Put .node-version and sync with nixpkgs (#496)

* Sync .node-version with nixpkgs

* Put .node-version

Author: kachick

.github/workflows/ci-elm.yml

@@ -25,7 +25,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: '20.12.2' # selfup {"extract":"\\d[^']+","replacer":["bash","-c","node --version | tr -d v"]}
+          node-version-file: '.node-version'
           cache: npm
       - name: Install npm dependencies
         run: npm ci --ignore-scripts
@@ -40,7 +40,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: '20.12.2' # selfup {"extract":"\\d[^']+","replacer":["bash","-c","node --version | tr -d v"]}
+          node-version-file: '.node-version'
           cache: npm
       - name: Install npm dependencies
         run: npm ci --ignore-scripts

.github/workflows/ci-js.yml

@@ -25,7 +25,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: '20.12.2' # selfup {"extract":"\\d[^']+","replacer":["bash","-c","node --version | tr -d v"]}
+          node-version-file: '.node-version'
           cache: npm
       - name: Install npm dependencies
         run: npm ci --ignore-scripts
@@ -47,7 +47,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: '20.12.2' # selfup {"extract":"\\d[^']+","replacer":["bash","-c","node --version | tr -d v"]}
+          node-version-file: '.node-version'
           cache: npm
       - name: Install npm dependencies
         run: npm ci --ignore-scripts

.github/workflows/firebase-hosting-merge.yml

@@ -25,7 +25,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: '20.12.2' # selfup {"extract":"\\d[^']+","replacer":["bash","-c","node --version | tr -d v"]}
+          node-version-file: '.node-version'
           cache: npm
       - name: Install npm dependencies
         run: npm ci --ignore-scripts

.github/workflows/firebase-hosting-pull-request.yml

@@ -23,7 +23,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: '20.12.2' # selfup {"extract":"\\d[^']+","replacer":["bash","-c","node --version | tr -d v"]}
+          node-version-file: '.node-version'
           cache: npm
       - name: Install npm dependencies
         run: npm ci --ignore-scripts

.github/workflows/update-flake-lock-and-ci.yml

@@ -15,6 +15,8 @@ jobs:
     with:
       dry-run: ${{ github.event_name == 'pull_request' }}
       pr-title: 'Bump flake.lock and related dependencies'
+      optional-run: |
+        nix run .#bump-nix-dependencies
     secrets:
       APP_ID: ${{ secrets.DEPENDENCY_APP_ID }}
       APP_PRIVATE_KEY: ${{ secrets.DEPENDENCY_APP_PRIVATE_KEY }}

.node-version

@@ -0,0 +1 @@
+20.12.2

flake.nix

@@ -30,6 +30,27 @@
               typos
             ];
           };
+
+        apps = {
+          bump-nix-dependencies = {
+            type = "app";
+            program = with pkgs; lib.getExe (writeShellApplication {
+              name = "bump-nix-dependencies.bash";
+              runtimeInputs = [ nix git nodejs_20 sd ];
+              # Why --really-refresh?: https://stackoverflow.com/q/34807971
+              text = ''
+                set -x
+
+                node --version | sd '^v?' "" > .node-version && git add .node-version
+                git update-index -q --really-refresh
+                git diff-index --quiet HEAD || git commit -m 'Sync .node-version with nixpkgs' .node-version
+              '';
+              meta = {
+                description = "Bump dependency versions except managed by node package manager";
+              };
+            });
+          };
+        };
       }
     );
 }