| /* |
| * Copyright 2000-2012 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package git4idea.commands; |
| |
| import com.intellij.openapi.util.Key; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| /** |
| * <p>Detects the error which happens, when some untracked working tree files prevent merge or checkout.</p> |
| * |
| * <p>Using a separate detector class instead of defining just an {@link GitMessageWithFilesDetector.Event}, |
| * because older versions of Git have other format of displaying this error that doesn't match any existing detectors.</p> |
| * |
| * @author Kirill Likhodedov |
| */ |
| public class GitLocalChangesWouldBeOverwrittenDetector extends GitMessageWithFilesDetector { |
| |
| private static final Pattern OLD_CHECKOUT_PATTERN = Pattern.compile( |
| ".*You have local changes to '(.*)'; cannot switch branches.*" |
| ); |
| |
| private static final Pattern OLD_MERGE_PATTERN = Pattern.compile( |
| ".*Your local changes to '(.*)' would be overwritten by merge.*" |
| ); |
| |
| private static final Pattern[] RESET_PATTERNS = new Pattern[]{Pattern.compile( |
| ".*Entry '(.*)' not uptodate. Cannot merge.*" |
| ), |
| Pattern.compile( |
| ".*Entry '(.*)' would be overwritten by merge.*" |
| )}; |
| |
| // common for checkout and merge |
| public static final Event NEW_PATTERN = new Event( |
| "Your local changes to the following files would be overwritten by", |
| "commit your changes or stash them before"); |
| |
| @NotNull private final Operation myOperation; |
| |
| public enum Operation { |
| CHECKOUT(OLD_CHECKOUT_PATTERN), |
| MERGE(OLD_MERGE_PATTERN), |
| RESET(RESET_PATTERNS); |
| |
| @NotNull private final Pattern[] myPatterns; |
| |
| Operation(@NotNull Pattern... patterns) { |
| myPatterns = patterns; |
| } |
| |
| @NotNull |
| Pattern[] getPatterns() { |
| return myPatterns; |
| } |
| } |
| |
| public GitLocalChangesWouldBeOverwrittenDetector(@NotNull VirtualFile root, @NotNull Operation operation) { |
| super(NEW_PATTERN, root); |
| myOperation = operation; |
| } |
| |
| @Override |
| public void onLineAvailable(@NotNull String line, @NotNull Key outputType) { |
| super.onLineAvailable(line, outputType); |
| for (Pattern pattern : myOperation.getPatterns()) { |
| Matcher m = pattern.matcher(line); |
| if (m.matches()) { |
| myMessageDetected = true; |
| myAffectedFiles.add(m.group(1)); |
| break; |
| } |
| } |
| } |
| } |