$ git clone -n https://src.fedoraproject.org/rpms/rust-ahash.git /var/lib/mock/f38-build-side-43-rust-devel-1411927-31436/root/chroot_tmpdir/scmroot/rust-ahash
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1411927-31436/root/chroot_tmpdir/scmroot/rust-ahash'...
$ git fetch origin 5e53061cae0e5af744f3469818fc23b07f46f813:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-ahash
 * [new ref]         5e53061cae0e5af744f3469818fc23b07f46f813 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5e53061 Update to version 0.8.3; Fixes RHBZ#2164234