131 lines
4.1 KiB
Diff
131 lines
4.1 KiB
Diff
From 97bbba6938fc22605026b4cff3c5cc524c7bdf38 Mon Sep 17 00:00:00 2001
|
||
From: Harald Hoyer <harald@redhat.com>
|
||
Date: Thu, 17 Mar 2016 14:45:24 +0100
|
||
Subject: [PATCH] lsinitrd: add "--unpack" to lsinitrd
|
||
|
||
also "--unpackearly" and "--verbose"
|
||
---
|
||
lsinitrd.1.asc | 9 +++++++++
|
||
lsinitrd.sh | 43 ++++++++++++++++++++++++++++++++-----------
|
||
2 files changed, 41 insertions(+), 11 deletions(-)
|
||
|
||
diff --git a/lsinitrd.1.asc b/lsinitrd.1.asc
|
||
index 4293910..b6a704c 100644
|
||
--- a/lsinitrd.1.asc
|
||
+++ b/lsinitrd.1.asc
|
||
@@ -34,6 +34,15 @@ OPTIONS
|
||
**-k, --kver** _<kernel version>_::
|
||
inspect the initramfs of <kernel version>.
|
||
|
||
+**--unpack**::
|
||
+ unpack the initramfs to the current directory, instead of displaying the contents.
|
||
+
|
||
+**--unpackearly**::
|
||
+ unpack the early microcode initramfs to the current directory, instead of displaying the contents.
|
||
+
|
||
+**-v, --verbose**::
|
||
+ unpack verbosely
|
||
+
|
||
AVAILABILITY
|
||
------------
|
||
The lsinitrd command is part of the dracut package and is available from
|
||
diff --git a/lsinitrd.sh b/lsinitrd.sh
|
||
index 441fb92..224b9c1 100755
|
||
--- a/lsinitrd.sh
|
||
+++ b/lsinitrd.sh
|
||
@@ -27,6 +27,9 @@ usage()
|
||
echo "-s, --size sort the contents of the initramfs by size."
|
||
echo "-m, --mod list modules."
|
||
echo "-f, --file <filename> print the contents of <filename>."
|
||
+ echo "--unpack unpack the initramfs, instead of displaying the contents."
|
||
+ echo "--unpackearly unpack the early microcode part of the initramfs."
|
||
+ echo "-v, --verbose unpack verbosely."
|
||
echo "-k, --kver <kernel version> inspect the initramfs of <kernel version>."
|
||
echo
|
||
} >&2
|
||
@@ -37,16 +40,21 @@ usage()
|
||
|
||
sorted=0
|
||
modules=0
|
||
+unpack=0
|
||
+unset verbose
|
||
declare -A filenames
|
||
|
||
unset POSIXLY_CORRECT
|
||
TEMP=$(getopt \
|
||
- -o "shmf:k:" \
|
||
+ -o "vshmf:k:" \
|
||
--long kver: \
|
||
--long file: \
|
||
--long mod \
|
||
--long help \
|
||
--long size \
|
||
+ --long unpack \
|
||
+ --long unpackearly \
|
||
+ --long verbose \
|
||
-- "$@")
|
||
|
||
if (( $? != 0 )); then
|
||
@@ -58,13 +66,16 @@ eval set -- "$TEMP"
|
||
|
||
while (($# > 0)); do
|
||
case $1 in
|
||
- -k|--kver) KERNEL_VERSION="$2"; shift;;
|
||
- -f|--file) filenames[${2#/}]=1; shift;;
|
||
- -s|--size) sorted=1;;
|
||
- -h|--help) usage; exit 0;;
|
||
- -m|--mod) modules=1;;
|
||
- --) shift;break;;
|
||
- *) usage; exit 1;;
|
||
+ -k|--kver) KERNEL_VERSION="$2"; shift;;
|
||
+ -f|--file) filenames[${2#/}]=1; shift;;
|
||
+ -s|--size) sorted=1;;
|
||
+ -h|--help) usage; exit 0;;
|
||
+ -m|--mod) modules=1;;
|
||
+ -v|--verbose) verbose="--verbose";;
|
||
+ --unpack) unpack=1;;
|
||
+ --unpackearly) unpackearly=1;;
|
||
+ --) shift;break;;
|
||
+ *) usage; exit 1;;
|
||
esac
|
||
shift
|
||
done
|
||
@@ -147,8 +158,14 @@ list_files()
|
||
echo "========================================================================"
|
||
}
|
||
|
||
+unpack_files()
|
||
+{
|
||
+ $CAT "$image" | cpio -id --quiet $verbose
|
||
+ ((ret+=$?))
|
||
+}
|
||
+
|
||
|
||
-if (( ${#filenames[@]} <= 0 )); then
|
||
+if (( ${#filenames[@]} <= 0 )) && [[ -z "$unpack" ]] && [[ -z "$unpackearly" ]]; then
|
||
echo "Image: $image: $(du -h $image | while read a b || [ -n "$a" ]; do echo $a;done)"
|
||
echo "========================================================================"
|
||
fi
|
||
@@ -159,7 +176,9 @@ case $bin in
|
||
CAT="cat --"
|
||
is_early=$(cpio --extract --verbose --quiet --to-stdout -- 'early_cpio' < "$image" 2>/dev/null)
|
||
if [[ "$is_early" ]]; then
|
||
- if (( ${#filenames[@]} > 0 )); then
|
||
+ if [[ -n "$unpackearly" ]]; then
|
||
+ unpack_files
|
||
+ elif (( ${#filenames[@]} > 0 )); then
|
||
extract_files
|
||
else
|
||
echo "Early CPIO image"
|
||
@@ -218,7 +237,9 @@ fi
|
||
|
||
ret=0
|
||
|
||
-if (( ${#filenames[@]} > 0 )); then
|
||
+if [[ -n "$unpack" ]]; then
|
||
+ unpack_files
|
||
+elif (( ${#filenames[@]} > 0 )); then
|
||
extract_files
|
||
else
|
||
version=$($CAT "$image" | cpio --extract --verbose --quiet --to-stdout -- \
|