$ git clone -n https://src.fedoraproject.org/rpms/spyder.git /var/lib/mock/f39-build-2313333-57652/root/chroot_tmpdir/scmroot/spyder
Cloning into '/var/lib/mock/f39-build-2313333-57652/root/chroot_tmpdir/scmroot/spyder'...
$ git fetch origin 685ca9b8ed7c039470d3d109a1489e90e0e98e17:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/spyder
 * [new ref]         685ca9b8ed7c039470d3d109a1489e90e0e98e17 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 685ca9b Fix ExlusiveArch