Add better support for pyproject.toml pixi projects

.gitattributes

@@ -1 +1,3 @@
 dist/** -diff linguist-generated=true
+pixi.lock linguist-language=YAML
+

.github/workflows/build.yml

@@ -45,7 +45,7 @@ jobs:
         run: |
           set -euo pipefail
           latest_version="$(jq -r '.version' package.json)"
-          count_expected=12
+          count_expected=13
           count_actual="$(grep -c "setup-pixi@v$latest_version" README.md || true)"
           if [ "$count_actual" -ne "$count_expected" ]; then
             echo "::error file=README.md::Expected $count_expected mentions of \`setup-pixi@v$latest_version\` in README.md, but found $count_actual."

.github/workflows/test.yml

@@ -574,6 +574,16 @@ jobs:
           cache-key: test-cache-${{ github.sha }}-${{ github.run_attempt }}-
       # check the action logs to see if the cache write was skipped
 
+  pyproject:
+      timeout-minutes: 10
+      runs-on: ubuntu-latest
+      steps:
+        - uses: actions/checkout@v4
+        - name: Move pixi files
+          run: mv test/pyproject-manifest/* .
+        - uses: ./
+          run: pixi run test
+
   custom-pyproject-manifest-path:
     strategy:
       matrix:

.gitignore

@@ -97,3 +97,11 @@ Thumbs.db
 # Ignore built ts files
 __tests__/runner/*
 lib/**/*
+
+# Ignore jetbrains files
+.idea
+
+# Ignore pixi environments
+.pixi
+*.egg-info
+

README.md

@@ -25,7 +25,7 @@ GitHub Action to set up the [pixi](https://github.com/prefix-dev/pixi) package m
 ```yml
 - uses: prefix-dev/[email protected]
   with:
-    pixi-version: v0.18.0
+    pixi-version: v0.19.1
     cache: true
     auth-host: prefix.dev
     auth-token: ${{ secrets.PREFIX_DEV_TOKEN }}
@@ -304,13 +304,23 @@ On self-hosted runners, you also might want to alter the default pixi install lo
     pixi-bin-path: ${{ runner.temp }}/bin/pixi
 ```
 
+### Using the `pyproject.toml` as a manifest file for pixi.
+`setup-pixi` wil automatically pick up the `pyproject.toml` if it contains a `[tool.pixi.project]` section and no `pixi.toml`.
+This can be overwritten by setting the `manifest-file` input argument.
+
+```yml
+- uses: prefix-dev/[email protected]
+  with:
+    manifest-path: pyproject.toml
+```
+
 ## More examples
 
 If you want to see more examples, you can take a look at the [GitHub Workflows of this repository](.github/workflows/test.yml).
 
 ## Local Development
 
 1. Clone this repository.
-1. Run `pnpm install` inside the repository (if you don't have [`pnpm`](https://github.com/pnpm/pnpm) installed, you can install it with `npm install -g pnpm` or `brew install pnpm`).
-1. Run `pnpm dev` for live transpilation of the TypeScript source code.
-1. To test the action, you can run [`act`](https://github.com/nektos/act) (inside docker) or use :sparkles: CI driven development :sparkles:.
+2. Run `pixi run install` inside the repository to install the dependencies.
+3. Run `pixi run dev` for live transpilation of the TypeScript source code.
+4. To test the action, you can run [`act`](https://github.com/nektos/act) (inside docker) or use :sparkles: CI driven development :sparkles:.

package.json

@@ -26,6 +26,7 @@
     "@actions/exec": "^1.1.1",
     "@actions/io": "^1.1.3",
     "@actions/tool-cache": "^2.0.1",
+    "toml": "^3.0.0",
     "untildify": "^5.0.0",
     "zod": "^3.22.4"
   },