Merge pull request #841 from akaihola/fix-nixos-build

Fix NixOS build

Author: akaihola

.github/workflows/python-package.yml

@@ -63,7 +63,7 @@ jobs:
       - build-wheel
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v22
+      - uses: cachix/install-nix-action@v31
         with:
           nix_path: nixpkgs=channel:nixos-unstable
       - name: Download wheel uploaded by the build-wheel job
@@ -73,13 +73,13 @@ jobs:
           nix-shell \
             --pure \
             --run '
-              python -m venv venv
-              source venv/bin/activate
               cert_file=/nix/var/nix/profiles/default/etc/ssl/certs/ca-bundle.crt
               export NIX_SSL_CERT_FILE=$cert_file
-              pip install "${{needs.build-wheel.outputs.wheel-path}}[dev]"
+              uv venv
+              uv pip install --group=dev "${{needs.build-wheel.outputs.wheel-path}}"
+              uv export --only-group=dev | uv pip install --requirements=-
               # Run tests in installed package to avoid plugin import issue:
-              pytest $(python -c "
+              PY_IGNORE_IMPORTMISMATCH=1 uv run pytest $(python -c "
           import os, darker
           print(os.path.dirname(darker.__file__))
               ")

CHANGES.rst

@@ -64,6 +64,7 @@ Internal
 - Switch from old defunct Bandit action to ``brunohaf/action-bandit``.
 - Format YAML files to satisfy yaml-lint and fix workflow syntax.
 - Use UV across all CI workflow actions, and enable caching of packages.
+- Update Nix action to v31 – fixes the build error.
 
 
 2.1.1_ - 2024-04-16

default.nix

@@ -2,7 +2,7 @@
 (
   pkgs.stdenv.mkDerivation {
     name = "darker-test";
-    buildInputs = [ pkgs.python311 pkgs.git ];
+    buildInputs = [ pkgs.python311 pkgs.git pkgs.uv ];
     shellHook = ''
       export PY_IGNORE_IMPORTMISMATCH=1
     '';

pyproject.toml

@@ -43,13 +43,13 @@ ruff = [
     "ruff>=0.0.292",
 ]
 release = [
-    "darkgray-dev-tools~=0.2.0",
+    "darkgray-dev-tools~=0.3.0",
 ]
 
 [dependency-groups]
 dev = [
     "black>=22.3.0",
-    "darkgray-dev-tools~=0.1.1",
+    "darkgray-dev-tools~=0.3.0",
     "defusedxml>=0.7.1",
     "flynt>=0.76",
     "isort>=5.0.1",