refactor the pkg-pr piece into its own action

Author: 45930

.github/actions/build/action.yml

@@ -1,9 +1,6 @@
 name: Build o1js
 description: 'All of the building steps for o1js'
 
-permissions:
-  contents: write
-
 inputs:
   proof_systems_commit:
     description: 'proof_systems commit to use'

.github/actions/release-pkg-pr-version/action.yml

@@ -0,0 +1,30 @@
+name: Release pkg-pr version
+description: Release a new version of o1js and mina-signer using pkg-pr-new
+
+runs:
+  using: "composite"
+  steps:
+    - uses: actions/checkout@v4
+    - name: Restore repository
+      uses: actions/cache@v4
+      with:
+        path: .
+        key: repo-${{ github.sha }}
+    - name: Setup Node.JS 20
+      uses: actions/setup-node@v4
+      with:
+        node-version: 20
+    - name: build
+      uses: ./.github/actions/build
+    - name: Build o1js and mina-signer
+      shell: bash
+      run: |
+        npm ci
+        npm run prepublishOnly
+        cd src/mina-signer
+        npm ci
+        npm run prepublishOnly
+    - name: Publish o1js and mina-signer on pkg-pr-new
+      shell: bash
+      run: npx pkg-pr-new publish ./ ./src/mina-signer
+

.github/workflows/pkg_pr_release.yml

@@ -13,6 +13,14 @@ jobs:
         with:
           changelog: CHANGELOG.md
 
+  Pkg-pr-new:
+    # Only run this job when the pull request contains the pkg‑pr‑release label.
+    if: github.event_name == 'pull_request' && contains(github.event.pull_request.labels.*.name, 'pkg-pr-release')
+    runs-on: ubuntu-latest
+    steps:
+      - name: release-pkg-pr-version
+        uses: ./.github/actions/release-pkg-pr-version
+
   Check-npm-deps:
     name: Check npmDepsHash is correct
     runs-on: ubuntu-latest

.github/workflows/pull_requests.yml

@@ -72,42 +72,10 @@ jobs:
 
 
   Pkg-pr-new:
-    strategy:
-      matrix:
-        node: [20]
-
     runs-on: [ubuntu-latest]
     steps:
-      - uses: actions/checkout@v4
-      - name: Restore repository
-        uses: actions/cache@v4
-        with:
-          path: .
-          key: repo-${{ github.sha }}
-      - name: Setup Node.JS ${{ matrix.node }}
-        uses: actions/setup-node@v4
-        with:
-          node-version: ${{ matrix.node }}
-      - name: build
-        uses: ./.github/actions/build
-      - name: Build o1js and mina-signer
-        run: |
-          npm run prepublishOnly
-          cd src/mina-signer
-          npm ci
-          npm run prepublishOnly
-      - name: Publish o1js and mina-signer on pkg-pr-new
-        run: npx pkg-pr-new publish ./ ./src/mina-signer # Enable `--compact` once published to NPM with `repository` in package.json
-
-        # TODO is this redundant with the last step?
-      - name: Publish to NPM if version has changed
-        uses: JS-DevTools/npm-publish@v3
-        with:
-          token: ${{ secrets.NPM_TOKEN }}
-          package: './src/mina-signer/package.json'
-          strategy: upgrade
-        env:
-          INPUT_TOKEN: ${{ secrets.NPM_TOKEN }}
+      - name: release-pkg-pr-version
+        uses: ./.github/actions/release-pkg-pr-version
 
   Release-on-NPM:
     if: github.ref == 'refs/heads/main'