$ git clone -n https://src.fedoraproject.org/rpms/texstudio.git /var/lib/mock/f39-build-1953697-43229/root/chroot_tmpdir/scmroot/texstudio
Cloning into '/var/lib/mock/f39-build-1953697-43229/root/chroot_tmpdir/scmroot/texstudio'...
$ git fetch origin b0b1cb70a58c987792337ed5374a987a8d699794:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/texstudio
 * [new ref]         b0b1cb70a58c987792337ed5374a987a8d699794 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b0b1cb7 update to 4.7.0