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| author | Harald Hoyer <harald@redhat.com> | 2013-03-07 12:54:02 +0100 |
|---|---|---|
| committer | Harald Hoyer <harald@redhat.com> | 2013-03-07 13:03:24 +0100 |
| commit | dde2db3da9d265bc5aba17e1137139f19126ae0e (patch) | |
| tree | ef389d0c0639248f2d720c7f42f9dce2fe3d5dd9 | |
| parent | cbc21754e537f2f3a3ef9c346f8a2bf0432ee218 (diff) | |
| download | dracut-dde2db3da9d265bc5aba17e1137139f19126ae0e.tar.gz dracut-dde2db3da9d265bc5aba17e1137139f19126ae0e.tar.bz2 dracut-dde2db3da9d265bc5aba17e1137139f19126ae0e.zip | |
lsinitrd: use /boot/<machine-id>/<kernel-version>/initrd as the default image
if /boot/<machine-id> exists; then
use /boot/<machine-id>/<kernel-version>/initrd as the default image;
else fallback to /boot/initramfs-<kernel-version>.img
| -rw-r--r-- | lsinitrd.1.asc | 5 | ||||
| -rwxr-xr-x | lsinitrd.sh | 40 |
2 files changed, 40 insertions, 5 deletions
diff --git a/lsinitrd.1.asc b/lsinitrd.1.asc index 5b0c62eb..fd981619 100644 --- a/lsinitrd.1.asc +++ b/lsinitrd.1.asc @@ -10,12 +10,13 @@ lsinitrd - tool to show the contents of an initramfs image SYNOPSIS -------- -*lsinit* ['OPTION...'] [<image>] +*lsinitrd* ['OPTION...'] [<image>] DESCRIPTION ----------- lsinitrd shows the contents of an initramfs image. if <image> is omitted, then -lsinitrd uses the default image /boot/initramfs-<kernel version>.img. +lsinitrd uses the default image _/boot/<machine-id>/<kernel-version>/initrd_ or +_/boot/initramfs-<kernel-version>.img_. OPTIONS ------- diff --git a/lsinitrd.sh b/lsinitrd.sh index 77a15c5f..7a09423f 100755 --- a/lsinitrd.sh +++ b/lsinitrd.sh @@ -21,7 +21,13 @@ usage() { - echo "Usage: $(${0##*/}) [-s] [<initramfs file> [<filename>]]" + { + echo "Usage: ${0##*/} [-s] [<initramfs file> [<filename>]]" + echo + echo "-h, --help print a help message and exit." + echo "-s, --size sort the contents of the initramfs by size." + echo + } >&2 } [[ $# -le 2 ]] || { usage ; exit 1 ; } @@ -36,8 +42,36 @@ while getopts "s" opt; do done shift $((OPTIND-1)) -image="${1:-/boot/initramfs-$(uname -r).img}" -[[ -f "$image" ]] || { echo "$image does not exist" ; exit 1 ; } +KERNEL_VERSION="$(uname -r)" + +if [[ "$1" ]]; then + image="$1" + if ! [[ -f "$image" ]]; then + { + echo "$image does not exist" + echo + } >&2 + usage + exit 1 + fi +fi + +[[ -f /etc/machine-id ]] && read MACHINE_ID < /etc/machine-id + +if [[ $MACHINE_ID ]] && ( [[ -d /boot/${MACHINE_ID} ]] || [[ -L /boot/${MACHINE_ID} ]] ); then + image="/boot/${MACHINE_ID}/${KERNEL_VERSION}/initrd" +else + image="/boot/initramfs-${KERNEL_VERSION}.img}" +fi + +if ! [[ -f "$image" ]]; then + { + echo "No <initramfs file> specified and the default image '$image' cannot be accessed!" + echo + } >&2 + usage + exit 1 +fi CAT=zcat FILE_T=$(file --dereference "$image") |