$ git clone -n https://src.fedoraproject.org/rpms/rust-rusqlite.git /var/lib/mock/f41-build-side-1-2897254-34636/root/chroot_tmpdir/scmroot/rust-rusqlite
Cloning into '/var/lib/mock/f41-build-side-1-2897254-34636/root/chroot_tmpdir/scmroot/rust-rusqlite'...
$ git fetch origin ab29aec146df7e7f9e152f6add7858b828ab6537:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-rusqlite
 * [new ref]         ab29aec146df7e7f9e152f6add7858b828ab6537 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ab29aec Drop unused, benchmark-only bencher dev-dependency