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/*
* SonarQube
* Copyright (C) 2009-2025 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.scanner.sensor;
import java.util.Objects;
import java.util.Set;
import org.sonar.api.batch.fs.InputFile;
import org.sonar.api.batch.fs.internal.DefaultInputFile;
import org.sonar.api.config.Configuration;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.sonar.scanner.scan.branch.BranchConfiguration;
public class UnchangedFilesHandler {
private static final Logger LOG = LoggerFactory.getLogger(UnchangedFilesHandler.class);
private static final Set<SensorId> ENABLED_SENSORS = Set.of(
new SensorId("cpp", "CFamily"),
new SensorId("cobol", "CobolSquidSensor"),
// for ITs
new SensorId("xoo", "Mark As Unchanged Sensor"));
private static final String ENABLE_PROPERTY_KEY = "sonar.unchangedFiles.optimize";
private final boolean featureActive;
private final ExecutingSensorContext executingSensorContext;
public UnchangedFilesHandler(Configuration configuration, BranchConfiguration branchConfiguration, ExecutingSensorContext executingSensorContext) {
this.executingSensorContext = executingSensorContext;
this.featureActive = getFeatureActivationStatus(configuration, branchConfiguration);
}
private static boolean getFeatureActivationStatus(Configuration configuration, BranchConfiguration branchConfiguration) {
boolean isPropertyEnabled = configuration.getBoolean(ENABLE_PROPERTY_KEY).orElse(false);
if (!isPropertyEnabled) {
return false;
}
if (branchConfiguration.isPullRequest() || !Objects.equals(branchConfiguration.branchName(), branchConfiguration.referenceBranchName())) {
LOG.debug("Optimization for unchanged files not enabled because it's not an analysis of a branch with a previous analysis");
return false;
}
LOG.info("Optimization for unchanged files enabled");
return true;
}
public void markAsUnchanged(DefaultInputFile file) {
if (isFeatureActive()) {
if (file.status() != InputFile.Status.SAME) {
LOG.error("File '{}' was marked as unchanged but its status is {}", file.getProjectRelativePath(), file.status());
} else {
LOG.debug("File '{}' marked as unchanged", file.getProjectRelativePath());
file.setMarkedAsUnchanged(true);
}
}
}
private boolean isFeatureActive() {
return featureActive && executingSensorContext.getSensorExecuting() != null && ENABLED_SENSORS.contains(executingSensorContext.getSensorExecuting());
}
}
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