$ git clone -n https://src.fedoraproject.org/rpms/rust-litrs.git /var/lib/mock/f38-build-side-43-rust-devel-1421418-31465/root/chroot_tmpdir/scmroot/rust-litrs
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1421418-31465/root/chroot_tmpdir/scmroot/rust-litrs'...
$ git fetch origin 44e57214c9accf26596f083c5717a92e05540dcd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-litrs
 * [new ref]         44e57214c9accf26596f083c5717a92e05540dcd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 44e5721 Initial Fedora packaging (rhbz#2230724)