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#! /bin/bash
# This script is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# See the COPYING and AUTHORS files for more details.
usage()
{
echo "Usage: new-kernel linux-2.4.2-pre2 linux-2.4.3-pre3 linux-2.4.3 patch.gz cvs-dir"
exit 1
}
wantdir()
{
if [ x$1 = x ]
then
usage
fi
if [ ! -d $1 ]
then
echo "directory $1 does not exist"
usage
fi
}
wantfile()
{
if [ x$1 = x ]
then
usage
fi
if [ ! -f $1 ]
then
echo "file $1 does not exist"
usage
fi
}
doit()
{
echo $* 1>&2
$* || {
echo oops
exit 1
}
}
CURRENT_KERNEL=$1
NEXT_KERNEL=$2
BASE_KERNEL=$3
PATCH_FILE=$4
CVS_DIR=$5
TEMP_PATCH=$(mktemp /tmp/patch-XXXXXX)
MY_DIFF="$CURRENT_KERNEL"--"$NEXT_KERNEL"
wantdir $CURRENT_KERNEL
wantdir $BASE_KERNEL
wantdir $CVS_DIR
wantfile $PATCH_FILE
doit rm -rf $NEXT_KERNEL
doit cp -a $BASE_KERNEL $NEXT_KERNEL
doit rm -f $TEMP_PATCH
doit gunzip < $PATCH_FILE > $TEMP_PATCH
cd $NEXT_KERNEL
doit patch -p1 --dry-run -i $TEMP_PATCH
doit patch -p1 -s -i $TEMP_PATCH
echo cd ..
cd ..
echo diff -uNrp $CURRENT_KERNEL $NEXT_KERNEL
diff -uNrp $CURRENT_KERNEL $NEXT_KERNEL > $MY_DIFF
echo cd $CVS_DIR
cd $CVS_DIR
doit patch -p1 --dry-run -s -i ../$MY_DIFF
doit patch -p1 -s -i ../$MY_DIFF
cvs-take-patch ../$MY_DIFF
cvs commit -m "'doing $NEXT_KERNEL'"
cvs update -ko -d -P
TAG=$(echo $NEXT_KERNEL | sed -e 's@\.@_@g')
cvs tag -b $TAG
rm -f $TEMP_PATCH
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