Use nix for elm publish

.github/workflows/publish.yml

@@ -12,34 +12,21 @@ jobs:
   test-and-publish:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-
       - run: git config --global user.name "Andrey Kuzmin"
-      - run: git config --global user.email "[email protected]"
-
-      - uses: actions/setup-node@v1
-        with:
-          node-version: "12"
+      - run: git config --global user.email "[email protected]"
 
-      - uses: actions/cache@v2
+      - uses: actions/checkout@v3
+      - uses: cachix/install-nix-action@v22
         with:
-          path: |
-            ~/.npm
-            ~/.elm
-          key: ${{ runner.os }}-cache
-
-      - run: npm install -g [email protected] [email protected] [email protected] [email protected]
-
-      - run: elm-format --validate .
-
-      - run: elm-review
-
-      - run: elm-test
+          github_access_token: ${{ secrets.GITHUB_TOKEN }}
+      - run: nix develop --command elm-format --validate .
+      - run: nix develop --command elm-review
+      - run: nix develop --command elm-test
 
-      - run: ./scripts/elm-publish.sh ${{ github.event.inputs.version }}
+      - run: nix develop --command ./scripts/elm-publish.sh ${{ github.event.inputs.version }}
 
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           path: gh-pages
           ref: gh-pages
-      - run: ./scripts/gh-pages.sh ${{ github.event.inputs.version }}
+      - run: nix develop --command ./scripts/gh-pages.sh ${{ github.event.inputs.version }}

scripts/elm-publish.sh

@@ -26,7 +26,7 @@ git commit -m "Bump to $version"
 git push
 last_commit=$(git rev-parse HEAD)
 
-git rm -rf --ignore-unmatch .github benchmarks examples scripts tests elm-physics.gif flake.nix
+git rm -rf --ignore-unmatch .github benchmarks examples scripts tests elm-physics.gif flake.nix flake.lock
 sed -i.bak "s+https://unsoundscapes.com/elm-physics/+https://unsoundscapes.com/elm-physics/$version/+g" README.md
 sed -i.bak "s+https://github.com/w0rm/elm-physics/tree/main/+https://github.com/w0rm/elm-physics/tree/$last_commit/+g" README.md
 rm README.md.bak