$ git clone -n https://src.fedoraproject.org/rpms/libvirt-test-API.git /var/lib/mock/f40-build-2607225-63627/root/chroot_tmpdir/scmroot/libvirt-test-API
Cloning into '/var/lib/mock/f40-build-2607225-63627/root/chroot_tmpdir/scmroot/libvirt-test-API'...
$ git fetch origin dff9c674a0f51541e68308004fdf4c3ab62d280e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libvirt-test-API
 * [new ref]         dff9c674a0f51541e68308004fdf4c3ab62d280e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dff9c67 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild