Differential D25039 Diff 96 src/filesystem/binary/PhutilMercurialBinaryAnalyzer.php

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src/filesystem/binary/PhutilMercurialBinaryAnalyzer.php

<?php		<?php

final class PhutilMercurialBinaryAnalyzer		final class PhutilMercurialBinaryAnalyzer
extends PhutilBinaryAnalyzer {		extends PhutilBinaryAnalyzer {

const BINARY = 'hg';		const BINARY = 'hg';

const CAPABILITY_FILES = 'files';		const CAPABILITY_FILES = 'files';
const CAPABILITY_INJECTION = 'injection';		const CAPABILITY_INJECTION = 'injection';
		const CAPABILITY_TEMPLATE_PNODE = 'template_pnode';
		const CAPABILTIY_ANNOTATE_TEMPLATES = 'annotate_templates';

protected function newBinaryVersion() {		protected function newBinaryVersion() {
$future = id(new ExecFuture('hg --version --quiet'))		$future = id(new ExecFuture('hg --version --quiet'))
->setEnv(		->setEnv(
array(		array(
'HGPLAIN' => 1,		'HGPLAIN' => 1,
));		));

Show All 37 Lines	final class PhutilMercurialBinaryAnalyzer
}		}

public function isMercurialVulnerableToInjection() {		public function isMercurialVulnerableToInjection() {
return self::versionHasCapability(		return self::versionHasCapability(
$this->requireBinaryVersion(),		$this->requireBinaryVersion(),
self::CAPABILITY_INJECTION);		self::CAPABILITY_INJECTION);
}		}

		/**
		* When using `--template` the format for accessing individual parents
		* changed from `{p1node}` to `{p1.node}` in Mercurial 4.9.
		*
		* @return boolean True if the version of Mercurial is new enough to support
		* the `{p1.node}` format in templates, or false if otherwise.
		*/
		public function isMercurialTemplatePnodeAvailable() {
		return self::versionHasCapability(
		$this->requireBinaryVersion(),
		self::CAPABILITY_TEMPLATE_PNODE);
		}

		/**
		* The `hg annotate` command did not accept the `--template` argument until
		* version 4.6. It appears to function in version 4.5 however it's not
		* documented and wasn't announced until the 4.6 release.
		*
		* @return boolean True if the version of Mercurial is new enough to support
		* the `--template` option when using `hg annotate`, or false if otherwise.
		*/
		public function isMercurialAnnotateTemplatesAvailable() {
		return self::versionHasCapability(
		$this->requireBinaryVersion(),
		self::CAPABILTIY_ANNOTATE_TEMPLATES);
		}


public static function versionHasCapability(		public static function versionHasCapability(
$mercurial_version,		$mercurial_version,
$capability) {		$capability) {

switch ($capability) {		switch ($capability) {
case self::CAPABILITY_FILES:		case self::CAPABILITY_FILES:
return version_compare($mercurial_version, '3.2', '>=');		return version_compare($mercurial_version, '3.2', '>=');
case self::CAPABILITY_INJECTION:		case self::CAPABILITY_INJECTION:
return version_compare($mercurial_version, '3.2.4', '<');		return version_compare($mercurial_version, '3.2.4', '<');
		case self::CAPABILITY_TEMPLATE_PNODE:
		return version_compare($mercurial_version, '4.9', '>=');
		case self::CAPABILTIY_ANNOTATE_TEMPLATES:
		return version_compare($mercurial_version, '4.6', '>=');
default:		default:
throw new Exception(		throw new Exception(
pht(		pht(
'Unknown Mercurial capability "%s".',		'Unknown Mercurial capability "%s".',
$capability));		$capability));
}		}

}		}


}		}