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
+}