$ git clone -n https://src.fedoraproject.org/rpms/icemon.git /var/lib/mock/f39-build-1523843-36020/root/chroot_tmpdir/scmroot/icemon
Cloning into '/var/lib/mock/f39-build-1523843-36020/root/chroot_tmpdir/scmroot/icemon'...
$ git fetch origin 97c7297afdf667eb1168f98d9a7965b6395432be:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/icemon
 * [new ref]         97c7297afdf667eb1168f98d9a7965b6395432be -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 97c7297 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild