Describe and hack around the Seafile problem.
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with import <nixpkgs> {};
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with import <nixpkgs> {};
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stdenv.mkDerivation {
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stdenv.mkDerivation {
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name = "seafile";
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name = "seafile";
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buildInputs = [ seafile-client ];
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buildInputs = [ seafile-shared ];
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}
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}
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@ -21,6 +21,76 @@
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6. Run =nix-shell [[file:shell-seafile.nix][shell-seafile.nix]]= and, within it,
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6. Run =nix-shell [[file:shell-seafile.nix][shell-seafile.nix]]= and, within it,
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=seafile-applet= to sync the changes to the server.
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=seafile-applet= to sync the changes to the server.
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* Seafile problem <2020-02-17 Mon>
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** Problem
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After another update, Seafile started telling me this when I tried
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to start it:
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#+BEGIN_QUOTE
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qt.qpa.plugin: Could not find the Qt platform plugin "xcb" in ""
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This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
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Aborted (core dumped)
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#+END_QUOTE
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I did a couple hours of searching, and found some threads, which did
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not help:
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- https://github.com/NixOS/nixpkgs/issues/42893
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Idea: imperatively install Seafile and then tell it where to
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search for plugin:
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#+BEGIN_SRC shell
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nix-env -iA nixpkgs.qt5.qtbase
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export XDG_DATA_DIRS=$HOME/.nix-profile/share:$XDG_DATA_DIRS
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#+END_SRC
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Tried this literally, got
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#+BEGIN_QUOTE
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error: attribute 'nixpkgs' in selection path 'nixpkgs.qt5.qtbase' not found
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#+END_QUOTE
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- https://github.com/NixOS/nixpkgs/issues/65399
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There is a new way to describe Qt packages which correctly handles
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looking for plugins, this issue is there to help track all the
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problems that this may lead to. There is [[https://hydra.nixos.org/build/96804884/download/1/nixpkgs/manual.html#sec-language-qt][some documentation]] as to
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how to do it properly. I didn't feel like hacking Nixpkgs right
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away.
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- https://forum.qt.io/topic/111553/solved-qt-qpa-plugin-could-not-find-the-qt-platform-plugin-xcb-in/7
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Tell Seafile where to look for plugins. This is not necessarily
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even applicable with Nix.
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- https://github.com/haiwen/seafile/issues/6
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Apparently, Seafile has a CLI interface, but I don't find it in
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my installation. More concretely, the file =seafile-cli= appears
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in shell completions, but it doesn't launch nor could I find
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where it was.
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** My hack <2020-02-17 Mon>
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My current hack consists in the following modifications:
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1. Add =qt5.qtbase= and =seafile-client= to =home.packages= in
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[[/home/scolobb/.config/nixpkgs/home.nix][=home.nix=]].
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2. Install =seafile-shared= instead of =seafile-client= in
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[[file:shell-seafile.nix][=shell-seafile.nix=]].
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Very weirdly, this makes =seafile-applet= work. I tried not doing
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(1) and putting all the packages in [[file:shell-seafile.nix][=shell-seafile.nix=]], but it
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won't work. Also, again weirdly, outside of Nix shell the
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=seafile-applet= coming from the home-manager installation never
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gets past the message
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#+BEGIN_QUOTE
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lang = English, translation = (null), locale.name() = en_US
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#+END_QUOTE
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without showing the interface or doing whatsoever.
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** Proper solution?
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A proper solution would probably consist in updating the Seafile
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package to comply with the new [[https://hydra.nixos.org/build/96804884/download/1/nixpkgs/manual.html#sec-language-qt][way to describe Qt packages]].
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* Removing the publish cache
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* Removing the publish cache
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Org-publish will not detect files being deleted from the output. To
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Org-publish will not detect files being deleted from the output. To
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force it to clear its caches, do the following:
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force it to clear its caches, do the following:
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