# Contributor: Carlo Landmeter <clandmeter@gmail.com>
# Maintainer: A. Wilcox <awilfox@adelielinux.org>
pkgname=grub
pkgver=2.12_rc1
_pkgver=$(printf '%s' "$pkgver" | tr _ \~)
pkgrel=1
pkgdesc="Boot loader with support for Linux, Multiboot and more"
url="https://www.gnu.org/software/grub/"
arch="all"
# strip handled by grub Makefiles, abuild strip breaks xen pv-grub
options="!check !strip"  # Cannot test boot loader.
license="GPL-3.0+"
depends=""
makedepends="bison flex freetype-dev fuse-dev linux-headers lvm2-dev python3
	unifont xz"
# [22:02] <@awilfox> [[sroracle]]: grub breaks without its locale files present
# [22:02] <@awilfox> it cannot be split
subpackages="$pkgname-dev $pkgname-doc $pkgname-mount"

flavors=""
case "$CARCH" in
x86|pmmx)	flavors="efi bios";;
x86_64)		flavors="efi bios xenhost";;
aarch64)	flavors="efi";;
arm*)		flavors="efi uboot";;
ppc*)		flavors="ieee1275"; makedepends="$makedepends powerpc-utils" ;;
sparc*)		flavors="ieee1275";;
mips*)		flavors="arc";;
riscv*)		flavors="efi";;
esac
for f in $flavors; do
	subpackages="$subpackages $pkgname-$f"
done

install="$pkgname.post-upgrade"

source="https://alpha.gnu.org/gnu/$pkgname/$pkgname-$_pkgver.tar.xz
	adelie-branding.patch
	grub2-accept-empty-module.patch
	0001-unmerged-usr.patch
	0002-revert-gawk.patch
	0003-spcr-revision.patch
	0004-videoinfo-no-reinit.patch
	0005-vsnprintf.patch
	0006-cryptodisk-retval.patch
	0007-efi_gop-shadow.patch
	0008-efi-pure64.patch
	0009-linux-mixed-mode.patch
	0010-fix-gcc-no-pie-specs.patch
	grub-xen-host_grub.cfg
	default-grub
	update-grub
	quirk-01_radeon_agpmode
	"
builddir="$srcdir/$pkgname-$_pkgver"

_build_flavor() {
	flavor="$1"
	shift
	_configure="$@"
	CFLAGS="${CFLAGS} -fno-reorder-functions" # Workaround for image#403
	case $CTARGET_ARCH in
		ppc64) export CFLAGS="${CFLAGS} -mno-altivec";;  # Workaround for http://savannah.gnu.org/bugs/?52629
	esac

	msg "Building grub for platform $flavor"
	mkdir -p "$srcdir"/build-$flavor
	cd "$srcdir"/build-$flavor
	$builddir/configure \
		--build=$CBUILD \
		--host=$CHOST \
		--target=$CTARGET \
		--prefix=/usr \
		--sysconfdir=/etc \
		--mandir=/usr/share/man \
		--localstatedir=/var \
		--disable-nls \
		--disable-werror \
		$_configure
	make
}

build() {
	f=""
	for f in $flavors; do
		case "$f" in
		bios)		_build_flavor $f --with-platform=pc;;
		efi)		_build_flavor $f --with-platform=efi --disable-efiemu;;
		xenhost)	_build_flavor $f --with-platform=xen;;
		*)		_build_flavor $f --with-platform=$f;;
		esac
	done
}

_install_xen() {
	grub_dir=`mktemp -d`
	cfg=`mktemp`
	grub_memdisk=`mktemp`

	mkdir -p $grub_dir/boot/grub
	echo 'normal (memdisk)/grub.cfg' > $cfg
	sed -e "s/@@PVBOOT_ARCH@@/$CARCH/g" \
		$srcdir/grub-xen-host_grub.cfg \
			> $grub_dir/grub.cfg
	tar -cf - -C $grub_dir grub.cfg > $grub_memdisk

