[IMP] merge: publish wheels also in nobump mode

This exception was probably done with the goal of saving space,
but for migration PRs where people use ocabot merge nobump,
we want to publish too.

newsfragments/123.feature

@@ -0,0 +1,3 @@
+Publish wheels also in nobump mode. This exception was probably done with the
+goal of saving space, but for migration PRs where people use ``ocabot merge
+nobump``, we want to publish too.

src/oca_github_bot/tasks/merge_bot.py

@@ -141,7 +141,10 @@ def _merge_bot_merge_pr(org, repo, merge_bot_branch, cwd, dry_run=False):
         d for d in modified_addon_dirs if is_addon_dir(d, installable_only=True)
     ]
 
-    # update HISTORY.rst using towncrier, before generating README.rst
+    # Update HISTORY.rst using towncrier, before generating README.rst.
+    # We don't do this if nobump is specified, because updating the changelog
+    # is something we only do when "releasing", and patch|minor|major is
+    # the way to mean "release" in OCA.
     if bumpversion_mode != "nobump":
         _merge_bot_towncrier(
             org,
@@ -165,7 +168,7 @@ def _merge_bot_merge_pr(org, repo, merge_bot_branch, cwd, dry_run=False):
             # so setuptools-odoo generates a round version number
             # (without .dev suffix).
             bump_manifest_version(addon_dir, bumpversion_mode, git_commit=True)
-            build_and_check_wheel(addon_dir)
+        build_and_check_wheel(addon_dir)
     if dry_run:
         _logger.info(f"DRY-RUN git push in {org}/{repo}@{target_branch}")
     else:
@@ -174,11 +177,7 @@ def _merge_bot_merge_pr(org, repo, merge_bot_branch, cwd, dry_run=False):
             ["git", "push", "origin", f"{merge_bot_branch}:{target_branch}"], cwd=cwd
         )
     # build and publish wheel
-    if (
-        bumpversion_mode != "nobump"
-        and modified_installable_addon_dirs
-        and SIMPLE_INDEX_ROOT
-    ):
+    if modified_installable_addon_dirs and SIMPLE_INDEX_ROOT:
         for addon_dir in modified_installable_addon_dirs:
             build_and_publish_wheel(addon_dir, SIMPLE_INDEX_ROOT, dry_run)
     # TODO wlc unlock modified_addons