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epriestley 63276697eb Fix three Windows subprocess issues
Summary:
Fixes T13504. This fixes three issues:

  # In ExecFuture, "proc_open()" on an invalid binary could fail with an unconditional exception.
  # In ExecPassthru, "proc_open()" on an invalid binary could fail with an unconditional exception.
  # In "arc browse", "start <url>" does not work when the shell is bypassed.

In (1) and (2), the desired behavior is to fail with an exit code which is sometimes upgraded to an exception depending on calling convention.

Issue (1) most commonly manifested as "find" failing when run via "cmd.exe".

Issue (2) most commonly manifested as "arc browse" failing.

Issue (3) was entangled with issue (2).

In cases (1) and (2), assume "proc_open()" failures under Windows are because of bad binaries and treat them like bogus commands on Linux/Mac.

In case (3), use "cmd /c start" instead of "start" as a default browser on Windows.

Test Plan:
  - On Windows, did mime type detection in cmd.exe. Before patch: proc_open() exception in "find". After patch: clean (albeit not terribly useful) detection.
  - On Windows, did "arc browse ...". Before patch: proc_open() exception in "start". After patch: clean browser execution.

Maniphest Tasks: T13504

Differential Revision: https://secure.phabricator.com/D21047
2020-04-01 16:11:05 -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 Fix three Windows subprocess issues 2020-04-01 16:11:05 -07:00
support When "ArcanistRuntime" exits with a nonzero exit code, emit that exit code 2020-02-27 06:17:02 -08:00
.arcconfig Set "history.immutable" to "false" explicitly in .arcconfig in Arcanist 2016-08-03 08:13:09 -07:00
.arclint Fully merge "libphutil/" into "arcanist/" 2020-02-12 15:17:38 -08:00
.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

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LICENSE

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