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- /*
- * Copyright (C) 2008, Jonas Fonseca <fonseca@diku.dk>
- * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org> and others
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Distribution License v. 1.0 which is available at
- * https://www.eclipse.org/org/documents/edl-v10.php.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
- package org.eclipse.jgit.pgm;
-
- import java.io.IOException;
- import java.util.ArrayList;
- import java.util.List;
-
- import org.eclipse.jgit.revwalk.RevCommit;
- import org.eclipse.jgit.revwalk.filter.RevFilter;
- import org.kohsuke.args4j.Argument;
- import org.kohsuke.args4j.Option;
-
- @Command(usage = "usage_MergeBase")
- class MergeBase extends TextBuiltin {
- @Option(name = "--all", usage = "usage_displayAllPossibleMergeBases")
- private boolean all;
-
- @Argument(index = 0, metaVar = "metaVar_commitish", required = true)
- void commit_0(final RevCommit c) {
- commits.add(c);
- }
-
- @Argument(index = 1, metaVar = "metaVar_commitish", required = true)
- private List<RevCommit> commits = new ArrayList<>();
-
- /** {@inheritDoc} */
- @Override
- protected void run() {
- try {
- for (RevCommit c : commits) {
- argWalk.markStart(c);
- }
- argWalk.setRevFilter(RevFilter.MERGE_BASE);
- int max = all ? Integer.MAX_VALUE : 1;
- while (max-- > 0) {
- final RevCommit b = argWalk.next();
- if (b == null) {
- break;
- }
- outw.println(b.getId().name());
- }
- } catch (IOException e) {
- throw die(e.getMessage(), e);
- }
- }
- }
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