From 564c0c4577dfd676472f4a41798909470fee6744 Mon Sep 17 00:00:00 2001

From: Hari Bathini <hbathini@linux.vnet.ibm.com>

Date: Mon, 2 Jun 2014 16:27:37 +0530

Subject: [PATCH] lsinird: Adding option "-m|--mod" to list dracut modules in

 the image

This patch adds option "-m|--mod" to lsinitrd to list dracut

modules in the image  because sometimes  having an option to

only list the dracut modules in the image could be handy.

Sample output:

--------------

[hbathini@localhost dracut]$ sudo ./lsinitrd.sh initramfs-3.11.10-100.fc18.x86_64.img -m

Image: initramfs-3.11.10-100.fc18.x86_64.img: 33M

========================================================================

Version: dracut-029-1.fc18.2

dracut modules:

i18n

network

ifcfg

drm

plymouth

btrfs

crypt

dm

dmraid

kernel-modules

lvm

mdraid

cifs

iscsi

nfs

resume

rootfs-block

terminfo

udev-rules

biosdevname

systemd

usrmount

base

fs-lib

shutdown

========================================================================

Signed-off-by: Hari Bathini <hbathini@linux.vnet.ibm.com>

(cherry picked from commit 05d2a14526042417a4a2b1b3d003738b51ab3df7)

---

 lsinitrd.sh | 29 ++++++++++++++++++++++++-----

 1 file changed, 24 insertions(+), 5 deletions(-)

diff --git a/lsinitrd.sh b/lsinitrd.sh

index b36b34e2..b086a635 100755

--- a/lsinitrd.sh

+++ b/lsinitrd.sh

@@ -27,6 +27,7 @@ usage()

         echo

         echo "-h, --help                  print a help message and exit."

         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 "-k, --kver <kernel version> inspect the initramfs of <kernel version>."

         echo

@@ -37,13 +38,15 @@ usage()

 [[ $dracutbasedir ]] || dracutbasedir=/usr/lib/dracut

 sorted=0

+modules=0

 declare -A filenames

 unset POSIXLY_CORRECT

 TEMP=$(getopt \

-    -o "shf:k:" \

+    -o "shmf:k:" \

     --long kver: \

     --long file: \

+    --long mod \

     --long help \

     --long size \

     -- "$@")

@@ -61,6 +64,7 @@ while (($# > 0)); do

         -f|--file)  filenames[${2#/}]=1; shift;;

         -s|--size)  sorted=1;;

         -h|--help)  usage; exit 0;;

+        -m|--mod)   modules=1;;

         --)         shift;break;;

         *)          usage; exit 1;;

     esac

@@ -119,6 +123,13 @@ extract_files()

     done

 }

+list_modules()

+{

+    echo "dracut modules:"

+    $CAT "$image" | cpio --extract --verbose --quiet --to-stdout -- 'lib/dracut/modules.txt' 'usr/lib/dracut/modules.txt' 2>/dev/null

+    ((ret+=$?))

+}

+

 list_files()

 {

     echo "========================================================================"

@@ -211,10 +222,18 @@ if (( ${#filenames[@]} > 0 )); then

 else

     version=$($CAT "$image" | cpio --extract --verbose --quiet --to-stdout -- 'lib/dracut/dracut-*' 'usr/lib/dracut/dracut-*' 2>/dev/null)

     ((ret+=$?))

-    echo "$version with dracut modules:"

-    $CAT "$image" | cpio --extract --verbose --quiet --to-stdout -- '*lib/dracut/modules.txt' 2>/dev/null

-    ((ret+=$?))

-    list_files

+    echo "Version: $version"

+    echo

+    if [ "$modules" -eq 1 ]; then

+        list_modules

+        echo "========================================================================"

+    else

+        echo -n "Arguments: "

+        $CAT "$image" | cpio --extract --verbose --quiet --to-stdout -- 'lib/dracut/build-parameter.txt' 'usr/lib/dracut/build-parameter.txt' 2>/dev/null

+        echo

+        list_modules

+        list_files

+    fi

 fi

 exit $ret