Refactor: Split into more packages to reduce server binary size

core/init.go

@@ -1,61 +1,15 @@
 package core
 
 import (
-	"os"
-
 	"github.com/rwinkhart/go-boilerplate/back"
+	"github.com/rwinkhart/libmutton/global"
 	"github.com/rwinkhart/rcw/wrappers"
 )
 
 // RCWSanityCheckGen generates the RCW sanity check file for libmutton.
 func RCWSanityCheckGen(passphrase []byte) {
-	err := wrappers.GenSanityCheck(ConfigDir+PathSeparator+"sanity.rcw", passphrase)
+	err := wrappers.GenSanityCheck(global.ConfigDir+global.PathSeparator+"sanity.rcw", passphrase)
 	if err != nil {
 		back.PrintError("Failed to generate sanity check file: "+err.Error(), back.ErrorWrite, true)
 	}
 }
-
-// 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
-}
-
-// GetOldDeviceID returns the current device ID or
-// FSMisc if there is no device ID (e.g. first run).
-func GetCurrentDeviceID() string {
-	deviceIDList := GenDeviceIDList(false) // errorOnFail is false so that nil is received when the devices directory does not exist
-	var deviceID string
-	if deviceIDList != nil && len(*deviceIDList) > 0 { // ensure not derferencing nil, which occurs when the devices directory does not exist
-		deviceID = (*deviceIDList)[0].Name()
-	} else {
-		deviceID = FSMisc // indicates to server that no device ID is being replaced
-	}
-	return deviceID
-}