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authorHarald Hoyer <harald@redhat.com>2013-02-22 17:18:47 +0100
committerHarald Hoyer <harald@redhat.com>2013-02-25 18:58:06 +0100
commit81516adcb71a47837544340f72eb8ee810274119 (patch)
tree17f7ff511b485629caab5c717a8fe0859284f927 /src
parent1ddf879acf388a4625150c3a97b76458f6d2a070 (diff)
kernel-install: add kernel-install tool
Diffstat (limited to 'src')
-rw-r--r--src/kernel-install/kernel-install152
1 files changed, 152 insertions, 0 deletions
diff --git a/src/kernel-install/kernel-install b/src/kernel-install/kernel-install
new file mode 100644
index 0000000000..1bbbc17556
--- /dev/null
+++ b/src/kernel-install/kernel-install
@@ -0,0 +1,152 @@
+#!/bin/bash
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+#
+# This file is part of systemd.
+#
+# Copyright 2013 Harald Hoyer
+#
+# systemd 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.
+#
+# systemd 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
+# General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with systemd; If not, see <http://www.gnu.org/licenses/>.
+
+export LC_COLLATE=C
+
+COMMAND="$1"
+KERNEL_VERSION="$2"
+KERNEL_IMAGE="$3"
+
+[[ -f /etc/os-release ]] && . /etc/os-release
+if ! [[ $ID ]]; then
+ echo "Can't determine the name of your distribution. Please create /etc/os-release." >&2
+ echo "See http://www.freedesktop.org/software/systemd/man/os-release.html" >&2
+ exit 1
+fi
+
+[[ -f /etc/machine-id ]] && read MACHINE_ID < /etc/machine-id
+if ! [[ $MACHINE_ID ]]; then
+ echo "Can't determine your machine id. Please create /etc/machine-id!" >&2
+ echo "See http://www.freedesktop.org/software/systemd/man/machine-id.html" >&2
+ exit 1
+fi
+
+if [[ -f /etc/kernel/cmdline ]]; then
+ readarray -t BOOT_OPTIONS < /etc/kernel/cmdline
+fi
+
+if ! [[ "${BOOT_OPTIONS[@]}" ]]; then
+ readarray -t BOOT_OPTIONS < /proc/cmdline
+fi
+
+if ! [[ $BOOT_OPTIONS ]]; then
+ echo "Can't determine the kernel command line parameters." >&2
+ echo "Please specify the kernel command line in /etc/kernel/cmdline!" >&2
+ exit 1
+fi
+
+usage()
+{
+ {
+ echo "Usage:"
+ echo " $0 add <kernel-version> <kernel-image>"
+ echo " $0 remove <kernel-version> <kernel-image>"
+ } >&2
+}
+
+if ! ( [[ $COMMAND ]] && [[ $KERNEL_VERSION ]] && [[ $KERNEL_IMAGE ]] ); then
+ usage
+ exit 1
+fi
+
+BOOT_DIR="/boot/$MACHINE_ID/$KERNEL_VERSION"
+ret=0
+
+dropindirs_sort()
+{
+ suffix=$1; shift
+ readarray -t files< <(
+ for d in "$@"; do
+ for i in "${d}/"*${suffix}; do
+ [[ -e $i ]] && echo ${i##*/}
+ done
+ done | sort -Vu
+ )
+
+ for f in "${files[@]}"; do
+ for d in "$@"; do
+ if [[ -e "$d/$f" ]]; then
+ echo "$d/$f"
+ continue 2
+ fi
+ done
+ done
+}
+
+readarray -t PLUGINS < <(
+ dropindirs_sort ".install" \
+ "/etc/kernel/install.d" \
+ "/usr/lib/kernel/install.d"
+)
+
+case "$COMMAND" in
+ add)
+ mkdir -p "$BOOT_DIR" || exit 1
+
+ for f in "${PLUGINS[@]}"; do
+ [[ -x $f ]] && "$f" add "$KERNEL_VERSION" "$BOOT_DIR"
+ ((ret+=$?))
+ done
+
+ if ! cp --preserve "$KERNEL_IMAGE" "$BOOT_DIR"/linux; then
+ echo "Can't copy '$KERNEL_IMAGE to '$BOOT_DIR/linux'!" >&2
+ fi
+
+ [[ -d /boot/loader/entries ]] || mkdir -p /boot/loader/entries
+
+ {
+ echo "title $PRETTY_NAME"
+ echo "version $KERNEL_VERSION"
+ echo "machine-id $MACHINE_ID"
+ echo "options $BOOT_OPTIONS"
+ echo "linux $BOOT_DIR/linux"
+ [[ -f "${BOOT_DIR}"/initrd ]] && \
+ echo "initrd $BOOT_DIR/initrd"
+ :
+ } > "/boot/loader/entries/${ID}-${KERNEL_VERSION}-${MACHINE_ID}.conf"
+export LANG=C
+
+ ((ret+=$?))
+
+ if ! [[ -f "/boot/loader/entries/${ID}-${KERNEL_VERSION}-${MACHINE_ID}.conf" ]]; then
+ echo "Could not create '/boot/loader/entries/${ID}-${KERNEL_VERSION}-${MACHINE_ID}.conf'!" >&2
+ fi
+
+ ;;
+
+ remove)
+ for f in "${PLUGINS[@]}"; do
+ [[ -x $f ]] && "$f" remove "$KERNEL_VERSION" "$BOOT_DIR"
+ ((ret+=$?))
+ done
+
+ rm -fr "$BOOT_DIR"
+ rm -f "/boot/loader/entries/${ID}-${KERNEL_VERSION}-${MACHINE_ID}.conf"
+ ;;
+
+ *)
+ usage
+ ret=1;;
+esac
+
+((ret+=$?))
+
+exit $ret