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Merge pull request #4093 from unisonweb/haskell-nix

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Arya Irani 2023-07-09 18:28:37 -04:00 committed by GitHub
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77
development.markdown
View File

@ -110,3 +110,80 @@ More context at: https://stackoverflow.com/a/59761201/310162
### I get an error about `removeDirectoryRecursive`/`removeContentsRecursive`/`removePathRecursive`/`permission denied (Access is denied.)`
Stack doesn't work deterministically in Windows due to mismatched expectations about how file deletion works. If you get this error, you can just retry the build and it will probably make more progress than the last time.
## Building with Nix
## Building package components with nix
### Build the unison executable
```
nix build
```
### Build a specific component
This is specified with the normal
`<package>:<component-type>:<component-name>` triple.
Some examples:
```
nix build '.#unison-cli:lib:unison-cli'
nix build '.#unison-syntax:test:syntax-tests'
nix build '.#unison-cli:exe:transcripts'
```
### Development environments
#### Get into a development environment for building with stack
This gets you into a development environment with the preferred
versions of the compiler and other development tools. These
include:
- ghc
- stack
- ormolu
- haskell-language-server
```
nix develop
```
#### Get into a development environment for building with cabal
This gets you into a development environment with the preferred
versions of the compiler and other development tools. Additionally,
all non-local haskell dependencies (including profiling dependencies)
are provided in the nix shell.
```
nix develop '.#local'
```
#### Get into a development environment for building a specific package
This gets you into a development environment with the preferred
versions of the compiler and other development tools. Additionally,
all haskell dependencies of this package are provided by the nix shell
(including profiling dependencies).
```
nix develop '.#<package-name>'
```
for example:
```
nix develop '.#unison-cli'
```
or
```
nix develop '.#unison-parser-typechecker'
```
This is useful if you wanted to profile a package. For example, if you
want to profile `unison-cli:exe:unison` then you could get into one of these
shells, cd into its directory, then run the program with
profiling.
```
nix develop '.#unison-parser-typechecker'
cd unison-cli
cabal run --enable-profiling unison-cli:exe:unison -- +RTS -p
```

516
flake.lock
View File

@ -1,5 +1,121 @@
{
"nodes": {
"HTTP": {
"flake": false,
"locked": {
"lastModified": 1451647621,
"narHash": "sha256-oHIyw3x0iKBexEo49YeUDV1k74ZtyYKGR2gNJXXRxts=",
"owner": "phadej",
"repo": "HTTP",
"rev": "9bc0996d412fef1787449d841277ef663ad9a915",
"type": "github"
},
"original": {
"owner": "phadej",
"repo": "HTTP",
"type": "github"
}
},
"cabal-32": {
"flake": false,
"locked": {
"lastModified": 1603716527,
"narHash": "sha256-X0TFfdD4KZpwl0Zr6x+PLxUt/VyKQfX7ylXHdmZIL+w=",
"owner": "haskell",
"repo": "cabal",
"rev": "48bf10787e27364730dd37a42b603cee8d6af7ee",
"type": "github"
},
"original": {
"owner": "haskell",
"ref": "3.2",
"repo": "cabal",
"type": "github"
}
},
"cabal-34": {
"flake": false,
"locked": {
"lastModified": 1645834128,
"narHash": "sha256-wG3d+dOt14z8+ydz4SL7pwGfe7SiimxcD/LOuPCV6xM=",
"owner": "haskell",
"repo": "cabal",
"rev": "5ff598c67f53f7c4f48e31d722ba37172230c462",
"type": "github"
},
"original": {
"owner": "haskell",
"ref": "3.4",
"repo": "cabal",
"type": "github"
}
},
"cabal-36": {
"flake": false,
"locked": {
"lastModified": 1669081697,
"narHash": "sha256-I5or+V7LZvMxfbYgZATU4awzkicBwwok4mVoje+sGmU=",
"owner": "haskell",
"repo": "cabal",
"rev": "8fd619e33d34924a94e691c5fea2c42f0fc7f144",
"type": "github"
},
"original": {
"owner": "haskell",
"ref": "3.6",
"repo": "cabal",
"type": "github"
}
},
"cardano-shell": {
"flake": false,
"locked": {
"lastModified": 1608537748,
"narHash": "sha256-PulY1GfiMgKVnBci3ex4ptk2UNYMXqGjJOxcPy2KYT4=",
"owner": "input-output-hk",
"repo": "cardano-shell",
"rev": "9392c75087cb9a3d453998f4230930dea3a95725",
"type": "github"
},
"original": {
"owner": "input-output-hk",
"repo": "cardano-shell",
"type": "github"
}
},
"flake-compat": {
"flake": false,
"locked": {
"lastModified": 1673956053,
"narHash": "sha256-4gtG9iQuiKITOjNQQeQIpoIB6b16fm+504Ch3sNKLd8=",
"owner": "edolstra",
"repo": "flake-compat",
"rev": "35bb57c0c8d8b62bbfd284272c928ceb64ddbde9",
"type": "github"
},
"original": {
"owner": "edolstra",
"repo": "flake-compat",
"type": "github"
}
},
"flake-compat_2": {
"flake": false,
"locked": {
"lastModified": 1672831974,
"narHash": "sha256-z9k3MfslLjWQfnjBtEtJZdq3H7kyi2kQtUThfTgdRk0=",
"owner": "input-output-hk",
"repo": "flake-compat",
"rev": "45f2638735f8cdc40fe302742b79f248d23eb368",
"type": "github"
},
"original": {
"owner": "input-output-hk",
"ref": "hkm/gitlab-fix",
"repo": "flake-compat",
"type": "github"
}
},
"flake-utils": {
"inputs": {
"systems": "systems"
@ -18,26 +134,412 @@
"type": "github"
}
},
"nixpkgs": {
"flake-utils_2": {
"locked": {
"lastModified": 1684935479,
"narHash": "sha256-6QMMsXMr2nhmOPHdti2j3KRHt+bai2zw+LJfdCl97Mk=",
"lastModified": 1679360468,
"narHash": "sha256-LGnza3cfXF10Biw3ZTg0u9o9t7s680Ww200t5KkHTh8=",
"owner": "hamishmack",
"repo": "flake-utils",
"rev": "e1ea268ff47ad475443dbabcd54744b4e5b9d4f5",
"type": "github"
},
"original": {
"owner": "hamishmack",
"ref": "hkm/nested-hydraJobs",
"repo": "flake-utils",
"type": "github"
}
},
"ghc-8.6.5-iohk": {
"flake": false,
"locked": {
"lastModified": 1600920045,
"narHash": "sha256-DO6kxJz248djebZLpSzTGD6s8WRpNI9BTwUeOf5RwY8=",
"owner": "input-output-hk",
"repo": "ghc",
"rev": "95713a6ecce4551240da7c96b6176f980af75cae",
"type": "github"
},
"original": {
"owner": "input-output-hk",
"ref": "release/8.6.5-iohk",
"repo": "ghc",
"type": "github"
}
},
"hackage": {
"flake": false,
"locked": {
"lastModified": 1688689629,
"narHash": "sha256-hNkTA2oaMSnhkvSFnOc76yN0CUl+EyHbxLXFPOJhOlk=",
"owner": "input-output-hk",
"repo": "hackage.nix",
"rev": "902793475a701a03a31411381ee17a6885b76c0b",
"type": "github"
},
"original": {
"owner": "input-output-hk",
"repo": "hackage.nix",
"type": "github"
}
},
"haskellNix": {
"inputs": {
"HTTP": "HTTP",
"cabal-32": "cabal-32",
"cabal-34": "cabal-34",
"cabal-36": "cabal-36",
"cardano-shell": "cardano-shell",
"flake-compat": "flake-compat_2",
"flake-utils": "flake-utils_2",
