$ git clone -n https://src.fedoraproject.org/rpms/fros.git /var/lib/mock/f40-build-1996849-44066/root/chroot_tmpdir/scmroot/fros
Cloning into '/var/lib/mock/f40-build-1996849-44066/root/chroot_tmpdir/scmroot/fros'...
$ git fetch origin cca0ab0637f33cc11bc670b02ff72df1117774ea:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fros
 * [new ref]         cca0ab0637f33cc11bc670b02ff72df1117774ea -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cca0ab0 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild