Restore simpler Bencher setup - run on `main` only (#6220)

.github/workflows/bencher.yml

@@ -3,8 +3,7 @@ name: "Bencher: Run Benchmarks"
 on:
   push:
     branches: main
-  pull_request:
-    types: [opened, reopened, edited, synchronize]
+  workflow_dispatch:
 
 jobs:
   run_benchmarks:
@@ -30,14 +29,14 @@ jobs:
           ./tests.sh -VV -R historical_query
           ./tests.sh -VV -R commit_latency
 
-      - name: Upload Benchmark Results
-        uses: actions/upload-artifact@v4
-        with:
-          name: BenchmarkResults
-          path: ./build/bencher.json
-
-      - name: Upload GitHub Pull Request Event
-        uses: actions/upload-artifact@v4
-        with:
-          name: event.json
-          path: ${{ github.event_path }}
+      - uses: bencherdev/bencher@main
+      - name: Track base branch benchmarks with Bencher
+        run: |
+          bencher run \
+          --project ccf \
+          --token '${{ secrets.BENCHER_API_TOKEN }}' \
+          --branch main \
+          --testbed gha-virtual-ccf-sub \
+          --adapter json \
+          --err \
+          --file build/bencher.json

.github/workflows/bencher_process.yml

@@ -1,104 +0,0 @@
-name: "Bencher: Process Benchmarks"
-
-on:
-  workflow_run:
-    workflows: ["Bencher: Run Benchmarks"]
-    types: [completed]
-
-jobs:
-  process_benchmarks:
-    name: Process benchmarks
-    permissions:
-      pull-requests: write
-    if: github.event.workflow_run.conclusion == 'success'
-    runs-on: ubuntu-latest
-    env:
-      BENCHMARK_RESULTS_ARTIFACT: BenchmarkResults
-      BENCHMARK_RESULTS_FILE: bencher.json
-      PR_EVENT: event.json
-
-    steps:
-      - name: Download Benchmark Results
-        uses: actions/github-script@v7
-        with:
-          script: |
-            async function downloadArtifact(artifactName) {
-              let allArtifacts = await github.rest.actions.listWorkflowRunArtifacts({
-                owner: context.repo.owner,
-                repo: context.repo.repo,
-                run_id: context.payload.workflow_run.id,
-              });
-              let matchArtifact = allArtifacts.data.artifacts.filter((artifact) => {
-                return artifact.name == artifactName
-              })[0];
-              if (!matchArtifact) {
-                core.setFailed(`Failed to find artifact: ${artifactName}`);
-              }
-              let download = await github.rest.actions.downloadArtifact({
-                owner: context.repo.owner,
-                repo: context.repo.repo,
-                artifact_id: matchArtifact.id,
-                archive_format: 'zip',
-              });
-              let fs = require('fs');
-              fs.writeFileSync(`${process.env.GITHUB_WORKSPACE}/${artifactName}.zip`, Buffer.from(download.data));
-            }
-            await downloadArtifact(process.env.BENCHMARK_RESULTS_ARTIFACT);
-            await downloadArtifact(process.env.PR_EVENT);
-
-      - name: Unzip Benchmark Results
-        run: |
-          unzip $BENCHMARK_RESULTS_ARTIFACT.zip
-          unzip $PR_EVENT.zip
-
-      - name: Export PR Event Data
-        id: export
-        uses: actions/github-script@v7
-        with:
-          script: |
-            let fs = require('fs');
-            let prEvent = JSON.parse(fs.readFileSync(process.env.PR_EVENT, {encoding: 'utf8'}));
-            if (prEvent.pull_request === undefined) {
-              core.setOutput("is_pr", false);
-              core.exportVariable("MAIN_HEAD_SHA", prEvent.after);
-            } else {
-              core.setOutput("is_pr", true);
-              core.exportVariable("PR_HEAD", `${prEvent.number}/merge`);
-              core.exportVariable("PR_BASE", prEvent.pull_request.base.ref);
-              core.exportVariable("PR_BASE_SHA", prEvent.pull_request.base.sha);
-              core.exportVariable("PR_HEAD_SHA", prEvent.pull_request.head.sha);
-              core.exportVariable("PR_NUMBER", prEvent.number);
-            }
-
-      - uses: bencherdev/bencher@main
-
-      - name: Track Benchmarks with Bencher
-        run: |
-          if [[ ${{ steps.export.outputs.is_pr }} == "true" ]];
-          then
-            echo "Uploading PR benchmark results";
-            bencher run \
-            --project ccf \
-            --token '${{ secrets.BENCHER_API_TOKEN }}' \
-            --branch '${{ env.PR_HEAD }}' \
-            --branch-start-point '${{ env.PR_BASE }}' \
-            --branch-start-point-hash '${{ env.PR_BASE_SHA }}' \
-            --testbed gha-virtual-ccf-sub \
-            --adapter json \
-            --err \
-            --github-actions '${{ secrets.GITHUB_TOKEN }}' \
-            --ci-number '${{ env.PR_NUMBER }}' \
-            --hash '${{ env.PR_HEAD_SHA }}' \
-            --file "$BENCHMARK_RESULTS_FILE";
-          else
-            echo "Uploading main benchmark results";
-            bencher run \
-            --project ccf \
-            --token '${{ secrets.BENCHER_API_TOKEN }}' \
-            --branch main \
-            --testbed gha-virtual-ccf-sub \
-            --adapter json \
-            --err \
-            --hash '${{ env.MAIN_HEAD_SHA }}' \
-            --file "$BENCHMARK_RESULTS_FILE";
-          fi