$ git clone -n https://src.fedoraproject.org/rpms/rust-async-trait.git /var/lib/mock/f41-build-side-1-2923620-34982/root/chroot_tmpdir/scmroot/rust-async-trait
Cloning into '/var/lib/mock/f41-build-side-1-2923620-34982/root/chroot_tmpdir/scmroot/rust-async-trait'...
$ git fetch origin c66006dd54470536e9351e2721b08f772790f647:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-async-trait
 * [new ref]         c66006dd54470536e9351e2721b08f772790f647 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c66006d Update to version 0.1.83; Fixes RHBZ#2314483