$ git clone -n https://gitee.com/wenyuzifang/ffmpeg.git /var/lib/mock/dist-an23.5-build-570481-92601/root/chroot_tmpdir/scmroot/ffmpeg
Cloning into '/var/lib/mock/dist-an23.5-build-570481-92601/root/chroot_tmpdir/scmroot/ffmpeg'...
$ git fetch origin bfcca52b11e2866027ae30166f185657b5ece80a:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/ffmpeg
 * [new ref]         bfcca52b11e2866027ae30166f185657b5ece80a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bfcca52 [CVE] [Upstream] add patch to fix CVE-2026-12706