win32: assign winstdout to sys.__stdout__ as well (
issue2888)
On Windows sys.stdout was being replaced with winstdout, which caused
util.system() to redirect its output (due to
406b6d7bdcb9). That causes
interactive tools (such as vim) to stop working.
hg debuginstall
$ hg debuginstall
Checking encoding (ascii)...
Checking installed modules (*/mercurial)... (glob)
Checking templates...
Checking commit editor...
Checking username...
No problems detected
hg debuginstall with no username
$ HGUSER= hg debuginstall
Checking encoding (ascii)...
Checking installed modules (*/mercurial)... (glob)
Checking templates...
Checking commit editor...
Checking username...
no username supplied (see "hg help config")
(specify a username in your configuration file)
1 problems detected, please check your install!
[1]