$ git clone -n https://src.fedoraproject.org/rpms/libretro-desmume2015.git /var/lib/mock/f39-build-2566257-62096/root/chroot_tmpdir/scmroot/libretro-desmume2015
Cloning into '/var/lib/mock/f39-build-2566257-62096/root/chroot_tmpdir/scmroot/libretro-desmume2015'...
$ git fetch origin 656fe0fa924f5bec30f700ee3f29eec8c794ec15:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libretro-desmume2015
 * [new ref]         656fe0fa924f5bec30f700ee3f29eec8c794ec15 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 656fe0f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild