package com.atlassian.jgitflow.core;
import java.io.IOException;
import com.atlassian.jgitflow.core.exception.*;
import com.atlassian.jgitflow.core.util.GitHelper;
import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.api.errors.GitAPIException;
import org.eclipse.jgit.lib.ConfigConstants;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.Ref;
import org.eclipse.jgit.lib.StoredConfig;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.jgit.transport.RefSpec;
import org.eclipse.jgit.util.StringUtils;
import static com.atlassian.jgitflow.core.util.Preconditions.checkState;
/**
* Start a hotfix.
* <p>
* This will create a new branch using the hotfix prefix and release name from the tip of develop
* </p>
* <p>
* Examples (<code>flow</code> is a {@link JGitFlow} instance):
* <p>
* Start a feature:
*
* <pre>
* flow.hotfixStart("1.0.1").call();
* </pre>
* <p>
* Perform a fetch of develop before branching
*
* <pre>
* flow.hotfixStart("1.0.1").setFetch(true).call();
* </pre>
*/
public class HotfixStartCommand extends AbstractGitFlowCommand<Ref>
{
private static final String SHORT_NAME = "hotfix-start";
private final String hotfixName;
private boolean fetch;
private boolean push;
private RevCommit startCommit;
private String startCommitString;
/**
* Create a new hotfix start command instance.
* <p></p>
* An instance of this class is usually obtained by calling {@link JGitFlow#hotfixStart(String)}
* @param hotfixName The name of the hotfix
* @param git The git instance to use
* @param gfConfig The GitFlowConfiguration to use
* @param reporter
*/
public HotfixStartCommand(String hotfixName, Git git, GitFlowConfiguration gfConfig, JGitFlowReporter reporter)
{
super(git, gfConfig, reporter);
checkState(!StringUtils.isEmptyOrNull(hotfixName));
this.hotfixName = hotfixName;
this.fetch = false;
this.push = false;
}
@Override
public HotfixStartCommand setAllowUntracked(boolean allow)
{
super.setAllowUntracked(allow);
return this;
}
/**
*
* @return A reference to the new hotfix branch
* @throws NotInitializedException
* @throws JGitFlowGitAPIException
* @throws HotfixBranchExistsException
* @throws DirtyWorkingTreeException
* @throws JGitFlowIOException
* @throws LocalBranchExistsException
* @throws TagExistsException
* @throws BranchOutOfDateException
*/
@Override
public Ref call() throws NotInitializedException, JGitFlowGitAPIException, HotfixBranchExistsException, DirtyWorkingTreeException, JGitFlowIOException, LocalBranchExistsException, TagExistsException, BranchOutOfDateException, LocalBranchMissingException, RemoteBranchExistsException
{
String prefixedHotfixName = gfConfig.getPrefixValue(JGitFlowConstants.PREFIXES.HOTFIX.configKey()) + hotfixName;
requireGitFlowInitialized();
requireNoExistingHotfixBranches();
requireCleanWorkingTree();
requireLocalBranchAbsent(prefixedHotfixName);
try
{
if (fetch)
{
RefSpec spec = new RefSpec("+" + Constants.R_HEADS + gfConfig.getMaster() + ":" + Constants.R_REMOTES + "origin/" + gfConfig.getMaster());
git.fetch().setRefSpecs(spec).call();
}
requireTagAbsent(gfConfig.getPrefixValue(JGitFlowConstants.PREFIXES.VERSIONTAG.configKey()) + hotfixName);
if (GitHelper.remoteBranchExists(git, gfConfig.getMaster(), reporter))
{
requireLocalBranchNotBehindRemote(gfConfig.getMaster());
}
RevCommit startPoint = null;
if(null != startCommit)
{
startPoint = startCommit;
}
else if(!StringUtils.isEmptyOrNull(startCommitString))
{
startPoint = GitHelper.getCommitForString(git,startCommitString);
}
else
{
startPoint = GitHelper.getLatestCommit(git, gfConfig.getMaster());
}
requireCommitOnBranch(startPoint,gfConfig.getMaster());
Ref newBranch = git.checkout()
.setName(prefixedHotfixName)
.setCreateBranch(true)
.setStartPoint(startPoint)
.call();
if (push)
{
requireRemoteBranchAbsent(prefixedHotfixName);
RefSpec branchSpec = new RefSpec(prefixedHotfixName + ":" + Constants.R_HEADS + prefixedHotfixName);
git.push().setRemote("origin").setRefSpecs(branchSpec).call();
git.fetch().setRemote("origin").call();
//setup tracking
StoredConfig config = git.getRepository().getConfig();
config.setString(ConfigConstants.CONFIG_BRANCH_SECTION, prefixedHotfixName, ConfigConstants.CONFIG_KEY_REMOTE, "origin");
config.setString(ConfigConstants.CONFIG_BRANCH_SECTION, prefixedHotfixName, ConfigConstants.CONFIG_KEY_MERGE, Constants.R_HEADS + prefixedHotfixName);
config.save();
}
return newBranch;
}
catch (GitAPIException e)
{
throw new JGitFlowGitAPIException(e);
}
catch (IOException e)
{
throw new JGitFlowIOException(e);
}
}
/**
* Set whether to perform a git fetch of the remote develop branch before branching
* @param fetch
* <code>true</code> to do the fetch, <code>false</code>(default) otherwise
* @return {@code this}
*/
public HotfixStartCommand setFetch(boolean fetch)
{
this.fetch = fetch;
return this;
}
public HotfixStartCommand setStartCommit(String commitId)
{
this.startCommitString = commitId;
return this;
}
public HotfixStartCommand setStartCommit(RevCommit commit)
{
this.startCommit = commit;
return this;
}
/**
* Set whether to push the changes to the remote repository
*
* @param push <code>true</code> to do the push, <code>false</code>(default) otherwise
* @return {@code this}
*/
public HotfixStartCommand setPush(boolean push)
{
this.push = push;
return this;
}
@Override
protected String getCommandName()
{
return SHORT_NAME;
}
}