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add initramfs hook to record kernel metapackage & mount modules

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This commit is contained in:
Michael Hudson-Doyle 2018-12-13 11:22:34 +13:00
parent f475de24bf
commit bcbf9ea36e
1 changed files with 21 additions and 0 deletions
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21
live-build/ubuntu-server/hooks/033-kernel-bits.binary
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@ -47,6 +47,27 @@ for variant in $variants; do
mount_overlay "$INSTALLER_ROOT/" "$KERNEL_BITS_OVERLAY/" "$KERNEL_BITS_ROOT/"
setup_mountpoint $KERNEL_BITS_ROOT
# Configure initramfs creation
mkdir -p "$KERNEL_BITS_ROOT"/etc/initramfs-tools/conf.d/
if [ -n "$LB_INITRAMFS_COMPRESSION" ]; then
echo "COMPRESS=$LB_INITRAMFS_COMPRESSION" > "$KERNEL_BITS_ROOT"/etc/initramfs-tools/conf.d/livecd-rootfs.conf
fi
echo "CASPER_GENERATE_UUID=1" > "$KERNEL_BITS_ROOT"/etc/initramfs-tools/conf.d/casper.conf
# Add a hook to record which kernel was booted and mount the
# modules.squashfs created below.
cat <<EOF > "$KERNEL_BITS_ROOT"/etc/initramfs-tools/scripts/init-bottom/live-server
#!/bin/sh
case \$1 in
prereqs) exit 0;;
esac
echo ${kernel_metapkg} > /run/kernel-meta-package
mkdir -p \$rootmnt/lib/modules
mount \$rootmnt/cdrom/casper/extras/modules.squashfs-$flavor \$rootmnt/lib/modules
EOF
chmod +x "$KERNEL_BITS_ROOT"/etc/initramfs-tools/scripts/init-bottom/live-server
# Install the kernel!
env DEBIAN_FRONTEND=noninteractive chroot $KERNEL_BITS_ROOT apt-get -y install ${kernel_metapkg}