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# generic functions (used for both build && iso creation)
kernelconfig () {
if [[ $(zgrep 'CONFIG_OVERLAYFS_FS=' /proc/config.gz) && $(zgrep "CONFIG_SQUASHFS=" /proc/config.gz) && $(zgrep "CONFIG_BLK_DEV_LOOP=" /proc/config.gz) ]] ; then
# if you use 3.18 LTS or newer kernels, change CONFIG_OVERLAYFS_FS to CONFIG_OVERLAY_FS
echo ""
echo "Kernel configuration seems OK, moving on"
echo ""
sleep 1
else
echo ""
echo "Vasile needs OVERLAYFS && SQUASHFS && LOOP DEVICES to work"
echo "Please rebuild the kernel with those activated to use it"
echo ""
exit 1
fi
}
checkroot () {
if [[ "$(whoami)" != root ]] ; then
echo ""
echo "You're not root?...No cookies for you, go away !!!"
echo ""
exit 1
fi
}
chrootchecksum () {
while : true ; do
if [[ -f "$chrootx64" && -f "$chrootx64md5" ]] ; then
echo "good, squashed chroot && checksum file found ... verifying integrity"
echo ""
if [[ "$(md5sum -c "$chrootx64md5")" ]] ; then
echo "good, squashed chroot checksum passed ... starting engines"
echo ""
sleep 1
break
else
echo "ooops, squashed chroot checksum failed ... aborting"
exit 1
fi
else
echo "ooops, squashed chroot or checksum file not found ... aborting"
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"
if [[ "$(uname -r | cut -d . -f1,2)" = "3.14" ]] ; then
mount -t overlayfs -o lowerdir="$rodir",upperdir="$rwdir" overlayfs "$overlaydir"
else # kernel version equal or above 3.18
mount -t overlay -o lowerdir="$rodir",upperdir="$rwdir",workdir="$workdir" overlay "$overlaydir"
fi
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 () {
echo ""
echo "injecting full portage tree into build environment"
echo ""
sleep 1
chroot "$overlaydir" su - "$chrootuser" -c "$chrootdevtree"
}
chrootoverlays () {
echo "injecting "$releasename" "$releasetarget" overlay into build environment"
sleep 1
chroot "$overlaydir" su - "$chrootuser" -c "$chrootmainoverlay"
}
chrootbuildsystem () {
echo "injecting "$releasename" buildsystem && setting up portage"
echo ""
sleep 1
chroot "$overlaydir" su - "$chrootuser" -c "$chrootbuildgit"
}
chrootbuild () {
echo ""
echo "Environment is up && running ... building targets"
sleep 1
chroot "$overlaydir" su - "$chrootuser" -c "$chrootbuildtarget"
}
chrootx64 () {
echo -e ""
echo -e "#################################################################"
echo -e "# ENTERING CHROOT ENV FOR YOU TO PUSH BUILT PACKAGES #"
echo -e "# OR TO FIX EVENTUAL BUILD ERRORS #"
echo -e "#################################################################"
echo -e "# !!! WARNING !!! WARNING !!! WARNING !!! #"
echo -e "#################################################################"
echo -e "# NEXT RUN OF THIS SCRIPT WILL DESTROY ALL YOUR WORK #"
echo -e "# DO NOT EXIT CHROOT UNTIL ALL PACKAGES ARE PUSHED TO REPOS #"
echo -e "# OR, IN CASE OF BUILD FAILURES, UNTIL ALL FIXES ARE COMMITED #"
echo -e "#################################################################"
echo -e "# !!! WARNING !!! WARNING !!! WARNING !!! #"
echo -e "#################################################################"
echo -e ""
echo -e ""
chroot "$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 "$isosyncdir"/usr/portage/packages > /dev/null 2>&1
}
isousertree () {
echo ""
echo "injecting minimal portage tree into environment (user mode)"
echo ""
sleep 1
chroot "$isosyncdir" su - "$isouser" -c "$isousertree"
}
isooverlays () {
echo "injecting "$releasename" "$releasetarget" overlay into environment"
sleep 1
chroot "$isosyncdir" su - "$isouser" -c "$isomainoverlay"
}
isobuildsystem () {
echo "injecting "$releasename" buildsystem && setting up portage"
echo ""
sleep 1
chroot "$isosyncdir" su - "$isouser" -c "$isobuildgit"
}
isoramfs () {
chroot "$isosyncdir" su - "$isouser" -c "$isodracutcmd"
}
systemramfs () {
chroot "$isosyncdir" su - "$isouser" -c "$dracutcmd"
}
isoefiimg () {
chroot "$isosyncdir" su - "$isouser" -c "$isoeficmd"
}
isochainload () {
chroot "$isosyncdir" su - "$isouser" -c "$isochainloadcmd"
}
isochroot () {
echo -e ""
echo -e "DROPPING YOU TO A ROOT SHELL INTO ISO ENVIRONMENT"
echo -e "INSTALL APPS & TARGETS & DES YOU WANT INSIDE ISO"
echo -e "EXIT WHEN YOU'RE DONE AND I'LL CREATE THE IMAGE"
echo -e ""
chroot "$isosyncdir" su - "$isouser"
}
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