This is a script to be called automatically by new-kernel-pkg as

/etc/kernel/postinst.d/gummiboot-postinst.sh

diff --git a/gummiboot-postinst.sh b/gummiboot-postinst.sh
new file mode 100755 (executable)
index 0000000..cb8b994
--- /dev/null
+++ b/gummiboot-postinst.sh
@@ -0,0 +1,113 @@
+#!/bin/bash
+
+# This is a script to be called automatically by new-kernel-pkg as
+# /etc/kernel/postinst.d/gummiboot-postinst.sh
+
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation; either version 2.1 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# Copyright (C) 2012 Kay Sievers <kay.sievers@vrfy.org>
+# Copyright (C) 2012 Harald Hoyer <harald@redhat.com>
+
+if (( $# != 2 )); then
+       echo "Usage: $0 <version> <vmlinuz>" >&2
+       exit 1
+fi
+
+version="$1"
+vmlinuz="$2"
+
+if ! [[ -f $vmlinuz ]]; then
+       echo "Can't find file $vmlinuz" >&2
+       exit 1
+fi
+
+if [[ -f /boot/loader/loader.conf ]]; then
+       efidir="/boot"
+elif [[ -f /boot/efi/loader/loader.conf ]]; then
+       efidir="/boot/efi"
+fi
+
+if ! [[ $efidir ]] ; then
+       echo "Can't install new kernel for gummiboot: no "loader/loader.conf" found!" >&2
+       exit 1
+fi
+
+if [[ -f ${vmlinuz/vmlinuz/initrd} ]]; then
+       initrd=${vmlinuz/vmlinuz/initrd}
+elif [[ -f ${vmlinuz/vmlinuz/initrd}.img ]]; then
+       initrd=${vmlinuz/vmlinuz/initrd}.img
+elif [[ -f ${vmlinuz/vmlinuz/initramfs}.img ]]; then
+       initrd=${vmlinuz/vmlinuz/initramfs}.img
+fi
+
+if [[ -f /etc/kernel-cmdline ]]; then
+       while read line; do
+               options+="$line "
+       done < /etc/kernel-cmdline
+fi
+
+if ! [[ $options ]]; then
+       echo "Can't load default kernel command line parameters from /etc/kernel-cmdline!" >&2
+fi
+
+[[ -f /etc/os-release ]] && . /etc/os-release
+
+if ! [[ $ID ]]; then
+       echo "Can't determine the ID of your distribution. Fix /etc/os-release!" >&2
+       exit 1
+fi
+
+if ! [[ $PRETTY_NAME ]]; then
+       PRETTY_NAME="$NAME $VERSION"
+fi
+
+[[ -f /etc/machine-id ]] && read MACHINE_ID < /etc/machine-id
+
+if ! [[ $MACHINE_ID ]]; then
+       echo "Can't determine your machine id. Fix /etc/machine-id!" >&2
+fi
+
+rootdev=$(while read a a a a mp a a a dev a; do if [[ $mp = "/" ]]; then echo $dev;break;fi;done < /proc/self/mountinfo)
+if [[ $rootdev ]]; then
+       rootlabel=$(blkid -p -o udev -u filesystem $rootdev | while read line; do if [[ $line == ID_FS_LABEL* ]]; then echo ${line##ID_FS_LABEL=}; break; fi; done)
+fi
+mkdir -p "${efidir}/$ID/$MACHINE_ID"
+
+# --reflink=auto does COW, so if it is on the same filesystem, data is only kept once
+# until someone modifies the file
+cp --reflink=auto --preserve "$vmlinuz" "${efidir}/$ID/$MACHINE_ID/"
+[[ $initrd ]] && cp --reflink=auto --preserve "$initrd" "${efidir}/$ID/$MACHINE_ID/"
+
+{
+       echo "title $PRETTY_NAME $rootlabel $rootdev ${MACHINE_ID:0:8}"
+
+       echo "options $options"
+
+       echo "linux /$ID/$MACHINE_ID/${vmlinuz##*/}"
+
+       [[ $initrd ]] && echo "initrd /$ID/$MACHINE_ID/${initrd##*/}"
+
+} > "${efidir}/loader/entries/$ID-$version-$MACHINE_ID.conf"
+
+# now cleanup the old entries and files, for which no /lib/modules/$version exists
+(
+       cd ${efidir}/loader/entries
+       for conf in $ID-*-$MACHINE_ID.conf; do
+               version=${conf##$ID-}
+               version=${version%%-$MACHINE_ID.conf}
+               [[ $version ]] || continue
+               [[ -d /lib/modules/$version/kernel ]] && continue
+               rm -f "$conf"
+               rm -f "${efidir}/$ID/$MACHINE_ID/*$version*"
+       done
+)
+
+exit 0