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Saves about 2G disk space per kernel version
This commit is contained in:
Josh Poimboeuf 2014-02-13 08:24:54 -06:00
parent 4f27b9ae31
commit 6d6a5dfd1e
1 changed files with 10 additions and 8 deletions
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18
kpatch-build/kpatch-build
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@ -31,10 +31,11 @@ CPUS=$(grep -c ^processor /proc/cpuinfo)
LOCALVERSION=$(uname -r)
LOCALVERSION=-${LOCALVERSION##*-}
KSRCDIR=~/.kpatch/$ARCHVERSION
KSRCDIR_CACHE=$KSRCDIR.cache
KSRCDIR_DIR=$(dirname $KSRCDIR)
KSRCDIR_CACHE=$KSRCDIR.tgz
cleanup() {
rm -Rf kernel-$DISTROVERSION.src.rpm $LOGFILE $TEMPDIR > /dev/null 2>/dev/null
rm -Rf $KSRCDIR kernel-$DISTROVERSION.src.rpm $LOGFILE $TEMPDIR > /dev/null 2>/dev/null
}
die() {
@ -69,12 +70,12 @@ make -C $TOOLSDIR >> $LOGFILE 2>&1 || die
TEMPDIR=`mktemp -d` || die
if [ -d "$KSRCDIR_CACHE" ]
if [ -f "$KSRCDIR_CACHE" ]
then
echo "Using cache at $KSRCDIR_CACHE"
rm -rf $KSRCDIR
cp -a $KSRCDIR_CACHE $KSRCDIR
cd $KSRCDIR
tar xzf $KSRCDIR_CACHE -C $KSRCDIR_DIR || die
cd $KSRCDIR || die
else
echo "Verifying required development tools"
yum install rpmdevtools yum-utils || die
@ -90,15 +91,16 @@ else
rpm -Uvh kernel-$DISTROVERSION.src.rpm >> $LOGFILE 2>&1 || die
rpmbuild -bp --target=$(uname -m) ~/rpmbuild/SPECS/kernel.spec >> $LOGFILE 2>&1 || die
rm -rf $KSRCDIR
mkdir -p ~/.kpatch
mkdir -p $KSRCDIR_DIR
mv ~/rpmbuild/BUILD/kernel-*/linux-$ARCHVERSION $KSRCDIR >> $LOGFILE 2>&1 || die
echo "Building the base kernel"
echo "Building original kernel"
cd $KSRCDIR
echo $LOCALVERSION > localversion
make -j$CPUS vmlinux >> $LOGFILE 2>&1 || die
cp -a $KSRCDIR $KSRCDIR_CACHE
echo "Creating cache"
tar czf $KSRCDIR_CACHE -C $KSRCDIR_DIR $ARCHVERSION
fi
cp -R $BASE/kmod/patch/* $BASE/kmod/core $TEMPDIR || die