$ git clone -n https://src.fedoraproject.org/rpms/rust-actix-http.git /var/lib/mock/f40-build-2305637-57100/root/chroot_tmpdir/scmroot/rust-actix-http
Cloning into '/var/lib/mock/f40-build-2305637-57100/root/chroot_tmpdir/scmroot/rust-actix-http'...
$ git fetch origin 9f0e03055be7dcbd9aee03d0fab2f3c7da25a237:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-actix-http
 * [new ref]         9f0e03055be7dcbd9aee03d0fab2f3c7da25a237 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9f0e030 Update to version 3.5.1; Fixes RHBZ#2255756