]> git.ipfire.org Git - thirdparty/dracut.git/blobdiff - dracut-initramfs-restore.sh
travis: reshuffle tests
[thirdparty/dracut.git] / dracut-initramfs-restore.sh
index ec5fe180f427d81a55c25bf08bd8e61cd0680d00..9479480490487d251aaad3a397975f24957ba75c 100644 (file)
@@ -1,13 +1,21 @@
 #!/bin/bash
-# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
-# ex: ts=8 sw=4 sts=4 et filetype=sh
 
 set -e
 
+# do some sanity checks first
+[ -e /run/initramfs/bin/sh ] && exit 0
+[ -e /run/initramfs/.need_shutdown ] || exit 0
+
 KERNEL_VERSION="$(uname -r)"
 
+[[ $dracutbasedir ]] || dracutbasedir=/usr/lib/dracut
+SKIP="$dracutbasedir/skipcpio"
+[[ -x $SKIP ]] || SKIP=cat
+
 [[ -f /etc/machine-id ]] && read MACHINE_ID < /etc/machine-id
 
+mount -o ro /boot &>/dev/null || true
+
 if [[ $MACHINE_ID ]] && [[ -d /boot/${MACHINE_ID} || -L /boot/${MACHINE_ID} ]] ; then
     IMG="/boot/${MACHINE_ID}/${KERNEL_VERSION}/initrd"
 fi
@@ -16,9 +24,14 @@ fi
 cd /run/initramfs
 
 [ -f .need_shutdown -a -f "$IMG" ] || exit 1
-if zcat "$IMG"  | cpio -id --quiet >/dev/null; then
+
+if $SKIP "$IMG" | zcat | cpio -id --no-absolute-filenames --quiet >/dev/null; then
+    rm -f -- .need_shutdown
+elif $SKIP "$IMG" | xzcat | cpio -id --no-absolute-filenames --quiet >/dev/null; then
+    rm -f -- .need_shutdown
+elif $SKIP "$IMG" | lz4 -d -c | cpio -id --no-absolute-filenames --quiet >/dev/null; then
     rm -f -- .need_shutdown
-elif xzcat "$IMG"  | cpio -id --quiet >/dev/null; then
+elif $SKIP "$IMG" | zstd -d -c | cpio -id --no-absolute-filenames --quiet >/dev/null; then
     rm -f -- .need_shutdown
 else
     # something failed, so we clean up