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epriestley 4c4fd6fd23 [Wilds] Refine the working copy selection algorithm for Subversion vs Git/Mercurial
Summary:
Ref T13098. I didn't fully capture all the nuances of the old algorithm, and the behavior we want is slightly more complicated. This adjust things to try to express the more complicated behavior in a relatively clear (?) way.

When a bunch of working copies are nested inside one another, first pick the deepest one, then ask it to pick the best option among all working copies of the same type.

For Git and Mercurial repositories, just pick the deepest one.

For Subversion repositories, pick the directory with `.arcconfig` if one exists, or the shallowest directory otherwise (this could be more sophisticated, some day).

The general idea here is that if `/a` is a Git repository and `/a/b/c` is a Git repository and you run inside `/a/b/c`, that should be the working copy.

But we have to use a different rule for Subversion because //every directory// had a `.svn` directory in it until SVN 1.7.

Test Plan:
Locally, with `core/lib/arcanist/`, got `arc` to anchor to `arcanist/` instead of `core/` with the new ruleset.

(This will eventually get more extensive Subversion testing.)

Reviewers: amckinley

Reviewed By: amckinley

Maniphest Tasks: T13098

Differential Revision: https://secure.phabricator.com/D19707
2018-09-26 14:11:28 -07:00
bin [Wilds] Rewrite "arc" entrypoints for toolsets 2018-09-21 15:55:08 -07:00
externals [Wilds] Remove include_path mangling and drop support for "externals/includes" 2018-09-21 16:44:11 -07:00
resources [Wilds] Update "arc shell-complete" for toolsets 2018-09-25 16:02:13 -07:00
scripts [Wilds] Allow "arc liberate" to liberate itself again 2018-09-21 16:50:58 -07:00
src [Wilds] Refine the working copy selection algorithm for Subversion vs Git/Mercurial 2018-09-26 14:11:28 -07:00
support [Wilds] Provide a skeleton for prompt behaviors 2018-09-26 14:08:49 -07:00
.arcconfig Set "history.immutable" to "false" explicitly in .arcconfig in Arcanist 2016-08-03 08:13:09 -07:00
.arclint Fold ArcanistPhutilXHPASTLinter into ArcanistXHPASTLinter 2015-11-13 07:08:40 +11:00
.arcunit Rough version of configuration driven unit test engine 2015-08-11 06:54:16 +10:00
.editorconfig Test XHPAST linter rules in isolation 2015-11-19 08:57:23 +11:00
.gitignore [Wilds] Update "arc shell-complete" for toolsets 2018-09-25 16:02:13 -07:00
LICENSE Fix text lint issues 2015-04-07 18:09:27 +10:00
NOTICE Remove duplicate newline 2014-07-17 08:25:22 +10:00
README.md Move README to Markdown 2015-04-13 13:01:16 -07:00

Arcanist is the command-line tool for Phabricator. It allows you to interact with Phabricator installs to send code for review, download patches, transfer files, view status, make API calls, and various other things. You can read more in the User Guide

For more information about Phabricator, see http://phabricator.org/.

LICENSE

Arcanist is released under the Apache 2.0 license except as otherwise noted.