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9bd6a37055
Summary: Noticed a couple of typos in the docs, and then things got out of hand. Test Plan: - Stared at the words until my eyes watered and the letters began to swim on the screen. - Consulted a dictionary. Reviewers: #blessed_reviewers, epriestley Reviewed By: #blessed_reviewers, epriestley Subscribers: epriestley, yelirekim, PHID-OPKG-gm6ozazyms6q6i22gyam Differential Revision: https://secure.phabricator.com/D18693
80 lines
2.3 KiB
PHP
80 lines
2.3 KiB
PHP
<?php
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final class PhabricatorFilesManagementCatWorkflow
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extends PhabricatorFilesManagementWorkflow {
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protected function didConstruct() {
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$this
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->setName('cat')
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->setSynopsis(pht('Print the contents of a file.'))
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->setArguments(
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array(
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array(
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'name' => 'begin',
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'param' => 'bytes',
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'help' => pht('Begin printing at a specific offset.'),
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),
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array(
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'name' => 'end',
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'param' => 'bytes',
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'help' => pht('End printing at a specific offset.'),
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),
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array(
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'name' => 'salvage',
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'help' => pht(
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'DANGEROUS. Attempt to salvage file content even if the '.
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'integrity check fails. If an adversary has tampered with '.
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'the file, the content may be unsafe.'),
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),
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array(
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'name' => 'names',
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'wildcard' => true,
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),
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));
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}
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public function execute(PhutilArgumentParser $args) {
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$console = PhutilConsole::getConsole();
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$names = $args->getArg('names');
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if (count($names) > 1) {
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throw new PhutilArgumentUsageException(
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pht('Specify exactly one file to print, like "%s".', 'F123'));
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} else if (!$names) {
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throw new PhutilArgumentUsageException(
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pht('Specify a file to print, like "%s".', 'F123'));
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}
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$file = head($this->loadFilesWithNames($names));
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$begin = $args->getArg('begin');
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$end = $args->getArg('end');
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$file->makeEphemeral();
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// If we're running in "salvage" mode, wipe out any integrity hash which
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// may be present. This makes us read file data without performing an
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// integrity check.
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$salvage = $args->getArg('salvage');
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if ($salvage) {
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$file->setIntegrityHash(null);
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}
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try {
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$iterator = $file->getFileDataIterator($begin, $end);
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foreach ($iterator as $data) {
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echo $data;
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}
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} catch (PhabricatorFileIntegrityException $ex) {
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throw new PhutilArgumentUsageException(
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pht(
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'File data integrity check failed. Use "--salvage" to bypass '.
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'integrity checks. This flag is dangerous, use it at your own '.
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'risk. Underlying error: %s',
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$ex->getMessage()));
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}
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return 0;
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}
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}
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