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48 commits this week
Jan 16, 2021 -
Jan 23, 2021
Update development.md
Remove inheritance from `shell.nix` when defining `hsPkgs`. I tried following the tutorial on a new project and I had errors caused by this.
Update comment to check if eval is faster
Use symlinkJoin instead of linkFarm
Add `copyTextDir` and use on for cabal configure
`cabal configure` for some large haskell projects (such as `cardano-node`) can take several minutes to run. When building locally `cleanSourceWith` is used so that only changes to `cabal.project` and `.cabal` cause `cabal configure` to be run again. This does not work on hydra though and every commit will cause `cabal configure` to be rerun during `eval`. It also means that local builds cannot reuse the results from hydra. To fix this `copyTextDir` runs `__readFile` and `writeTextFile` on the filtered subset of files (cabal.project and .cabal). Even if the input path is a different store directory the resulting derivation will be the same if the contents of the filtered subset of files is the same.
Use combinePath instead of + for data files. (#1007)
Makes sure "/" character is added when needed.
Expose sources for flakes
The legacyPackages only gives access to the default nixpkgs version, not any of the others. With this change it's possible to select the nixpkgs one wants to use with: pkgs = import haskell-nix.sources.nixpkgs-2003 { config = import (haskell-nix + "/config.nix"); overlays = [ haskell-nix.overlay ]; localSystem.system = system; };
Merge remote-tracking branch 'origin/master' into hkm/clean-data-files-fix
LicenseRef-OtherLicense is not `free = false` (#1006)
The [dependent-map](https://hackage.haskell.org/package/dependent-map) package for instance is not clear on which free license applies to which parts of the code, but that does not mean it is not free. `cabal2nix` maps LicenseRef-OtherLicense to `meta.license = "unknown"` `cabal-to-nix` and `haskell.nix` map it to a more detailed attribute set but it includes `free = false` and that causes packages like `dependent-map` to fail to install when `allowUnfree` has not been set. This change removes the `free` attribute altogether, which seems more principled than asserting that the `OtherLicense` cannot be `free`.
Use combinePath instead of + for data files.
Makes sure "/" character is added when needed.
LicenseRef-OtherLicense is not `free = false`
The [dependent-map](https://hackage.haskell.org/package/dependent-map) package for instance is not clear on which free license applies to which parts of the code, but that does not mean it is not free. `cabal2nix` maps LicenseRef-OtherLicense to `meta.license = "unknown"` `cabal-to-nix` and `haskell.nix` map it to a more detailed attribute set but it includes `free = false` and that causes packages like `dependent-map` to fail to install when `allowUnfree` has not been set. This change removes the `free` attribute altogether, which seems more principled than asserting that the `OtherLicense` cannot be `free`.
Use the source sub directory when running tests (#1005)
Fix `/homeless-shelter` issue when srcSubDir is ""
Use the source sub directory when running tests
When running a test we should do it in the same sub directory the test is built in.