pgm: Handle exceptions in Merge command
This avoids we show a stacktrace on the console by default when this type of exception is thrown during the run method is executed. Change-Id: I7afd038d8def9d2f409c0ed297b9db8ea2fc75c1 Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
This commit is contained in:
Matthias Sohn
parent
0eb0d6c58f
commit
67910b0570
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@ -52,6 +52,7 @@
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import org.eclipse.jgit.api.MergeCommand.FastForwardMode;
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import org.eclipse.jgit.api.MergeResult;
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import org.eclipse.jgit.api.errors.CheckoutConflictException;
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import org.eclipse.jgit.api.errors.GitAPIException;
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import org.eclipse.jgit.lib.AnyObjectId;
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import org.eclipse.jgit.lib.Constants;
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import org.eclipse.jgit.lib.ObjectId;
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@ -103,7 +104,7 @@ void ffonly(@SuppressWarnings("unused") final boolean ignored) {
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/** {@inheritDoc} */
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@Override
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protected void run() throws Exception {
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protected void run() {
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if (squash && ff == FastForwardMode.NO_FF)
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throw die(CLIText.get().cannotCombineSquashWithNoff);
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// determine the merge strategy
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@ -114,99 +115,108 @@ protected void run() throws Exception {
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CLIText.get().unknownMergeStrategy, strategyName));
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}
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// determine the other revision we want to merge with HEAD
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final Ref srcRef = db.findRef(ref);
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final ObjectId src = db.resolve(ref + "^{commit}"); //$NON-NLS-1$
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if (src == null)
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throw die(MessageFormat.format(
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CLIText.get().refDoesNotExistOrNoCommit, ref));
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try {
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// determine the other revision we want to merge with HEAD
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final Ref srcRef = db.findRef(ref);
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final ObjectId src = db.resolve(ref + "^{commit}"); //$NON-NLS-1$
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if (src == null)
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throw die(MessageFormat
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.format(CLIText.get().refDoesNotExistOrNoCommit, ref));
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Ref oldHead = getOldHead();
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MergeResult result;
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try (Git git = new Git(db)) {
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MergeCommand mergeCmd = git.merge().setStrategy(mergeStrategy)
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.setSquash(squash).setFastForward(ff).setCommit(!noCommit);
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if (srcRef != null)
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mergeCmd.include(srcRef);
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else
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mergeCmd.include(src);
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Ref oldHead = getOldHead();
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MergeResult result;
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try (Git git = new Git(db)) {
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MergeCommand mergeCmd = git.merge().setStrategy(mergeStrategy)
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.setSquash(squash).setFastForward(ff)
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.setCommit(!noCommit);
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if (srcRef != null)
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mergeCmd.include(srcRef);
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else
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mergeCmd.include(src);
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if (message != null)
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mergeCmd.setMessage(message);
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if (message != null)
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mergeCmd.setMessage(message);
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try {
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result = mergeCmd.call();
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} catch (CheckoutConflictException e) {
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result = new MergeResult(e.getConflictingPaths()); // CHECKOUT_CONFLICT
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}
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}
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switch (result.getMergeStatus()) {
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case ALREADY_UP_TO_DATE:
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if (squash)
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outw.print(CLIText.get().nothingToSquash);
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outw.println(CLIText.get().alreadyUpToDate);
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break;
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case FAST_FORWARD:
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ObjectId oldHeadId = oldHead.getObjectId();
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if (oldHeadId != null) {
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String oldId = oldHeadId.abbreviate(7).name();
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String newId = result.getNewHead().abbreviate(7).name();
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outw.println(MessageFormat.format(CLIText.get().updating, oldId,
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newId));
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}
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outw.println(result.getMergeStatus().toString());
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break;
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case CHECKOUT_CONFLICT:
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outw.println(CLIText.get().mergeCheckoutConflict);
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for (String collidingPath : result.getCheckoutConflicts())
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outw.println("\t" + collidingPath); //$NON-NLS-1$
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outw.println(CLIText.get().mergeCheckoutFailed);
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break;
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case CONFLICTING:
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for (String collidingPath : result.getConflicts().keySet())
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outw.println(MessageFormat.format(CLIText.get().mergeConflict,
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collidingPath));
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outw.println(CLIText.get().mergeFailed);
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break;
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case FAILED:
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for (Map.Entry<String, MergeFailureReason> entry : result
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.getFailingPaths().entrySet())
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switch (entry.getValue()) {
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case DIRTY_WORKTREE:
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case DIRTY_INDEX:
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outw.println(CLIText.get().dontOverwriteLocalChanges);
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outw.println(" " + entry.getKey()); //$NON-NLS-1$
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break;
