$ git clone -n https://gitee.com/geliwei/ffmpeg.git /var/lib/mock/dist-an23.5-build-574826-93223/root/chroot_tmpdir/scmroot/ffmpeg
Cloning into '/var/lib/mock/dist-an23.5-build-574826-93223/root/chroot_tmpdir/scmroot/ffmpeg'...
$ git fetch origin 825967df3b3df16b4381b43abf92756c7b4e2ec2:KOJI_FETCH_HEAD
From https://gitee.com/geliwei/ffmpeg
 * [new ref]         825967df3b3df16b4381b43abf92756c7b4e2ec2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 825967d [CVE] [Upstream] add patch to fix CVE-2026-40962