Refactor: Split into more packages to reduce server binary size

global/init.go

@@ -0,0 +1,39 @@
+package global
+
+import (
+	"os"
+
+	"github.com/rwinkhart/go-boilerplate/back"
+)
+
+// DirInit creates the libmutton directories.
+// Returns: oldDeviceID (from before the directory reset; will be FSMisc if there is no pre-existing ID).
+func DirInit(preserveOldConfigDir bool) string {
+	// create EntryRoot
+	err := os.MkdirAll(EntryRoot, 0700)
+	if err != nil {
+		back.PrintError("Failed to create \""+EntryRoot+"\": "+err.Error(), back.ErrorWrite, true)
+	}
+
+	// get old device ID before its potential removal
+	oldDeviceID := GetCurrentDeviceID()
+
+	// remove existing config directory (if it exists and not in append mode)
+	if !preserveOldConfigDir {
+		_, isAccessible := back.TargetIsFile(ConfigDir, false, 1)
+		if isAccessible {
+			err = os.RemoveAll(ConfigDir)
+			if err != nil {
+				back.PrintError("Failed to remove existing config directory: "+err.Error(), back.ErrorWrite, true)
+			}
+		}
+	}
+
+	// create config directory w/devices subdirectory
+	err = os.MkdirAll(ConfigDir+PathSeparator+"devices", 0700)
+	if err != nil {
+		back.PrintError("Failed to create \""+ConfigDir+"\": "+err.Error(), back.ErrorWrite, true)
+	}
+
+	return oldDeviceID
+}