$ git clone -n https://src.fedoraproject.org/rpms/xine-lib.git /var/lib/mock/f41-build-858070-168304/root/chroot_tmpdir/scmroot/xine-lib
Cloning into '/var/lib/mock/f41-build-858070-168304/root/chroot_tmpdir/scmroot/xine-lib'...
$ git fetch origin 1f48720efe66606bce9f445eba14a4b4b38afe12:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xine-lib
 * [new ref]         1f48720efe66606bce9f445eba14a4b4b38afe12 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1f48720 Rebuild for ffmpeg 7