Re: Documentation and diagrams

[Alyssa Ross <hi@alyssa.is>]

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On Wed, May 18, 2022 at 12:53:53PM +0000, Alyssa Ross wrote:
> On Wed, May 18, 2022 at 03:44:45PM +0300, Ville Ilvonen wrote:
> > On Tue, May 17, 2022 at 10:00 PM Paco <paco@ecomail.io> wrote:
> > >
> > > Hi all,
> > >
> > >  > One question about draw.io: is there a tool we could use in the build
> > >  > process of our documentation to render the .drawio files to SVG, so we
> > >  > don't have to check in the SVG files?
> > >
> > > drawio supports being called on the command-line like this:
> > >
> > > drawio in.drawio --export --output out.png # or svg
> >
> > Yes, and no. Yes, command line but no in a headless environment.
> > It was easy to test this before "jekyll build" with "drawio in.drawio
> > --export --output test.svg"
> >
> > However,
> >
> > [vilvo@blop:~/dev/spectrum/Documentation]$ nix-build -I
> > nixpkgs=../../nixpkgs-spectrum
> > ...
> > error: builder for
> > '/nix/store/r8xf2kpba673ngi2fck4xsyvyc6pd3j1-spectrum-docs.drv' failed
> > with exit code 133;
> >        last 10 log lines:
> >        >     at new ElectronStore
> > (/nix/store/iqinmbk2jzl8nay42hqkbd32mbj1jzq7-drawio-18.0.6/share/drawio/resources/app.asar/node_modules/electron-store/index.js:48:32)
> >        >     at Object.<anonymous>
> > (/nix/store/iqinmbk2jzl8nay42hqkbd32mbj1jzq7-drawio-18.0.6/share/drawio/resources/app.asar/electron.js:15:15)
> >        >     at Module._compile (node:internal/modules/cjs/loader:1116:14)
> >        >     at Object.Module._extensions..js
> > (node:internal/modules/cjs/loader:1169:10)
> >        >     at Module.load (node:internal/modules/cjs/loader:988:32)
> >        >     at Module._load (node:internal/modules/cjs/loader:829:12)
> >        >     at Function.c._load (node:electron/js2c/asar_bundle:5:13343)
> >        >     at Object.<anonymous> (node:electron/js2c/browser_init:185:3104)
> >        >     at Object../lib/browser/init.ts
> > (node:electron/js2c/browser_init:185:3308)
> >        > /build/.attr-0l2nkwhif96f51f4amnlf414lhl4rv9vh8iffyp431v6s28gsr90:
> > line 1:     5 Trace/breakpoint trap   (core dumped) drawio in.drawio
> > --export --output test.svg
> >
> > Issue is the same with drawio versions:
> > - version 15.7.3 from nixpkgs
> > - version 17.4.2 from nixpkgs-spectrum
> > - latest rpm available - 18.0.6 from updated nixpkgs-spectrum
>
> Does it maybe require an X server / Wayland compositor to talk to?  That
> would be a pain to do in the build but maybe not impossible.  I know
> there are programs for dummy compositors out there but don't know how
> easy they are to use.

Actually, this looking more closely at the stack trace, this is more
likely to be it not having a writeable XDG_CONFIG_HOME or HOME
directory.  So you could try setting those to temporary directories in
the build.  Something like

	export XDG_CONFIG_HOME="$(mktemp -d)"

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