"ghc-8.6.5-iohk": "ghc-8.6.5-iohk",
"hackage": "hackage",
"hls-1.10": "hls-1.10",
"hls-2.0": "hls-2.0",
"hpc-coveralls": "hpc-coveralls",
"hydra": "hydra",
"iserv-proxy": "iserv-proxy",
"nixpkgs": [
"haskellNix",
"nixpkgs-unstable"
],
"nixpkgs-2003": "nixpkgs-2003",
"nixpkgs-2105": "nixpkgs-2105",
"nixpkgs-2111": "nixpkgs-2111",
"nixpkgs-2205": "nixpkgs-2205",
"nixpkgs-2211": "nixpkgs-2211",
"nixpkgs-2305": "nixpkgs-2305",
"nixpkgs-unstable": "nixpkgs-unstable",
"old-ghc-nix": "old-ghc-nix",
"stackage": "stackage"
},
"locked": {
"lastModified": 1688713029,
"narHash": "sha256-bK2RwnBLaJgtXYwPfpWL3XQJwlRkOimhsieg13Ve5bM=",
"owner": "input-output-hk",
"repo": "haskell.nix",
"rev": "f629a8abac1bbb2168c1c763b9a80effef7156ea",
"type": "github"
},
"original": {
"owner": "input-output-hk",
"repo": "haskell.nix",
"type": "github"
}
},
"hls-1.10": {
"flake": false,
"locked": {
"lastModified": 1680000865,
"narHash": "sha256-rc7iiUAcrHxwRM/s0ErEsSPxOR3u8t7DvFeWlMycWgo=",
"owner": "haskell",
"repo": "haskell-language-server",
"rev": "b08691db779f7a35ff322b71e72a12f6e3376fd9",
"type": "github"
},
"original": {
"owner": "haskell",
"ref": "1.10.0.0",
"repo": "haskell-language-server",
"type": "github"
}
},
"hls-2.0": {
"flake": false,
"locked": {
"lastModified": 1684398654,
"narHash": "sha256-RW44up2BIyBBYN6tZur5f9kDDR3kr0Rd+TgPbLTfwB4=",
"owner": "haskell",
"repo": "haskell-language-server",
"rev": "20c6d1e731cd9c0beef7338e2fc7a8126ba9b6fb",
"type": "github"
},
"original": {
"owner": "haskell",
"ref": "2.0.0.0",
"repo": "haskell-language-server",
"type": "github"
}
},
"hpc-coveralls": {
"flake": false,
"locked": {
"lastModified": 1607498076,
"narHash": "sha256-8uqsEtivphgZWYeUo5RDUhp6bO9j2vaaProQxHBltQk=",
"owner": "sevanspowell",
"repo": "hpc-coveralls",
"rev": "14df0f7d229f4cd2e79f8eabb1a740097fdfa430",
"type": "github"
},
"original": {
"owner": "sevanspowell",
"repo": "hpc-coveralls",
"type": "github"
}
},
"hydra": {
"inputs": {
"nix": "nix",
"nixpkgs": [
"haskellNix",
"hydra",
"nix",
"nixpkgs"
]
},
"locked": {
"lastModified": 1671755331,
"narHash": "sha256-hXsgJj0Cy0ZiCiYdW2OdBz5WmFyOMKuw4zyxKpgUKm4=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "f91ee3065de91a3531329a674a45ddcb3467a650",
"repo": "hydra",
"rev": "f48f00ee6d5727ae3e488cbf9ce157460853fea8",
"type": "github"
},
"original": {
"id": "hydra",
"type": "indirect"
}
},
"iserv-proxy": {
"flake": false,
"locked": {
"lastModified": 1670983692,
"narHash": "sha256-avLo34JnI9HNyOuauK5R69usJm+GfW3MlyGlYxZhTgY=",
"ref": "hkm/remote-iserv",
"rev": "50d0abb3317ac439a4e7495b185a64af9b7b9300",
"revCount": 10,
"type": "git",
"url": "https://gitlab.haskell.org/hamishmack/iserv-proxy.git"
},
"original": {
"ref": "hkm/remote-iserv",
"type": "git",
"url": "https://gitlab.haskell.org/hamishmack/iserv-proxy.git"
}
},
"lowdown-src": {
"flake": false,
"locked": {
"lastModified": 1633514407,
"narHash": "sha256-Dw32tiMjdK9t3ETl5fzGrutQTzh2rufgZV4A/BbxuD4=",
"owner": "kristapsdz",
"repo": "lowdown",
"rev": "d2c2b44ff6c27b936ec27358a2653caaef8f73b8",
"type": "github"
},
"original": {
"owner": "kristapsdz",
"repo": "lowdown",
"type": "github"
}
},
"nix": {
"inputs": {
"lowdown-src": "lowdown-src",
"nixpkgs": "nixpkgs",
"nixpkgs-regression": "nixpkgs-regression"
