view contrib/showstack.py @ 29387:6b77adc2c7b5

hgweb: highlight data of the current revision in annotate view

* Distinguish the /annotate/<revision>/<file>#<linenumber> link when it would
  lead to the current page (i.e. <revision> is the current revision) (style it
  gray and undecorated). This indicates more clearly that this is a "dead-end"
  in blame navigation.

* Display lines changed in current revision in green.

# showstack.py - extension to dump a Python stack trace on signal
#
# binds to both SIGQUIT (Ctrl-\) and SIGINFO (Ctrl-T on BSDs)

from __future__ import absolute_import
import signal
import sys
import traceback

def sigshow(*args):
    sys.stderr.write("\n")
    traceback.print_stack(args[1], limit=10, file=sys.stderr)
    sys.stderr.write("----\n")

def extsetup(ui):
    signal.signal(signal.SIGQUIT, sigshow)
    try:
        signal.signal(signal.SIGINFO, sigshow)
    except AttributeError:
        pass