Merge pull request #2250 from tweag/cb/fix-bazel-head-workspace

Explicitly enable workspace mode on Bazel CI

Author: mergify[bot]

.bazelci/presubmit.yml

@@ -15,6 +15,13 @@ tasks:
       LANG: "C.UTF-8"
     shell_commands:
       - "sudo apt -y update && sudo apt -y install libgmp-dev"
+      # TODO(cb) remove once fully migrated to bzlmod
+      - |
+        echo ${USE_BAZEL_VERSION}
+        if [ $(echo ${USE_BAZEL_VERSION} | cut -d. -f1) != 6 ]; then
+          echo '(enabling workspace mode)' >&2
+          echo 'common --enable_workspace' > .bazelrc.local
+        fi
     build_flags:
       - "--config=ci-common"
       - "--config=linux-bindist"