diff options
Diffstat (limited to 'org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Merge.java')
| -rw-r--r-- | org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Merge.java | 285 |
1 files changed, 151 insertions, 134 deletions
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Merge.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Merge.java index 93c4388dbc..b78998dd74 100644 --- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Merge.java +++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Merge.java @@ -1,61 +1,32 @@ /* - * Copyright (C) 2011, 2014 Christian Halstrick <christian.halstrick@sap.com> - * and other copyright owners as documented in the project's IP log. + * Copyright (C) 2011, 2014 Christian Halstrick <christian.halstrick@sap.com> and others * - * This program and the accompanying materials are made available - * under the terms of the Eclipse Distribution License v1.0 which - * accompanies this distribution, is reproduced below, and is - * available at http://www.eclipse.org/org/documents/edl-v10.php + * 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. * - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or - * without modification, are permitted provided that the following - * conditions are met: - * - * - Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * - Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following - * disclaimer in the documentation and/or other materials provided - * with the distribution. - * - * - Neither the name of the Eclipse Foundation, Inc. nor the - * names of its contributors may be used to endorse or promote - * products derived from this software without specific prior - * written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND - * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, - * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF - * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * SPDX-License-Identifier: BSD-3-Clause */ package org.eclipse.jgit.pgm; +import static org.eclipse.jgit.lib.Constants.OBJECT_ID_ABBREV_STRING_LENGTH; + import java.io.IOException; import java.text.MessageFormat; import java.util.Map; import org.eclipse.jgit.api.Git; import org.eclipse.jgit.api.MergeCommand; -import org.eclipse.jgit.api.MergeResult; import org.eclipse.jgit.api.MergeCommand.FastForwardMode; +import org.eclipse.jgit.api.MergeResult; import org.eclipse.jgit.api.errors.CheckoutConflictException; +import org.eclipse.jgit.api.errors.GitAPIException; import org.eclipse.jgit.lib.AnyObjectId; import org.eclipse.jgit.lib.Constants; import org.eclipse.jgit.lib.ObjectId; import org.eclipse.jgit.lib.Ref; +import org.eclipse.jgit.merge.ContentMergeStrategy; import org.eclipse.jgit.merge.MergeStrategy; import org.eclipse.jgit.merge.ResolveMerger.MergeFailureReason; import org.eclipse.jgit.pgm.internal.CLIText; @@ -101,117 +72,163 @@ class Merge extends TextBuiltin { @Option(name = "-m", usage = "usage_message") private String message; + private ContentMergeStrategy contentStrategy = null; + + @Option(name = "--strategy-option", aliases = { "-X" }, + metaVar = "metaVar_extraArgument", usage = "usage_extraArgument") + void extraArg(String name) { + if (ContentMergeStrategy.OURS.name().equalsIgnoreCase(name)) { + contentStrategy = ContentMergeStrategy.OURS; + } else if (ContentMergeStrategy.THEIRS.name().equalsIgnoreCase(name)) { + contentStrategy = ContentMergeStrategy.THEIRS; + } else { + throw die(MessageFormat.format(CLIText.get().unknownExtraArgument, name)); + } + } + @Override - protected void run() throws Exception { - if (squash && ff == FastForwardMode.NO_FF) + protected void run() { + if (squash && ff == FastForwardMode.NO_FF) { throw die(CLIText.get().cannotCombineSquashWithNoff); + } // determine the merge strategy if (strategyName != null) { mergeStrategy = MergeStrategy.get(strategyName); - if (mergeStrategy == null) + if (mergeStrategy == null) { throw die(MessageFormat.format( CLIText.get().unknownMergeStrategy, strategyName)); + } } - // determine the other revision we want to merge with HEAD - final Ref srcRef = db.getRef(ref); - final ObjectId src = db.resolve(ref + "^{commit}"); //$NON-NLS-1$ - if (src == null) - throw die(MessageFormat.format( - CLIText.get().refDoesNotExistOrNoCommit, ref)); - - Ref oldHead = db.getRef(Constants.HEAD); - Git git = new Git(db); - MergeCommand mergeCmd = git.merge().setStrategy(mergeStrategy) - .setSquash(squash).setFastForward(ff).setCommit(!noCommit); - if (srcRef != null) - mergeCmd.include(srcRef); - else - mergeCmd.include(src); - - if (message != null) - mergeCmd.setMessage(message); - - MergeResult result; try { - result = mergeCmd.call(); - } catch (CheckoutConflictException e) { - result = new MergeResult(e.getConflictingPaths()); // CHECKOUT_CONFLICT - } + // determine the other revision we want to merge with HEAD + final Ref srcRef = db.findRef(ref); + final ObjectId src = db.resolve(ref + "^{commit}"); //$NON-NLS-1$ + if (src == null) { + throw die(MessageFormat + .format(CLIText.get().refDoesNotExistOrNoCommit, ref)); + } + + Ref oldHead = getOldHead(); + MergeResult result; + try (Git git = new Git(db)) { + MergeCommand mergeCmd = git.merge() + .setStrategy(mergeStrategy) + .setContentMergeStrategy(contentStrategy) + .setSquash(squash) + .setFastForward(ff) + .setCommit(!noCommit); + if (srcRef != null) { + mergeCmd.include(srcRef); + } else { + mergeCmd.include(src); + } + + if (message != null) { + mergeCmd.setMessage(message); + } - switch (result.getMergeStatus()) { - case ALREADY_UP_TO_DATE: - if (squash) - outw.print(CLIText.get().nothingToSquash); - outw.println(CLIText.get().alreadyUpToDate); - break; - case FAST_FORWARD: - ObjectId oldHeadId = oldHead.getObjectId(); - outw.println(MessageFormat.format(CLIText.get().updating, oldHeadId - .abbreviate(7).name(), result.getNewHead().abbreviate(7) - .name())); - outw.println(result.getMergeStatus().toString()); - break; - case CHECKOUT_CONFLICT: - outw.println(CLIText.get().mergeCheckoutConflict); - for (String collidingPath : result.getCheckoutConflicts()) - outw.println("\t" + collidingPath); //$NON-NLS-1$ - outw.println(CLIText.get().mergeCheckoutFailed); - break; - case CONFLICTING: - for (String collidingPath : result.getConflicts().keySet()) - outw.println(MessageFormat.format(CLIText.get().mergeConflict, - collidingPath)); - outw.println(CLIText.get().mergeFailed); - break; - case FAILED: - for (Map.Entry<String, MergeFailureReason> entry : result - .getFailingPaths().entrySet()) - switch (entry.getValue()) { - case DIRTY_WORKTREE: - case DIRTY_INDEX: - outw.println(CLIText.get().dontOverwriteLocalChanges); - outw.println(" " + entry.getKey()); //$NON-NLS-1$ - break; - case COULD_NOT_DELETE: - outw.println(CLIText.get().cannotDeleteFile); - outw.println(" " + entry.getKey()); //$NON-NLS-1$ - break; + try { + result = mergeCmd.call(); + } catch (CheckoutConflictException e) { + result = new MergeResult(e.getConflictingPaths()); // CHECKOUT_CONFLICT + } + } + + switch (result.getMergeStatus()) { + case ALREADY_UP_TO_DATE: + if (squash) { + outw.print(CLIText.get().nothingToSquash); + } + outw.println(CLIText.get().alreadyUpToDate); + break; + case FAST_FORWARD: + ObjectId oldHeadId = oldHead.getObjectId(); + if (oldHeadId != null) { + String oldId = oldHeadId + .abbreviate(OBJECT_ID_ABBREV_STRING_LENGTH).name(); + String newId = result.getNewHead() + .abbreviate(OBJECT_ID_ABBREV_STRING_LENGTH).name(); + outw.println(MessageFormat.format(CLIText.get().updating, + oldId, newId)); } - break; - case MERGED: - String name; - if (!isMergedInto(oldHead, src)) - name = mergeStrategy.getName(); - else - name = "recursive"; //$NON-NLS-1$ - outw.println(MessageFormat.format(CLIText.get().mergeMadeBy, name)); - break; - case MERGED_NOT_COMMITTED: - outw.println(CLIText.get().mergeWentWellStoppedBeforeCommitting); - break; - case MERGED_SQUASHED: - case FAST_FORWARD_SQUASHED: - case MERGED_SQUASHED_NOT_COMMITTED: - outw.println(CLIText.get().mergedSquashed); - outw.println(CLIText.get().mergeWentWellStoppedBeforeCommitting); - break; - case ABORTED: - throw die(CLIText.get().ffNotPossibleAborting); - case NOT_SUPPORTED: - outw.println(MessageFormat.format( - CLIText.get().unsupportedOperation, result.toString())); + outw.println(result.getMergeStatus().toString()); + break; + case CHECKOUT_CONFLICT: + outw.println(CLIText.get().mergeCheckoutConflict); + for (String collidingPath : result.getCheckoutConflicts()) { + outw.println("\t" + collidingPath); //$NON-NLS-1$ + } + outw.println(CLIText.get().mergeCheckoutFailed); + break; + case CONFLICTING: + for (String collidingPath : result.getConflicts().keySet()) + outw.println(MessageFormat.format( + CLIText.get().mergeConflict, collidingPath)); + outw.println(CLIText.get().mergeFailed); + break; + case FAILED: + for (Map.Entry<String, MergeFailureReason> entry : result + .getFailingPaths().entrySet()) + switch (entry.getValue()) { + case DIRTY_WORKTREE: + case DIRTY_INDEX: + outw.println(CLIText.get().dontOverwriteLocalChanges); + outw.println(" " + entry.getKey()); //$NON-NLS-1$ + break; + case COULD_NOT_DELETE: + outw.println(CLIText.get().cannotDeleteFile); + outw.println(" " + entry.getKey()); //$NON-NLS-1$ + break; + } + break; + case MERGED: + MergeStrategy strategy = isMergedInto(oldHead, src) + ? MergeStrategy.RECURSIVE + : mergeStrategy; + outw.println(MessageFormat.format(CLIText.get().mergeMadeBy, + strategy.getName())); + break; + case MERGED_NOT_COMMITTED: + outw.println( + CLIText.get().mergeWentWellStoppedBeforeCommitting); + break; + case MERGED_SQUASHED: + case FAST_FORWARD_SQUASHED: + case MERGED_SQUASHED_NOT_COMMITTED: + outw.println(CLIText.get().mergedSquashed); + outw.println( + CLIText.get().mergeWentWellStoppedBeforeCommitting); + break; + case ABORTED: + throw die(CLIText.get().ffNotPossibleAborting); + case NOT_SUPPORTED: + outw.println(MessageFormat.format( + CLIText.get().unsupportedOperation, result.toString())); + } + } catch (GitAPIException | IOException e) { + throw die(e.getMessage(), e); + } + + } + + private Ref getOldHead() throws IOException { + Ref oldHead = db.exactRef(Constants.HEAD); + if (oldHead == null) { + throw die(CLIText.get().onBranchToBeBorn); } + return oldHead; } private boolean isMergedInto(Ref oldHead, AnyObjectId src) throws IOException { - RevWalk revWalk = new RevWalk(db); - ObjectId oldHeadObjectId = oldHead.getPeeledObjectId(); - if (oldHeadObjectId == null) - oldHeadObjectId = oldHead.getObjectId(); - RevCommit oldHeadCommit = revWalk.lookupCommit(oldHeadObjectId); - RevCommit srcCommit = revWalk.lookupCommit(src); - return revWalk.isMergedInto(oldHeadCommit, srcCommit); + try (RevWalk revWalk = new RevWalk(db)) { + ObjectId oldHeadObjectId = oldHead.getPeeledObjectId(); + if (oldHeadObjectId == null) + oldHeadObjectId = oldHead.getObjectId(); + RevCommit oldHeadCommit = revWalk.lookupCommit(oldHeadObjectId); + RevCommit srcCommit = revWalk.lookupCommit(src); + return revWalk.isMergedInto(oldHeadCommit, srcCommit); + } } } |