97 lines
3.4 KiB
Diff
97 lines
3.4 KiB
Diff
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From 83bb0893edc1c12bbaca20267134b01df2836e1c Mon Sep 17 00:00:00 2001
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From: Harald Hoyer <harald@redhat.com>
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Date: Wed, 13 Mar 2013 14:47:24 +0100
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Subject: [PATCH] dracut.sh: Add --noimageifnotneeded parameter
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Do not create an image in host-only mode, if no kernel driver is needed
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and no $initdir/etc/cmdline/*.conf is generated.
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---
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50-dracut.install | 19 ++++++++++++++++++-
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dracut-bash-completion.sh | 2 +-
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dracut.sh | 12 ++++++++++++
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3 files changed, 31 insertions(+), 2 deletions(-)
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diff --git a/50-dracut.install b/50-dracut.install
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index 9e99899..6b63da9 100755
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--- a/50-dracut.install
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+++ b/50-dracut.install
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@@ -2,10 +2,27 @@
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# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
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# ex: ts=8 sw=4 sts=4 et filetype=sh
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+if [[ -f /etc/kernel/cmdline ]]; then
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+ readarray -t BOOT_OPTIONS < /etc/kernel/cmdline
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+fi
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+
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+if ! [[ "${BOOT_OPTIONS[@]}" ]]; then
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+ readarray -t BOOT_OPTIONS < /proc/cmdline
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+fi
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+
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+unset noimageifnotneeded
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+
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+for ((i=0; i < "${#BOOT_OPTIONS[@]}"; i++)); do
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+ if [[ ${BOOT_OPTIONS[$i]} == root\=PARTUUID\=* ]]; then
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+ noimageifnotneeded="yes"
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+ break
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+ fi
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+done
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+
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ret=0
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case "$1" in
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add)
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- dracut "$3"/initrd "$2"
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+ dracut ${noimageifnotneeded+--noimageifnotneeded} "$3"/initrd "$2"
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ret=$?
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;;
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remove)
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diff --git a/dracut-bash-completion.sh b/dracut-bash-completion.sh
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index da067c5..38e2ebd 100644
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--- a/dracut-bash-completion.sh
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+++ b/dracut-bash-completion.sh
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@@ -33,7 +33,7 @@ _dracut() {
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--lvmconf --nolvmconf --debug --profile --verbose --quiet
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--local --hostonly --no-hostonly --fstab --help --bzip2 --lzma
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--xz --no-compress --gzip --list-modules --show-modules --keep
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- --printsize --regenerate-all'
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+ --printsize --regenerate-all --noimageifnotneeded'
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[ARG]='-a -m -o -d -I -k -c -L --kver --add --force-add --add-drivers
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--omit-drivers --modules --omit --drivers --filesystems --install
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diff --git a/dracut.sh b/dracut.sh
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index 2582f74..69f5282 100755
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--- a/dracut.sh
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+++ b/dracut.sh
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@@ -330,6 +330,7 @@ TEMP=$(unset POSIXLY_CORRECT; getopt \
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--long keep \
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--long printsize \
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--long regenerate-all \
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+ --long noimageifnotneeded \
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-- "$@")
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if (( $? != 0 )); then
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@@ -408,6 +409,7 @@ while :; do
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--keep) keep="yes";;
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--printsize) printsize="yes";;
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--regenerate-all) regenerate_all="yes";;
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+ --noimageifnotneeded) noimageifnotneeded="yes";;
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--) shift; break;;
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@@ -1020,6 +1022,16 @@ if [[ $no_kernel != yes ]]; then
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dinfo "*** Installing kernel module dependencies and firmware ***"
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dracut_kernel_post
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dinfo "*** Installing kernel module dependencies and firmware done ***"
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+
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+ if [[ $noimageifnotneeded == yes ]] && [[ $hostonly ]]; then
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+ if [[ ! -f "$initdir/lib/dracut/need-initqueue" ]] && \
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+ [[ -f ${initdir}/lib/modules/$kernel/modules.dep && ! -s ${initdir}/lib/modules/$kernel/modules.dep ]]; then
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+ for i in ${initdir}/etc/cmdline.d/*.conf; do
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+ # We need no initramfs image and do not generate one.
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+ [[ $i == "${initdir}/etc/cmdline.d/*.conf" ]] && exit 0
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+ done
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+ fi
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+ fi
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fi
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if [[ $kernel_only != yes ]]; then
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