6 echo "$COMMAND variant kernel-rpm"
7 echo " Allows to create a variant of the bootcd image with a different kernel"
8 echo " variant will be created under /usr/share/bootcd/<variant>"
9 echo " with the same structure as the default /usr/share/bootcd/build"
10 echo " the kernel rpm will also be stored in the variant dir for future reference"
11 echo "e.g. $COMMAND centos5 http://mirror.onelab.eu/centos/5.2/updates/i386/RPMS/kernel-2.6.18-92.1.1.el5.i686.rpm"
20 ## locate rpm and store it in variant
22 kernelrpm_url=$1; shift
23 kernelrpm_local=$1; shift
24 nocolon=$(echo $kernelrpm_url | sed -e s,:,,)
25 if [ "$kernelrpm_url" == "$nocolon" ] ; then
26 echo "Copying $kernelrpm_url in $variant_path"
27 cat $kernelrpm_url > $kernelrpm_local
29 echo "Fetching $kernelrpm_url in $variant_path"
30 curl -o $kernelrpm_local $kernelrpm_url
35 function checkrpm () {
37 if [ -f "$filename" ] ; then
38 if [ $(rpm -qip $filename | wc -l) -eq 1 ] ; then
39 echo "$filename not a valid rpm file"
45 ######################################## let's go
48 [[ -z "$@" ]] && usage
50 [[ -z "$@" ]] && usage
51 kernelrpm_url=$1; shift
52 [[ -n "$@" ]] && usage
54 basedir=$(cd -P $(dirname $0); pwd)
55 standard_path="$basedir/build"
56 if [ ! -d $standard_path ] ; then
57 echo "Cound not find standard image $standard_path - exiting"
61 variant_path="$basedir/$variant"
62 if [ -e "$variant_path" ] ; then
63 echo "Found $variant_path - please remove first - exiting"
69 echo "Creating $variant_path from $standard_path"
70 tar -C $standard_path -cf - . | tar -C $variant_path -xf -
72 kernelrpm=$variant_path/$(basename $kernelrpm_url)
73 getrpm $kernelrpm_url $kernelrpm
76 isofsdir=$variant_path/isofs
81 tmpdir=$(mktemp -d /var/tmp/bootcd.XXXXXX)
83 echo "Updating bootcd image with $kernelrpm"
86 echo "Unwrapping bootcd.img in $(pwd)"
87 gzip -d -c $isofsdir/bootcd.img | cpio -diu
88 echo "Cleaning up older kernel"
91 echo "Replacing with new kernel"
92 rpm2cpio $kernelrpm | cpio -diu
94 version=$(cd ./boot && ls vmlinuz* | sed 's,vmlinuz-,,')
96 echo "Exposing kernel"
97 cp boot/vmlinuz* ${tmpdir}/kernel
98 echo "Wrapping new bootcd.img"
99 find . | cpio --quiet -c -o | gzip -9 > ${tmpdir}/bootcd.img
103 echo -n "Preserving in $isofsdir .."
104 mv ${isofsdir}/kernel ${tmpdir}/kernel.orig
106 mv ${isofsdir}/bootcd.img ${tmpdir}/bootcd.img.orig
107 echo -n " bootcd.img"
111 echo -n "Populating $isofsdir .."
112 mv ${tmpdir}/kernel ${isofsdir}/kernel
114 mv ${tmpdir}/bootcd.img ${isofsdir}/bootcd.img
115 echo -n " bootcd.img"
118 rm -rf $tmpdir $kernelrpm
120 echo "new variant $variant ready"