},
"locked": {
"lastModified": 1661606874,
"narHash": "sha256-9+rpYzI+SmxJn+EbYxjGv68Ucp22bdFUSy/4LkHkkDQ=",
"owner": "NixOS",
"repo": "nix",
"rev": "11e45768b34fdafdcf019ddbd337afa16127ff0f",
"type": "github"
},
"original": {
"owner": "NixOS",
"ref": "nixos-unstable",
"ref": "2.11.0",
"repo": "nix",
"type": "github"
}
},
"nixpkgs": {
"locked": {
"lastModified": 1657693803,
"narHash": "sha256-G++2CJ9u0E7NNTAi9n5G8TdDmGJXcIjkJ3NF8cetQB8=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "365e1b3a859281cf11b94f87231adeabbdd878a2",
"type": "github"
},
"original": {
"owner": "NixOS",
"ref": "nixos-22.05-small",
"repo": "nixpkgs",
"type": "github"
}
},
"nixpkgs-2003": {
"locked": {
"lastModified": 1620055814,
"narHash": "sha256-8LEHoYSJiL901bTMVatq+rf8y7QtWuZhwwpKE2fyaRY=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "1db42b7fe3878f3f5f7a4f2dc210772fd080e205",
"type": "github"
},
"original": {
"owner": "NixOS",
"ref": "nixpkgs-20.03-darwin",
"repo": "nixpkgs",
"type": "github"
}
},
"nixpkgs-2105": {
"locked": {
"lastModified": 1659914493,
"narHash": "sha256-lkA5X3VNMKirvA+SUzvEhfA7XquWLci+CGi505YFAIs=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "022caabb5f2265ad4006c1fa5b1ebe69fb0c3faf",
"type": "github"
},
"original": {
"owner": "NixOS",
"ref": "nixpkgs-21.05-darwin",
"repo": "nixpkgs",
"type": "github"
}
},
"nixpkgs-2111": {
"locked": {
"lastModified": 1659446231,
"narHash": "sha256-hekabNdTdgR/iLsgce5TGWmfIDZ86qjPhxDg/8TlzhE=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "eabc38219184cc3e04a974fe31857d8e0eac098d",
"type": "github"
},
"original": {
"owner": "NixOS",
"ref": "nixpkgs-21.11-darwin",
"repo": "nixpkgs",
"type": "github"
}
},
"nixpkgs-2205": {
"locked": {
"lastModified": 1682600000,
"narHash": "sha256-ha4BehR1dh8EnXSoE1m/wyyYVvHI9txjW4w5/oxsW5Y=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "50fc86b75d2744e1ab3837ef74b53f103a9b55a0",
"type": "github"
},
"original": {
"owner": "NixOS",
"ref": "nixpkgs-22.05-darwin",
"repo": "nixpkgs",
"type": "github"
}
},
"nixpkgs-2211": {
"locked": {
"lastModified": 1685314633,
"narHash": "sha256-8LXBPqTQXl5ofkjpJ18JcbmLJ/lWDoMxtUwiDYv0wro=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "c8a17ce7abc03c50cd072e9e6c9b389c5f61836b",
"type": "github"
},
"original": {
"owner": "NixOS",
"ref": "nixpkgs-22.11-darwin",
"repo": "nixpkgs",
"type": "github"
}
},
"nixpkgs-2305": {
"locked": {
"lastModified": 1685338297,
"narHash": "sha256-+Aq4O0Jn1W1q927ZHc3Zn6RO7bwQGmb6O8xYoGy0KrM=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "6287b47dbfabbb8bfbb9b1b53d198ad58a774de4",
"type": "github"
},
"original": {
"owner": "NixOS",
"ref": "nixpkgs-23.05-darwin",
"repo": "nixpkgs",
"type": "github"
}
},
"nixpkgs-regression": {
"locked": {
"lastModified": 1643052045,
"narHash": "sha256-uGJ0VXIhWKGXxkeNnq4TvV3CIOkUJ3PAoLZ3HMzNVMw=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "215d4d0fd80ca5163643b03a33fde804a29cc1e2",
"type": "github"
},
"original": {
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "215d4d0fd80ca5163643b03a33fde804a29cc1e2",
"type": "github"
}
},
"nixpkgs-unstable": {
"locked": {
"lastModified": 1685347552,
