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Introduce fourmolu #1500

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Merged
merged 7 commits into from
May 19, 2025
Merged

Introduce fourmolu #1500

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728a803
flake.nix: add fourmolu, purge stylish-haskell
geo2a May 9, 2025
fa8f164
Update StyleGuite.md, considering fourmolu
geo2a May 13, 2025
c9ff5fc
Remove explicit fourmolu version, reference tools.nix
geo2a May 16, 2025
650d0f1
Add explicit fixities
geo2a May 19, 2025
125f178
Disable fourmolu in a file with tricky CPP
geo2a May 19, 2025
70c3258
The Big Reformatting Commit
geo2a May 19, 2025
a92669f
Add .git-blame-ignore-revs
geo2a May 9, 2025
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9 changes: 9 additions & 0 deletions .git-blame-ignore-revs
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@@ -0,0 +1,9 @@
### NOTE
# Run `git config blame.ignoreRevsFile .git-blame-ignore-revs`
# from the repository's root to tell `git blame` to ignore
# the commits below.

# 2025
########################################
# Format with fourmolu
70c3258667611a12f7fa8f85b5591830c533d296
8 changes: 4 additions & 4 deletions CONTRIBUTING.md
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Expand Up @@ -203,19 +203,19 @@ and improvements are always welcome.

## Formatting the code

We use `stylish-haskell` 0.14.6.0 for Haskell code formatting.
We use `fourmolu` for Haskell code formatting. See [tools.nix](./nix/tools.nix) for the `fourmolu` version used in CI.

Either enable editor integration or call the script used by CI itself:

```bash
./scripts/ci/run-stylish.sh
./scripts/ci/run-fourmolu.sh
```

When using Nix, you can use the following command, which will build and use
the right version of `stylish-haskell`.
the right version of `fourmolu`.

```bash
nix develop -c ./scripts/ci/run-stylish.sh
nix develop -c ./scripts/ci/run-fourmolu.sh
```

# Generating documentation and setting up hoogle
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