From 3d57576ac98bc69e07c3d69a34d32b6b08352836 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebasti=C3=A1n=20Estrella?=
 <2049686+sestrella@users.noreply.github.com>
Date: Thu, 11 Jul 2024 14:57:49 -0500
Subject: [PATCH] ci: Fix `build` workflow (#240)

---
 .github/workflows/build.yml           |  53 +-
 .github/workflows/reusable-docker.yml |   2 +-
 .gitignore                            |   9 +
 devenv.lock                           | 122 ++++
 flake.lock                            | 800 +++++++++++---------------
 flake.nix                             |  78 ++-
 shell.nix                             |  19 -
 7 files changed, 514 insertions(+), 569 deletions(-)
 create mode 100644 devenv.lock
 delete mode 100644 shell.nix

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index da0bc76..60a31f0 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,8 +1,3 @@
-# The present workflow was made based on the following references:
-# - https://github.com/actions/cache/blob/main/examples.md#haskell---cabal
-# - https://github.com/haskell/time/blob/master/.github/workflows/ci.yml
-# - https://github.com/stackbuilders/stache/blob/master/.github/workflows/ci.yaml
-# - https://markkarpov.com/post/github-actions-for-haskell-ci.html
 ---
 name: Build
 
@@ -15,48 +10,24 @@ concurrency:
 jobs:
   haskell:
     strategy:
-      fail-fast: true
       matrix:
         os:
-          - macos-latest
-          - ubuntu-latest
-        devShell:
-          - ghc810
-          - ghc90
-
+          - macos-13      # x86_64-darwin
+          - macos-latest  # aarch64-darwin
+          - ubuntu-latest # x86_64-linux
+      fail-fast: true
     runs-on: ${{ matrix.os }}
-
+    timeout-minutes: 15
     steps:
-      - uses: actions/checkout@v3
-      - uses: cachix/install-nix-action@v22
+      - uses: actions/checkout@v4
+      - uses: DeterminateSystems/nix-installer-action@v12
         with:
-          # https://input-output-hk.github.io/haskell.nix/tutorials/getting-started.html
-          extra_nix_config: |
-            trusted-public-keys = hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
-            substituters = https://cache.iog.io https://cache.nixos.org
-      # https://github.com/actions/cache/blob/main/examples.md#haskell---cabal
-      - uses: actions/cache@v3
-        with:
-          path: |
-            ~/.cabal/packages
-            ~/.cabal/store
-            dist-newstyle
-          key: ${{ runner.os }}-${{ matrix.devShell }}-${{ hashFiles('*.cabal') }}
-          restore-keys: ${{ runner.os }}-${{ matrix.devShell }}-
-      - name: Install packages / Print versions
-        run: ./bin/${{ matrix.devShell }} -c ghc --version && cabal --version
-      - name: Update package index
-        run: ./bin/${{ matrix.devShell }} -c cabal update
-      - name: Enable tests
-        run: ./bin/${{ matrix.devShell }} -c cabal configure --enable-tests
-      - name: Install project dependencies
-        run: ./bin/${{ matrix.devShell }} -c cabal build --only-dependencies
-      - name: Compile project
-        run: ./bin/${{ matrix.devShell }} -c cabal build
+          extra-conf: accept-flake-config = true
+      - uses: DeterminateSystems/magic-nix-cache-action@v7
+      - name: Compile code
+        run: nix build .#test
       - name: Run tests
-        run: ./bin/${{ matrix.devShell }} -c cabal test
-      - name: Check documentation
-        run: ./bin/${{ matrix.devShell }} -c ./script/haddock
+        run: nix run .#test
 
   docker:
     uses: ./.github/workflows/reusable-docker.yml
diff --git a/.github/workflows/reusable-docker.yml b/.github/workflows/reusable-docker.yml
index 66ce3ba..1a31f81 100644
--- a/.github/workflows/reusable-docker.yml
+++ b/.github/workflows/reusable-docker.yml
@@ -18,7 +18,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v3
       - name: Setup Docker Buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v3
       - name: Cache Docker layers
         uses: actions/cache@v3
         with:
diff --git a/.gitignore b/.gitignore
index 47351a7..51b3389 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,3 +24,12 @@ result
 nix/
 .ghc.environment.*
 .tmuxinator.yml
+# Devenv
+.devenv*
+devenv.local.nix
+
+# direnv
+.direnv
+
+# pre-commit
+.pre-commit-config.yaml
diff --git a/devenv.lock b/devenv.lock
new file mode 100644
index 0000000..7e7c5c5
--- /dev/null
+++ b/devenv.lock
@@ -0,0 +1,122 @@
+{
+  "nodes": {
+    "devenv": {
+      "locked": {
+        "dir": "src/modules",
+        "lastModified": 1719003735,
+        "owner": "cachix",
+        "repo": "devenv",
+        "rev": "ffbb18da9000524978d3e537f5e02f48535d2aed",
+        "treeHash": "60ca1cd5b478a61ecc2ec0e454be4ff7b7c3241b",
+        "type": "github"
+      },
+      "original": {
+        "dir": "src/modules",
+        "owner": "cachix",
+        "repo": "devenv",
+        "type": "github"
+      }
+    },
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1696426674,
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
+        "treeHash": "2addb7b71a20a25ea74feeaf5c2f6a6b30898ecb",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "gitignore": {
+      "inputs": {
+        "nixpkgs": [
+          "pre-commit-hooks",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1709087332,
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
+        "treeHash": "ca14199cabdfe1a06a7b1654c76ed49100a689f9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1716977621,
+        "owner": "cachix",
+        "repo": "devenv-nixpkgs",
+        "rev": "4267e705586473d3e5c8d50299e71503f16a6fb6",
+        "treeHash": "6d9f1f7ca0faf1bc2eeb397c78a49623260d3412",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "ref": "rolling",
+        "repo": "devenv-nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-stable": {
+      "locked": {
+        "lastModified": 1718811006,
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "03d771e513ce90147b65fe922d87d3a0356fc125",
+        "treeHash": "ab837eb82b2b0afbb6568f2b27f214324699af3d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-23.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "pre-commit-hooks": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "gitignore": "gitignore",
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "nixpkgs-stable": "nixpkgs-stable"
+      },
+      "locked": {
+        "lastModified": 1718879355,
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "rev": "8cd35b9496d21a6c55164d8547d9d5280162b07a",
+        "treeHash": "246f2197feb48979ccc58af4cab0cfd0f5738645",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "devenv": "devenv",
+        "nixpkgs": "nixpkgs",
+        "pre-commit-hooks": "pre-commit-hooks"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.lock b/flake.lock
index a999749..55acf40 100644
--- a/flake.lock
+++ b/flake.lock
@@ -16,21 +16,6 @@
         "type": "github"
       }
     },
-    "blank": {
-      "locked": {
-        "lastModified": 1625557891,
-        "narHash": "sha256-O8/MWsPBGhhyPoPLHZAuoZiiHo9q6FLlEeIDEXuj6T4=",
-        "owner": "divnix",
-        "repo": "blank",
-        "rev": "5a5d2684073d9f563072ed07c871d577a6c614a8",
-        "type": "github"
-      },
-      "original": {
-        "owner": "divnix",
-        "repo": "blank",
-        "type": "github"
-      }
-    },
     "cabal-32": {
       "flake": false,
       "locked": {
@@ -51,11 +36,11 @@
     "cabal-34": {
       "flake": false,
       "locked": {
-        "lastModified": 1640353650,
-        "narHash": "sha256-N1t6M3/wqj90AEdRkeC8i923gQYUpzSr8b40qVOZ1Rk=",
+        "lastModified": 1645834128,
+        "narHash": "sha256-wG3d+dOt14z8+ydz4SL7pwGfe7SiimxcD/LOuPCV6xM=",
         "owner": "haskell",
         "repo": "cabal",
-        "rev": "942639c18c0cd8ec53e0a6f8d120091af35312cd",
+        "rev": "5ff598c67f53f7c4f48e31d722ba37172230c462",
         "type": "github"
       },
       "original": {
@@ -68,11 +53,11 @@
     "cabal-36": {
       "flake": false,
       "locked": {
-        "lastModified": 1641652457,
-        "narHash": "sha256-BlFPKP4C4HRUJeAbdembX1Rms1LD380q9s0qVDeoAak=",
+        "lastModified": 1669081697,
+        "narHash": "sha256-I5or+V7LZvMxfbYgZATU4awzkicBwwok4mVoje+sGmU=",
         "owner": "haskell",
         "repo": "cabal",
-        "rev": "f27667f8ec360c475027dcaee0138c937477b070",
+        "rev": "8fd619e33d34924a94e691c5fea2c42f0fc7f144",
         "type": "github"
       },
       "original": {
@@ -98,163 +83,33 @@
         "type": "github"
       }
     },
-    "devshell": {
-      "inputs": {
-        "flake-utils": [
-          "haskellNix",
-          "tullia",
-          "std",
-          "flake-utils"
-        ],
-        "nixpkgs": [
-          "haskellNix",
-          "tullia",
-          "std",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1663445644,
-        "narHash": "sha256-+xVlcK60x7VY1vRJbNUEAHi17ZuoQxAIH4S4iUFUGBA=",
-        "owner": "numtide",
-        "repo": "devshell",
-        "rev": "e3dc3e21594fe07bdb24bdf1c8657acaa4cb8f66",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "devshell",
-        "type": "github"
-      }
-    },
-    "dmerge": {
