$ git clone -n https://src.fedoraproject.org/rpms/blender.git /var/lib/mock/f41-build-side-1-2749755-31005/root/chroot_tmpdir/scmroot/blender
Cloning into '/var/lib/mock/f41-build-side-1-2749755-31005/root/chroot_tmpdir/scmroot/blender'...
$ git fetch origin 6dbe44c1622d2bc77d8aa90638d432635a7d2553:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/blender
 * [new ref]         6dbe44c1622d2bc77d8aa90638d432635a7d2553 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6dbe44c Add upstream PRs to fix build with FFmpeg 7