Use nix in github actions

.github/workflows/ci.yml

@@ -6,37 +6,23 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v25
+      - uses: cachix/install-nix-action@v26
       - run: nix build
   ci-matrix:
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
-      matrix:
-        java: [ '[email protected]' ]
     steps:
       - uses: actions/[email protected]
         with:
           fetch-depth: 100
-      - uses: jorelali/setup-elm@v5
-        with:
-          elm-version: 0.19.1
-      - uses: bahmutov/npm-install@v1
-        with:
-          working-directory: modules/webapp
-      - uses: cachix/install-nix-action@v25
-      - name: Install tailwindcss cli
-        run: |
-          nix profile install nixpkgs#tailwindcss
+      - uses: cachix/install-nix-action@v26
       - name: Fetch tags
         run: git fetch --depth=100 origin +refs/tags/*:refs/tags/*
-      - uses: olafurpg/setup-scala@v14
-        with:
-          java-version: ${{ matrix.java }}
       - name: Coursier cache
         uses: coursier/cache-action@v6
       - name: sbt ci ${{ github.ref }}
-        run: sbt ci
+        run: nix develop .#ci --command sbt ci
   ci:
     runs-on: ubuntu-22.04
     needs: [ci-matrix]

.github/workflows/release-nightly.yml

@@ -8,33 +8,19 @@ jobs:
     runs-on: ubuntu-22.04
     strategy:
       fail-fast: true
-      matrix:
-        java: [ '[email protected]' ]
     steps:
       - uses: actions/[email protected]
         with:
           fetch-depth: 0
-      - uses: olafurpg/setup-scala@v14
-        with:
-          java-version: ${{ matrix.java }}
-      - uses: jorelali/setup-elm@v5
-        with:
-          elm-version: 0.19.1
-      - uses: bahmutov/npm-install@v1
-        with:
-          working-directory: modules/webapp
-      - uses: cachix/install-nix-action@v25
-      - name: Install tailwindcss cli
-        run: |
-          nix profile install nixpkgs#tailwindcss
+      - uses: cachix/install-nix-action@v26
       - name: Coursier cache
         uses: coursier/cache-action@v6
       - name: Set current version
         run:  echo "SHARRY_VERSION=$(cat version.sbt | grep version | cut -d= -f2 | xargs)" >> $GITHUB_ENV
       - name: sbt ci ${{ github.ref }}
-        run: sbt ci
+        run: nix develop .#ci --command sbt ci
       - name: sbt make-pkg (${{ env.SHARRY_VERSION }})
-        run: sbt make-pkg
+        run: nix develop .#ci --command sbt make-pkg
       - uses: "marvinpinto/action-automatic-releases@latest"
         with:
           repo_token: "${{ secrets.GITHUB_TOKEN }}"

.github/workflows/release.yml

@@ -8,27 +8,16 @@ jobs:
     runs-on: ubuntu-22.04
     strategy:
       fail-fast: true
-      matrix:
-        java: [ '[email protected]' ]
     steps:
       - uses: actions/[email protected]
         with:
           fetch-depth: 0
-      - uses: olafurpg/setup-scala@v14
-        with:
-          java-version: ${{ matrix.java }}
-      - uses: jorelali/setup-elm@v5
-        with:
-          elm-version: 0.19.1
-      - uses: bahmutov/npm-install@v1
-        with:
-          working-directory: modules/webapp
       - name: Coursier cache
         uses: coursier/cache-action@v6
       - name: Set current version
         run:  echo "SHARRY_VERSION=$(cat version.sbt | grep version | cut -d= -f2 | xargs)" >> $GITHUB_ENV
       - name: sbt make-pkg (${{ env.SHARRY_VERSION }})
-        run: sbt make-pkg
+        run: nix develop .#ci --command sbt make-pkg
       - uses: meeDamian/[email protected]
         with:
           token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/website.yml

@@ -12,13 +12,9 @@ jobs:
           fetch-depth: 0
       - name: Set current version
         run:  echo "SHARRY_VERSION=$(cat version.sbt | grep version | cut -d= -f2 | xargs)" >> $GITHUB_ENV
-      - uses: cachix/install-nix-action@6004951b182f8860210c8d6f0d808ec5b1a33d28 # v25
-        with:
-          nix_path: nixpkgs=channel:nixos-21.05
-      - name: Print nixpkgs version
-        run: nix-instantiate --eval -E '(import <nixpkgs> {}).lib.version'
+      - uses: cachix/install-nix-action@26
       - name: Build website (${{ env.SHARRY_VERSION }})
-        run: nix-shell project/microsite.nix --run "sbt microsite/makeMicrosite"
+        run: nix develop .#ci --command sbt microsite/makeMicrosite
       - name: Publish website (${{ env.SHARRY_VERSION }})
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

flake.nix

@@ -93,6 +93,10 @@
           SHARRY_BACKEND_MAIL_SMTP_PASSWORD = "admin";
           SHARRY_BACKEND_MAIL_SMTP_SSL__TYPE = "none";
         };
+        ci = pkgs.mkShellNoCC {
+          buildInputs = ciPkgs;
+          SBT_OPTS = "-Xmx2G -Xss4m";
+        };
       };
     })
     // {