$ git clone -n https://src.fedoraproject.org/rpms/libvirt-test-API.git /var/lib/mock/f39-build-1566314-37588/root/chroot_tmpdir/scmroot/libvirt-test-API
Cloning into '/var/lib/mock/f39-build-1566314-37588/root/chroot_tmpdir/scmroot/libvirt-test-API'...
$ git fetch origin 8ef9063414f66d486c656060f9d337b075a1c21f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libvirt-test-API
 * [new ref]         8ef9063414f66d486c656060f9d337b075a1c21f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8ef9063 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild