$ git clone -n https://src.fedoraproject.org/rpms/libtheora.git /var/lib/mock/f39-build-1496172-34548/root/chroot_tmpdir/scmroot/libtheora
Cloning into '/var/lib/mock/f39-build-1496172-34548/root/chroot_tmpdir/scmroot/libtheora'...
$ git fetch origin d3d9d524f40bbdb6346eb89eaf07689df12e3c4b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libtheora
 * [new ref]         d3d9d524f40bbdb6346eb89eaf07689df12e3c4b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d3d9d52 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild