Hi Evan,
On 29.06.2016 20:44, Evan Dandrea wrote:
On Wed, 29 Jun 2016 at 05:20 Pawel Stolowski
<[email protected] <mailto:[email protected]>>
wrote:
I'm trying to guess what font-related stuff may be missing. I've the
following packages installed via stage-packages:
- ttf-ubuntu-font-family
- xfonts-base
- xfonts-scalable
- fontconfig-config
Any idea what else to try?
If Tcl/Tk is loading fonts via absolute paths, including some font
packages in stage-packages unfortunately won't help. Any files in your
snap will install relative to /snap/your_snap/current, not /. Only
files in the OS snap can be installed to /.
I managed to get the app working by using desktop/gtk3 launcher
temporarily. This launcher sets a bunch of environment variables, plus
some gtk-related stuff (which I don't really need), so now it's just a
matter of figuring out what's critical and pull it out into a custom
launcher. And it works in strict mode now.
I ran into this font problem with Jenkins. As it also uses fontconfig,
I provided a custom fonts.conf pointed at the needed fonts I put under
the snap directory [1, 2].
If that doesn't work and you need to dig deeper, I've found it useful
to run programs under ptrace and see what files they open (`strace -f
-e file`).
1:
https://github.com/evandandrea/jenkins-snap/blob/master/parts/plugins/x-jenkins.py#L12
2:
https://github.com/evandandrea/jenkins-snap/blob/master/snapcraft.yaml#L20
Thanks for the links, that's a useful trick. I hope it will soon be much
easier when the fonts interface lands (as discussed in a parallel 'font'
thread).
Cheers,
Pawel
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