Package org.eclipse.jgit.api

Class MergeCommand

java.lang.Object

org.eclipse.jgit.api.GitCommand<MergeResult>

org.eclipse.jgit.api.MergeCommand

All Implemented Interfaces:

Callable<MergeResult>

public class MergeCommand
extends GitCommand<MergeResult>

A class used to execute a Merge command. It has setters for all supported options and arguments of this command and a call() method to finally execute the command. Each instance of this class should only be used for one invocation of the command (means: one call to call())

See Also:

Git documentation about Merge

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	MergeCommand.FastForwardMode	The modes available for fast forward merges corresponding to the --ff, --no-ff and --ff-only options under branch.<name>.mergeoptions.

Field Summary

Fields inherited from class org.eclipse.jgit.api.GitCommand

repo

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	MergeCommand(Repository repo)

Method Summary

Modifier and Type	Method	Description
MergeResult	call()	Executes the Merge command with all the options and parameters collected by the setter methods (e.g.
MergeCommand	include(String name, AnyObjectId aCommit)
MergeCommand	include(AnyObjectId aCommit)
MergeCommand	include(Ref aCommit)
MergeCommand	setCommit(boolean commit)	Controls whether the merge command should automatically commit after a successful merge
MergeCommand	setFastForward(MergeCommand.FastForwardMode fastForwardMode)	Sets the fast forward mode.
MergeCommand	setMessage(String message)	Set the commit message to be used for the merge commit (in case one is created)
MergeCommand	setSquash(boolean squash)	If true, will prepare the next commit in working tree and index as if a real merge happened, but do not make the commit or move the HEAD.
MergeCommand	setStrategy(MergeStrategy mergeStrategy)

Methods inherited from class org.eclipse.jgit.api.GitCommand

checkCallable, getRepository, setCallable

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MergeCommand

protected MergeCommand(Repository repo)

Parameters:

repo -

Method Detail

call

public MergeResult call()
                 throws GitAPIException,
                        NoHeadException,
                        ConcurrentRefUpdateException,
                        CheckoutConflictException,
                        InvalidMergeHeadsException,
                        WrongRepositoryStateException,
                        NoMessageException

Executes the Merge command with all the options and parameters collected by the setter methods (e.g. include(Ref)) of this class. Each instance of this class should only be used for one invocation of the command. Don't call this method twice on an instance.

Specified by:

call in interface Callable<MergeResult>

Specified by:

call in class GitCommand<MergeResult>

Returns:

the result of the merge

Throws:

GitAPIException - or subclass thereof when an error occurs

NoHeadException

ConcurrentRefUpdateException

CheckoutConflictException

InvalidMergeHeadsException

WrongRepositoryStateException

NoMessageException

setStrategy

public MergeCommand setStrategy(MergeStrategy mergeStrategy)

Parameters:

mergeStrategy - the MergeStrategy to be used

Returns:

this

include

public MergeCommand include(Ref aCommit)

Parameters:

aCommit - a reference to a commit which is merged with the current head

Returns:

this

include

public MergeCommand include(AnyObjectId aCommit)

Parameters:

aCommit - the Id of a commit which is merged with the current head

Returns:

this

include

public MergeCommand include(String name,
                            AnyObjectId aCommit)

Parameters:

name - a name given to the commit

aCommit - the Id of a commit which is merged with the current head

Returns:

this

setSquash

public MergeCommand setSquash(boolean squash)

If true, will prepare the next commit in working tree and index as if a real merge happened, but do not make the commit or move the HEAD. Otherwise, perform the merge and commit the result.

In case the merge was successful but this flag was set to true a MergeResult with status MergeResult.MergeStatus.MERGED_SQUASHED or MergeResult.MergeStatus.FAST_FORWARD_SQUASHED is returned.

Parameters:

squash - whether to squash commits or not

Returns:

this

Since:

2.0

setFastForward

public MergeCommand setFastForward(MergeCommand.FastForwardMode fastForwardMode)

Sets the fast forward mode.

Parameters:

fastForwardMode - corresponds to the --ff/--no-ff/--ff-only options. --ff is the default option.

Returns:

this

Since:

2.2

setCommit

public MergeCommand setCommit(boolean commit)

Controls whether the merge command should automatically commit after a successful merge

Parameters:

commit - true if this command should commit (this is the default behavior). false if this command should not commit. In case the merge was successful but this flag was set to false a MergeResult with type MergeResult with status MergeResult.MergeStatus.MERGED_NOT_COMMITTED is returned

Returns:

this

Since:

3.0

setMessage

public MergeCommand setMessage(String message)

Set the commit message to be used for the merge commit (in case one is created)

Parameters:

message - the message to be used for the merge commit

Returns:

this

Since:

3.5