"narHash": "sha256-9woSppRyUFo26yUffORTzttJ+apOt8MmCv6RxpPNTU4=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "f2f1ec390714d303cf84ba086e34e45b450dd8c4",
"type": "github"
},
"original": {
"owner": "NixOS",
"ref": "nixpkgs-unstable",
"repo": "nixpkgs",
"type": "github"
}
},
"old-ghc-nix": {
"flake": false,
"locked": {
"lastModified": 1631092763,
"narHash": "sha256-sIKgO+z7tj4lw3u6oBZxqIhDrzSkvpHtv0Kki+lh9Fg=",
"owner": "angerman",
"repo": "old-ghc-nix",
"rev": "af48a7a7353e418119b6dfe3cd1463a657f342b8",
"type": "github"
},
"original": {
"owner": "angerman",
"ref": "master",
"repo": "old-ghc-nix",
"type": "github"
}
},
"root": {
"inputs": {
"flake-compat": "flake-compat",
"flake-utils": "flake-utils",
"nixpkgs": "nixpkgs"
"haskellNix": "haskellNix",
"nixpkgs": [
"haskellNix",
"nixpkgs-unstable"
]
}
},
"stackage": {
"flake": false,
"locked": {
"lastModified": 1688688652,
"narHash": "sha256-HHTZ2N1qLL029/ucCidOeSNW61khhesMa062bYWBKCU=",
"owner": "input-output-hk",
"repo": "stackage.nix",
"rev": "e00911e5f687ee2fa69cba203881e31d3dedd888",
"type": "github"
},
"original": {
"owner": "input-output-hk",
"repo": "stackage.nix",
"type": "github"
}
},
"systems": {

233
flake.nix
View File

@ -1,86 +1,167 @@
{
description = "A common environment for unison development";
inputs = {
flake-utils.url = "github:numtide/flake-utils";
nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
description = "Unison";
nixConfig = {
extra-substituters = [ "https://cache.iog.io" "https://unison.cachix.org" ];
extra-trusted-public-keys = [
"hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ="
"unison.cachix.org-1:gFuvOrYJX5lXoSoYm6Na3xwUbb9q+S5JFL+UAsWbmzQ="
];
};
outputs = { self, flake-utils, nixpkgs }:
let
ghc-version = "927";
systemAttrs = flake-utils.lib.eachDefaultSystem (system:
inputs = {
haskellNix.url = "github:input-output-hk/haskell.nix";
nixpkgs.follows = "haskellNix/nixpkgs-unstable";
flake-utils.url = "github:numtide/flake-utils";
flake-compat = {
url = "github:edolstra/flake-compat";
flake = false;
};
};
outputs = { self, nixpkgs, flake-utils, haskellNix, flake-compat }:
flake-utils.lib.eachSystem [
"x86_64-linux"
"x86_64-darwin"
"aarch64-darwin"
]
(system:
let
pkgs = nixpkgs.legacyPackages."${system}".extend self.overlay;
ghc = pkgs.haskell.packages."ghc${ghc-version}";
nativePackages = pkgs.lib.optionals pkgs.stdenv.isDarwin
(with pkgs.darwin.apple_sdk.frameworks; [ Cocoa ]);
unison-env = pkgs.mkShell {
packages = let exports = self.packages."${system}";
in with pkgs;
[
exports.stack
exports.hls
exports.ormolu
exports.ghc
pkg-config
zlib
glibcLocales
] ++ nativePackages;
# workaround for https://gitlab.haskell.org/ghc/ghc/-/issues/11042
shellHook = ''
export LD_LIBRARY_PATH=${pkgs.zlib}/lib:$LD_LIBRARY_PATH
'';
overlays = [
haskellNix.overlay
(final: prev: {
unison-project = with prev.lib.strings;
let
cleanSource = pth:
let
src' = prev.lib.cleanSourceWith {
filter = filt;
src = pth;
};
filt = path: type:
let
bn = baseNameOf path;
isHiddenFile = hasPrefix "." bn;
isFlakeLock = bn == "flake.lock";
isNix = hasSuffix ".nix" bn;
in
!isHiddenFile && !isFlakeLock && !isNix;
in
src';
in
final.haskell-nix.project' {
src = cleanSource ./.;
projectFileName = "stack.yaml";
modules = [
# enable profiling
{
enableLibraryProfiling = true;
profilingDetail = "none";
