upstream/mercurial-mirror Files · mercurial/node.py

Speed up hg grep by avoiding useless manifest parsing...

Speed up hg grep by avoiding useless manifest parsing In the kernel repo (tip = 2b89f7111b96), a "hg grep mpm MAINTAINERS" goes from ~165s to 0.7s. This could get even a bit faster if we broke out of the loop after the first match, but I'm not sure how that would interact with the --follow code. This is obviously an extreme example, but other cases should also benefit from this patch.

Matt Mackall - - Load All Authors

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      """

      node.py - basic nodeid manipulation for mercurial

      Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>

      This software may be used and distributed according to the terms

      of the GNU General Public License, incorporated herein by reference.

      """

      import binascii

      nullrev = -1

      nullid = "\0" * 20

      # This ugly style has a noticeable effect in manifest parsing

      hex = binascii.hexlify

      bin = binascii.unhexlify

      def short(node):

          return hex(node[:6])

	Site-wide shortcuts
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n g	New gist page

	Repositories
g s	Goto summary page
g c	Goto changelog page
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g F	Goto files page with file search activated
g p	Goto pull requests page
g o	Goto repository settings
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t s	Toggle sidebar on some pages

				"""
				node.py - basic nodeid manipulation for mercurial

				Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>

				This software may be used and distributed according to the terms
				of the GNU General Public License, incorporated herein by reference.
				"""

				import binascii

				nullrev = -1
				nullid = "\0" * 20

				# This ugly style has a noticeable effect in manifest parsing
				hex = binascii.hexlify
				bin = binascii.unhexlify

				def short(node):
				return hex(node[:6])