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Generate human readable explanations of rules which cause problems

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main
Nils Adermann 12 years ago
parent 2c87fe5a22
commit 83123b2d40
3 changed files with 87 additions and 32 deletions
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7
src/Composer/DependencyResolver/Problem.php
Unescape Escape View File

@ -90,12 +90,7 @@ class Problem
$messages[] = $this->jobToText($job);
} elseif ($rule) {
if ($rule instanceof Rule) {
$message = '';
if ($rule->getType() == RuleSet::TYPE_LEARNED) {
$message .= 'learned:';
}
$messages[] = $message.$rule;
$messages[] = $rule->toHumanReadableString();
}
}
}

75
src/Composer/DependencyResolver/Rule.php
Unescape Escape View File

@ -17,6 +17,19 @@ namespace Composer\DependencyResolver;
*/
class Rule
{
const RULE_INTERNAL_ALLOW_UPDATE = 1;
const RULE_JOB_INSTALL = 2;
const RULE_JOB_REMOVE = 3;
const RULE_JOB_LOCK = 4;
const RULE_NOT_INSTALLABLE = 5;
const RULE_PACKAGE_CONFLICT = 6;
const RULE_PACKAGE_REQUIRES = 7;
const RULE_PACKAGE_OBSOLETES = 8;
const RULE_INSTALLED_PACKAGE_OBSOLETES = 9;
const RULE_PACKAGE_SAME_NAME = 10;
const RULE_PACKAGE_IMPLICIT_OBSOLETES = 11;
const RULE_LEARNED = 12;
protected $disabled;
protected $literals;
protected $type;
@ -163,6 +176,68 @@ class Rule
}
}
public function toHumanReadableString()
{
$ruleText = '';
foreach ($this->literals as $i => $literal) {
if ($i != 0) {
$ruleText .= '|';
}
$ruleText .= $literal;
}
switch ($this->reason) {
case self::RULE_INTERNAL_ALLOW_UPDATE:
return $ruleText;
case self::RULE_JOB_INSTALL:
return "Install command rule ($ruleText)";
case self::RULE_JOB_REMOVE:
return "Remove command rule ($ruleText)";
case self::RULE_JOB_LOCK:
return "Lock command rule ($ruleText)";
case self::RULE_NOT_INSTALLABLE:
return $ruleText;
case self::RULE_PACKAGE_CONFLICT:
$package1 = $this->literals[0]->getPackage();
$package2 = $this->literals[1]->getPackage();
return 'Package "'.$package1.'" conflicts with "'.$package2.'"';
case self::RULE_PACKAGE_REQUIRES:
$literals = $this->literals;
$sourceLiteral = array_shift($literals);
$sourcePackage = $sourceLiteral->getPackage();
$requires = array();
foreach ($literals as $literal) {
$requires[] = $literal->getPackage();
}
$text = 'Package "'.$sourcePackage.'" contains the rule '.$this->reasonData.'. ';
if ($requires) {
$text .= 'Any of these packages satisfy the dependency: '.implode(', ', $requires).'.';
} else {
$text .= 'No package satisfies this dependency.';
}
return $text;
case self::RULE_PACKAGE_OBSOLETES:
return $ruleText;
case self::RULE_INSTALLED_PACKAGE_OBSOLETES:
return $ruleText;
case self::RULE_PACKAGE_SAME_NAME:
return $ruleText;
case self::RULE_PACKAGE_IMPLICIT_OBSOLETES:
return $ruleText;
case self::RULE_LEARNED:
return 'learned: '.$ruleText;
}
}
/**
* Formats a rule as a string of the format (Literal1|Literal2|...)
*

37
src/Composer/DependencyResolver/Solver.php
Unescape Escape View File

@ -21,21 +21,6 @@ use Composer\DependencyResolver\Operation;
*/
class Solver
{
const RULE_INTERNAL_ALLOW_UPDATE = 1;
const RULE_JOB_INSTALL = 2;
const RULE_JOB_REMOVE = 3;
const RULE_JOB_LOCK = 4;
const RULE_NOT_INSTALLABLE = 5;
const RULE_NOTHING_PROVIDES_DEP = 6;
const RULE_PACKAGE_CONFLICT = 7;
const RULE_PACKAGE_NOT_EXIST = 8;
const RULE_PACKAGE_REQUIRES = 9;
const RULE_PACKAGE_OBSOLETES = 10;
const RULE_INSTALLED_PACKAGE_OBSOLETES = 11;
const RULE_PACKAGE_SAME_NAME = 12;
const RULE_PACKAGE_IMPLICIT_OBSOLETES = 13;
const RULE_LEARNED = 14;
protected $policy;
protected $pool;
protected $installed;
@ -235,7 +220,7 @@ class Solver
}
if (!$dontFix && !$this->policy->installable($this, $this->pool, $this->installedMap, $package)) {
$this->addRule(RuleSet::TYPE_PACKAGE, $this->createRemoveRule($package, self::RULE_NOT_INSTALLABLE, (string) $package));
$this->addRule(RuleSet::TYPE_PACKAGE, $this->createRemoveRule($package, Rule::RULE_NOT_INSTALLABLE, (string) $package));
continue;
}
@ -261,7 +246,7 @@ class Solver
}
}
$this->addRule(RuleSet::TYPE_PACKAGE, $rule = $this->createRequireRule($package, $possibleRequires, self::RULE_PACKAGE_REQUIRES, (string) $link));
$this->addRule(RuleSet::TYPE_PACKAGE, $rule = $this->createRequireRule($package, $possibleRequires, Rule::RULE_PACKAGE_REQUIRES, (string) $link));
foreach ($possibleRequires as $require) {
$workQueue->enqueue($require);
@ -276,7 +261,7 @@ class Solver
continue;
}
$this->addRule(RuleSet::TYPE_PACKAGE, $this->createConflictRule($package, $conflict, self::RULE_PACKAGE_CONFLICT, (string) $link));
$this->addRule(RuleSet::TYPE_PACKAGE, $this->createConflictRule($package, $conflict, Rule::RULE_PACKAGE_CONFLICT, (string) $link));
}
}
@ -301,7 +286,7 @@ class Solver
continue; // don't repair installed/installed problems
}
$reason = ($isInstalled) ? self::RULE_INSTALLED_PACKAGE_OBSOLETES : self::RULE_PACKAGE_OBSOLETES;
$reason = ($isInstalled) ? Rule::RULE_INSTALLED_PACKAGE_OBSOLETES : Rule::RULE_PACKAGE_OBSOLETES;
$this->addRule(RuleSet::TYPE_PACKAGE, $this->createConflictRule($package, $provider, $reason, (string) $link));
}
}
@ -327,7 +312,7 @@ class Solver
continue;
}
$reason = ($package->getName() == $provider->getName()) ? self::RULE_PACKAGE_SAME_NAME : self::RULE_PACKAGE_IMPLICIT_OBSOLETES;
$reason = ($package->getName() == $provider->getName()) ? Rule::RULE_PACKAGE_SAME_NAME : Rule::RULE_PACKAGE_IMPLICIT_OBSOLETES;
$this->addRule(RuleSet::TYPE_PACKAGE, $rule = $this->createConflictRule($package, $provider, $reason, (string) $package));
}
}
@ -973,7 +958,7 @@ class Solver
foreach ($installedPackages as $package) {
$updates = $this->policy->findUpdatePackages($this, $this->pool, $this->installedMap, $package);
$rule = $this->createUpdateRule($package, $updates, self::RULE_INTERNAL_ALLOW_UPDATE, (string) $package);
$rule = $this->createUpdateRule($package, $updates, Rule::RULE_INTERNAL_ALLOW_UPDATE, (string) $package);
$rule->setWeak(true);
$this->addRule(RuleSet::TYPE_FEATURE, $rule);
@ -988,7 +973,7 @@ class Solver
$problem->addJobRule($job);
$this->problems[] = $problem;
} else {
$rule = $this->createInstallOneOfRule($job['packages'], self::RULE_JOB_INSTALL, $job['packageName']);
$rule = $this->createInstallOneOfRule($job['packages'], Rule::RULE_JOB_INSTALL, $job['packageName']);
$this->addRule(RuleSet::TYPE_JOB, $rule);
$this->ruleToJob[$rule->getId()] = $job;
}
@ -999,7 +984,7 @@ class Solver
// todo: cleandeps
foreach ($job['packages'] as $package) {
$rule = $this->createRemoveRule($package, self::RULE_JOB_REMOVE);
$rule = $this->createRemoveRule($package, Rule::RULE_JOB_REMOVE);
$this->addRule(RuleSet::TYPE_JOB, $rule);
$this->ruleToJob[$rule->getId()] = $job;
}
@ -1007,9 +992,9 @@ class Solver
case 'lock':
foreach ($job['packages'] as $package) {
if (isset($this->installedMap[$package->getId()])) {
$rule = $this->createInstallRule($package, self::RULE_JOB_LOCK);
$rule = $this->createInstallRule($package, Rule::RULE_JOB_LOCK);
} else {
$rule = $this->createRemoveRule($package, self::RULE_JOB_LOCK);
$rule = $this->createRemoveRule($package, Rule::RULE_JOB_LOCK);
}
$this->addRule(RuleSet::TYPE_JOB, $rule);
$this->ruleToJob[$rule->getId()] = $job;
@ -1496,7 +1481,7 @@ class Solver
$why = count($this->learnedPool) - 1;
assert($learnedLiterals[0] !== null);
$newRule = new Rule($learnedLiterals, self::RULE_LEARNED, $why);
$newRule = new Rule($learnedLiterals, Rule::RULE_LEARNED, $why);
return array($ruleLevel, $newRule, $why);
}

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