$ git clone -n https://src.fedoraproject.org/rpms/rust-actix-http.git /var/lib/mock/f45-build-39798-756/root/chroot_tmpdir/scmroot/rust-actix-http
Cloning into '/var/lib/mock/f45-build-39798-756/root/chroot_tmpdir/scmroot/rust-actix-http'...
$ git fetch origin a868559a5e484f438b2e3dac38a427eb68aba5b7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-actix-http
 * [new ref]         a868559a5e484f438b2e3dac38a427eb68aba5b7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a868559 Update to version 3.13.3; Fixes RHBZ#2512839