-      "inputs": {
-        "nixlib": [
-          "haskellNix",
-          "tullia",
-          "std",
-          "nixpkgs"
-        ],
-        "yants": [
-          "haskellNix",
-          "tullia",
-          "std",
-          "yants"
-        ]
-      },
-      "locked": {
-        "lastModified": 1659548052,
-        "narHash": "sha256-fzI2gp1skGA8mQo/FBFrUAtY0GQkAIAaV/V127TJPyY=",
-        "owner": "divnix",
-        "repo": "data-merge",
-        "rev": "d160d18ce7b1a45b88344aa3f13ed1163954b497",
-        "type": "github"
-      },
-      "original": {
-        "owner": "divnix",
-        "repo": "data-merge",
-        "type": "github"
-      }
-    },
     "flake-compat": {
       "flake": false,
       "locked": {
-        "lastModified": 1635892615,
-        "narHash": "sha256-harGbMZr4hzat2BWBU+Y5OYXlu+fVz7E4WeQzHi5o8A=",
+        "lastModified": 1672831974,
+        "narHash": "sha256-z9k3MfslLjWQfnjBtEtJZdq3H7kyi2kQtUThfTgdRk0=",
         "owner": "input-output-hk",
         "repo": "flake-compat",
-        "rev": "eca47d3377946315596da653862d341ee5341318",
+        "rev": "45f2638735f8cdc40fe302742b79f248d23eb368",
         "type": "github"
       },
       "original": {
         "owner": "input-output-hk",
-        "repo": "flake-compat",
-        "type": "github"
-      }
-    },
-    "flake-compat_2": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1650374568,
-        "narHash": "sha256-Z+s0J8/r907g149rllvwhb4pKi8Wam5ij0st8PwAh+E=",
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "rev": "b4a34015c698c7793d592d66adbab377907a2be8",
-        "type": "github"
-      },
-      "original": {
-        "owner": "edolstra",
+        "ref": "hkm/gitlab-fix",
         "repo": "flake-compat",
         "type": "github"
       }
     },
     "flake-utils": {
-      "locked": {
-        "lastModified": 1676283394,
-        "narHash": "sha256-XX2f9c3iySLCw54rJ/CZs+ZK6IQy7GXNY4nSOyu2QG4=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "3db36a8b464d0c4532ba1c7dda728f4576d6d073",
-        "type": "github"
+      "inputs": {
+        "systems": "systems"
       },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "flake-utils_2": {
       "locked": {
-        "lastModified": 1644229661,
-        "narHash": "sha256-1YdnJAsNy69bpcjuoKdOYQX0YxZBiCYZo4Twxerqv7k=",
+        "lastModified": 1710146030,
+        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "3cecb5b042f7f209c56ffd8371b2711a290ec797",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "flake-utils_3": {
-      "locked": {
-        "lastModified": 1653893745,
-        "narHash": "sha256-0jntwV3Z8//YwuOjzhV2sgJJPt+HY6KhU7VZUL0fKZQ=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "1ed9fb1935d260de5fe1c2f7ee0ebaae17ed2fa1",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "flake-utils_4": {
-      "locked": {
-        "lastModified": 1659877975,
-        "narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "c0e246b9b83f637f4681389ecabcb2681b4f3af0",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "flake-utils_5": {
-      "locked": {
-        "lastModified": 1653893745,
-        "narHash": "sha256-0jntwV3Z8//YwuOjzhV2sgJJPt+HY6KhU7VZUL0fKZQ=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "1ed9fb1935d260de5fe1c2f7ee0ebaae17ed2fa1",
+        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
         "type": "github"
       },
       "original": {
@@ -280,33 +135,51 @@
         "type": "github"
       }
     },
-    "gomod2nix": {
-      "inputs": {
-        "nixpkgs": "nixpkgs_2",
-        "utils": "utils"
-      },
+    "ghc910X": {
+      "flake": false,
       "locked": {
-        "lastModified": 1655245309,
-        "narHash": "sha256-d/YPoQ/vFn1+GTmSdvbSBSTOai61FONxB4+Lt6w/IVI=",
-        "owner": "tweag",
-        "repo": "gomod2nix",
-        "rev": "40d32f82fc60d66402eb0972e6e368aeab3faf58",
-        "type": "github"
+        "lastModified": 1714520650,
+        "narHash": "sha256-4uz6RA1hRr0RheGNDM49a/B3jszqNNU8iHIow4mSyso=",
+        "ref": "ghc-9.10",
+        "rev": "2c6375b9a804ac7fca1e82eb6fcfc8594c67c5f5",
+        "revCount": 62663,
+        "submodules": true,
+        "type": "git",
+        "url": "https://gitlab.haskell.org/ghc/ghc"
       },
       "original": {
-        "owner": "tweag",
-        "repo": "gomod2nix",
-        "type": "github"
+        "ref": "ghc-9.10",
+        "submodules": true,
+        "type": "git",
+        "url": "https://gitlab.haskell.org/ghc/ghc"
+      }
+    },
+    "ghc911": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1714817013,
