#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (C) 2023 JELOS (https://github.com/JustEnoughLinuxOS)

. /etc/profile

LOG="/var/log/boot.log"

### This script contains items that we only want to execute after a JELOS upgrade,
### or after a fresh installation.

### Items in this block should always run after updates.
################################################################################

echo "Rebuild library cache..." >>${LOG}
### Rebuild the library cache
rm -f /storage/.cache/ld.so.cache
ldconfig -X

echo "Sync configuration files..." >>${LOG}
### Sync configurations
if [ -d "/storage/.config/system/configs" ]
then
  EXCLUDE="--exclude=configs"
fi

### Remove and link es configs so they are managed with OS updates.
for es_cfg in es_features.cfg es_systems.cfg
do
  mv /storage/.config/emulationstation/${es_cfg} /storage/.config/emulationstation/last_${es_cfg} >/dev/null 2>&1
  ln -s /usr/config/emulationstation/${es_cfg} /storage/.config/emulationstation/${es_cfg}  >/dev/null 2>&1
done

rsync -a --delete ${EXCLUDE} /usr/config/system/ /storage/.config/system/
rsync -a --ignore-existing /usr/config/game /storage/.config/
rsync -a /usr/config/modules /storage/.config/

if [ -f "/storage/.config/emulationstation/resources/logo.png" ]
then
  rm -f /storage/.config/emulationstation/resources/logo.png
fi

echo "Sync modules..." >>${LOG}
rsync -a /usr/config/modules/* /storage/.config/modules/
cp -f /usr/config/retroarch/retroarch-core-options.cfg /storage/.config/retroarch/retroarch-core-options.cfg

### Apply developer ssh keys if they exist
echo "Apply dev keys if available..." >>${LOG}
if [ -e /usr/config/ssh/authorized_keys ]
then
  cp /usr/config/ssh/authorized_keys /storage/.ssh
fi

### Sync rsync configs
echo "Update rsync configuration files..." >>${LOG}
rsync --ignore-existing /usr/config/rsync-rules.conf /storage/.config/
rsync --ignore-existing /usr/config/rsync.conf /storage/.config/

### Sync locale data
rsync -a --delete /usr/config/locale/* /storage/.config/locale/ >>/var/log/configure.log 2>&1
rm -rf /storage/.config/emulationstation/locale >>/var/log/configure.log 2>&1 ||:
ln -sf /usr/share/locale /storage/.config/emulationstation/locale >>/var/log/configure.log 2>&1 ||:

### Add items below this line that are safe to remove after a period of time.
################################################################################

### 20231114 - Update hosts.conf
grep "127.0.0.1" /storage/.config/hosts.conf >/dev/null 2>&1 || cp /usr/config/hosts.conf /storage/.config/

### 20231127 - Migrate games to overlayfs (updated 20231203)
NULL=$(cat /proc/mounts | grep -v -e "/storage/roms" 2>/dev/null | grep ${1})
if [ ! "$?" = 0 ]
then
  umount /storage/roms
fi
GAMECOUNT=$(find /storage/roms -type f | wc -l)
if [ "${GAMECOUNT}" -gt 20 ] && \
   [ ! -e "/storage/.migrated_games" ]
then
  echo "Migrating games to overlayfs" >>${LOG}
  if [ -d "/storage/games-internal" ]
  then
    echo "Backing up games-internal" >>${LOG}
    mv /storage/games-internal /storage/games-internal.backup
  fi
  mv /storage/roms /storage/games-internal
  mkdir /storage/roms
  touch /storage/.migrated_games
else
  echo "Game weight too low (${GAMECOUNT}) or content already migrated." >>${LOG}
fi

### Migration part 2
if [ ! -e "/storage/.migrated_games2" ]
then
  for GAMES in /storage/games-internal /storage/games-external
  do
    if [ ! -d "${GAMES}/roms" ]
    then
      mkdir -p "${GAMES}/roms" 2>/dev/null
    fi
    mv "${GAMES}"/* "${GAMES}/roms/" 
  done
  touch /storage/.migrated_games2
fi

### 20231129 - Don't default to performance.
EPP=$(get_setting system.power.epp)
if [ -z "${EPP}" ] || \
   [ "${EPP}" = "performance" ]
then
  EPP="balance_performance"
  set_setting system.power.epp ${EPP}
fi

### 20231130 - Replace smb.conf for new overlay mechanism.
cp -f /usr/config/smb.conf /storage/.config

### 20231202 - Remove stale profile bits if they exist.
for FILE in 001-deviceconfig 99-mixer
do
  rm -f /storage/.config/profile.d/${FILE} 2>/dev/null
done

### 20231203 - Disable merged storage by default.
MERGED_STORAGE=$(get_setting system.merged.storage)
if [ -z "${MERGED_STORAGE}" ]
then
  set_setting system.merged.storage 0
fi

systemctl restart jelos-automount