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emacs: Make the application bundle name configurable #71459

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merged 0 commits into from Aug 23, 2020
Merged

emacs: Make the application bundle name configurable #71459

merged 0 commits into from Aug 23, 2020

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jwiegley
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Motivation for this change

Up until a few months ago, it was possible to install Emacs under multiple application names while using emacsPackagesFor, because the code that's now in wrapper.nix used to be in a derivation where it could be overridden. The new mechanism does not allow overriding, which broke the scheme I use for separate Emacs and ERC as two different applications (and thus separately customizable in various ways).

This apparently happened due to #22893.

Things done
  • Tested using sandboxing (nix.useSandbox on NixOS, or option sandbox in nix.conf on non-NixOS)
  • Built on platform(s)
    • NixOS
    • macOS
    • other Linux distributions
  • Tested via one or more NixOS test(s) if existing and applicable for the change (look inside nixos/tests)
  • Tested compilation of all pkgs that depend on this change using nix-shell -p nix-review --run "nix-review wip"
  • Tested execution of all binary files (usually in ./result/bin/)
  • Determined the impact on package closure size (by running nix path-info -S before and after)
  • Ensured that relevant documentation is up to date
  • Fits CONTRIBUTING.md.
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cc @ @matthewbauer

adisbladis
adisbladis reviewed Oct 20, 2019
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pkgs/applications/editors/emacs/default.nix Outdated
@@ -33,6 +33,7 @@ stdenv.mkDerivation rec {
name = "emacs-${version}${versionModifier}";
version = "26.3";
versionModifier = "";
appName = "Emacs"; # used by Darwin systems in emacs/wrapper.nix
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Wouldn't it be better to accept this as an argument to the function that returns the derivation and stick the attribute in passthru?
That way changing the appName would not cause a rebuild of emacs but just the wrapper.

@ofborg ofborg bot requested review from the-kenny, lovek323 and peti October 20, 2019 18:17
@adisbladis
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Ping @jwiegley

@jwiegley
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jwiegley commented Nov 5, 2019

@adisbladis I don't know enough to answer that, actually. Would you be up for modifying this PR?

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adisbladis commented Nov 24, 2019 •
edited

@jwiegley I rebased this PR and implemented my suggestion in https://github.com/adisbladis/nixpkgs/tree/emacs-app-bundle.
Could you see if this works for you?
It can be used in the following way:
(emacsPackages.override { darwinAppName = "aoeu"; }).emacsWithPackages(epkgs: [ epkgs.webpaste ])

With my change appName is not an attribute of the emacs derivation and hence you don't need to rebuild emacs, even with a custom bundle name.

If this works feel free to squash my commit with yours.

I also made a minor change renaming appName to darwinAppName to reflect that it's only applicable to a single platform.

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jwiegley commented Dec 17, 2019 •
edited

@adisbladis No, this did not work for me, since I wasn't able to figure out how to adapt my configuration of Emacs to your solution. It claimed that darwinAppName wasn't a valid argument when I attempted to override my overridden emacsWithPackages here:

https://github.com/jwiegley/nix-config/blob/master/overlays/10-emacs.nix#L1139

@ofborg ofborg bot requested review from roconnor, vbgl and Zimmi48 August 6, 2020 23:39
@vbgl vbgl removed their request for review August 7, 2020 08:27
@Zimmi48 Zimmi48 removed their request for review August 7, 2020 10:17
@jwiegley jwiegley closed this Aug 23, 2020
@marsam marsam merged commit 9ed4ff1 into NixOS:master Aug 23, 2020
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@the-kenny the-kenny Awaiting requested review from the-kenny

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