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#!/usr/bin/env bash
# import gentoo functions
source /lib/gentoo/functions.sh
# generic variables
export local releasename="kogaion"
export local releasetarget="desktop"
export local releaseversion="3"
export local kernelver="4.8.5-"$releasename""
export local chrootx64=""$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/kvasile/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"/"$releasename"-build.git"
# iso variables
export local bootcorepath="/tmp/bootcore"
export local bootcorefiles="/tmp/bootcore/cdroot/boot"
export local isouser="root"
export local isousertree="/usr/share/kvasile/usermodeset"
export local isomainoverlay="layman -f -a "$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 isochainloadcmd="grub2-mkimage -d /usr/lib64/grub/i386-pc -o core.img -O i386-pc biosdisk part_msdos fat"
export local isomainarch="x86_64"
export local isorootdir=""$releasename"-"$releasetarget"-"$releaseversion"-"$isomainarch""
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"
# generic functions (used for both build && iso creation)
kernelconfig () {
if [[ $(zgrep 'CONFIG_OVERLAY_FS=' /proc/config.gz) && $(zgrep "CONFIG_SQUASHFS=" /proc/config.gz) && $(zgrep "CONFIG_BLK_DEV_LOOP=" /proc/config.gz) ]] ; then
einfo "Kernel configuration seems OK, moving on"
sleep 1
else
eerror "Vasile needs OVERLAYFS && SQUASHFS && LOOP DEVICES to work"
eerror "Please rebuild the kernel with those activated to use it"
exit 1
fi
}
checkroot () {
if [[ "$(whoami)" != root ]] ; then
eerror "You're not root?...No cookies for you, go away !!!"
exit 1
fi
}
checkiflive () {
if [[ -L /dev/mapper/live-base ]] ; then
eerror "Running in Live mode is unsupported"
exit 1
fi
}
chrootchecksum () {
while : true ; do
if [[ -f "$chrootx64" && -f "$chrootx64md5" ]] ; then
einfo "Squashed chroot && Checksum file found"
if [[ "$(md5sum -c "$chrootx64md5")" ]] ; then
einfo "Squashed chroot checksum passed"
sleep 1
break
else
eerror "Squashed chroot checksum failed"
exit 1
fi
else
eerror "Squashed chroot || Checksum file not found"
exit 1
fi
done
}
# build functions
chrootstop () {
umount -l "$overlaydir"/proc > /dev/null 2>&1
umount -l "$overlaydir"/sys > /dev/null 2>&1
umount -l "$overlaydir"/dev/pts > /dev/null 2>&1
umount -l "$overlaydir"/dev/shm > /dev/null 2>&1
umount -l "$overlaydir"/dev > /dev/null 2>&1
umount -l "$overlaydir"/tmp > /dev/null 2>&1
umount -l "$overlaydir"/usr/portage/packages > /dev/null 2>&1
umount -l "$overlaydir"/usr/portage/distfiles > /dev/null 2>&1
umount -l "$overlaydir" > /dev/null 2>&1
umount -l "$rodir" > /dev/null 2>&1
}
chrootstart () {
mount -t squashfs "$chrootx64" "$rodir"
mount -t overlay -o lowerdir="$rodir",upperdir="$rwdir",workdir="$workdir" overlay "$overlaydir"
mount -o bind packages "$overlaydir"/usr/portage/packages
mount -o bind distfiles "$overlaydir"/usr/portage/distfiles
mount -t proc proc "$overlaydir"/proc
mount -t sysfs sysfs "$overlaydir"/sys
mount -t devtmpfs -o relatime,size=3055348k,nr_inodes=763837,mode=755 none "$overlaydir"/dev
mount -t devpts -o nosuid,noexec,relatime,gid=5,mode=620 none "$overlaydir"/dev/pts
mount -t tmpfs -o nosuid,nodev none "$overlaydir"/dev/shm
mount -t tmpfs -o nosuid,nodev,noexec none "$overlaydir"/tmp
}
chrootdevtree () {
einfo "Injecting devmode portage tree"
sleep 1
chroot "$overlaydir" su - "$chrootuser" -c "$chrootdevtree"
}
chrootoverlays () {
einfo "Injecting "$releasename" "$releasetarget" overlay"
sleep 1
chroot "$overlaydir" su - "$chrootuser" -c "$chrootmainoverlay"
}
chrootbuildsystem () {
einfo "Injecting "$releasename" buildsystem"
sleep 1
chroot "$overlaydir" su - "$chrootuser" -c "$chrootbuildgit"
}
chrootbuild () {
einfo "All systems are go!"
