From 0ee238da71132852883586474bc2709a692e3072 Mon Sep 17 00:00:00 2001
From: Jamie Temple <jamie-temple@live.de>
Date: Fri, 11 Oct 2024 21:24:23 +0200
Subject: [PATCH] Add Nix flake

---
 .envrc     |   1 +
 .gitignore |   3 +-
 Cargo.lock | 593 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 Cargo.toml |   1 +
 flake.lock | 142 +++++++++++++
 flake.nix  | 137 +++++++++++++
 6 files changed, 876 insertions(+), 1 deletion(-)
 create mode 100644 .envrc
 create mode 100644 Cargo.lock
 create mode 100644 flake.lock
 create mode 100644 flake.nix

diff --git a/.envrc b/.envrc
new file mode 100644
index 00000000..c4b17d79
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use_flake
diff --git a/.gitignore b/.gitignore
index 35729b95..9abe569f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,8 +7,9 @@
 # Rust
 /target
 /main/target
-Cargo.lock
 **/*.rs.bk
 
 # macOS
 .DS_Store
+result
+.direnv
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 00000000..1aa8480e
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,593 @@
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+[[package]]
+name = "windows_i686_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
diff --git a/Cargo.toml b/Cargo.toml
index 7a2aa21b..5cb85c47 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -39,6 +39,7 @@ serde_json = "1"
 
 [[bin]]
 name = "hayagriva"
+path = "src/main.rs"
 required-features = ["cli"]
 
