copies: improve logic of deciding copytracing on based of config options Few months ago or maybe a year ago, I imported Fb's heuristics based copytracing algorithms. While importing that, I renamed `experimental.disablecopytrace` with `experimental.copytrace` and the behavior of the new config option was like this: * "heuristics" : Fb's heuristic copytracing algorithm * "off" : copytracing is turned off * something else: copytracing is on This is the behavior right now also and this is bad because it hardcodes the string 'off' to turn off the copytracing. On big repositories, copytracing is very slow and people wants to turn copytracing off. However if the user sets it to 'False', 'Off', '0', none of them is going to disbale copytracing while they should. I lacked the understanding of why this can be bad when I coded it. After this patch, the new behavior of the config option will be: * "heuristics": Fb's heuristic copytracing algorithm * '0', 'false', 'off', 'never', 'no', 'NO', all the values which repo.ui.configbool() evaluates to False: copytracing in turned off * something else: copytracing is on Since 'off' still evaluates to copytracing being turned off, this is not BC. Also the config option is experimental. Differential Revision: https://phab.mercurial-scm.org/D4416

     1

Mercurial

     2

=========

     3

     4

Mercurial is a fast, easy to use, distributed revision control tool

     5

for software developers.

     6

     7

Basic install::

     8

     9

 $ make            # see install targets

    10

 $ make install    # do a system-wide install

    11

 $ hg debuginstall # sanity-check setup

    12

 $ hg              # see help

    13

    14

Running without installing::

    15

    16

 $ make local      # build for inplace usage

    17

 $ ./hg --version  # should show the latest version

    18

    19

See https://mercurial-scm.org/ for detailed installation

    20

instructions, platform-specific notes, and Mercurial user information.