Package: initramfs-tools
Version: 0.92o
Severity: wishlist
Tags: patch
Hi,
What do you think about adding such a feature? It would be useful
for creating custom initramfs images for other machines in conjunction
with the -d option. Find attached a patch against the Lenny branch.
Thanks,
Feri.
From eee04d47a9571de8ce5823fd6d1de88d6ae4298d Mon Sep 17 00:00:00 2001
From: Ferenc Wagner wf...@niif.hu
Date: Fri, 12 Mar 2010 16:57:26 +0100
Subject: [PATCH] mkinitramfs: new -b option to ignore stuff under
/usr/share/initramfs-tools
---
mkinitramfs | 23 ++-
mkinitramfs.8 |7 +++
2 files changed, 21 insertions(+), 9 deletions(-)
diff --git a/mkinitramfs b/mkinitramfs
index 0fc45db..7cc6dd6 100755
--- a/mkinitramfs
+++ b/mkinitramfs
@@ -4,6 +4,7 @@ umask 0022
export PATH='/usr/bin:/sbin:/bin'
# Defaults
+system=y
keep=n
CONFDIR=/etc/initramfs-tools
verbose=n
@@ -11,7 +12,7 @@ errors_to=2/dev/null
# BUSYBOXDIR=/usr/lib/initramfs-tools/bin/
BUSYBOXDIR=/bin
-OPTIONS=`getopt -o d:ko:r:v --long
supported-host-version:,supported-target-version: -n $0 -- $@`
+OPTIONS=`getopt -o bd:ko:r:v --long
supported-host-version:,supported-target-version: -n $0 -- $@`
# Check for non-GNU getopt
if [ $? != 0 ] ; then echo Terminating... 2 ; exit 1 ; fi
@@ -20,6 +21,10 @@ eval set -- $OPTIONS
while true; do
case $1 in
+ -b)
+ unset system # prepare a bare initramfs, based on user
configuration only
+ shift
+ ;;
-d)
CONFDIR=$2
shift 2
@@ -84,7 +89,7 @@ fi
. ${CONFDIR}/initramfs.conf
EXTRA_CONF=''
-for i in /usr/share/initramfs-tools/conf.d/* ${CONFDIR}/conf.d/*; do
+for i in ${system:+/usr/share/initramfs-tools/conf.d/*} ${CONFDIR}/conf.d/*; do
EXTRA_CONF=${EXTRA_CONF} $(basename $i \
| grep '^[[:alnum:]][[:alnum:]\._-]*$' | grep -v '\.dpkg-.*$');
done
@@ -93,13 +98,13 @@ done
for i in ${EXTRA_CONF}; do
if [ -e ${CONFDIR}/conf.d/${i} ]; then
. ${CONFDIR}/conf.d/${i}
- elif [ -e /usr/share/initramfs-tools/conf.d/${i} ]; then
+ elif [ -n $system ] [ -e /usr/share/initramfs-tools/conf.d/${i}
]; then
. /usr/share/initramfs-tools/conf.d/${i}
fi
done
# source package confs
-for i in /usr/share/initramfs-tools/conf-hooks.d/*; do
+for i in ${system:+/usr/share/initramfs-tools/conf-hooks.d/*}; do
if [ -e ${i} ]; then
. ${i}
fi
@@ -127,7 +132,7 @@ fi
# Check that we're using a new enough kernel version, first for ourselves,
# then for each of the hooks, which can have a MINKVER variable defined
check_minkver ${version}
-check_minkver ${version} /usr/share/initramfs-tools/hooks
+[ -n $system ] check_minkver ${version} /usr/share/initramfs-tools/hooks
check_minkver ${version} ${CONFDIR}/hooks
case ${version} in
@@ -185,7 +190,7 @@ for d in bin conf/conf.d etc lib/modules sbin scripts
${MODULESDIR}; do
done
# MODULES=list case. Always honour.
-for x in ${CONFDIR}/modules /usr/share/initramfs-tools/modules.d/*; do
+for x in ${CONFDIR}/modules
${system:+/usr/share/initramfs-tools/modules.d/*}; do
if [ -f ${x} ]; then
add_modules_from_file ${x}
fi
@@ -224,7 +229,7 @@ rm -f ${DESTDIR}/bin/kinit* ${DESTDIR}/bin/gzip
copy_exec /usr/share/initramfs-tools/init /init
# add existant boot scripts
-for b in $(cd /usr/share/initramfs-tools/scripts/ find . \
+[ -n $system ] for b in $(cd /usr/share/initramfs-tools/scripts/ find
. \
-regextype posix-extended -regex '.*/[[:alnum:]_]+$' -type f); do
[ -d ${DESTDIR}/scripts/$(dirname ${b}) ] \
|| mkdir -p ${DESTDIR}/scripts/$(dirname ${b})
@@ -243,7 +248,7 @@ copy_exec ${CONFDIR}/initramfs.conf /conf
for i in ${EXTRA_CONF}; do
if [ -e ${CONFDIR}/conf.d/${i} ]; then
copy_exec ${CONFDIR}/conf.d/${i} /conf/conf.d
- elif [ -e /usr/share/initramfs-tools/conf.d/${i} ]; then
+ elif [ -n $system ] [ -e /usr/share/initramfs-tools/conf.d/${i}
]; then
copy_exec /usr/share/initramfs-tools/conf.d/${i} /conf/conf.d
fi
done
@@ -280,7 +285,7 @@ if [ $DPKG_ARCH = arm ] || [ $DPKG_ARCH = armeb ]; then
cp -a /lib/libgcc_s.so.1 ${DESTDIR}/lib/
fi
-run_scripts /usr/share/initramfs-tools/hooks
+[ -n $system ] run_scripts /usr/share/initramfs-tools/hooks
run_scripts ${CONFDIR}/hooks
# Apply DSDT to initramfs
diff --git a/mkinitramfs.8 b/mkinitramfs.8
index abb3f39..5a18b29 100644
--- a/mkinitramfs.8
+++ b/mkinitramfs.8
@@ -5,6 +5,7 @@ mkinitramfs \- low-level tool for generating an initramfs image
.SH SYNOPSIS
.B mkinitramfs
+.RB [ \-b ]
.RB [ \-d
.IR confdir ]
.RB [ \-k ]
@@ -45,6 +46,12 @@ happens in this early userspace.
.SH OPTIONS
.TP
+\fB \-b
+Create a `bare' initramfs image by ignoring the system-wide hooks, scripts,
+modules and configuration under
+.IR