$ git clone -n https://src.fedoraproject.org/rpms/xsane.git /var/lib/mock/f40-build-2206882-52070/root/chroot_tmpdir/scmroot/xsane
Cloning into '/var/lib/mock/f40-build-2206882-52070/root/chroot_tmpdir/scmroot/xsane'...
$ git fetch origin f3566da8278ae4125dcc42a898abb772acebbd3a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xsane
 * [new ref]         f3566da8278ae4125dcc42a898abb772acebbd3a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f3566da add license for gimp library - used in plugin which we build it in Fedora because