Get and prepare things

get.sh

+#!/usr/bin/env bash
+
+source lib.sh
+
+echo "Gettings ZFS"
+if test -d zfs
+then
+    (cd zfs && git pull) || die
+else
+    git clone https://github.com/openzfs/zfs.git zfs || die
+fi
+
+echo "Getting Lustre"
+if test -d lustre
+then
+    (cd lustre && git pull) || die
+else
+    git clone git://git.whamcloud.com/fs/lustre-release.git lustre || die
+fi
+
+echo "Getting Linux"
+LINUX_SRC=$(last "/usr/src/linux-source-*.tar.xz")
+LINUX_PATH="$(pwd)/$(basename $LINUX_SRC .tar.xz)"
+if test -d $LINUX_PATH
+then
+    echo "Linux is already extracted into $LINUX_PATH"
+else
+    echo "Extracting Linux sources into $LINUX_PATH"
+    tar xf $LINUX_SRC
+fi

lib.sh

+alias die="echo 'I was stabbed' ; exit 1"
+
+function last() {
+    realpath $(ls -1d $@ | sort --reverse | head -n1)
+}

prepare.sh

+#!/usr/bin/env bash
+
+source lib.sh
+
+echo "Prepare kernel"
+LINUX_PATH="$(last linux-source-*)"
+cd $LINUX_PATH
+yes '' | make oldconfig
+make prepare scripts
+cd ..
+
+echo "Prepare zfs"
+cd zfs
+sh autogen.sh || die
+./configure \
+    --with-linux=$LINUX_PATH --with-linux-obj=$LINUX_PATH                       \
+    --prefix=/ --libdir=/lib --includedir=/usr/include --datarootdir=/usr/share \
+    --enable-linux-builtin=yes                                                  || die
+./copy-builtin $LINUX_PATH
+ZFS_PATH=$(pwd)
+cd ..
+
+echo "Prepare Lustre"
+cd lustre
+sh autogen.sh || die
+# SPL is now included inside the zfs sources
+# Don't use ldiskfs, only zfs ost
+./configure \
+    --with-linux=$LINUX_PATH --with-linux-obj=$LINUX_PATH                       \
+    --with-zfs=$ZFS_PATH --with-zfs-obj=$ZFS_PATH                               \
+    --prefix=/ --libdir=/lib --includedir=/usr/include --datarootdir=/usr/share \
+    --without-ldiskfs                                                           || die
+cd ..