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case COULD_NOT_DELETE:
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outw.println(CLIText.get().cannotDeleteFile);
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outw.println(" " + entry.getKey()); //$NON-NLS-1$
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break;
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try {
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result = mergeCmd.call();
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} catch (CheckoutConflictException e) {
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result = new MergeResult(e.getConflictingPaths()); // CHECKOUT_CONFLICT
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}
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break;
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case MERGED:
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String name;
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if (!isMergedInto(oldHead, src))
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name = mergeStrategy.getName();
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else
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name = "recursive"; //$NON-NLS-1$
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outw.println(MessageFormat.format(CLIText.get().mergeMadeBy, name));
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break;
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case MERGED_NOT_COMMITTED:
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outw.println(CLIText.get().mergeWentWellStoppedBeforeCommitting);
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break;
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case MERGED_SQUASHED:
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case FAST_FORWARD_SQUASHED:
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case MERGED_SQUASHED_NOT_COMMITTED:
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outw.println(CLIText.get().mergedSquashed);
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outw.println(CLIText.get().mergeWentWellStoppedBeforeCommitting);
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break;
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case ABORTED:
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throw die(CLIText.get().ffNotPossibleAborting);
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case NOT_SUPPORTED:
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outw.println(MessageFormat.format(
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CLIText.get().unsupportedOperation, result.toString()));
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}
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switch (result.getMergeStatus()) {
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case ALREADY_UP_TO_DATE:
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if (squash)
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outw.print(CLIText.get().nothingToSquash);
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outw.println(CLIText.get().alreadyUpToDate);
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break;
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case FAST_FORWARD:
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ObjectId oldHeadId = oldHead.getObjectId();
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if (oldHeadId != null) {
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String oldId = oldHeadId.abbreviate(7).name();
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String newId = result.getNewHead().abbreviate(7).name();
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outw.println(MessageFormat.format(CLIText.get().updating,
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oldId, newId));
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}
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outw.println(result.getMergeStatus().toString());
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break;
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case CHECKOUT_CONFLICT:
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outw.println(CLIText.get().mergeCheckoutConflict);
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for (String collidingPath : result.getCheckoutConflicts())
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outw.println("\t" + collidingPath); //$NON-NLS-1$
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outw.println(CLIText.get().mergeCheckoutFailed);
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break;
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case CONFLICTING:
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for (String collidingPath : result.getConflicts().keySet())
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outw.println(MessageFormat.format(
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CLIText.get().mergeConflict, collidingPath));
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outw.println(CLIText.get().mergeFailed);
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break;
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case FAILED:
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for (Map.Entry<String, MergeFailureReason> entry : result
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.getFailingPaths().entrySet())
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switch (entry.getValue()) {
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case DIRTY_WORKTREE:
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case DIRTY_INDEX:
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outw.println(CLIText.get().dontOverwriteLocalChanges);
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outw.println(" " + entry.getKey()); //$NON-NLS-1$
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break;
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case COULD_NOT_DELETE:
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outw.println(CLIText.get().cannotDeleteFile);
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outw.println(" " + entry.getKey()); //$NON-NLS-1$
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break;
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}
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break;
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case MERGED:
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String name;
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if (!isMergedInto(oldHead, src))
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name = mergeStrategy.getName();
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else
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name = "recursive"; //$NON-NLS-1$
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outw.println(
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MessageFormat.format(CLIText.get().mergeMadeBy, name));
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break;
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case MERGED_NOT_COMMITTED:
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outw.println(
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CLIText.get().mergeWentWellStoppedBeforeCommitting);
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break;
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case MERGED_SQUASHED:
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case FAST_FORWARD_SQUASHED:
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case MERGED_SQUASHED_NOT_COMMITTED:
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outw.println(CLIText.get().mergedSquashed);
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outw.println(
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CLIText.get().mergeWentWellStoppedBeforeCommitting);
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break;
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case ABORTED:
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throw die(CLIText.get().ffNotPossibleAborting);
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case NOT_SUPPORTED:
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outw.println(MessageFormat.format(
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CLIText.get().unsupportedOperation, result.toString()));
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}
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} catch (GitAPIException | IOException e) {
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throw die(e.getMessage(), e);
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}
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}
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private Ref getOldHead() throws IOException {
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