sleep 1
chroot "$overlaydir" su - "$chrootuser" -c "$chrootbuildtarget"
}
chrootx64 () {
einfo "DROPPING YOU TO A ROOT SHELL INTO BUILD ENVIRONMENT"
einfo "FIX FAILURES && ADJUST PORTAGE CONFIGURATION FILES"
einfo "TEST USEFLAGS && KEYWORDS && MASKS IF REQUIRED"
einfo "IN THE END : DO NOT FORGET TO COMMIT YOUR CHANGES"
chroot "$overlaydir" su - "$chrootuser"
}
# iso functions
isostart () {
mount -o bind packages "$isosyncdir"/usr/portage/packages
mount -t proc proc "$isosyncdir"/proc
mount -t sysfs sysfs "$isosyncdir"/sys
mount -t devtmpfs -o relatime,size=3055348k,nr_inodes=763837,mode=755 none "$isosyncdir"/dev
mount -t devpts -o nosuid,noexec,relatime,gid=5,mode=620 none "$isosyncdir"/dev/pts
mount -t tmpfs -o nosuid,nodev none "$isosyncdir"/dev/shm
mount -t tmpfs -o nosuid,nodev,noexec none "$isosyncdir"/tmp
}
isostop () {
umount -l "$isosyncdir"/proc > /dev/null 2>&1
umount -l "$isosyncdir"/sys > /dev/null 2>&1
umount -l "$isosyncdir"/dev/pts > /dev/null 2>&1
umount -l "$isosyncdir"/dev/shm > /dev/null 2>&1
umount -l "$isosyncdir"/dev > /dev/null 2>&1
umount -l "$isosyncdir"/tmp > /dev/null 2>&1
umount -l "$isosyncdir"/usr/portage/packages > /dev/null 2>&1
}
isousertree () {
einfo "Injecting usermode portage tree"
sleep 1
chroot "$isosyncdir" su - "$isouser" -c "$isousertree"
}
isooverlays () {
einfo "Injecting "$releasename" "$releasetarget" overlay"
sleep 1
chroot "$isosyncdir" su - "$isouser" -c "$isomainoverlay"
}
isobuildsystem () {
einfo "Injecting "$releasename" buildsystem"
sleep 1
chroot "$isosyncdir" su - "$isouser" -c "$isobuildgit"
}
isoramfs () {
chroot "$isosyncdir" su - "$isouser" -c "$isodracutcmd"
}
isoefiimg () {
chroot "$isosyncdir" su - "$isouser" -c "$isoeficmd"
}
isochainload () {
chroot "$isosyncdir" su - "$isouser" -c "$isochainloadcmd"
}
isoservices () {
for service in avahi-daemon cups connman dkms dm-event kogaionlive lightdm lvm2-lvmetad lvm2-monitor NetworkManager ModemManager virtualbox-guest-additions ; do
chroot "$isosyncdir" su - "$isouser" -c "systemctl enable "$service""
done
}
isochroot () {
einfo "DROPPING YOU TO A ROOT SHELL INTO ISO ENVIRONMENT"
einfo "INSTALL APPS & TARGETS & DES YOU WANT INSIDE ISO"
einfo "EXIT WHEN YOU'RE DONE AND I'LL CREATE THE IMAGE"
chroot "$isosyncdir" su - "$isouser"
}
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