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epriestley 5448fe2165 When recent PHP raises a "broken pipe" error in ExecFuture, treat it as a blocked stdin 
Summary:
Ref T13528. If we start a subprocess that immediately exits and then write to it, we can get a broken pipe error.

Recent versions of PHP appear to raise this as an actual warning, and recent changes upgrade the warning to a runtime exception.

I can't find any way to tell if the RuntimeException is a broken pipe or something else, except by examining the text of the error string.

At least for now, treat this like a "blocked pipe" condition. Since the subprocess has exited and the bytes didn't write, this should generally be reasonable.

Test Plan:
  - Viewed a file in Paste with an extension that Pygments does not have a lexer for.
  - This causes Pygments to exit immediately with an "unrecognized lexer" error. This closes the pipe, and the next write will fail with a broken pipe error.
  - Before patch: fatal on broken pipe.
  - After patch: clean resolution of the future and error condition.

Maniphest Tasks: T13528

Differential Revision: https://secure.phabricator.com/D21199
2020-05-01 09:12:43 -07:00
bin When "ArcanistRuntime" exits with a nonzero exit code, emit that exit code 2020-02-27 06:17:02 -08:00
externals Fully merge "libphutil/" into "arcanist/" 2020-02-12 15:17:38 -08:00
resources Merge utility/support changes from "wilds" to "master" 2020-02-13 14:10:09 -08:00
scripts Remove obscure features no longer supported by Toolsets from "classic" Arcanist 2020-02-17 09:28:39 -08:00
src When recent PHP raises a "broken pipe" error in ExecFuture, treat it as a blocked stdin 2020-05-01 09:12:43 -07:00
support Port "arc prompts" from wilds and fix a path issue in shell completion 2020-04-11 10:43:05 -07:00
.arcconfig Set "history.immutable" to "false" explicitly in .arcconfig in Arcanist 2016-08-03 08:13:09 -07:00
.arclint Add new "Hardpoint" classes to support request parallelization 2020-04-08 09:23:50 -07:00
.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 Merge utility/support changes from "wilds" to "master" 2020-02-13 14:10:09 -08:00
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

README.md

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.