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phorge-arcanist/scripts/utils/prosediff.php

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[Wilds] Remove libphutil Summary: Ref T13098. Historically, Phabricator was split into three parts: - Phabricator, the server. - Arcanist, the client. - libphutil, libraries shared between the client and server. One imagined use case for this was that `libphutil` might become a general-purpose library that other projects would use. However, this didn't really happen, and it seems unlikely to at this point: Phabricator has become a relatively more sophisticated application platform; we didn't end up seeing or encouraging much custom development; what custom development there is basically embraces all of Phabricator since there are huge advantages to doing so; and a general "open source is awful" sort of factor here in the sense that open source users often don't have goals well aligned to our goals. Turning "arc" into a client platform and building package management solidify us in this direction of being a standalone platform, not a standalone utility library. Phabricator also depends on `arcanist/`. If it didn't, there would be a small advantage to saying "shared code + client for client, shared code + server for server", but there's no such distinction and it seems unlikely that one will ever exist. Even if it did, I think this has little value. Nowadays, I think this separation has no advantages for us and one significant cost: it makes installing `arcanist` more difficult for end-users. This will need some more finesssing (Phabricator will need some changes for compatibility, and a lot of stuff that still says "libphutil" or "phutil" may eventually want to say "arcanist"), and some stuff (like xhpast) is probably straight-up broken right now and needs some tweaking, but I don't anticipate any major issues here. There was never anything particularly magical about libphutil as a separate standalone library. Test Plan: Ran `arc`, it gets about as far as it did before. Reviewers: amckinley Reviewed By: amckinley Maniphest Tasks: T13098 Differential Revision: https://secure.phabricator.com/D19688
2018-09-18 19:37:45 +02:00
#!/usr/bin/env php
<?php
require_once dirname(__FILE__).'/../__init_script__.php';
$args = new PhutilArgumentParser($argv);
$args->setTagline(pht('show prose differences'));
$args->setSynopsis(<<<EOHELP
**prosediff.php** __old__ __new__ [__options__]
Diff two prose files.
EOHELP
);
$args->parseStandardArguments();
$args->parse(
array(
array(
'name' => 'files',
'wildcard' => true,
),
));
$files = $args->getArg('files');
if (count($files) !== 2) {
$args->printHelpAndExit();
}
$old_file = head($files);
$new_file = last($files);
$old_data = Filesystem::readFile($old_file);
$new_data = Filesystem::readFile($new_file);
$engine = new PhutilProseDifferenceEngine();
$prose_diff = $engine->getDiff($old_data, $new_data);
foreach ($prose_diff->getParts() as $part) {
switch ($part['type']) {
case '-':
echo tsprintf('<bg:red>%B</bg>', $part['text']);
break;
case '+':
echo tsprintf('<bg:green>%B</bg>', $part['text']);
break;
case '=':
echo tsprintf('%B', $part['text']);
break;
}
}