$ git clone -n https://src.fedoraproject.org/rpms/rust-actix-router.git /var/lib/mock/f40-build-2060945-49167/root/chroot_tmpdir/scmroot/rust-actix-router
Cloning into '/var/lib/mock/f40-build-2060945-49167/root/chroot_tmpdir/scmroot/rust-actix-router'...
$ git fetch origin 55b8435f1be7854788132491f785ce1cac0f77a8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-actix-router
 * [new ref]         55b8435f1be7854788132491f785ce1cac0f77a8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 55b8435 Regenerate with rust2rpm v25