tangle

commit 3d604fc1db58bd0e46936c68e78f9b5b6d172ec5
parent e646fd7e94b824476ece4211611853f703065d08
Author: triesap <tyson@radroots.org>
Date:   Fri,  5 Jun 2026 19:50:35 -0700

nix: add tangle development shell

Diffstat:
A
flake.lock
 | 
27
+++++++++++++++++++++++++++
A
flake.nix
 | 
82
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

2 files changed, 109 insertions(+), 0 deletions(-)
diff --git a/flake.lock b/flake.lock
@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1780243769,
+        "narHash": "sha256-x5UQuRsH3MqI0U9afaXSNqzTPSeZlRLvFAav2Ux1pNw=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "331800de5053fcebacf6813adb5db9c9dca22a0c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
@@ -0,0 +1,82 @@
+{
+  description = "tangle development shell";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+  };
+
+  outputs =
+    { self, nixpkgs }:
+    let
+      systems = [
+        "aarch64-darwin"
+        "aarch64-linux"
+        "x86_64-darwin"
+        "x86_64-linux"
+      ];
+      forAllSystems = nixpkgs.lib.genAttrs systems;
+      mkPkgs = system: import nixpkgs { inherit system; };
+      mkScript =
+        pkgs: name: text:
+        pkgs.writeShellApplication {
+          inherit name text;
+          runtimeInputs = [
+            pkgs.cargo-nextest
+            pkgs.cargo-llvm-cov
+            pkgs.llvmPackages.llvm
+          ];
+        };
+    in
+    {
+      devShells = forAllSystems (
+        system:
+        let
+          pkgs = mkPkgs system;
+        in
+        {
+          default = pkgs.mkShell {
+            packages = [
+              pkgs.cargo-nextest
+              pkgs.cargo-llvm-cov
+              pkgs.llvmPackages.llvm
+            ];
+          };
+        }
+      );
+
+      apps = forAllSystems (
+        system:
+        let
+          pkgs = mkPkgs system;
+          check = mkScript pkgs "tangle-check" ''
+            scripts/check.sh
+          '';
+          test = mkScript pkgs "tangle-test" ''
+            scripts/test.sh
+            cargo nextest run --workspace
+          '';
+          coverage = mkScript pkgs "tangle-coverage" ''
+            LLVM_COV="$(command -v llvm-cov)"
+            LLVM_PROFDATA="$(command -v llvm-profdata)"
+            export LLVM_COV
+            export LLVM_PROFDATA
+            scripts/coverage.sh
+          '';
+        in
+        {
+          check = {
+            type = "app";
+            program = "${check}/bin/tangle-check";
+          };
+          test = {
+            type = "app";
+            program = "${test}/bin/tangle-test";
+          };
+          coverage = {
+            type = "app";
+            program = "${coverage}/bin/tangle-coverage";
+          };
+        }
+      );
+    };
+}