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Remove reentrant code
Summary: Ref T7604. Remove the `reenter_if_this_is_arcanist_or_libphutil` function. Some discussion in D12945. Test Plan: Ran `./bin/arc --trace help` and saw things happen as expected. Reviewers: #blessed_reviewers, epriestley Reviewed By: #blessed_reviewers, epriestley Subscribers: Korvin, epriestley Maniphest Tasks: T7604 Differential Revision: https://secure.phabricator.com/D12999
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@ -114,11 +114,6 @@ try {
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}
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$configuration_manager->setWorkingCopyIdentity($working_copy);
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reenter_if_this_is_arcanist_or_libphutil(
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$console,
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$working_copy,
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$original_argv);
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// Load additional libraries, which can provide new classes like configuration
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// overrides, linters and lint engines, unit test engines, etc.
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@ -646,75 +641,3 @@ function arcanist_load_libraries(
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}
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}
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}
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/**
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* NOTE: SPOOKY BLACK MAGIC
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*
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* When arc is run in a copy of arcanist other than itself, or a copy of
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* libphutil other than the one we loaded, reenter the script and force it
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* to use the current working directory instead of the default.
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*
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* In the case of execution inside arcanist/, we force execution of the local
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* arc binary.
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*
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* In the case of execution inside libphutil/, we force the local copy to load
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* instead of the one selected by default rules.
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*
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* @param PhutilConsole Console.
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* @param ArcanistWorkingCopyIdentity The current working copy.
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* @param array Original arc arguments.
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* @return void
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*/
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function reenter_if_this_is_arcanist_or_libphutil(
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PhutilConsole $console,
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ArcanistWorkingCopyIdentity $working_copy,
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array $original_argv) {
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$project_id = $working_copy->getProjectID();
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if ($project_id != 'arcanist' && $project_id != 'libphutil') {
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// We're not in a copy of arcanist or libphutil.
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return;
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}
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$library_names = array(
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'arcanist' => 'arcanist',
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'libphutil' => 'phutil',
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);
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$library_root = phutil_get_library_root($library_names[$project_id]);
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$project_root = $working_copy->getProjectRoot();
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if (Filesystem::isDescendant($library_root, $project_root)) {
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// We're in a copy of arcanist or libphutil, but already loaded the correct
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// copy. Continue execution normally.
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return;
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}
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if ($project_id == 'libphutil') {
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$console->writeLog(
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"%s\n",
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pht('This is libphutil! Forcing this copy to load...'));
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$original_argv[0] = dirname(phutil_get_library_root('arcanist')).'/bin/arc';
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$libphutil_path = $project_root;
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} else {
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$console->writeLog(
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"%s\n",
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pht('This is arcanist! Forcing this copy to run...'));
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$original_argv[0] = $project_root.'/bin/arc';
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$libphutil_path = dirname(phutil_get_library_root('phutil'));
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}
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if (phutil_is_windows()) {
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$err = phutil_passthru(
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'set ARC_PHUTIL_PATH=%s & %Ls',
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$libphutil_path,
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$original_argv);
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} else {
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$err = phutil_passthru(
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'ARC_PHUTIL_PATH=%s %Ls',
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$libphutil_path,
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$original_argv);
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}
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exit($err);
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}
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