$ git clone -n https://src.fedoraproject.org/rpms/libtheora.git /var/lib/mock/f40-build-786400-134249/root/chroot_tmpdir/scmroot/libtheora
Cloning into '/var/lib/mock/f40-build-786400-134249/root/chroot_tmpdir/scmroot/libtheora'...
$ git fetch origin a14a6cc263b4aca68c78ce95aeb3d868f4a2b45b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libtheora
 * [new ref]         a14a6cc263b4aca68c78ce95aeb3d868f4a2b45b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a14a6cc Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild