Add cross compilation and devShell to project.flake #1141
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The default shell `devShell` works by adding a default `shell` to all projects. You can pass the shell arguments to the project function using the new `shell` argument:
```
let myProject = haskell-nix.project {
src = ./.;
shell.tools = { cabal = {}; };
shell.crossPlatforms = p: [ p.cross ];
};
```
This will include js-unknown-ghcjs-cabal in the `devShell`.
To add cross compiled outputs to the flake pass `crossPlatforms` to the `flake` function.
```
myProject.flake { crossPlatforms = p: [ p.cross ]; }
```
To cross compile a component include the platforms `config` string to the output name like this
```
nix build .#js-unknown-ghcjs:pkg-name:lib:pkg-name
```
rvl
approved these changes
Jun 17, 2021
| # Default shell arguments | ||
| shell = mkOption { | ||
| # TODO make this a submodule | ||
| type = unspecified; |
There was a problem hiding this comment.
It would be nice to have module option docs here, to help users know how to use it.
Newer cabal versions should include |
hamishmack
added a commit
that referenced
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Jun 20, 2021
There are now 4 project modules used to check the arguments passed to the various project functions: * `project-common.nix` - Arguments used by all the project functions * `stack-project.nix` - Used by the `stackProject` and `stackProject'` functions * `cabal-project.nix` - Used by the `cabalProject` and `cabalProject'` functions * `project.nix` - Just the `projectFileName` argument that is used by `project` and `project'` functions to determine whether to call `stackProject` or `cabalProject` function. This also includes the `rawProject.args` that was mistakenly left out of #1141 causing #1142 and improvements for the docs for the use of the `shell` argument in `flake.nix` files.
booniepepper
pushed a commit
to booniepepper/haskell.nix
that referenced
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Feb 4, 2022
…1141) The default shell `devShell` works by adding a default `shell` to all projects. You can pass the shell arguments to the project function using the new `shell` argument: ``` let myProject = haskell-nix.project { src = ./.; shell.tools = { cabal = {}; }; shell.crossPlatforms = p: [ p.cross ]; }; ``` This will include js-unknown-ghcjs-cabal in the `devShell`. To add cross compiled outputs to the flake pass `crossPlatforms` to the `flake` function. ``` myProject.flake { crossPlatforms = p: [ p.cross ]; } ``` To cross compile a component include the platforms `config` string to the output name like this ``` nix build .#js-unknown-ghcjs:pkg-name:lib:pkg-name ```
booniepepper
pushed a commit
to booniepepper/haskell.nix
that referenced
this pull request
Feb 4, 2022
…k#1144) There are now 4 project modules used to check the arguments passed to the various project functions: * `project-common.nix` - Arguments used by all the project functions * `stack-project.nix` - Used by the `stackProject` and `stackProject'` functions * `cabal-project.nix` - Used by the `cabalProject` and `cabalProject'` functions * `project.nix` - Just the `projectFileName` argument that is used by `project` and `project'` functions to determine whether to call `stackProject` or `cabalProject` function. This also includes the `rawProject.args` that was mistakenly left out of input-output-hk#1141 causing input-output-hk#1142 and improvements for the docs for the use of the `shell` argument in `flake.nix` files.
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The default shell
devShellworks by adding a defaultshellto all projects. You can pass the shell arguments to the project function using the newshellargument:This will include js-unknown-ghcjs-cabal in the
devShell.To add cross compiled outputs to the flake pass
crossPlatformsto theflakefunction.To cross compile a component include the platforms
configstring to the output name like this