#2 - Provide command to list all issue branches alongside their state in the issue tracker

.gitignore

@@ -5,4 +5,6 @@ target/
 .factorypath
 .springBeans
 application-local.properties
-spring-shell.log
+spring-shell.log
+.idea/
+*.iml

release-tools/src/main/java/org/springframework/data/release/git/Branch.java

@@ -31,7 +31,7 @@ import org.springframework.util.Assert;
  */
 @EqualsAndHashCode
 @RequiredArgsConstructor(access = AccessLevel.PRIVATE)
-class Branch {
+public class Branch implements Comparable<Branch> {
 
 	public static final Branch MASTER = new Branch("master");
 
@@ -73,7 +73,7 @@ class Branch {
 		return MASTER.equals(this);
 	}
 
-	/* 
+	/*
 	 * (non-Javadoc)
 	 * @see java.lang.Object#toString()
 	 */
@@ -81,4 +81,9 @@ class Branch {
 	public String toString() {
 		return name;
 	}
+
+	@Override
+	public int compareTo(Branch o) {
+		return name.compareToIgnoreCase(o.name);
+	}
 }

release-tools/src/main/java/org/springframework/data/release/git/Branches.java

@@ -0,0 +1,69 @@
+/*
+ * Copyright 2016 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.data.release.git;
+
+import java.util.Iterator;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import lombok.EqualsAndHashCode;
+
+import org.springframework.data.release.model.ArtifactVersion;
+import org.springframework.data.release.model.ModuleIteration;
+import org.springframework.util.Assert;
+
+/**
+ * Value object to represent a collection of {@link Branch}es.
+ * 
+ * @author Mark Paluch
+ */
+@EqualsAndHashCode
+public class Branches implements Iterable<Branch> {
+
+	private final List<Branch> branches;
+
+	/**
+	 * Creates a new {@link Branches} instance for the given {@link List} of {@link Branch}es.
+	 *
+	 * @param source must not be {@literal null}.
+	 */
+	Branches(List<Branch> source) {
+
+		Assert.notNull(source, "Tags must not be null!");
+
+		this.branches = source.stream().//
+				sorted().collect(Collectors.toList());
+	}
+
+
+	/**
+	 * Returns all {@link Branch}es as {@link List}.
+	 * 
+	 * @return
+	 */
+	public List<Branch> asList() {
+		return branches;
+	}
+
+	/* 
+	 * (non-Javadoc)
+	 * @see java.lang.Iterable#iterator()
+	 */
+	@Override
+	public Iterator<Branch> iterator() {
+		return branches.iterator();
+	}
+}

release-tools/src/main/java/org/springframework/data/release/git/GitCommands.java

@@ -15,7 +15,7 @@
  */
 package org.springframework.data.release.git;
 
-import lombok.RequiredArgsConstructor;
+import java.util.Optional;
 
 import java.util.List;
 import java.util.stream.Collectors;
@@ -23,6 +23,8 @@ import java.util.stream.Stream;
 
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.release.CliComponent;
+import org.springframework.data.release.jira.Ticket;
+import org.springframework.data.release.jira.TicketBranches;
 import org.springframework.data.release.model.Project;
 import org.springframework.data.release.model.ReleaseTrains;
 import org.springframework.data.release.model.Train;
@@ -30,8 +32,12 @@ import org.springframework.data.release.model.TrainIteration;
 import org.springframework.shell.core.CommandMarker;
 import org.springframework.shell.core.annotation.CliCommand;
 import org.springframework.shell.core.annotation.CliOption;
+import org.springframework.shell.support.table.Table;
+import org.springframework.shell.support.table.TableHeader;
 import org.springframework.util.StringUtils;
 
+import lombok.RequiredArgsConstructor;
+
 /**
  * @author Oliver Gierke
  */
@@ -67,8 +73,8 @@ public class GitCommands implements CommandMarker {
 
 	/**
 	 * Resets all projects contained in the given {@link Train}.
-	 * 
-	 * @param trainName
+	 *
+	 * @param iteration
 	 * @throws Exception
 	 */
 	@CliCommand("git reset")
@@ -84,7 +90,7 @@ public class GitCommands implements CommandMarker {
 	/**
 	 * Pushes all changes of all modules of the given {@link TrainIteration} to the remote server. If {@code tags} is
 	 * given, only the tags are pushed.
-	 * 
+	 *
 	 * @param iteration
 	 * @param tags
 	 * @throws Exception
@@ -118,4 +124,44 @@ public class GitCommands implements CommandMarker {
 
 		git.backportChangelogs(iteration, targets);
 	}
+
+	/**
+	 * List the branches with their tickets of the git repository.
+	 *
+	 * @param projectName
+	 * @return
+	 * @throws Exception
+	 */
+	@CliCommand("git issuebranches")
+	public Table issuebranches(@CliOption(key = { "" }, mandatory = true) String projectName,
+			@CliOption(key = "resolved") Boolean resolved) throws Exception {
+
+		Project project = ReleaseTrains.getProjectByName(projectName);
+
+		Table table = new Table();
+		TicketBranches ticketBranches = git.listTicketBranches(project);
+
+		table.addHeader(1, new TableHeader("Branch"));
+		table.addHeader(2, new TableHeader("Status"));
+		table.addHeader(3, new TableHeader("Description"));
+
+		ticketBranches.stream().sorted().//
+				filter(branch -> {
+					Optional<Ticket> ticket = ticketBranches.getTicket(branch);
+					if (resolved != null && resolved) {
+						if (!ticket.isPresent() || (ticket.isPresent() && ticket.get().getTicketStatus().isResolved())) {
+							return false;
+						}
+					}
+
+					return true;
+				}).//
+				forEachOrdered(branch -> {
+					Optional<Ticket> ticket = ticketBranches.getTicket(branch);
+					table.addRow(branch.toString(), ticket.map(t -> t.getTicketStatus().getLabel()).orElse(""),
+							ticket.map(t -> t.getSummary()).orElse(""));
+				});
+
+		return table;
+	}
 }

release-tools/src/main/java/org/springframework/data/release/git/GitOperations.java

@@ -15,19 +15,26 @@
  */
 package org.springframework.data.release.git;
 
-import lombok.RequiredArgsConstructor;
-
 import java.io.File;
 import java.io.IOException;
+import java.util.Collection;
 import java.util.List;
+import java.util.HashMap;
+import java.util.Map;
 import java.util.Optional;
+import java.util.Set;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 import java.util.stream.Collectors;
 
+import lombok.RequiredArgsConstructor;
+
 import org.eclipse.jgit.api.CheckoutCommand;
 import org.eclipse.jgit.api.CreateBranchCommand.SetupUpstreamMode;
 import org.eclipse.jgit.api.Git;
 import org.eclipse.jgit.api.ResetCommand.ResetType;
 import org.eclipse.jgit.api.errors.RefNotFoundException;
+import org.eclipse.jgit.lib.Constants;
 import org.eclipse.jgit.lib.ObjectId;
 import org.eclipse.jgit.lib.Ref;
 import org.eclipse.jgit.lib.Repository;
@@ -40,6 +47,7 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.release.io.Workspace;
 import org.springframework.data.release.jira.IssueTracker;
 import org.springframework.data.release.jira.Ticket;
+import org.springframework.data.release.jira.TicketBranches;
 import org.springframework.data.release.model.ArtifactVersion;
 import org.springframework.data.release.model.ModuleIteration;
 import org.springframework.data.release.model.Project;
@@ -93,7 +101,7 @@ public class GitOperations {
 
 	/**
 	 * Checks out all projects of the given {@link TrainIteration}.
-	 * 
+	 *
 	 * @param train
 	 * @throws Exception
 	 */
@@ -269,6 +277,63 @@ public class GitOperations {
 		});
 	}
 
