$ git clone -n https://gitee.com/geliwei/ffmpeg.git /var/lib/mock/dist-an23-build-551517-88923/root/chroot_tmpdir/scmroot/ffmpeg
Cloning into '/var/lib/mock/dist-an23-build-551517-88923/root/chroot_tmpdir/scmroot/ffmpeg'...
$ git fetch origin 12b90f1ef55d9699f4841d8e235bf8d61c3cd7f1:KOJI_FETCH_HEAD
From https://gitee.com/geliwei/ffmpeg
 * [new ref]         12b90f1ef55d9699f4841d8e235bf8d61c3cd7f1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 12b90f1 fix: CVE-2026-6385 - Fix signed integer overflow in DVD subtitle parser fragment reassembly