# HG changeset patch
# User Kostia Balytskyi <[email protected]>
# Date 1501964349 25200
# Sat Aug 05 13:19:09 2017 -0700
# Node ID 6065399003c83344df50209068ea85d82b3382d7
# Parent 609606d217659e0a6c1cf6f907b6512be5340e57
interactive: make sure buffer is flushed before waiting for user input
Without this patch on Windows 'hg ci -i' hangs waiting for user input
and "examine changes to 'file'? [Ynesfdaq?]" is never displayed (at least
if the diff is sufficiently small). When Ctrl+C is pressed, this prompt
becomes visible, which suggests that the buffer just wasn't flushed.
I've never seen this happening on Linux, but this looks harmless enought
to not platform-gate it.
diff --git a/mercurial/ui.py b/mercurial/ui.py
--- a/mercurial/ui.py
+++ b/mercurial/ui.py
@@ -1218,6 +1218,7 @@ class ui(object):
sys.stdout = self.fout
# prompt ' ' must exist; otherwise readline may delete entire line
# - http://bugs.python.org/issue12833
+ self.flush()
with self.timeblockedsection('stdio'):
line = raw_input(' ')
sys.stdin = oldin
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