#!/usr/bin/env bash
# Say Hello to Vasile, a modular script to build Kogaion/Argent Linux packages && ISO images using a clean squashfs + overlayfs chroot
# Main author : Ghiunhan Mamut (aka V3n3RiX) @ RogentOS Development Group
# Dependencies : kernel built with squashfs + overlayfs + loopback support && sys-fs/grub:2 && sys-fs/squashfs-tools && dev-libs/libisoburn && sys-fs/mtools
#

# generic variables

export local releasename="kogaion"
export local releasetarget="desktop"
export local releaseversion="3"
export local kernelver="3.14.50-"$releasename""
export local chrootx64=""$releasename"_"$releaseversion"_core_x64.squashfs"
export local chrootx64md5=""$chrootx64".md5"

# build variables

export local rodir="rodir"
export local rwdir="rwdir"
export local workdir="workdir" # only needed for overlayfs on kernel greather than 3.18
export local overlaydir="overlaydir"
export local chrootuser="root"
export local chroottarget="${@:2}"
export local chrootbuildtarget="emerge -kav "$chroottarget""
export local chrootdevtree="/usr/share/vasile-kogaion/devmodeset"
export local chrootmainoverlay="layman -f -a "$releasename"-"$releasetarget" -o https://gitlab.com/"$releasename"/"$releasename"-"$releasetarget"/raw/master/overlay.xml"
export local chrootbuildgit="cd /opt && git clone https://gitlab.com/"$releasename"/"$releasename"-build.git"

# iso variables

export local bootcorepath="/tmp/bootcore"
export local bootcorefiles="/tmp/bootcore/cdroot/boot"
export local isouser="root"
export local isotarget="${@:2}"
export local isoinstalltarget="emerge -Kav "$isotarget""
export local isousertree="/usr/share/vasile-kogaion/usermodeset"
export local isomainoverlay="layman -f -a "$releasename"-"$releasetarget" -o https://gitlab.com/"$releasename"/"$releasename"-"$releasetarget"/raw/master/overlay.xml"
export local isobuildgit="cd /opt && git clone https://gitlab.com/"$releasename"/"$releasename"-build.git"

export local isodracutcmd="dracut -N -a dmsquash-live -a pollcdrom -o systemd -o systemd-initrd -o systemd-networkd -o dracut-systemd --force --kver "$kernelver""
export local isodracutrd="initramfs-"$kernelver".img"
export local isoeficmd="grub2-mkimage -d /usr/lib64/grub/x86_64-efi -o bootx64.efi -O x86_64-efi ext2 fat udf btrfs ntfs reiserfs xfs hfsplus lvm ata part_msdos part_gpt part_apple bsd search_fs_uuid normal chain iso9660 configfile help loadenv reboot cat search memdisk tar boot linux chain"
export local isomainarch="x86_64"
export local isorootdir=""$releasename"-"$releasetarget"-"$releaseversion"-"$isomainarchx64""
export local isokernelname="kernel-genkernel-"$isomainarch"-"$kernelver""
export local isostagingdir="/tmp/"$isorootdir""
export local isosupersquashdir=""$isorootdir"/CDroot"
export local isolivesqfsdir=""$isosupersquashdir"/LiveOS"
export local isoliveosdir=""$isorootdir"/LiveOS"
export local isosyncdir=""$isorootdir"/rootfs"
export local isobootdir=""$isorootdir"/boot/grub"
export local isoefibootdir=""$isorootdir"/efi/boot"
export local dracutrd="initramfs-genkernel-"$isomainarch"-"$kernelver""
export local dracutcmd="dracut -N -o systemd -o systemd-initrd -o systemd-networkd -o dracut-systemd --force --kver "$kernelver" "/boot/"$dracutrd"""

source /usr/lib/vasile-kogaion/libvasile-kogaion

case $1 in
	--build)		source /usr/share/vasile-kogaion/buildpkg
					;;
	--iso)			source /usr/share/vasile-kogaion/buildiso
					;;
	--usermode)		source /usr/share/vasile-kogaion/modereset
					source /usr/share/vasile-kogaion/usermodeset
					;;
	--devmode)		source /usr/share/vasile-kogaion/modereset
					source /usr/share/vasile-kogaion/devmodeset
					;;
	--help)			echo -e ""
					echo -e "Usage: vasile-kogaion [options]"
					echo -e ""
					echo -e "Options:"
					echo -e "--buildpkg : build package/target in a clean squashed core"
					echo -e "--buildiso : build iso based on clean squashed core + targets"
					echo -e "--usermodeset : switch INSTALLED Kogaion system to usermode (use binary packages from repositories)"
					echo -e "--devmodeset : switch INSTALLED Kogaion system to devmode (use source packages from portage tree )"
					echo -e "--help : display this help and exit"
					echo -e ""
					;;
	*)				echo -e "error: no operation specified, use --help for help"
					;;
esac

exit 0