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phorge-arcanist/scripts/__init_script__.php
epriestley b9fa71f7e1 Allow arc to be run in arcanist/ or libphutil/
Summary:
Currently, if you run `arc` in arcanist/ or libphutil/ and your PATH and on-disk configuration are set up so a different version of arc or libphutil are the ones that actually load, we fail with an exception like "running arcanist in a different copy of arcanist is not supported".

This causes problems for Harbormaster, since we'd like to be able to run 'arc' in a copy of libphutil/ and have it execute unit tests for that copy rather than failing abruptly. So, if we detect that we're in arcanist/ or libphutil/, execute 'arc' again with the same arguments but force it to load the working copy in place of either the 'arcanist/' or the 'libphutil/' that it decided to load.

This is pretty much horrible black magic.

Test Plan: Ran 'arc list --trace' inside copies of libphutil/ and arcanist/ outside of the normal include chain. Saw it detect these, emit a message, and re-execute itself correctly.

Reviewers: btrahan, vrana

Reviewed By: vrana

CC: aran

Maniphest Tasks: T1049

Differential Revision: https://secure.phabricator.com/D4225
2012-12-17 16:35:03 -08:00

98 lines
3.4 KiB
PHP

<?php
/**
* Adjust 'include_path' to add locations where we'll search for libphutil.
* We look in these places:
*
* - Next to 'arcanist/'.
* - Anywhere in the normal PHP 'include_path'.
* - Inside 'arcanist/externals/includes/'.
*
* When looking in these places, we expect to find a 'libphutil/' directory.
*/
function arcanist_adjust_php_include_path() {
// The 'arcanist/' directory.
$arcanist_dir = dirname(dirname(__FILE__));
// The parent directory of 'arcanist/'.
$parent_dir = dirname($arcanist_dir);
// The 'arcanist/externals/includes/' directory.
$include_dir = implode(
DIRECTORY_SEPARATOR,
array(
$arcanist_dir,
'externals',
'includes',
));
$php_include_path = ini_get('include_path');
$php_include_path = implode(
PATH_SEPARATOR,
array(
$parent_dir,
$php_include_path,
$include_dir,
));
ini_set('include_path', $php_include_path);
}
arcanist_adjust_php_include_path();
if (getenv('ARC_PHUTIL_PATH')) {
@include_once getenv('ARC_PHUTIL_PATH').'/scripts/__init_script__.php';
} else {
@include_once 'libphutil/scripts/__init_script__.php';
}
if (!@constant('__LIBPHUTIL__')) {
echo "ERROR: Unable to load libphutil. Put libphutil/ next to arcanist/, or ".
"update your PHP 'include_path' to include the parent directory of ".
"libphutil/, or symlink libphutil/ into arcanist/externals/includes/.\n";
exit(1);
}
PhutilTranslator::getInstance()
->addTranslations(array(
'Locally modified path(s) are not included in this revision:' => array(
'A locally modified path is not included in this revision:',
'Locally modified paths are not included in this revision:',
),
'They will NOT be committed. Commit this revision anyway?' => array(
'It will NOT be committed. Commit this revision anyway?',
'They will NOT be committed. Commit this revision anyway?',
),
'Revision includes changes to path(s) that do not exist:' => array(
'Revision includes changes to a path that does not exist:',
'Revision includes changes to paths that do not exist:',
),
'This diff includes file(s) which are not valid UTF-8 (they contain '.
'invalid byte sequences). You can either stop this workflow and fix '.
'these files, or continue. If you continue, these files will be '.
'marked as binary.' => array(
'This diff includes a file which is not valid UTF-8 (it has invalid '.
'byte sequences). You can either stop this workflow and fix it, or '.
'continue. If you continue, this file will be marked as binary.',
'This diff includes files which are not valid UTF-8 (they contain '.
'invalid byte sequences). You can either stop this workflow and fix '.
'these files, or continue. If you continue, these files will be '.
'marked as binary.',
),
'AFFECTED FILE(S)' => array('AFFECTED FILE', 'AFFECTED FILES'),
'Do you want to mark these files as binary and continue?' => array(
'Do you want to mark this file as binary and continue?',
'Do you want to mark these files as binary and continue?',
),
'line(s)' => array('line', 'lines'),
'%d test(s)' => array('%d test', '%d tests'),
'%d assertion(s) passed.' => array(
'%d assertion passed.',
'%d assertions passed.',
),
));
phutil_load_library(dirname(dirname(__FILE__)).'/src/');