Tries its best to find things related to an app and remove it

basicAppRemover

#!/bin/bash

set -euo pipefail

function remove()
{
  paths=("$@")
  for path in "${paths[@]}"
  do
    if [[ -e $path ]]; then
      echo "Removing $path"
      rm -r "$path"
    fi
  done
}

app="DEPNotify"  # Options should read 'App Name'
loggedInUser=$( echo "show State:/Users/ConsoleUser" | scutil | awk '/Name :/ && ! /loginwindow/ { print $3 }' )
loggedInUserHomeDir="/Users/$loggedInUser"

# Check in /Applications
app_path="/Applications/${app}.app"
if [[ ! -d $app_path ]]; then
  # Check in /Users/<user>/Applications
  app_path="$loggedInUserHomeDir/Applications/${app}.app"
fi

# Check in /Applications/Utilities
if [[ ! -d $app_path ]]; then
  app_path="/Applications/Utilities/${app}.app"
fi

if [[ ! -d $app_path ]]; then
  echo "Application path must be in /Applications, /Applications/Utilities, or $loggedInUserHomeDir/Applications"
  exit 1
fi

if (( EUID != 0 )); then
  if [[ ! -w $app_path ]]; then
    echo "$app_path cannot be deleted. Try running this again with 'sudo'"
    exit 1
  fi
fi

plist_path="${app_path}/Contents/Info.plist"
if [[ ! -f $plist_path ]]; then
  echo "No plist at $plist_path"
  exit 1
fi

identifier=$(defaults read "$plist_path" CFBundleIdentifier)
if [[ -z "$identifier" ]]; then
  echo "Couldn't determine bundle identifier '$identifier'"
  exit 1
fi

appname=$(basename "${app_path%.*}")
pkill -f "$app_path" || true
lines=$(pgrep -f "$(echo "$app_path" | sed -E 's/(.)/[\1]/')" | wc -l | xargs || true)
if [[ $lines -gt 0 ]]; then
  echo "Please quit $appname and try again"
  exit 1
fi

remove "$app_path"
remove "$loggedInUserHomeDir/Library/Application Support/$appname"
remove "$loggedInUserHomeDir/Library/Application Support/$identifier"
remove "$loggedInUserHomeDir/Library/Containers/$identifier"*
remove "$loggedInUserHomeDir/Library/Caches/$appname"
remove "$loggedInUserHomeDir/Library/Caches/$identifier"
remove "$loggedInUserHomeDir/Library/$appname"
remove "$loggedInUserHomeDir/Library/Preferences/"*"$identifier"*".plist"
remove "$loggedInUserHomeDir/Library/Saved Application State/$identifier.savedState"
remove "$loggedInUserHomeDir/Library/SyncedPreferences/$identifier"*".plist"
remove "$loggedInUserHomeDir/Library/WebKit/$identifier"

exit 0