculate download URL
 	downloadURL, err := url.Parse(d.downloadRepositoryURL)
 	if err != nil {
 		return "", fmt.Errorf("failed to parse download repository URL: %s", err)
@@ -92,12 +102,14 @@ func (d *Downloader) DownloadGodot(targetOS TargetOS, version string, release st
 	downloadURL.Path = path.Join(downloadURL.Path, fileName)
 	d.logger.Debugf("Download URL: %s", downloadURL.String())
 
+	// Download Godot package
 	resp, err := http.Get(downloadURL.String())
 	if err != nil {
 		return "", fmt.Errorf("failed to download Godot: %s", err)
 	}
 	defer resp.Body.Close()
 
+	// Write Godot package to output file
 	_, err = io.Copy(out, resp.Body)
 	if err != nil {
 		return "", fmt.Errorf("failed to write Godot package to output file: %s", err)
@@ -106,6 +118,26 @@ func (d *Downloader) DownloadGodot(targetOS TargetOS, version string, release st
 	return outFile, nil
 }
 
+// isTargetOSBin returns true if the given file name is a binary for the given target OS.
+func isTargetOSBin(targetOS TargetOS, fileName string) bool {
+	switch targetOS {
+	case TargetOSLinux:
+		if path.Ext(fileName) == ".x86_64" || path.Ext(fileName) == ".64" {
+			return true
+		}
+	case TargetOSWindows:
+		if path.Ext(fileName) == ".exe" {
+			return true
+		}
+	case TargetOSMacOS:
+		if path.Ext(fileName) == ".universal" {
+			return true
+		}
+	}
+
+	return false
+}
+
 func (d *Downloader) UnzipGodot(targetOS TargetOS, godotPackage string) (string, error) {
 	files, err := utils.Unzip(godotPackage)
 	if err != nil {
@@ -114,19 +146,8 @@ func (d *Downloader) UnzipGodot(targetOS TargetOS, godotPackage string) (string,
 
 	// Look for godot binary
 	for _, file := range files {
-		switch targetOS {
-		case TargetOSLinux:
-			if path.Ext(file) == ".x86_64" || path.Ext(file) == ".64" {
-				return file, nil
-			}
-		case TargetOSWindows:
-			if path.Ext(file) == ".exe" {
-				return file, nil
-			}
-		case TargetOSMacOS:
-			if path.Ext(file) == ".universal" {
-				return file, nil
-			}
+		if isTargetOSBin(targetOS, file) {
+			return file, nil
 		}
 	}
 

internal/flags.go

@@ -0,0 +1,44 @@
+package internal
+
+import (
+	"flag"
+	"strings"
+
+	"github.com/yeslayla/godot-build-tools/logging"
+)
+
+type BuildFlags struct {
+	stepsRaw string
+	DebugLog bool
+}
+
+// Steps returns the steps to run as a slice of strings
+func (f *BuildFlags) Steps() []string {
+	return strings.Split(f.stepsRaw, ",")
+}
+
+// HasStep returns true if the given step is in the list of steps to run
+func (f *BuildFlags) HasStep(step string) bool {
+	steps := f.Steps()
+	for _, s := range steps {
+		if s == step {
+			return true
+		}
+	}
+	return false
+}
+
+// Parse parses the flags
+func (f *BuildFlags) Parse() {
+	flag.Parse()
+}
+
+// NewBuildFlags creates a new BuildFlags instance
+func NewBuildFlags(logger logging.Logger) *BuildFlags {
+	flags := &BuildFlags{}
+
+	flag.StringVar(&flags.stepsRaw, "steps", "godot-setup", "Comma-separated list of build steps to run")
+	flag.BoolVar(&flags.DebugLog, "verbose", false, "Enable debug logging")
+
+	return flags
+}

internal/godot.go

@@ -2,45 +2,45 @@ package internal
 
 import "strings"
 
-type Godot4ArgBuilder struct {
+type DefaultGodotArgBuilder struct {
 	args []string
 }
 
-func NewGodot4ArgBuilder(projectDir string) GodotArgBuilder {
-	return &Godot4ArgBuilder{
+func NewGodotArgBuilder(projectDir string) GodotArgBuilder {
+	return &DefaultGodotArgBuilder{
 		args: []string{"--path", projectDir},
 	}
 }
 
-func (b *Godot4ArgBuilder) AddHeadlessFlag() {
+func (b *DefaultGodotArgBuilder) AddHeadlessFlag() {
 	b.args = append(b.args, "--headless")
 }
 
-func (b *Godot4ArgBuilder) AddDebugFlag() {
+func (b *DefaultGodotArgBuilder) AddDebugFlag() {
 	b.args = append(b.args, "--debug")
 }
 
-func (b *Godot4ArgBuilder) AddVerboseFlag() {
+func (b *DefaultGodotArgBuilder) AddVerboseFlag() {
 	b.args = append(b.args, "--verbose")
 }
 
-func (b *Godot4ArgBuilder) AddQuietFlag() {
+func (b *DefaultGodotArgBuilder) AddQuietFlag() {
 	b.args = append(b.args, "--quiet")
 }
 
-func (b *Godot4ArgBuilder) AddDumpGDExtensionInterfaceFlag() {
+func (b *DefaultGodotArgBuilder) AddDumpGDExtensionInterfaceFlag() {
 	b.args = append(b.args, "--dump-gdextension-interface")
 }
 
-func (b *Godot4ArgBuilder) AddDumpExtensionApiFlag() {
+func (b *DefaultGodotArgBuilder) AddDumpExtensionApiFlag() {
 	b.args = append(b.args, "--dump-extension-api")
 }
 
-func (b *Godot4ArgBuilder) AddCheckOnlyFlag() {
+func (b *DefaultGodotArgBuilder) AddCheckOnlyFlag() {
 	b.args = append(b.args, "--check-only")
 }
 
-func (b *Godot4ArgBuilder) AddExportFlag(exportType ExportType) {
+func (b *DefaultGodotArgBuilder) AddExportFlag(exportType ExportType) {
 	switch exportType {
 	case ExportTypeRelease:
 		b.args = append(b.args, "--export")
@@ -51,6 +51,6 @@ func (b *Godot4ArgBuilder) AddExportFlag(exportType ExportType) {
 	}
 }
 
-func (b *Godot4ArgBuilder) GenerateArgs() string {
+func (b *DefaultGodotArgBuilder) GenerateArgs() string {
 	return strings.Join(b.args, " ")
 }

internal/os.go

@@ -1,5 +1,7 @@
 package internal
 
+import "runtime"
+
 type TargetOS uint8
 
 const (
@@ -7,3 +9,31 @@ const (
 	TargetOSWindows
 	TargetOSMacOS
 )
+
+func (t TargetOS) String() string {
+	switch t {
+	case TargetOSLinux:
+		return "linux"
+	case TargetOSWindows:
+		return "windows"
+	case TargetOSMacOS:
+		return "macos"
+	}
+	return ""
+}
+
+func NewTargetOSFromRuntime(GOOSRuntime string) TargetOS {
+	switch GOOSRuntime {
+	case "linux":
+		return TargetOSLinux
+	case "windows":
+		return TargetOSWindows
+	case "darwin":
+		return TargetOSMacOS
+	}
+	return TargetOSLinux
+}
+
+func CurrentTargetOS() TargetOS {
+	return NewTargetOSFromRuntime(runtime.GOOS)
+}