$ git clone -n https://src.fedoraproject.org/rpms/fastx_toolkit.git /var/lib/mock/f45-build-8701-394/root/chroot_tmpdir/scmroot/fastx_toolkit
Cloning into '/var/lib/mock/f45-build-8701-394/root/chroot_tmpdir/scmroot/fastx_toolkit'...
$ git fetch origin 94f448ac32c50bc17af9f6f53a0df59dd7bdef1f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fastx_toolkit
 * [new ref]         94f448ac32c50bc17af9f6f53a0df59dd7bdef1f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 94f448a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild