[RFC v3 15/32] scripts/qapi: strip trailing whitespaces

[marcandre . lureau]

From: Marc-André Lureau <marcandre.lureau@redhat.com>

This help workaround a rustfmt issue.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
---
 scripts/qapi/gen.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/scripts/qapi/gen.py b/scripts/qapi/gen.py
index ab26d5c937..fa23f43808 100644
--- a/scripts/qapi/gen.py
+++ b/scripts/qapi/gen.py
@@ -50,7 +50,11 @@ def add(self, text: str) -> None:
         self._body += text
 
     def get_content(self) -> str:
-        return self._top() + self._preamble + self._body + self._bottom()
+        content = self._top() + self._preamble + self._body + self._bottom()
+        # delete trailing white-spaces (working around
+        # https://github.com/rust-lang/rustfmt/issues/4248)
+        content = re.sub(r'\s+$', '\n', content, 0, re.M)
+        return content
 
     def _top(self) -> str:
         # pylint: disable=no-self-use
-- 
2.33.0.113.g6c40894d24