+        "narHash": "sha256-m2je4UvWfkgepMeUIiXHMwE6W+iVfUY38VDGkMzjCcc=",
+        "ref": "refs/heads/master",
+        "rev": "fc24c5cf6c62ca9e3c8d236656e139676df65034",
+        "revCount": 62816,
+        "submodules": true,
+        "type": "git",
+        "url": "https://gitlab.haskell.org/ghc/ghc"
+      },
+      "original": {
+        "submodules": true,
+        "type": "git",
+        "url": "https://gitlab.haskell.org/ghc/ghc"
       }
     },
     "hackage": {
       "flake": false,
       "locked": {
-        "lastModified": 1669857312,
-        "narHash": "sha256-m0jYF2gOKTaCcedV+dZkCjVbfv0CWkRziCeEk/NF/34=",
+        "lastModified": 1719016632,
+        "narHash": "sha256-SVZYZg2/9LasyfijTiY/dgr3g7v3BRRx0yyxtDnsLE8=",
         "owner": "input-output-hk",
         "repo": "hackage.nix",
-        "rev": "8299f5acc68f0e91563e7688f24cbc70391600bf",
+        "rev": "7a26dca8c822a23a4e5a725ccd56da11b0dd74de",
         "type": "github"
       },
       "original": {
@@ -323,11 +196,22 @@
         "cabal-36": "cabal-36",
         "cardano-shell": "cardano-shell",
         "flake-compat": "flake-compat",
-        "flake-utils": "flake-utils_2",
         "ghc-8.6.5-iohk": "ghc-8.6.5-iohk",
+        "ghc910X": "ghc910X",
+        "ghc911": "ghc911",
         "hackage": "hackage",
+        "hls-1.10": "hls-1.10",
+        "hls-2.0": "hls-2.0",
+        "hls-2.2": "hls-2.2",
+        "hls-2.3": "hls-2.3",
+        "hls-2.4": "hls-2.4",
+        "hls-2.5": "hls-2.5",
+        "hls-2.6": "hls-2.6",
+        "hls-2.7": "hls-2.7",
+        "hls-2.8": "hls-2.8",
         "hpc-coveralls": "hpc-coveralls",
         "hydra": "hydra",
+        "iserv-proxy": "iserv-proxy",
         "nixpkgs": [
           "haskellNix",
           "nixpkgs-unstable"
@@ -336,26 +220,180 @@
         "nixpkgs-2105": "nixpkgs-2105",
         "nixpkgs-2111": "nixpkgs-2111",
         "nixpkgs-2205": "nixpkgs-2205",
+        "nixpkgs-2211": "nixpkgs-2211",
+        "nixpkgs-2305": "nixpkgs-2305",
+        "nixpkgs-2311": "nixpkgs-2311",
         "nixpkgs-unstable": "nixpkgs-unstable",
         "old-ghc-nix": "old-ghc-nix",
-        "stackage": "stackage",
-        "tullia": "tullia"
+        "stackage": "stackage"
       },
       "locked": {
-        "lastModified": 1669931405,
-        "narHash": "sha256-oSlxyFCsmG/z1Vks8RT94ZagrzTPT/WMwT7OOiEsyzI=",
+        "lastModified": 1719017430,
+        "narHash": "sha256-n/ctlEhmzGcco5hXM+OWimkr1XqKyjHXt9wSv88HyqI=",
         "owner": "input-output-hk",
         "repo": "haskell.nix",
-        "rev": "b90fbaa272a6d17ddc21164ca3056e1618feafcd",
+        "rev": "f65f0349733b0c18139a960bf1ce95d18589c917",
         "type": "github"
       },
       "original": {
         "owner": "input-output-hk",
-        "ref": "0.0.117",
         "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": 1687698105,
+        "narHash": "sha256-OHXlgRzs/kuJH8q7Sxh507H+0Rb8b7VOiPAjcY9sM1k=",
+        "owner": "haskell",
+        "repo": "haskell-language-server",
+        "rev": "783905f211ac63edf982dd1889c671653327e441",
+        "type": "github"
+      },
+      "original": {
+        "owner": "haskell",
+        "ref": "2.0.0.1",
+        "repo": "haskell-language-server",
+        "type": "github"
+      }
+    },
+    "hls-2.2": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1693064058,
+        "narHash": "sha256-8DGIyz5GjuCFmohY6Fa79hHA/p1iIqubfJUTGQElbNk=",
+        "owner": "haskell",
+        "repo": "haskell-language-server",
+        "rev": "b30f4b6cf5822f3112c35d14a0cba51f3fe23b85",
+        "type": "github"
+      },
+      "original": {
+        "owner": "haskell",
+        "ref": "2.2.0.0",
+        "repo": "haskell-language-server",
+        "type": "github"
+      }
+    },
+    "hls-2.3": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1695910642,
+        "narHash": "sha256-tR58doOs3DncFehHwCLczJgntyG/zlsSd7DgDgMPOkI=",
+        "owner": "haskell",
+        "repo": "haskell-language-server",
+        "rev": "458ccdb55c9ea22cd5d13ec3051aaefb295321be",
+        "type": "github"
+      },
+      "original": {
+        "owner": "haskell",
+        "ref": "2.3.0.0",
+        "repo": "haskell-language-server",
+        "type": "github"
+      }
+    },
+    "hls-2.4": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1699862708,
+        "narHash": "sha256-YHXSkdz53zd0fYGIYOgLt6HrA0eaRJi9mXVqDgmvrjk=",
+        "owner": "haskell",
+        "repo": "haskell-language-server",
+        "rev": "54507ef7e85fa8e9d0eb9a669832a3287ffccd57",
+        "type": "github"
+      },
+      "original": {