 [[test]]
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 00000000..0d302c37
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,142 @@
+{
+  "nodes": {
+    "crane": {
+      "locked": {
+        "lastModified": 1728344376,
+        "narHash": "sha256-lxTce2XE6mfJH8Zk6yBbqsbu9/jpwdymbSH5cCbiVOA=",
+        "owner": "ipetkov",
+        "repo": "crane",
+        "rev": "fd86b78f5f35f712c72147427b1eb81a9bd55d0b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "ipetkov",
+        "repo": "crane",
+        "type": "github"
+      }
+    },
+    "fenix": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "rust-analyzer-src": "rust-analyzer-src"
+      },
+      "locked": {
+        "lastModified": 1728455642,
+        "narHash": "sha256-abYGwrL6ak5sBRqwPh+V3CPJ6Pa89p378t51b7BO1lE=",
+        "owner": "nix-community",
+        "repo": "fenix",
+        "rev": "3b47535a5c782e4f4ad59cd4bdb23636b6926e03",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "fenix",
+        "type": "github"
+      }
+    },
+    "flake-parts": {
+      "inputs": {
+        "nixpkgs-lib": "nixpkgs-lib"
+      },
+      "locked": {
+        "lastModified": 1727826117,
+        "narHash": "sha256-K5ZLCyfO/Zj9mPFldf3iwS6oZStJcU4tSpiXTMYaaL0=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "3d04084d54bedc3d6b8b736c70ef449225c361b1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1728241625,
+        "narHash": "sha256-yumd4fBc/hi8a9QgA9IT8vlQuLZ2oqhkJXHPKxH/tRw=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "c31898adf5a8ed202ce5bea9f347b1c6871f32d1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-lib": {
+      "locked": {
+        "lastModified": 1727825735,
+        "narHash": "sha256-0xHYkMkeLVQAMa7gvkddbPqpxph+hDzdu1XdGPJR+Os=",
+        "type": "tarball",
+        "url": "https://github.com/NixOS/nixpkgs/archive/fb192fec7cc7a4c26d51779e9bab07ce6fa5597a.tar.gz"
+      },
+      "original": {
+        "type": "tarball",
+        "url": "https://github.com/NixOS/nixpkgs/archive/fb192fec7cc7a4c26d51779e9bab07ce6fa5597a.tar.gz"
+      }
+    },
+    "root": {
+      "inputs": {
+        "crane": "crane",
+        "fenix": "fenix",
+        "flake-parts": "flake-parts",
+        "nixpkgs": "nixpkgs",
+        "rust-manifest": "rust-manifest",
+        "systems": "systems"
+      }
+    },
+    "rust-analyzer-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1728386838,
+        "narHash": "sha256-Lk64EoJkvp3WMGVJK3CR1TYcNghX0/BqHPLW5zdvmLE=",
+        "owner": "rust-lang",
+        "repo": "rust-analyzer",
+        "rev": "efaf8bd5de34e2f47bd57425b83e0c7974902176",
+        "type": "github"
+      },
+      "original": {
+        "owner": "rust-lang",
+        "ref": "nightly",
+        "repo": "rust-analyzer",
+        "type": "github"
+      }
+    },
+    "rust-manifest": {
+      "flake": false,
+      "locked": {
+        "narHash": "sha256-/wwsv+cES5fm3auyKO7VP5DUZisgljpdpD9ZyTan/q4=",
+        "type": "file",
+        "url": "https://static.rust-lang.org/dist/channel-rust-1.80.0.toml"
+      },
+      "original": {
+        "type": "file",
+        "url": "https://static.rust-lang.org/dist/channel-rust-1.80.0.toml"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 00000000..adc81541
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,137 @@
+{
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    systems.url = "github:nix-systems/default";
+    flake-parts = {
+      url = "github:hercules-ci/flake-parts";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    crane = {
+      url = "github:ipetkov/crane";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    fenix = {
+      url = "github:nix-community/fenix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    rust-manifest = {
+      url = "https://static.rust-lang.org/dist/channel-rust-1.80.0.toml";
+      flake = false;
+    };
+  };
+
+  outputs = inputs @ {
+    flake-parts,
+    crane,
+    fenix,
+    rust-manifest,
+    ...
+  }:
+    flake-parts.lib.mkFlake {inherit inputs;} {
+      systems = import inputs.systems;
+
+      imports = [
+        inputs.flake-parts.flakeModules.easyOverlay
+      ];
+
+      perSystem = {
+        self',
+        pkgs,
+        lib,
+        system,
+        ...
+      }: let
+        cargoToml = lib.importTOML ./Cargo.toml;
+
+        pname = "hayagriva";
+        version = cargoToml.package.version;
+
+        # Fenix to manage rust-toolchain configuration
+        rust-toolchain = (fenix.packages.${system}.fromManifestFile rust-manifest).defaultToolchain;
+
+        # Crane-based Nix flake configuration.
+        # Based on https://github.com/ipetkov/crane/blob/master/examples/trunk-workspace/flake.nix
+        craneLib = (crane.mkLib pkgs).overrideToolchain rust-toolchain;
+
+        # Hayagriva files to include in the derivation.
+        # Adds it to the nix store
+        src = lib.fileset.toSource {
+          root = ./.;
+          fileset = lib.fileset.unions [
+            ./Cargo.toml
+            ./Cargo.lock
+            ./rustfmt.toml
+            ./archive
+            ./docs
+            ./styles
+            ./tests
+            ./src
+          ];
+        };
+
+        # Hayagriva derivation's args
+        commonCraneArgs = {
+          inherit src pname version;
+          nativeBuildInputs = [pkgs.git];
+        };
+
+        # Derivation with just the dependencies avoids rebuilding re-building them.
+        cargoArtifacts = craneLib.buildDepsOnly commonCraneArgs;
+        hayagriva = craneLib.buildPackage (commonCraneArgs
+          // {
+            inherit cargoArtifacts;
+
+            # Specify the feature
+            cargoExtraArgs = "--features cli --locked";
+
+            # Tests use git to pull dependencies during testPhase breaking sandboxing
+            # Otherwise impure evaluation is required
+            cargoTestExtraArgs = "--workspace -- --skip always_archive archiver";
+
+            meta.mainProgram = "hayagriva";
+          });
+      in {
+        formatter = pkgs.nixpkgs-fmt;
+
+        packages = {
+          default = hayagriva;
+          hayagriva-dev = self'.packages.default;
+        };
+
+        overlayAttrs = builtins.removeAttrs self'.packages ["default"];
+
+        apps.default = {
+          type = "app";
+          program = lib.getExe hayagriva;
+        };
+
+        checks = {
+          typst-fmt = craneLib.cargoFmt commonCraneArgs;
+          typst-clippy = craneLib.cargoClippy (commonCraneArgs
+            // {
+              inherit cargoArtifacts;
+              cargoClippyExtraArgs = "--workspace -- --deny warnings";
+            });
+          typst-test = craneLib.cargoTest (commonCraneArgs
+            // {
+              inherit cargoArtifacts;
+              # See note a tests during run time
+              cargoTestExtraArgs = "--workspace -- --skip always_archive archiver";
+            });
+        };
+
+        devShells.default = craneLib.devShell {
+          checks = self'.checks;
+          inputsFrom = [hayagriva];
+
+          packages = [
+            # A script for quickly running tests.
+            # See https://github.com/typst/typst/blob/main/tests/README.md#making-an-alias
+            (pkgs.writeShellScriptBin "testit" ''
+              cargo test -- "$@"
+            '')
+          ];
+        };
+      };
+    };
+}