}
# remove buggy build tool dependencies
({ lib, ... }: {
# this component has the build tool
# `unison-cli:unison` and somehow haskell.nix
# decides to add some file sharing package
# `unison` as a build-tool dependency.
packages.unison-cli.components.exes.cli-integration-tests.build-tools =
lib.mkForce [ ];
})
];
branchMap = {
"https://github.com/unisonweb/configurator.git"."e47e9e9fe1f576f8c835183b9def52d73c01327a" =
"unison";
"https://github.com/unisonweb/shellmet.git"."2fd348592c8f51bb4c0ca6ba4bc8e38668913746" =
"topic/avoid-callCommand";
};
};
})
(final: prev: {
unison-stack = prev.symlinkJoin {
name = "stack";
paths = [ final.stack ];
buildInputs = [ final.makeWrapper ];
postBuild =
let
flags = [ "--no-nix" "--system-ghc" "--no-install-ghc" ];
add-flags =
"--add-flags '${prev.lib.concatStringsSep " " flags}'";
in
''
wrapProgram "$out/bin/stack" ${add-flags}
'';
};
})
];
pkgs = import nixpkgs {
inherit system overlays;
inherit (haskellNix) config;
};
in {
flake = pkgs.unison-project.flake { };
apps.repl = flake-utils.lib.mkApp {
drv =
nixpkgs.legacyPackages."${system}".writeShellScriptBin "repl" ''
confnix=$(mktemp)
echo "builtins.getFlake (toString $(git rev-parse --show-toplevel))" >$confnix
trap "rm $confnix" EXIT
nix repl $confnix
commonShellArgs = args:
args // {
# workaround:
# https://github.com/input-output-hk/haskell.nix/issues/1793
# https://github.com/input-output-hk/haskell.nix/issues/1885
allToolDeps = false;
additional = hpkgs: with hpkgs; [ Cabal stm exceptions ghc ghc-heap ];
buildInputs =
let
native-packages = pkgs.lib.optionals pkgs.stdenv.isDarwin
(with pkgs.darwin.apple_sdk.frameworks; [ Cocoa ]);
in
(args.buildInputs or [ ]) ++ (with pkgs; [ unison-stack pkg-config zlib glibcLocales ]) ++ native-packages;
# workaround for https://gitlab.haskell.org/ghc/ghc/-/issues/11042
shellHook = ''
export LD_LIBRARY_PATH=${pkgs.zlib}/lib:$LD_LIBRARY_PATH
'';
};
tools =
let ormolu-ver = "0.5.2.0";
in (args.tools or { }) // {
cabal = { };
ormolu = { version = ormolu-ver; };
haskell-language-server = {
version = "latest";
# specify flags via project file rather than a module override
# https://github.com/input-output-hk/haskell.nix/issues/1509
cabalProject = ''
packages: .
package haskell-language-server
flags: -brittany -fourmolu -stylishhaskell -hlint
constraints: ormolu == ${ormolu-ver}
'';
};
};
};
pkgs = pkgs;
shellFor = args: pkgs.unison-project.shellFor (commonShellArgs args);
devShells.default = unison-env;
packages = {
hls = pkgs.unison-hls;
hls-call-hierarchy-plugin = ghc.hls-call-hierarchy-plugin;
ormolu = pkgs.ormolu;
ghc = pkgs.haskell.compiler."ghc${ghc-version}";
stack = pkgs.unison-stack;
devShell = self.devShells."${system}".default;
};
defaultPackage = self.packages."${system}".devShell;
localPackages = with pkgs.lib;
filterAttrs (k: v: v.isLocal or false) pkgs.unison-project.hsPkgs;
localPackageNames = builtins.attrNames localPackages;
devShells =
let
mkDevShell = pkgName:
shellFor {
packages = hpkgs: [ hpkgs."${pkgName}" ];
withHoogle = true;
};
localPackageDevShells =
pkgs.lib.genAttrs localPackageNames mkDevShell;
in
{
default = devShells.only-tools;
only-tools = shellFor {
packages = _: [ ];
withHoogle = false;
};
local = shellFor {
packages = hpkgs: (map (p: hpkgs."${p}") localPackageNames);
withHoogle = true;
};
} // localPackageDevShells;
in
flake // {
defaultPackage = flake.packages."unison-cli:exe:unison";
inherit (pkgs) unison-project;
inherit devShells localPackageNames;
});
topLevelAttrs = {
overlay = final: prev: {
unison-hls = final.haskell-language-server.override {
haskellPackages = final.haskell.packages."ghc${ghc-version}";
dynamic = true;
supportedGhcVersions = [ ghc-version ];
};
unison-stack = prev.symlinkJoin {
name = "stack";
paths = [ final.stack ];
buildInputs = [ final.makeWrapper ];
postBuild = let
flags = [ "--no-nix" "--system-ghc" "--no-install-ghc" ];
add-flags =
"--add-flags '${prev.lib.concatStringsSep " " flags}'";
in ''
wrapProgram "$out/bin/stack" ${add-flags}
'';
};
};
};
in systemAttrs // topLevelAttrs;
}