Sergiu Ivanov aa7b0894b8 work-notes: Add Local Variables.

:O

2021-10-17 18:56:23 +02:00

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Some Technicalities about Building My Work Page

Update checklist
Workflow
Seafile problem <2020-02-17 Mon>
Removing the publish cache
Possible colors for the banner
References
- Org-mode
- Examples

Update checklist

Publications
CVs, French and English
Research keywords
Administrative charges
Seminars
Programming
Teaching
News

Workflow

Load work.el.

(load-file "~/Candies/Sites/work/work.el")

Open index.org and publish the current project.
Remove all timestamps.
```
(org-publish-remove-all-timestamps)
```
Reopen index.org and republish the current project to get the updated timestamp, or run the following snippet:
```
(org-publish-project "work-site")
```
Go to https://entrepot.ibisc.univ-evry.fr/ and upload the files and directories from www/ to the folder ivanov-page-perso. The username to login to the entrepôt is prénom.nom@ibisc.univ-evry.fr, and the password is the same one as for the Intranet IBISC. Detailed information here.

The following source code block is a shortcut for reloading the configuration, removing the timestamps, and publishing the whole site.

(load-file "~/Candies/Sites/work/work.el")
(org-publish-remove-all-timestamps)
(org-publish-project "work-site")

Seafile problem <2020-02-17 Mon> old

Problem

After another update, Seafile started telling me this when I tried to start it:

qt.qpa.plugin: Could not find the Qt platform plugin "xcb" in "" This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.

Aborted (core dumped)

I did a couple hours of searching, and found some threads, which did not help:

https://github.com/NixOS/nixpkgs/issues/42893

Idea: imperatively install Seafile and then tell it where to search for plugin:
```
nix-env -iA nixpkgs.qt5.qtbase
export XDG_DATA_DIRS=$HOME/.nix-profile/share:$XDG_DATA_DIRS
```
Tried this literally, got

error: attribute 'nixpkgs' in selection path 'nixpkgs.qt5.qtbase' not found
https://github.com/NixOS/nixpkgs/issues/65399 There is a new way to describe Qt packages which correctly handles looking for plugins, this issue is there to help track all the problems that this may lead to. There is some documentation as to how to do it properly. I didn't feel like hacking Nixpkgs right away.
https://forum.qt.io/topic/111553/solved-qt-qpa-plugin-could-not-find-the-qt-platform-plugin-xcb-in/7 Tell Seafile where to look for plugins. This is not necessarily even applicable with Nix.
https://github.com/haiwen/seafile/issues/6 Apparently, Seafile has a CLI interface, but I don't find it in my installation. More concretely, the file seafile-cli appears in shell completions, but it doesn't launch nor could I find where it was.

My hack <2020-02-17 Mon>

My current hack consists in the following modifications:

Add qt5.qtbase and seafile-client to home.packages in home.nix.
Install seafile-shared instead of seafile-client in shell-seafile.nix.

Very weirdly, this makes seafile-applet work. I tried not doing (1) and putting all the packages in shell-seafile.nix, but it won't work. Also, again weirdly, outside of Nix shell the seafile-applet coming from the home-manager installation never gets past the message

lang = English, translation = (null), locale.name() = en_US

without showing the interface or doing whatsoever.

Proper solution?

A proper solution would probably consist in updating the Seafile package to comply with the new way to describe Qt packages.

Removing the publish cache

Org-publish will not detect files being deleted from the output. To force it to clear its caches, do the following:

  (org-publish-remove-all-timestamps)

Possible colors for the banner

  background-color: azure;
  background-color: lightcyan;
  background-color: paleturquoise;

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