We now have gst-indent-1.0 [1] which is a stripped down fork of the version we expect. It's also using meson, which is a bonus. [1] https://gitlab.freedesktop.org/gstreamer/gst-indent Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6624>
It used to be downloaded into PATH, but we can now instead run it from git. Also move it to top source dir instead of gstreamer subproject. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/931>