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[WIP] nixos/open-with: init #88025

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[WIP] nixos/open-with: init #88025

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SRGOM
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@SRGOM SRGOM commented May 17, 2020 •
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Motivation for this change

Some discussion here- https://discourse.nixos.org/t/configure-how-xdg-open-opens-html-files/6419/22

On my computer currently- these are the liens in mimeinfo.cache

application/pdf=inkscape.desktop;org.gnome.Evince.desktop;pqiv.desktop;texworks.desktop;
inode/directory=code.desktop;pcmanfm.desktop;ranger.desktop;spacefm-find.desktop;spacefm-folder-handler.desktop;spacefm.desktop;vifm.desktop;
video/mp4=pqiv.desktop;vlc.desktop;

meaning that pdf is (not) opened in Inkscape, directory is (at a leisurely pace) opened in Visual Studio Code and mp4 (barely) opens in pqiv.

At this point one would refer to Arch wiki to figure out how to override these settings manually. However, two of the probably most popular programs around this- xdg-open and mimeopen do not concur on how to do so. It appears that they read different files. The obvious solution would be to link to another but that doesn't work because, in my recollection one of those files is such that it is deleted and recreated upon every edit.

So it seems that the only sane solution is to override the global (computer-wide) defaults because everybody seems to respect that at least.

This code adds an option programs.defaults.defaults to achieve that.

This is a work in progress and this doesn't actually work but I think I've done the hard part of actual logic, what I haven't managed is the final part of were to read mimeinfo.cache from

Things done

Not application because this doesn't work, I'm seeking help here Will update.

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This pull request has been mentioned on NixOS Discourse. There might be relevant details there:

https://discourse.nixos.org/t/configure-how-xdg-open-opens-html-files/6419/24

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SRGOM commented May 17, 2020 •
edited

Since this code isn't functional, there is probably not a lot of point in talking about the format of this option but briefly- you can either mention a package (and a single .desktop file is set as the default) or explicitly specify a .desktop file. Multiple entries could be specified in a list optionally.

Example:


	example = { 
		"application/pdf" = [ pkgs.zathura "${pkgs.evince}/share/applications/org.gnome.Evince.desktop" ];
		"inode/directory" = [ "${pkgs.spaceFM}/share/applications/spacefm.desktop" pkgs.ranger pkgs.vifm ];
		"video/mp4" = pkgs.vlc;
	} ;

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This pull request has been mentioned on NixOS Discourse. There might be relevant details there:

https://discourse.nixos.org/t/help-needed-environment-extrasetup-and-os-wide-default-application-launcher/7274/1

@ryantm ryantm marked this pull request as draft October 23, 2020 03:01
@asdf8dfafjk asdf8dfafjk mentioned this pull request Jun 1, 2021
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stale bot commented Jun 4, 2021

I marked this as stale due to inactivity. → More info

@stale stale bot added the 2.status: stale https://github.com/NixOS/nixpkgs/blob/master/.github/STALE-BOT.md label Jun 4, 2021
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Congee commented Oct 13, 2021

Is this PR abandoned?

@stale stale bot removed the 2.status: stale https://github.com/NixOS/nixpkgs/blob/master/.github/STALE-BOT.md label Oct 13, 2021
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Is this PR abandoned?

I think so. There was no activity since May laste year. Also the goal of the PR can be achieved with xdg-open already.

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@Congee

This is the follow up #125147

@SuperSandro2000
xdg-open cannot handle this, you missed the text of my first post.

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