$ git clone -n https://src.fedoraproject.org/rpms/opus.git /var/lib/mock/f42-build-3282707-41399/root/chroot_tmpdir/scmroot/opus
Cloning into '/var/lib/mock/f42-build-3282707-41399/root/chroot_tmpdir/scmroot/opus'...
$ git fetch origin e9ed147fc4fbbea77cee82a10b5fd8c9a73d9dc6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/opus
 * [new ref]         e9ed147fc4fbbea77cee82a10b5fd8c9a73d9dc6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e9ed147 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild