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	diff --git a/src/applications/paste/xaction/PhabricatorPasteContentTransaction.php b/src/applications/paste/xaction/PhabricatorPasteContentTransaction.php
	index 8df9ad8057..00c01b0fcb 100644
	--- a/src/applications/paste/xaction/PhabricatorPasteContentTransaction.php
	+++ b/src/applications/paste/xaction/PhabricatorPasteContentTransaction.php
	@@ -1,123 +1,138 @@
	<?php

	final class PhabricatorPasteContentTransaction
	extends PhabricatorPasteTransactionType {

	const TRANSACTIONTYPE = 'paste.create';

	+ private $filePHID;
	+
	public function generateOldValue($object) {
	return $object->getFilePHID();
	}

	public function applyInternalEffects($object, $value) {
	$object->setFilePHID($value);
	}

	public function extractFilePHIDs($object, $value) {
	- return array($value);
	+ $file_phid = $this->getFilePHID($object, $value);
	+ return array($file_phid);
	}

	public function validateTransactions($object, array $xactions) {
	if ($object->getFilePHID() \|\| $xactions) {
	return array();
	}

	$error = $this->newError(
	pht('Required'),
	pht('You must provide content to create a paste.'));
	$error->setIsMissingFieldError(true);

	return array($error);
	}

	public function generateNewValue($object, $value) {
	+ return $this->getFilePHID($object, $value);
	+ }
	+
	+ private function getFilePHID($object, $value) {
	+ if ($this->filePHID === null) {
	+ $this->filePHID = $this->newFilePHID($object, $value);
	+ }
	+
	+ return $this->filePHID;
	+ }
	+
	+ private function newFilePHID($object, $value) {
	// If this transaction does not really change the paste content, return
	// the current file PHID so this transaction no-ops.
	$old_content = $object->getRawContent();
	if ($value === $old_content) {
	$file_phid = $object->getFilePHID();
	if ($file_phid) {
	return $file_phid;
	}
	}

	$editor = $this->getEditor();
	$actor = $editor->getActor();

	$file = $this->newFileForPaste($actor, $value);

	return $file->getPHID();
	}

	private function newFileForPaste(PhabricatorUser $actor, $data) {
	$editor = $this->getEditor();

	$file_name = $editor->getNewPasteTitle();
	if (!strlen($file_name)) {
	$file_name = 'raw-paste-data.txt';
	}

	return PhabricatorFile::newFromFileData(
	$data,
	array(
	'name' => $file_name,
	'mime-type' => 'text/plain; charset=utf-8',
	'authorPHID' => $actor->getPHID(),
	'viewPolicy' => PhabricatorPolicies::POLICY_NOONE,
	));
	}

	public function getIcon() {
	return 'fa-plus';
	}

	public function getTitle() {
	return pht(
	'%s edited the content of this paste.',
	$this->renderAuthor());
	}

	public function getTitleForFeed() {
	return pht(
	'%s edited %s.',
	$this->renderAuthor(),
	$this->renderObject());
	}

	public function hasChangeDetailView() {
	return true;
	}

	public function getMailDiffSectionHeader() {
	return pht('CHANGES TO PASTE CONTENT');
	}

	public function newChangeDetailView() {
	$viewer = $this->getViewer();

	$old = $this->getOldValue();
	$new = $this->getNewValue();

	$files = id(new PhabricatorFileQuery())
	->setViewer($viewer)
	->withPHIDs(array($old, $new))
	->execute();
	$files = mpull($files, null, 'getPHID');

	$old_text = '';
	if (idx($files, $old)) {
	$old_text = $files[$old]->loadFileData();
	}

	$new_text = '';
	if (idx($files, $new)) {
	$new_text = $files[$new]->loadFileData();
	}

	return id(new PhabricatorApplicationTransactionTextDiffDetailView())
	->setViewer($viewer)
	->setOldText($old_text)
	->setNewText($new_text);
	}

	}

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