$ git clone -n https://src.fedoraproject.org/rpms/rust-litemap.git /var/lib/mock/f45-build-42998-799/root/chroot_tmpdir/scmroot/rust-litemap
Cloning into '/var/lib/mock/f45-build-42998-799/root/chroot_tmpdir/scmroot/rust-litemap'...
$ git fetch origin 147894e98d37fd2455a1cbde509949d147b5c805:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-litemap
 * [new ref]         147894e98d37fd2455a1cbde509949d147b5c805 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 147894e Update to version 0.8.4; Fixes RHBZ#2515903