	./grub-mkimage \
		-O $CARCH-xen \
		-c $cfg \
		-d ./grub-core ./grub-core/*.mod \
		-m $grub_memdisk \
		-o $pkgdir/grub-$CARCH-xen.bin

	rm -r "$grub_dir"
	rm "$cfg" "$grub_memdisk"
}

_install_flavor() {
	flavor="$1"
	cd "$srcdir"/build-$flavor
	case $flavor in
	xenhost)	_install_xen;;
	*)	 	make DESTDIR="$pkgdir" install-strip;;
	esac
}

package() {
	# install BIOS & EFI version into the same directory
	# and overwrite similar files.
	for f in $flavors; do
		_install_flavor $f
	done

	rm -f "$pkgdir"/usr/lib/charset.alias
	install -D -m644 "$srcdir"/default-grub "$pkgdir"/etc/default/grub
	install -D -m755 "$srcdir"/update-grub "$pkgdir"/usr/sbin
	# remove grub-install warning of missing directory
	mkdir -p "$pkgdir"/usr/share/locale

	for i in "$srcdir"/quirk-*; do
		install -Dm755 "$i" \
			"$pkgdir"/etc/grub-quirks.d/"${i##"$srcdir"/quirk-}"
	done

	mkdir -p "$pkgdir"/etc/easy-boot.d
	ln -s ../../usr/sbin/update-grub \
		"$pkgdir"/etc/easy-boot.d/50-grub
}

bios() {
	pkgdesc="$pkgdesc (BIOS version)"
	depends="$pkgname"
	mkdir -p "$subpkgdir"/usr/lib/grub
	mv "$pkgdir"/usr/lib/grub/*-pc "$subpkgdir"/usr/lib/grub/
}

efi() {
	pkgdesc="$pkgdesc (EFI version)"
	depends="$pkgname efibootmgr efivar"
	mkdir -p "$subpkgdir"/usr/lib/grub
	mv "$pkgdir"/usr/lib/grub/*-efi "$subpkgdir"/usr/lib/grub/
}

xenhost() {
	pkgdesc="$pkgdesc (Xen host version)"
	mkdir -p "$subpkgdir"/usr/lib/grub-xen
	mv "$pkgdir"/*-xen.bin "$subpkgdir"/usr/lib/grub-xen/
}

ieee1275() {
	pkgdesc="$pkgdesc (IEEE-1275 OpenFirmware version)"
	case $CTARGETARCH in
		ppc*) depends="$pkgname powerpc-utils"
	esac
	mkdir -p "$subpkgdir"/usr/lib/grub
	mv "$pkgdir"/usr/lib/grub/*-ieee1275 "$subpkgdir"/usr/lib/grub/
}

uboot() {
	pkgdesc="$pkgdesc (U-Boot version)"
	mkdir -p "$subpkgdir"/usr/lib/grub
	mv "$pkgdir"/usr/lib/grub/*-uboot "$subpkgdir"/usr/lib/grub/
}

mount() {
	pkgdesc="Utility to mount filesystems using GRUB modules"
	depends="$pkgname"
	mkdir -p "$subpkgdir"/usr/bin/
	mv "$pkgdir"/usr/bin/grub-mount "$subpkgdir"/usr/bin/
}

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4a6c909a1150b057fb0563f7a0646db33e16f84d6a8c443ef7db4003efd56c211a52f87699c5c95a6ccde65f6db46a8711a5b784f38479db804938dfe3115439  adelie-branding.patch
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de798c8907ab5c3f00b42bf10a63a5666af2076932a46ec6e484c67303bef0509e7787910392f75b3e4ccb9aa17d67f2ef5f5fc1eed3dcdf96f598dc2400ade4  0001-unmerged-usr.patch
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0a69b2f9cb178b8ae4a7b96f1cb801ef6d6d7942a842346de5017b6fdb5a8bd6db1ad55fdd9cc41a6c4660be9985621008d1da1dc45510d6ffed425f0f4997d1  0005-vsnprintf.patch
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a16569a037b29a669d5bd68f6130b1c59870f8bb660bf98b318f0dac39bb9a0026d76e2d47298e2b22a91f75aa34c234785149b61e699dfdde27020210023e84  0007-efi_gop-shadow.patch
13a819813b82ed13752dff2bf2ddaf47e1c369f10148a988a2517d51f33c11ee187f3c6909c08a1b922440aebebe1f3178fe8f63f85055129b74893885e0db1f  0008-efi-pure64.patch
911a28fa28f966369039e14062deaf90c81818c06fb3f44add27c395a3074b8c1b858a47c1a97909e07b813a87633bf244e5ee4db23f9d429edd9a05f5b5d72a  0009-linux-mixed-mode.patch
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1cb675fa0af9a1fd8d1a868e3e9de3bfef7eada66c5df0cfef23eca33e93e676eed6e1f67c679690f3e581565b350a9f3ba01aa9b89de66c970ea61ca21bcd65  default-grub
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