Run CI on all main/postsubmit commits.

Prior to this, the concurrency rules for presubmits (which cancel eagerly) were being applied to main. The result was that landing a second patch would cancel the CI on the one prior.

Author: stellaraccident

.github/workflows/bazelBuildAndTest.yml

@@ -11,7 +11,11 @@ on:
 # any in-progress jobs in the same github workflow and github
 # ref (e.g. refs/heads/main or refs/pull/<pr_number>/merge).
 concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
+  # A PR number if a pull request and otherwise the commit hash. This cancels
+  # queued and in-progress runs for the same PR (presubmit) or commit
+  # (postsubmit). The workflow name is prepended to avoid conflicts between
+  # different workflows.
+  group: ${{ github.workflow }}-${{ github.event.number || github.sha }}
   cancel-in-progress: true
 
 

.github/workflows/buildAndTest.yml

@@ -12,7 +12,11 @@ on:
 # any in-progress jobs in the same github workflow and github
 # ref (e.g. refs/heads/main or refs/pull/<pr_number>/merge).
 concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
+  # A PR number if a pull request and otherwise the commit hash. This cancels
+  # queued and in-progress runs for the same PR (presubmit) or commit
+  # (postsubmit). The workflow name is prepended to avoid conflicts between
+  # different workflows.
+  group: ${{ github.workflow }}-${{ github.event.number || github.sha }}
   cancel-in-progress: true