+        "owner": "haskell",
+        "ref": "2.4.0.1",
+        "repo": "haskell-language-server",
+        "type": "github"
+      }
+    },
+    "hls-2.5": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1701080174,
+        "narHash": "sha256-fyiR9TaHGJIIR0UmcCb73Xv9TJq3ht2ioxQ2mT7kVdc=",
+        "owner": "haskell",
+        "repo": "haskell-language-server",
+        "rev": "27f8c3d3892e38edaef5bea3870161815c4d014c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "haskell",
+        "ref": "2.5.0.0",
+        "repo": "haskell-language-server",
+        "type": "github"
+      }
+    },
+    "hls-2.6": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1705325287,
+        "narHash": "sha256-+P87oLdlPyMw8Mgoul7HMWdEvWP/fNlo8jyNtwME8E8=",
+        "owner": "haskell",
+        "repo": "haskell-language-server",
+        "rev": "6e0b342fa0327e628610f2711f8c3e4eaaa08b1e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "haskell",
+        "ref": "2.6.0.0",
+        "repo": "haskell-language-server",
+        "type": "github"
+      }
+    },
+    "hls-2.7": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1708965829,
+        "narHash": "sha256-LfJ+TBcBFq/XKoiNI7pc4VoHg4WmuzsFxYJ3Fu+Jf+M=",
+        "owner": "haskell",
+        "repo": "haskell-language-server",
+        "rev": "50322b0a4aefb27adc5ec42f5055aaa8f8e38001",
+        "type": "github"
+      },
+      "original": {
+        "owner": "haskell",
+        "ref": "2.7.0.0",
+        "repo": "haskell-language-server",
+        "type": "github"
+      }
+    },
+    "hls-2.8": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1715153580,
+        "narHash": "sha256-Vi/iUt2pWyUJlo9VrYgTcbRviWE0cFO6rmGi9rmALw0=",
+        "owner": "haskell",
+        "repo": "haskell-language-server",
+        "rev": "dd1be1beb16700de59e0d6801957290bcf956a0a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "haskell",
+        "ref": "2.8.0.0",
+        "repo": "haskell-language-server",
+        "type": "github"
+      }
+    },
     "hpc-coveralls": {
       "flake": false,
       "locked": {
@@ -383,11 +421,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1646878427,
-        "narHash": "sha256-KtbrofMtN8GlM7D+n90kixr7QpSlVmdN+vK5CA/aRzc=",
+        "lastModified": 1671755331,
+        "narHash": "sha256-hXsgJj0Cy0ZiCiYdW2OdBz5WmFyOMKuw4zyxKpgUKm4=",
         "owner": "NixOS",
         "repo": "hydra",
-        "rev": "28b682b85b7efc5cf7974065792a1f22203a5927",
+        "rev": "f48f00ee6d5727ae3e488cbf9ce157460853fea8",
         "type": "github"
       },
       "original": {
@@ -395,6 +433,23 @@
         "type": "indirect"
       }
     },
+    "iserv-proxy": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1717479972,
+        "narHash": "sha256-7vE3RQycHI1YT9LHJ1/fUaeln2vIpYm6Mmn8FTpYeVo=",
+        "owner": "stable-haskell",
+        "repo": "iserv-proxy",
+        "rev": "2ed34002247213fc435d0062350b91bab920626e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "stable-haskell",
+        "ref": "iserv-syms",
+        "repo": "iserv-proxy",
+        "type": "github"
+      }
+    },
     "lowdown-src": {
       "flake": false,
       "locked": {
@@ -411,46 +466,6 @@
         "type": "github"
       }
     },
-    "mdbook-kroki-preprocessor": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1661755005,
-        "narHash": "sha256-1TJuUzfyMycWlOQH67LR63/ll2GDZz25I3JfScy/Jnw=",
-        "owner": "JoelCourtney",
-        "repo": "mdbook-kroki-preprocessor",
-        "rev": "93adb5716d035829efed27f65f2f0833a7d3e76f",
-        "type": "github"
-      },
-      "original": {
-        "owner": "JoelCourtney",
-        "repo": "mdbook-kroki-preprocessor",
-        "type": "github"
-      }
-    },
-    "n2c": {
-      "inputs": {
-        "flake-utils": "flake-utils_5",
-        "nixpkgs": [
-          "haskellNix",
-          "tullia",
-          "std",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1665039323,
-        "narHash": "sha256-SAh3ZjFGsaCI8FRzXQyp56qcGdAqgKEfJWPCQ0Sr7tQ=",
-        "owner": "nlewo",
-        "repo": "nix2container",
-        "rev": "b008fe329ffb59b67bf9e7b08ede6ee792f2741a",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nlewo",
-        "repo": "nix2container",
-        "type": "github"
-      }
-    },
     "nix": {
       "inputs": {
         "lowdown-src": "lowdown-src",
@@ -458,122 +473,34 @@
         "nixpkgs-regression": "nixpkgs-regression"
       },
       "locked": {
-        "lastModified": 1643066034,
-        "narHash": "sha256-xEPeMcNJVOeZtoN+d+aRwolpW8mFSEQx76HTRdlhPhg=",
