$ git clone -n http://git.inferitos.ru/rpms/ffmpeg /var/lib/mock/inferit-9_5-extras-build-67827-149642/root/chroot_tmpdir/scmroot/ffmpeg
Cloning into '/var/lib/mock/inferit-9_5-extras-build-67827-149642/root/chroot_tmpdir/scmroot/ffmpeg'...
$ git fetch origin changed/i9cr/ffmpeg-5.1.6-2.el9:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/ffmpeg
 * [new tag]         changed/i9cr/ffmpeg-5.1.6-2.el9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 80ca20f import ffmpeg-5.1.6-2.el9