session-ios/Scripts/clean-up-old-test-simulators.sh

#!/usr/bin/env bash
#
# Script used with Drone CI to delete any test simulators created by the pipeline that are older than 1
# hour (the timeout for iOS builds) to ensure we don't waste too much HDD space with test simulators.

dir="$HOME/Library/Developer/CoreSimulator/Devices"

# Plist file
plist="${dir}/device_set.plist"

if [[ ! -f ${plist} ]]; then
	echo -e "\e[31;1mXCode Simulator list not found.\e[0m"
	exit 1
fi

# Delete any unavailable simulators
xcrun simctl delete unavailable

# Convert the plist to JSON and get the UUIDs
uuids=$(plutil -convert json -o - "$plist" | jq -r '.. | select(type=="string")')

# Create empty arrays to store the outputs
uuids_to_leave=()
uuids_to_remove=()

# Find directories older than an hour
while read -r dir; do
  # Get the last component of the directory path
  dir_name=$(basename "$dir")

  # Check if the directory name is in the list of UUIDs
  if ! echo "$uuids" | grep -q "$dir_name"; then
    uuids_to_remove+=("$dir_name")
  else
    uuids_to_leave+=("$dir_name")
  fi
done < <(find "$dir" -maxdepth 1 -type d -not -path "$dir" -mmin +60)

# Delete the simulators
if [ ${#uuids_to_remove[@]} -eq 0 ]; then
  echo "\e[31mNo simulators to delete\e[0m"
else
  echo -e "\e[31mDeleting ${#uuids_to_remove[@]} old test Simulators:\e[0m"
  for uuid in "${uuids_to_remove[@]}"; do
    echo -e "\e[31m    $uuid\e[0m"
    # xcrun simctl delete "$uuid"
  done
fi

echo -e "\e[32m\nLeaving ${#uuids_to_leave[@]} Xcode Simulators:\e[0m"
for uuid in "${uuids_to_leave[@]}"; do
  echo -e "\e[32m    $uuid\e[0m"
done