$ git clone -n https://src.fedoraproject.org/rpms/librealsense.git /var/lib/mock/f40-build-2008220-45350/root/chroot_tmpdir/scmroot/librealsense
Cloning into '/var/lib/mock/f40-build-2008220-45350/root/chroot_tmpdir/scmroot/librealsense'...
$ git fetch origin da35ae429fbe7e9e1681680c300faa8c075dcabf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/librealsense
 * [new ref]         da35ae429fbe7e9e1681680c300faa8c075dcabf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at da35ae4 Update to 2.54.2