safehasattr: pass attribute name as string instead of bytes
This is a step toward replacing `util.safehasattr` usage with plain `hasattr`.
The builtin function behave poorly in Python2 but this was fixed in Python3.
These change are done one by one as they tend to have a small odd to trigger
puzzling breackage.
--- a/mercurial/subrepoutil.py Thu Feb 02 17:36:25 2023 +0100
+++ b/mercurial/subrepoutil.py Thu Feb 02 17:36:32 2023 +0100
@@ -384,7 +384,7 @@
Either absolute or relative the outermost repo"""
parent = repo
chunks = []
- while util.safehasattr(parent, b'_subparent'):
+ while util.safehasattr(parent, '_subparent'):
source = urlutil.url(parent._subsource)
chunks.append(bytes(source))
if source.isabs():