+        "lastModified": 1661606874,
+        "narHash": "sha256-9+rpYzI+SmxJn+EbYxjGv68Ucp22bdFUSy/4LkHkkDQ=",
         "owner": "NixOS",
         "repo": "nix",
-        "rev": "a1cd7e58606a41fcf62bf8637804cf8306f17f62",
+        "rev": "11e45768b34fdafdcf019ddbd337afa16127ff0f",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "2.6.0",
+        "ref": "2.11.0",
         "repo": "nix",
         "type": "github"
       }
     },
-    "nix-nomad": {
-      "inputs": {
-        "flake-compat": "flake-compat_2",
-        "flake-utils": [
-          "haskellNix",
-          "tullia",
-          "nix2container",
-          "flake-utils"
-        ],
-        "gomod2nix": "gomod2nix",
-        "nixpkgs": [
-          "haskellNix",
-          "tullia",
-          "nixpkgs"
-        ],
-        "nixpkgs-lib": [
-          "haskellNix",
-          "tullia",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1658277770,
-        "narHash": "sha256-T/PgG3wUn8Z2rnzfxf2VqlR1CBjInPE0l1yVzXxPnt0=",
-        "owner": "tristanpemble",
-        "repo": "nix-nomad",
-        "rev": "054adcbdd0a836ae1c20951b67ed549131fd2d70",
-        "type": "github"
-      },
-      "original": {
-        "owner": "tristanpemble",
-        "repo": "nix-nomad",
-        "type": "github"
-      }
-    },
-    "nix2container": {
-      "inputs": {
-        "flake-utils": "flake-utils_3",
-        "nixpkgs": "nixpkgs_3"
-      },
-      "locked": {
-        "lastModified": 1658567952,
-        "narHash": "sha256-XZ4ETYAMU7XcpEeAFP3NOl9yDXNuZAen/aIJ84G+VgA=",
-        "owner": "nlewo",
-        "repo": "nix2container",
-        "rev": "60bb43d405991c1378baf15a40b5811a53e32ffa",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nlewo",
-        "repo": "nix2container",
-        "type": "github"
-      }
-    },
-    "nixago": {
-      "inputs": {
-        "flake-utils": [
-          "haskellNix",
-          "tullia",
-          "std",
-          "flake-utils"
-        ],
-        "nixago-exts": [
-          "haskellNix",
-          "tullia",
-          "std",
-          "blank"
-        ],
-        "nixpkgs": [
-          "haskellNix",
-          "tullia",
-          "std",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1661824785,
-        "narHash": "sha256-/PnwdWoO/JugJZHtDUioQp3uRiWeXHUdgvoyNbXesz8=",
-        "owner": "nix-community",
-        "repo": "nixago",
-        "rev": "8c1f9e5f1578d4b2ea989f618588d62a335083c3",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "nixago",
-        "type": "github"
-      }
-    },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1632864508,
-        "narHash": "sha256-d127FIvGR41XbVRDPVvozUPQ/uRHbHwvfyKHwEt5xFM=",
+        "lastModified": 1657693803,
+        "narHash": "sha256-G++2CJ9u0E7NNTAi9n5G8TdDmGJXcIjkJ3NF8cetQB8=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "82891b5e2c2359d7e58d08849e4c89511ab94234",
+        "rev": "365e1b3a859281cf11b94f87231adeabbdd878a2",
         "type": "github"
       },
       "original": {
-        "id": "nixpkgs",
-        "ref": "nixos-21.05-small",
-        "type": "indirect"
+        "owner": "NixOS",
+        "ref": "nixos-22.05-small",
+        "repo": "nixpkgs",
+        "type": "github"
       }
     },
     "nixpkgs-2003": {
@@ -626,11 +553,11 @@
     },
     "nixpkgs-2205": {
       "locked": {
-        "lastModified": 1663981975,
-        "narHash": "sha256-TKaxWAVJR+a5JJauKZqibmaM5e/Pi5tBDx9s8fl/kSE=",
+        "lastModified": 1685573264,
+        "narHash": "sha256-Zffu01pONhs/pqH07cjlF10NnMDLok8ix5Uk4rhOnZQ=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "309faedb8338d3ae8ad8f1043b3ccf48c9cc2970",
+        "rev": "380be19fbd2d9079f677978361792cb25e8a3635",
         "type": "github"
       },
       "original": {
@@ -640,6 +567,54 @@
         "type": "github"
       }
     },
+    "nixpkgs-2211": {
+      "locked": {
+        "lastModified": 1688392541,
+        "narHash": "sha256-lHrKvEkCPTUO+7tPfjIcb7Trk6k31rz18vkyqmkeJfY=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "ea4c80b39be4c09702b0cb3b42eab59e2ba4f24b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-22.11-darwin",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-2305": {
+      "locked": {
+        "lastModified": 1701362232,
+        "narHash": "sha256-GVdzxL0lhEadqs3hfRLuj+L1OJFGiL/L7gCcelgBlsw=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "d2332963662edffacfddfad59ff4f709dde80ffe",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-23.05-darwin",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-2311": {
+      "locked": {
+        "lastModified": 1701386440,
