$ git clone -n https://src.fedoraproject.org/rpms/rust-totp-lite.git /var/lib/mock/f40-build-2644085-66496/root/chroot_tmpdir/scmroot/rust-totp-lite
Cloning into '/var/lib/mock/f40-build-2644085-66496/root/chroot_tmpdir/scmroot/rust-totp-lite'...
$ git fetch origin 79d17cc397f8431d03af03bf6ba6da327c9ad69c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-totp-lite
 * [new ref]         79d17cc397f8431d03af03bf6ba6da327c9ad69c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 79d17cc Unretirement request: https://pagure.io/releng/issue/11893