[PATCH] churn: get current terminal width if possible
Christian Ebert
blacktrash at gmx.net
Thu Jul 19 11:40:49 CDT 2007
# HG changeset patch
# User Christian Ebert <blacktrash at gmx.net>
# Date 1184863191 -7200
# Node ID 9845b2fb12b990be40fddf96c214ba34afcf09f0
# Parent 382520bacc17886e0e2fe7fb798a0a5218cf9db1
churn: get current terminal width if possible
diff --git a/contrib/churn.py b/contrib/churn.py
--- a/contrib/churn.py
+++ b/contrib/churn.py
@@ -11,9 +11,31 @@
#
# <alias email> <actual email>
-import sys
from mercurial.i18n import gettext as _
from mercurial import hg, mdiff, cmdutil, ui, util, templater, node
+import os, sys
+
+def get_tty_width():
+ if 'COLUMNS' in os.environ:
+ return os.environ['COLUMNS']
+ try:
+ import termios, fcntl, struct
+ buf = 'abcd'
+ for dev in (sys.stdout, sys.stdin):
+ try:
+ if buf != 'abcd':
+ break
+ fd = dev.fileno()
+ if not os.isatty(fd):
+ continue
+ buf = fcntl.ioctl(fd, termios.TIOCGWINSZ, buf)
+ except ValueError:
+ pass
+ if buf != 'abcd':
+ return struct.unpack('hh', buf)[1]
+ except ImportError:
+ pass
+ return 80
def __gather(ui, repo, node1, node2):
def dirtywork(f, mmap1, mmap2):
@@ -159,8 +181,9 @@ def churn(ui, repo, **opts):
maximum = ordered[0][1]
- ui.note("Assuming 80 character terminal\n")
- width = 80 - 1
+ width = get_tty_width()
+ ui.note(_("assuming %i character terminal\n") % width)
+ width -= 1
for i in ordered:
person = i[0]
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