+        "narHash": "sha256-xI0uQ9E7JbmEy/v8kR9ZQan6389rHug+zOtZeZFiDJk=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "293822e55ec1872f715a66d0eda9e592dc14419f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-23.11-darwin",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nixpkgs-regression": {
       "locked": {
         "lastModified": 1643052045,
@@ -650,71 +625,25 @@
         "type": "github"
       },
       "original": {
-        "id": "nixpkgs",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
         "rev": "215d4d0fd80ca5163643b03a33fde804a29cc1e2",
-        "type": "indirect"
+        "type": "github"
       }
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1663905476,
-        "narHash": "sha256-0CSwRKaYravh9v6qSlBpM0gNg0UhKT2lL7Yn6Zbx7UM=",
+        "lastModified": 1694822471,
+        "narHash": "sha256-6fSDCj++lZVMZlyqOe9SIOL8tYSBz1bI8acwovRwoX8=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "e14f9fb57315f0d4abde222364f19f88c77d2b79",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs_2": {
-      "locked": {
-        "lastModified": 1653581809,
-        "narHash": "sha256-Uvka0V5MTGbeOfWte25+tfRL3moECDh1VwokWSZUdoY=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "83658b28fe638a170a19b8933aa008b30640fbd1",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixos-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs_3": {
-      "locked": {
-        "lastModified": 1654807842,
-        "narHash": "sha256-ADymZpr6LuTEBXcy6RtFHcUZdjKTBRTMYwu19WOx17E=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "fc909087cc3386955f21b4665731dbdaceefb1d8",
+        "rev": "47585496bcb13fb72e4a90daeea2f434e2501998",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs_4": {
-      "locked": {
-        "lastModified": 1665087388,
-        "narHash": "sha256-FZFPuW9NWHJteATOf79rZfwfRn5fE0wi9kRzvGfDHPA=",
-        "owner": "nixos",
-        "repo": "nixpkgs",
-        "rev": "95fda953f6db2e9496d2682c4fc7b82f959878f7",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nixos",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
+        "rev": "47585496bcb13fb72e4a90daeea2f434e2501998",
         "type": "github"
       }
     },
@@ -748,11 +677,11 @@
     "stackage": {
       "flake": false,
       "locked": {
-        "lastModified": 1669857425,
-        "narHash": "sha256-pmGWQ8poIUqU0V02Zm8aMPimcW2JHqKCFOnLSYX22Ow=",
+        "lastModified": 1719015795,
+        "narHash": "sha256-wJyFaY7m75xH3CIHPxJ25H+nE7BdtDOxF6JLyAaSvWk=",
         "owner": "input-output-hk",
         "repo": "stackage.nix",
-        "rev": "76e7487150da63a6061c63fa83e69da97ec56ede",
+        "rev": "56a010491be669780a5edf06445bd3f81e05b165",
         "type": "github"
       },
       "original": {
@@ -761,103 +690,18 @@
         "type": "github"
       }
     },
-    "std": {
-      "inputs": {
-        "blank": "blank",
-        "devshell": "devshell",
-        "dmerge": "dmerge",
-        "flake-utils": "flake-utils_4",
-        "makes": [
-          "haskellNix",
-          "tullia",
-          "std",
-          "blank"
-        ],
-        "mdbook-kroki-preprocessor": "mdbook-kroki-preprocessor",
-        "microvm": [
-          "haskellNix",
-          "tullia",
-          "std",
-          "blank"
-        ],
-        "n2c": "n2c",
-        "nixago": "nixago",
-        "nixpkgs": "nixpkgs_4",
-        "yants": "yants"
-      },
+    "systems": {
       "locked": {
-        "lastModified": 1665513321,
-        "narHash": "sha256-D6Pacw9yf/HMs84KYuCxHXnNDL7v43gtcka5URagFqE=",
-        "owner": "divnix",
-        "repo": "std",
-        "rev": "94a90eedb9cfc115b12ae8f6622d9904788559e4",
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
         "type": "github"
       },
       "original": {
-        "owner": "divnix",
-        "repo": "std",
-        "type": "github"
-      }
-    },
-    "tullia": {
-      "inputs": {
-        "nix-nomad": "nix-nomad",
-        "nix2container": "nix2container",
-        "nixpkgs": [
-          "haskellNix",
-          "nixpkgs"
-        ],
-        "std": "std"
-      },
-      "locked": {
-        "lastModified": 1666200256,
-        "narHash": "sha256-cJPS8zBu30SMhxMe7I8DWutwqMuhPsEez87y9gxMKc4=",
-        "owner": "input-output-hk",
-        "repo": "tullia",
-        "rev": "575362c2244498e8d2c97f72861510fa72e75d44",
-        "type": "github"
-      },
-      "original": {
-        "owner": "input-output-hk",
-        "repo": "tullia",
-        "type": "github"
-      }
-    },
-    "utils": {
-      "locked": {
