# HG changeset patch
# User Bryan O'Sullivan <bos@serpentine.com>
# Node ID 059c6e42fc4221816e26a72bef8cf780891989ca
# Parent 4309b0a5a6010dd2e5811b77d2bc29a51acf290f
Demand-load most modules in the commands and ui modules.
This improves response times for a number of simple commands, as the
Python interpreter doesn't end up loading modules that it never uses.
There's less benefit to demand-loading in other modules.
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Add username/merge/editor to .hgrc
These take priority over the equivalent environment vars
Deprecate HGMERGE, HGUSER, and HGEDITOR in docs
Add ui section to docs
Remove undocumented HG_OPTS
Raise username code out of changelog class
Make tests ignore ~/.hgrc
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[PATCH] Make ui.warn write to stderr
From: Bryan O'Sullivan <bos@serpentine.com>
> Someone is probably using ui.write instead of ui.warn.
Actually, ui.warn uses ui.write. So hg never prints to stderr right
now. Here's a patch to fix that.
[mpm: add sys.stdout.flush()]
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[PATCH] Harden os.system
From: Bryan O'Sullivan <bos@serpentine.com>
Add util.system function. This is similar to os.system, but will
either succeed (if the process finishes with a zero exit code) or raise
a util.CommandError (if the process exits uncleanly or is killed by
a signal).
Add util.explain_exit function. This tends to be ubiquitous in code
that calls other processes, and must describe what has gone wrong.
Change some uses of os.system over to util.system.
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import and startup cleanups
add commands:run()
add copyright notice to commands
eliminate/reorganize imports to speed up start time:
0.5b:
$ time bash -c 'for i in `seq 100`; do ~/bin/hg > /dev/null; done'
real 0m7.718s
user 0m6.719s
sys 0m0.794s
new:
$ time bash -c 'for i in `seq 100`; do hg > /dev/null; done'
real 0m2.171s
user 0m1.684s
sys 0m0.444s
just python:
$ time bash -c 'for i in `seq 100`; do python -c pass; done'
real 0m0.988s
user 0m0.771s
sys 0m0.207s
Ignoring the fixed cost of loading the Python interpreter, we're 5.6
times faster. With the Python load time, we're still 3.5 times faster.
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