This will delete and purge Xcode from the system and then proceed to reinstall it back (MacOS)

reinstall-xcode.sh

#! /bin/bash

#########################################################
# To Download and Install/Run
#   $ sudo -H su -c "$(curl -fsSL https://gist.githubusercontent.com/earendildev/c77791827ab6a3a87bfa3b8d8bb786e2/raw --output $HOME/reinstall-xcode.sh)"

# Created by [email protected]
#########################################################

# Kill XCode Process
killall Xcode

# Clean Project Folders
xcrun -k
xcodebuild -alltargets clean

# Removing XCode Cache
rm -rf "$(getconf DARWIN_USER_CACHE_DIR)/org.llvm.clang/ModuleCache"
rm -rf "$(getconf DARWIN_USER_CACHE_DIR)/org.llvm.clang.$(whoami)/ModuleCache"

# Purging XCode from System
rm -rf /Applications/Xcode.app
rm -rf ~/Library/Caches/com.apple.dt.Xcode
rm -rf ~/Library/Developer
rm -rf ~/Library/MobileDevice
rm -rf ~/Library/Preferences/com.apple.dt.Xcode.plist
rm -rf ~/Library/Preferences/com.apple.dt.xcodebuild.plist
sudo rm -rf /Library/Developer/CommandLineTools
sudo rm -rf /Library/Preferences/com.apple.dt.Xcode.plist
sudo rm -rf /System/Library/Receipts/com.apple.pkg.XcodeExtensionSupport.bom
sudo rm -rf /System/Library/Receipts/com.apple.pkg.XcodeExtensionSupport.plist
sudo rm -rf /System/Library/Receipts/com.apple.pkg.XcodeSystemResources.bom
sudo rm -rf /System/Library/Receipts/com.apple.pkg.XcodeSystemResources.plist
sudo rm -rf /private/var/db/receipts/com.apple.pkg.Xcode.bom

# Installing XCode
printf "Lets Install XCode"
sudo xcode-select --install
sudo xcode-select --reset