From 61170d499ffb180349ec7b0fba65c5abbd5604d6 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Paul=20H=C3=A4nsch?= <paul@plutz.net>
Date: Tue, 26 Nov 2019 02:12:44 +0100
Subject: [PATCH] miltiboot BIOS/EFI * USB/CD-ROM for .iso image builder

---
 Makefile | 34 ++++++++++++++--------------------
 1 file changed, 14 insertions(+), 20 deletions(-)

diff --git a/Makefile b/Makefile
index b683f13..326d2b8 100644
--- a/Makefile
+++ b/Makefile
@@ -255,7 +255,7 @@ _config: ${CFGROOT}
 		>"$${CFGROOT}/etc/fstab"
 	chroot "$${CFGROOT}" update-initramfs -u
 
-${SQUASH}: ${CFGROOT} .FORCE
+${SQUASH}: ${CFGROOT}
 	-rm "$${SQUASH}"
 	mksquashfs "$${CFGROOT}" "$${SQUASH}" -comp xz
 
@@ -267,7 +267,8 @@ _squash: ${SQUASH} _squash_modules
 _isosquash: ${ISOROOT}/live/live.squashfs
 ${ISOROOT}/live/live.squashfs: ${CFGROOT} ${ISOROOT} .FORCE
 	-rm "$@"
-	printf '%s\n' boot |mksquashfs "$${CFGROOT}" "$@" -comp xz -ef /dev/stdin
+	{ cd "$${CFGROOT}"; printf '%s\n' boot/*; } \
+	| mksquashfs "$${CFGROOT}" "$@" -comp xz -ef /dev/stdin
 
 ${VOLUME}: .FORCE
 	! printf '%s\n' "$${VOLUME}" |grep -q '^/dev/'  # abort if volume should be real device
@@ -305,11 +306,8 @@ _format_boot: ${PBOOT}
 
 _format: _format_root _format_boot
 
-_iso_image: ${ISOROOT} # _efi_iso _efi_umount
-	xorriso -as mkisofs -o "$${ISO}" -isohybrid-mbr /usr/lib/ISOLINUX/isohdpfx.bin \
- 		-b isolinux.bin -c boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table \
-		"$${ISOROOT}"
-		# -eltorito-alt-boot -e efi.img -no-emul-boot -isohybrid-gpt-basdat \
+_iso_image: ${ISOROOT}
+	grub-mkrescue -o "$${ISO}" "$${ISOROOT}"
 
 .PHONY: _syslinux_efi32 _syslinux_efi64 _syslinux_bios
 .PHONY: _grub_efi32 _grub_efi64
@@ -363,17 +361,16 @@ _bootloader_pc: ${CFGROOT} _grub_efi32 _grub_efi64 _syslinux_bios #_syslinux_efi
 		"$$k" "$$i" >>"$${CFGROOT}/boot/grub.cfg"
 
 _bootloader_iso: ${CFGROOT} ${ISOROOT}
-	# grub-mkimage -p / -O i386-pc-eltorito biosdisk iso9660 normal linux all_video >"$${ISOROOT}/grub.bin"
+	mkdir -p "$${ISOROOT}/boot/grub/"
 	cp -L "$${CFGROOT}/vmlinuz" "$${CFGROOT}/initrd.img" "$${ISOROOT}"
-	cp /usr/lib/ISOLINUX/isolinux.bin $(addprefix /usr/lib/syslinux/modules/bios/, ldlinux.c32 menu.c32 libutil.c32) "$${ISOROOT}"
-	# printf '%s\n' "set timeout=10" "default=buster" \
-	# 	"menuentry 'Debian Buster' --id 'buster' {" \
-	# 	"linux '/vmlinuz' boot=live" "initrd '/initrd.img'" "}" \
-	# 	>"$${ISOROOT}/grub.cfg"
-	printf '%s\n' "UI menu.c32" "DEFAULT buster" "TIMEOUT 100" \
-		"LABEL buster" "  MENU LABEL Debian Buster 64bit" \
-		"  KERNEL /vmlinuz" "  APPEND initrd=/initrd.img boot=live" \
-		>"$${ISOROOT}/syslinux.cfg"
+	printf '%s\n' "set timeout=10" "default=buster" \
+		"menuentry 'Debian Buster' --id 'buster' {" \
+		"linux '/vmlinuz' boot=live" "initrd '/initrd.img'" "}" \
+		>"$${ISOROOT}/boot/grub/grub.cfg"
+	-[ -f "$${ISOROOT}/install/initrd.gz" -a -f "$${ISOROOT}/install/linux" ] && \
+	printf '%s\n' "menuentry 'Install Debian' --id 'install' {" \
+		"linux '/install/linux'" "initrd '/install/initrd.gz'" "}" \
+		>>"$${ISOROOT}/boot/grub/grub.cfg"
 
 _efi_mount: ${PBOOT}
 	-umount "efi/"
@@ -383,9 +380,6 @@ _efi_mount: ${PBOOT}
 _efi_umount: _efi_mount
 	umount efi/ && rmdir efi/
 
-_efi_iso: _efi_mount _grub_efi32 _grub_efi64
-	cp -r "$${CFGROOT}/boot/EFI/." "efi/EFI/"
-
 .PHONY: _syslinux_mbr _grub_mbr
 
 _syslinux_mbr: ${VOLUME}
-- 
2.39.2