$ git clone -n http://git.inferitos.ru/rpms/rust-rav1e /var/lib/mock/inferit-9-extras-build-23099-38303/root/chroot_tmpdir/scmroot/rust-rav1e
Cloning into '/var/lib/mock/inferit-9-extras-build-23099-38303/root/chroot_tmpdir/scmroot/rust-rav1e'...
$ git fetch origin changed/i9/rust-rav1e-0.6.6-1.el9:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/rust-rav1e
 * [new tag]         changed/i9/rust-rav1e-0.6.6-1.el9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e34708e Update to 0.6.6