$ git clone -n https://src.fedoraproject.org/rpms/rust-jiter.git /var/lib/mock/f41-build-789959-13607/root/chroot_tmpdir/scmroot/rust-jiter
Cloning into '/var/lib/mock/f41-build-789959-13607/root/chroot_tmpdir/scmroot/rust-jiter'...
$ git fetch origin 865cafaaa229e2379766392f43ec268c28622236:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-jiter
 * [new ref]         865cafaaa229e2379766392f43ec268c28622236 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 865cafa Update to 0.4.1 (close RHBZ#2277955)