Initial scaffold: project structure, .gitignore, go.mod

internal/config/paths_linux.go

@@ -0,0 +1,26 @@
+//go:build linux
+
+package config
+
+import (
+	"os"
+	"path/filepath"
+)
+
+// ConfigDir returns ~/.config/syncwarden.
+func ConfigDir() string {
+	if xdg := os.Getenv("XDG_CONFIG_HOME"); xdg != "" {
+		return filepath.Join(xdg, "syncwarden")
+	}
+	home, _ := os.UserHomeDir()
+	return filepath.Join(home, ".config", "syncwarden")
+}
+
+// SyncthingConfigPath returns the default Syncthing config.xml path on Linux.
+func SyncthingConfigPath() string {
+	if xdg := os.Getenv("XDG_CONFIG_HOME"); xdg != "" {
+		return filepath.Join(xdg, "syncthing", "config.xml")
+	}
+	home, _ := os.UserHomeDir()
+	return filepath.Join(home, ".config", "syncthing", "config.xml")
+}