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flake: add formatter (#3620)

* format: improve argument handling

For now, fail if the user tries to format a specific file/directory,
or runs the formatter from within a subdirectory.

Handling these situations is slightly tricky because `find -path` is
not very flexible.

* flake: add formatter

This allows running the formatter with `nix fmt`, added in Nix 2.8.

* format: use git ls-files

This is cleaner than `find` and allows us to restrict formatting to
particular files or subdirectories.
This commit is contained in:
Naïm Favier 2023-06-27 23:32:30 +02:00 committed by GitHub
parent 4c08f65ab5
commit 9dd107a1d5
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 53 additions and 22 deletions

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@ -55,7 +55,7 @@
- 'system'
have been removed. Instead use the arguments 'pkgs' and
'modules'. See the 22.11 release notes for more: https://nix-community.github.io/home-manager/release-notes.html#sec-release-22.11-highlights
'modules'. See the 22.11 release notes for more: https://nix-community.github.io/home-manager/release-notes.html#sec-release-22.11-highlights
'';
throwForRemovedArgs = v:
@ -93,6 +93,13 @@
tests = import ./tests { inherit pkgs; };
in tests.run);
formatter = forAllSystems (system:
let pkgs = nixpkgs.legacyPackages.${system};
in pkgs.linkFarm "format" [{
name = "bin/format";
path = ./format;
}]);
packages = forAllSystems (system:
let
pkgs = nixpkgs.legacyPackages.${system};