rsvg-convert

[PRR24]

Ubuntu 18.04 has IM built with no rsvg delegate.
Is there any way to get convert to use rsvg without recompiling IM?
delegates.xml contains a reference for rsvg-convert, but it is ignored by convert.

So far I have tried:
- installed rsvg toolset -- well, of course
- removed inkscape entry from delegates -- no changes
- tried to create new fake fromat FSVG with its delegate -- could not manage to create a mapping from svg files to FSVG or format to show up in list.
- changed rsvg-convert decode="svg" to decode="svg.decode" -- rsvg-convert is now executed, but arguments are numeric. If I change argument tyoes from %o/%i to %s, arguments look right (file names), but files contain no data.
- created fake inkscape script that internally uses rsvg-convert -- closest to the result, but IM seems to use inkscape conversion report that I don't know how to generate.

Any further suggestions?
I really would like to avoid installing inkscape on the servers or create separate workflow for svg and other images formats.

[PRR24]

Managed to get it working to some extent.
1. edited delegates.xml, replaced

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  <delegate decode="svg" ...
  <delegate decode="svg:decode" ...

with

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<delegate decode="svg:decode" command="&quot;im-rsvg-convert&quot; &quot;%s&quot; &quot;%s&quot;"/>

2. created /usr/bin/im-rsvg-convert file

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#!/bin/bash
rsvg-convert -o "$2" "$1"

3. chmod +x /usr/bin/im-rsvg-convert

Works on my computer™, but it is nasty hack that can break any time. I'm not feeling comfortable to go to prod with it. Anyway, may be it will help someone.