$ git clone -n https://src.fedoraproject.org/rpms/xpra.git /var/lib/mock/f41-build-side-1-2892734-34598/root/chroot_tmpdir/scmroot/xpra
Cloning into '/var/lib/mock/f41-build-side-1-2892734-34598/root/chroot_tmpdir/scmroot/xpra'...
$ git fetch origin ff1e77045f0cb17894a9ed2c5fca205b695d32cb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xpra
 * [new ref]         ff1e77045f0cb17894a9ed2c5fca205b695d32cb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ff1e770 Add compatibility with FFMPEG 7.0