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From c2196a25b7ff4bd54f3cab64392535b755e4ff88 Mon Sep 17 00:00:00 2001
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From: Harald Hoyer <harald@redhat.com>
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Date: Thu, 20 Mar 2014 13:18:13 +0100
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Subject: [PATCH] dracut-initramfs-restore: fix unpacking with early microcode
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(cherry picked from commit 0626cbe923732d45739ea6da4b816c78c44503ef)
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---
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dracut-initramfs-restore.sh | 10 +++++++---
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1 file changed, 7 insertions(+), 3 deletions(-)
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diff --git a/dracut-initramfs-restore.sh b/dracut-initramfs-restore.sh
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index f29c814..0dd1938 100644
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--- a/dracut-initramfs-restore.sh
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+++ b/dracut-initramfs-restore.sh
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@@ -6,6 +6,10 @@ set -e
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KERNEL_VERSION="$(uname -r)"
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+[[ $dracutbasedir ]] || dracutbasedir=/usr/lib/dracut
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+SKIP="$dracutbasedir/skipcpio"
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+[[ -x $SKIP ]] || SKIP=cat
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+
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[[ -f /etc/machine-id ]] && read MACHINE_ID < /etc/machine-id
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if [[ $MACHINE_ID ]] && [[ -d /boot/${MACHINE_ID} || -L /boot/${MACHINE_ID} ]] ; then
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@@ -16,11 +20,11 @@ fi
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cd /run/initramfs
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[ -f .need_shutdown -a -f "$IMG" ] || exit 1
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-if zcat "$IMG" | cpio -id --quiet >/dev/null; then
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+if $SKIP "$IMG" | zcat | cpio -id --no-absolute-filenames --quiet >/dev/null; then
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rm -f -- .need_shutdown
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-elif xzcat "$IMG" | cpio -id --quiet >/dev/null; then
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+elif $SKIP "$IMG" | xzcat | cpio -id --no-absolute-filenames --quiet >/dev/null; then
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rm -f -- .need_shutdown
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-elif lz4 -d -c "$IMG" | cpio -id --quiet >/dev/null; then
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+elif $SKIP "$IMG" | lz4 -d -c | cpio -id --no-absolute-filenames --quiet >/dev/null; then
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rm -f -- .need_shutdown
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else
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# something failed, so we clean up
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