$ git clone -n https://src.fedoraproject.org/rpms/rust-add-determinism.git /var/lib/mock/f41-build-807994-145577/root/chroot_tmpdir/scmroot/rust-add-determinism
Cloning into '/var/lib/mock/f41-build-807994-145577/root/chroot_tmpdir/scmroot/rust-add-determinism'...
$ git fetch origin 51c3054fa8c8d1106e1a7c725c55882885a5425f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-add-determinism
 * [new ref]         51c3054fa8c8d1106e1a7c725c55882885a5425f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 51c3054 Actually apply patches as intended