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Fix an obscure dependency issue in Arcanist + libphutil
Summary: The module analyzer reads "phutil_require_module" in the source of a module as a dependency, and tries to regenerate __init__.php if symbols from that module aren't actually used. This creates patches which don't actually resolve the problem, since changing __init__.php won't change the dependency. Instead, trust that anyone using phutil_require_module in the source of a module knows what they're doing and don't mark it as a dependency. We currently have an issue with this in phabricator's Setup process since I load some other libraries' modules just to test if they can be loaded @lesha, this might be the issue you reported a while ago. Test Plan: Ran "arc lint" on a module which pulls in another module explicitly in the source, didn't get a no-op lint error. Reviewed By: jungejason Reviewers: jungejason, tuomaspelkonen, aran, lesha CC: aran, epriestley, jungejason Differential Revision: 770
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parent
17c82ff03c
commit
39e4656278
2 changed files with 11 additions and 7 deletions
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@ -122,7 +122,7 @@ foreach (Futures($futures) as $file => $future) {
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}
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$requirements->addSourceDependency($name, $value);
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} else if ($call_name == 'phutil_require_module') {
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analyze_phutil_require_module($call, $requirements);
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analyze_phutil_require_module($call, $requirements, true);
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}
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}
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} else {
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@ -154,7 +154,7 @@ foreach (Futures($futures) as $file => $future) {
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$call_name = $name->getConcreteString();
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if ($call_name == 'phutil_require_module') {
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analyze_phutil_require_module($call, $requirements);
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analyze_phutil_require_module($call, $requirements, false);
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} else if ($call_name == 'call_user_func' ||
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$call_name == 'call_user_func_array') {
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$params = $call->getChildByIndex(1)->getChildren();
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@ -327,7 +327,8 @@ echo json_encode($requirements->toDictionary());
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*/
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function analyze_phutil_require_module(
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XHPASTNode $call,
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PhutilModuleRequirements $requirements) {
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PhutilModuleRequirements $requirements,
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$create_dependency) {
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$name = $call->getChildByIndex(0);
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$params = $call->getChildByIndex(1)->getChildren();
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@ -363,7 +364,9 @@ function analyze_phutil_require_module(
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return;
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}
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$requirements->addModuleDependency(
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$name,
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$library_value.':'.$module_value);
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if ($create_dependency) {
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$requirements->addModuleDependency(
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$name,
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$library_value.':'.$module_value);
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}
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}
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@ -168,7 +168,8 @@ class ArcanistLintMessage {
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}
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public function isPatchable() {
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return ($this->getReplacementText() !== null);
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return ($this->getReplacementText() !== null) &&
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($this->getReplacementText() !== $this->getOriginalText());
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}
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public function didApplyPatch() {
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