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chg: pass --no-profile to disable profiling when starting hg serve...
chg: pass --no-profile to disable profiling when starting hg serve If profiling is enabled via global/user config (as far as I can tell, this doesn't affect use of the --profile flag, but it probably does affect --config profiling.enabled=1), then the profiling data can be *cumulative* for the lifetime of the chg process. This leads to some "interesting" results where hg claims the walltime is something like 200s on a command that took only a second or two to run. Worse, however, is that with at least some profilers (such as the default "stat" profiler), this can cause a large slowdown while generating the profiler output. Differential Revision: https://phab.mercurial-scm.org/D10470
Valentin Gatien-Baron - - Load All Authors

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cHg
===
A fast client for Mercurial command server running on Unix.
Install:
$ make
$ make install
Usage:
$ chg help # show help of Mercurial
$ alias hg=chg # replace hg command
$ chg --kill-chg-daemon # terminate background server
Environment variables:
Although cHg tries to update environment variables, some of them cannot be
changed after spawning the server. The following variables are specially
handled:
* configuration files are reloaded automatically by default.
* CHGHG or HG specifies the path to the hg executable spawned as the
background command server.
The following variables are available for testing:
* CHGDEBUG enables debug messages.
* CHGSOCKNAME specifies the socket path of the background cmdserver.
* CHGTIMEOUT specifies how many seconds chg will wait before giving up
connecting to a cmdserver. If it is 0, chg will wait forever. Default: 60
Build environment variables:
* HGPATH: the path to the hg executable to call when CHGHG and HG are not set,
instead of "hg"
* HGPATHREL=1: when CHGHG and HG are not set, the hg executable will be ./hg
relative to the chg executable. Only works on linux, falls back to "hg"
otherwise.