#!/bin/bash

#  make_e2fstools
#  PiShrink-macOS
#
#  Created by Simone Karin Lehmann on 13.03.18.
#  Copyright © 2018 LisaNet, BSD 2 clause license
#

### functions
download ()
{
cd "$PACKAGES"
down_FILE=$(basename "$1")
test -e "$down_FILE" || curl -LO "$1"
cd "$CMPL"
tar -xzf "$PACKAGES/$down_FILE"
}

BASE=$(pwd)
PACKAGES="/Volumes/Ramdisk/packages"
TARGET="/Volumes/Ramdisk/sw"
CMPL="/Volumes/Ramdisk/compile"
export CC=clang

### create RAM disk
if [ ! -e "/Volumes/Ramdisk" ]; then
  DEVICE=$(hdiutil attach -nomount ram://2048000)
  newfs_hfs -v Ramdisk $DEVICE
  diskutil mount $DEVICE
fi

### set up dirs
mkdir "$PACKAGES"
mkdir "$TARGET"
mkdir "$CMPL"

download https://netix.dl.sourceforge.net/project/e2fsprogs/e2fsprogs/v1.44.0/e2fsprogs-1.44.0.tar.gz
cd e2fs*
./configure --prefix "$TARGET" --disable-nls
make
cp -a e2fsck/e2fsck "$BASE"
cp -a resize/resize2fs "$BASE"
cp -a misc/tune2fs "$BASE"

download https://ftp.gnu.org/gnu/coreutils/coreutils-8.29.tar.xz
cd core*
./configure --prefix "$TARGET" --disable-nls
make
cp -a src/truncate "$BASE"

cd "$BASE"
diskutil eject "/Volumes/Ramdisk"