$ git clone -n https://src.fedoraproject.org/rpms/rust-tokio0.1.git /var/lib/mock/f40-build-2234261-53391/root/chroot_tmpdir/scmroot/rust-tokio0.1
Cloning into '/var/lib/mock/f40-build-2234261-53391/root/chroot_tmpdir/scmroot/rust-tokio0.1'...
$ git fetch origin c8f3e409746581c07929bad2d7326616fdd2eb3c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-tokio0.1
 * [new ref]         c8f3e409746581c07929bad2d7326616fdd2eb3c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c8f3e40 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild