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/dispatch.py Thu Feb 02 17:24:05 2023 +0100
+++ b/mercurial/dispatch.py Thu Feb 02 17:24:16 2023 +0100
@@ -1024,7 +1024,7 @@
cmd = aliases[0]
fn = entry[0]
- if cmd and util.safehasattr(fn, b'shell'):
+ if cmd and util.safehasattr(fn, 'shell'):
# shell alias shouldn't receive early options which are consumed by hg
_earlyopts, args = _earlysplitopts(args)
d = lambda: fn(ui, *args[1:])