-        "lastModified": 1653893745,
-        "narHash": "sha256-0jntwV3Z8//YwuOjzhV2sgJJPt+HY6KhU7VZUL0fKZQ=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "1ed9fb1935d260de5fe1c2f7ee0ebaae17ed2fa1",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "yants": {
-      "inputs": {
-        "nixpkgs": [
-          "haskellNix",
-          "tullia",
-          "std",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1660507851,
-        "narHash": "sha256-BKjq7JnVuUR/xDtcv6Vm9GYGKAblisXrAgybor9hT/s=",
-        "owner": "divnix",
-        "repo": "yants",
-        "rev": "0b895ca02a8fa72bad50b454cb3e7d8a66407c96",
-        "type": "github"
-      },
-      "original": {
-        "owner": "divnix",
-        "repo": "yants",
+        "owner": "nix-systems",
+        "repo": "default",
         "type": "github"
       }
     }
diff --git a/flake.nix b/flake.nix
index d0574a7..99e590b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,44 +1,62 @@
 {
   inputs = {
     flake-utils.url = "github:numtide/flake-utils";
-    haskellNix.url = "github:input-output-hk/haskell.nix/0.0.117";
+    haskellNix.url = "github:input-output-hk/haskell.nix";
     nixpkgs.follows = "haskellNix/nixpkgs-unstable";
   };
 
-  outputs = { self, flake-utils, haskellNix, nixpkgs }:
-    let
-      supportedSystems = [
-        "aarch64-darwin"
-        "x86_64-darwin"
-        "x86_64-linux"
-      ];
-    in
-    flake-utils.lib.eachSystem supportedSystems (system:
+  nixConfig = {
+    allow-import-from-derivation = "true";
+    extra-substituters = [ "https://cache.iog.io" ];
+    extra-trusted-public-keys = [ "hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ=" ];
+  };
+
+  outputs = inputs@{ self, flake-utils, haskellNix, nixpkgs }:
+    # https://input-output-hk.github.io/haskell.nix/tutorials/getting-started-flakes.html
+    flake-utils.lib.eachDefaultSystem (system:
       let
-        # https://input-output-hk.github.io/haskell.nix/tutorials/getting-started-flakes.html
         pkgs = import nixpkgs {
-          system = if system == "aarch64-darwin" then "x86_64-darwin" else system;
-          overlays = [ haskellNix.overlay ];
+          inherit system;
           inherit (haskellNix) config;
+          overlays = [
+            haskellNix.overlay
+            (final: prev: {
+              hapistrano = final.haskell-nix.cabalProject' {
+                src = final.haskell-nix.haskellLib.cleanGit {
+                  name = "hapistrano";
+                  src = ./.;
+                };
+                compiler-nix-name = "ghc8107";
+              };
+            })
+          ];
         };
+        flake = pkgs.hapistrano.flake { };
       in
-      {
-        devShells = rec {
-          ghc810 = import ./shell.nix { inherit pkgs; ghcVersion = "8.10"; };
-          ghc90 = import ./shell.nix { inherit pkgs; ghcVersion = "9.0"; };
-          default = ghc90;
+      flake // rec {
+        apps = {
+          test = {
+            type = "app";
+            program = "${packages.test}/bin/test";
+          };
+        };
+        legacyPackages = pkgs;
+        packages = {
+          default = flake.packages."hapistrano:exe:hap";
+          test = flake.packages."hapistrano:test:test".overrideAttrs (_: {
+            postFixup = ''
+              wrapProgram $out/bin/test \
+                --set PATH ${pkgs.lib.makeBinPath [
+                  pkgs.bash
+                  pkgs.coreutils
+                  pkgs.findutils
+                  pkgs.git
+                  pkgs.zsh
+                ]}
+            '';
+          });
         };
       });
-
-  # --- Flake Local Nix Configuration ----------------------------
-  nixConfig = {
-    # This sets the flake to use the IOG nix cache.
-    # Nix should ask for permission before using it,
-    # but remove it here if you do not want it to.
-    extra-substituters = [ "https://cache.iog.io" ];
-    extra-trusted-public-keys = [
-      "hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ="
-    ];
-    allow-import-from-derivation = "true";
-  };
 }
+
+
diff --git a/shell.nix b/shell.nix
deleted file mode 100644
index edca0fb..0000000
--- a/shell.nix
+++ /dev/null
@@ -1,19 +0,0 @@
-{ pkgs, ghcVersion ? "9.0" }:
-
-let
-  haskellCompiler =
-    if pkgs.stdenv.isDarwin
-    then pkgs.haskell-nix.compiler
-    else pkgs.haskell.compiler;
-  supportedGhcVersions = {
-    "8.10" = haskellCompiler.ghc8107;
-    "9.0" = haskellCompiler.ghc902;
-  };
-in
-pkgs.mkShell {
-  buildInputs = [
-    pkgs.cabal-install
-    pkgs.zsh
-    supportedGhcVersions.${ghcVersion}
-  ];
-}