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dirstate-tree: Remove newly-empty nodes after removing a `DirstateEntry`...
dirstate-tree: Remove newly-empty nodes after removing a `DirstateEntry` This is actually necessary to make `DirstateMap::has_dir` correct, since it assumes that a node without a `DirstateEntry` has at least one descedant node with a `DirstateEntry`. This bug would become apparent when a later changeset persists tree nodes on disk in the "dirstate-v2" format. Differential Revision: https://phab.mercurial-scm.org/D10706
Simon Sapin -
r47964:47ccab19 default
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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.