$ git clone -n https://src.fedoraproject.org/rpms/rust-btoi.git /var/lib/mock/f40-build-2081174-49749/root/chroot_tmpdir/scmroot/rust-btoi
Cloning into '/var/lib/mock/f40-build-2081174-49749/root/chroot_tmpdir/scmroot/rust-btoi'...
$ git fetch origin dcd88181375048904c23d7c329e5594a6b584fea:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-btoi
 * [new ref]         dcd88181375048904c23d7c329e5594a6b584fea -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dcd8818 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild