$ git clone -n https://src.fedoraproject.org/rpms/tayga.git /var/lib/mock/f39-build-1577786-37976/root/chroot_tmpdir/scmroot/tayga
Cloning into '/var/lib/mock/f39-build-1577786-37976/root/chroot_tmpdir/scmroot/tayga'...
$ git fetch origin e3e7e3d143415108ee7a61e0fd57403f053f9ad3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tayga
 * [new ref]         e3e7e3d143415108ee7a61e0fd57403f053f9ad3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e3e7e3d Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild