$ git clone -n https://src.fedoraproject.org/rpms/rust-fake.git /var/lib/mock/f38-build-side-43-rust-devel-1400256-31148/root/chroot_tmpdir/scmroot/rust-fake
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1400256-31148/root/chroot_tmpdir/scmroot/rust-fake'...
$ git fetch origin b36f9bab27e2afece3467648c43dbfe0d1323b88:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-fake
 * [new ref]         b36f9bab27e2afece3467648c43dbfe0d1323b88 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b36f9ba Skip a test that fails on 32-bit architectures