On 08/04/18 15:41, Hendrik Boom wrote:
On Fri, 02 Mar 2018 17:19:59 -0500, Hendrik Boom wrote:

On Fri, Mar 02, 2018 at 09:37:54PM +0100, Markus Wanner wrote:
On 02/28/2018 07:24 PM, Hendrik Boom wrote:
When I use monotone-viz I get the message
     Could not parse dot output
IIRC I have similar issues with monotone-viz (Debian stable). I'm not
aware of any replacements.
My guess is that whatever produces or consumes the dot output, whatever
that is,  has been updated and is now incompatible with whatever
consumes or produces it.

-- hendrik
Does anyone know what the dot output is?  What software consumes it?
What software produces it?  That might give me a clue where to look to
find out what has to be done.

Where is the source code repository for monotone-viz?

Who is in charge of it?

-- hendrik

Monotone-devel mailing list

monotone-viz I believe has not been maintained for some time (~10 years) and the dot format has changed over the years (if not in actual syntax then certainly in layout). Also monotone-viz, being written in OCaml, has had no one come forward to take on maintenance and thus it has fallen into disuse. I can't find it's web site (which was top of the search list when I last looked) and so I suspect the source is no longer available directly. Maybe a source RPM/DEB exists that can be used?

Dot is graphical layout program and is part of graphviz, a completely separate project that is used by monotone-viz, mtn-browse and _many_ other projects.

However mtn-browse, which I wrote so expect me to be completely biased!, does contain the same graphing function with extra features that integrate it into the rest of the browser. I can't guarantee that it will work with the latest version of graphviz as they do keep changing things unnecessarily and don't provide parsing libraries for assorted programming languages. But over the years my parser has been changed to make less assumptions about the dot layout and so is less likely to break with newer versions (last checked on Ubuntu 14.04).

Details and downloads can be found here:


I was going to submit this for Debian packaging but there seemed to be minimal interest. Even mtn itself broke on Ubuntu 14.04 and I had to hold back the botan library to fix it... Don't get me wrong I MUCH prefer mtn over git any day, I think it's a far superior product but we seem to be stuck with git these days. It's like VHS and Betamax all over again :-(.

If there is interest then I'll submit it for packaging.

If there are issues with dot parsing then please raise a ticket here:


stating the version of graphviz being used, OS version etc.



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