Publish tarballs and compilation results on push (#328)

* Publish tarballs and compilation results on push

* Don't execute publish step if CI was triggered by a PR

Author: hlxid

.github/workflows/ci.yml

@@ -19,6 +19,17 @@ jobs:
             - name: Build TS
               run: npm run build
 
+            - name: Create tar with compilation results
+              run: |
+                  shopt -s globstar
+                  tar cvzf compilation-results.tar.gz --exclude "node_modules" **/*.js **/*.js.map **/*.d.ts **/*.d.ts.map **/*.tsbuildinfo **/*.ttf
+
+            - name: Upload compilation results
+              uses: actions/upload-artifact@v2
+              with:
+                name: compilation-results
+                path: compilation-results.tar.gz
+
     tests:
         runs-on: ubuntu-latest
         steps:
@@ -35,3 +46,71 @@ jobs:
 
             - name: Run tests
               run: npm run coverage -- --verbose
+
+    publish:
+        runs-on: ubuntu-latest
+        name: Publish compilation results
+        # Don't run this in forks. This pushes to our separate repository that external contributors don't have access to.
+        # We also only want to publish if we have pushed a branch, not on a pull request. Otherwise we would publish everything twice.
+        if: startsWith(github.repository, 'codeoverflow-org') && github.actor != 'dependabot[bot]' && github.event_name != 'pull_request'
+        # Only publish anything if we're sure this version compiles (obviously) and all tests pass.
+        needs:
+        - build
+        - tests
+        steps:
+            - uses: actions/checkout@v2
+            - uses: actions/setup-node@v2
+              with:
+                node-version: "16"
+
+            - name: Download compilation results # From the build step
+              uses: actions/download-artifact@v2
+              with:
+                name: compilation-results
+
+            - name: Extract compilation results
+              run: tar xvf compilation-results.tar.gz
+
+            - name: Create npm tarballs
+              run: npm pack --workspaces
+
+            - name: Clone publish repository
+              uses: actions/checkout@v2
+              with:
+                  repository: codeoverflow-org/nodecg-io-publish
+                  ssh-key: ${{ secrets.PUBLISH_SSH_KEY }}
+                  path: publish
+
+            - name: Checkout branch in publish repository
+              working-directory: publish
+              # Create a local branch with the same name as in the nodecg-io repository
+              # If the branch already exists on the remote we set the upstream to it,
+              # if not we push the branch and set the upstream to it as well.
+              run: |
+                  git fetch
+                  git switch -c ${GITHUB_REF##refs/heads/}
+                  (git branch -u origin/${GITHUB_REF##refs/heads/} && git pull) || git push -u origin ${GITHUB_REF##refs/heads/}
+
+            - name: Clear publish directory
+              run: rm -rf publish/*
+
+            - name: Copy tarballs into publish directory
+              run: cp *.tgz publish
+
+            - name: Extract tarballs
+              working-directory: publish
+              run: |
+                  for tarPath in $(ls *.tgz); do
+                      tar xf $tarPath package;
+                      dirname=$(echo "$tarPath" | sed "s/-[0-9]\+\.[0-9]\+\.[0-9]\+\.tgz//"); # Strip away tgz extension and version
+                      mv package $dirname;
+                  done;
+
+            - name: Publish
+              uses: stefanzweifel/git-auto-commit-action@v4
+              with:
+                  commit_message: Publish codeoverflow-org/nodecg-io@${{ github.sha }}
+                  commit_user_name: codeoverflow-org
+                  commit_user_email: ""
+                  commit_author: codeoverflow-org <>
+                  repository: publish