+	/**
+	 * Retrieve a list of remote branches where their related ticket is resolved.
+	 * 
+	 * @param project
+	 * @return
+	 */
+	public TicketBranches listTicketBranches(Project project) {
+
+		IssueTracker tracker = issueTracker.getPluginFor(project);
+
+		try (Git git = new Git(getRepository(project))) {
+			update(project);
+			Pattern pattern = Pattern.compile(project.getTracker().getTicketPattern());
+
+			Collection<Ref> branches = git.lsRemote().setHeads(true).setTags(false).call();
+
+			Set<String> possibleTicketIds = branches.stream().//
+					filter(branch -> pattern.matcher(branch.getName()).find()).//
+					map(branch -> {
+						Matcher matcher = pattern.matcher(branch.getName());
+						matcher.find();
+						return matcher.group(1);
+					}).//
+					collect(Collectors.toSet());
+
+			Collection<Ticket> tickets = tracker.findTickets(project, possibleTicketIds);
+			Map<String, Ticket> ticketMap = tickets.stream().collect(Collectors.toMap(Ticket::getId, ticket -> ticket));
+
+			Map<Branch, Ticket> ticketBranches = new HashMap<>();
+			branches.stream().//
+					map(branch -> {
+						if (branch.getName().startsWith(Constants.R_HEADS)) {
+							return branch.getName().substring(Constants.R_HEADS.length());
+						}
+
+						if (branch.getName().startsWith(Constants.R_REMOTES)) {
+							return branch.getName().substring(Constants.R_REMOTES.length());
+						}
+						return branch.getName();
+					}).filter(branchName -> {
+						Matcher matcher = pattern.matcher(branchName);
+						return matcher.find();
+					}).//
+					forEach((branchName) -> {
+
+						Matcher matcher = pattern.matcher(branchName);
+						matcher.find();
+						String ticketId = matcher.group(1);
+						ticketBranches.put(Branch.from(branchName), ticketMap.get(ticketId));
+					});
+
+			return TicketBranches.from(ticketBranches);
+		} catch (Exception o_O) {
+			throw new RuntimeException(o_O);
+		}
+	}
+
 	public void tagRelease(TrainIteration iteration) {
 
 		ExecutionUtils.run(iteration, module -> {
@@ -300,7 +365,7 @@ public class GitOperations {
 	/**
 	 * Commits all changes currently made to all modules of the given {@link TrainIteration}. The summary can contain a
 	 * single {@code %s} placeholder which the version of the current module will get replace into.
-	 * 
+	 *
 	 * @param iteration must not be {@literal null}.
 	 * @param summary must not be {@literal null} or empty.
 	 * @throws Exception
@@ -328,7 +393,7 @@ public class GitOperations {
 	/**
 	 * Commits the given files for the given {@link ModuleIteration} using the given summary for the commit message. If no
 	 * files are given, all pending changes are committed.
-	 * 
+	 *
 	 * @param module must not be {@literal null}.
 	 * @param summary must not be {@literal null} or empty.
 	 * @param files can be empty.
@@ -505,7 +570,7 @@ public class GitOperations {
 	 * starting with the release ticket identifier, followed by a dash separated by spaces and the key word
 	 * {@code Release}. To prevent skimming through the entire Git history, we expect such a commit to be found within the
 	 * 50 most recent commits.
-	 * 
+	 *
 	 * @param module
 	 * @return
 	 * @throws Exception

release-tools/src/main/java/org/springframework/data/release/jira/GitHubIssue.java

@@ -27,6 +27,7 @@ class GitHubIssue {
 
 	private String number;
 	private String title;
+	private String state;
 
 	public String getId() {
 		return "#".concat(number);

release-tools/src/main/java/org/springframework/data/release/jira/GitHubIssueTracker.java

@@ -15,8 +15,6 @@
  */
 package org.springframework.data.release.jira;
 
-import lombok.RequiredArgsConstructor;
-
 import java.net.URI;
 import java.util.Arrays;
 import java.util.HashMap;
@@ -24,6 +22,9 @@ import java.util.List;
 import java.util.Map;
 import java.util.stream.Collectors;
 
+import lombok.RequiredArgsConstructor;
+
+import org.springframework.cache.annotation.CacheEvict;
 import org.springframework.cache.annotation.Cacheable;
 import org.springframework.context.ConfigurableApplicationContext;
 import org.springframework.context.support.ClassPathXmlApplicationContext;
@@ -41,6 +42,8 @@ import org.springframework.data.release.utils.Logger;
 import org.springframework.http.HttpEntity;
 import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpMethod;
+import org.springframework.http.HttpStatus;
+import org.springframework.web.client.HttpStatusCodeException;
 import org.springframework.web.client.RestOperations;
 import org.springframework.web.util.UriTemplate;
 
@@ -48,19 +51,34 @@ import org.springframework.web.util.UriTemplate;
  * @author Oliver Gierke
  */
 @RequiredArgsConstructor
-class GitHubIssueTracker implements IssueTracker {
+class GitHubIssueTracker implements GitHubConnector {
 
 	private static final String MILESTONE_URI = "https://api.github.com/repos/spring-projects/{repoName}/milestones?state={state}";
-	private static final String URI_TEMPLATE = "https://api.github.com/repos/spring-projects/{repoName}/issues?milestone={id}&state=all";
+	private static final String ISSUES_BY_MILESTONE_URI_TEMPLATE = "https://api.github.com/repos/spring-projects/{repoName}/issues?milestone={id}&state=all";
+	private static final String ISSUE_BY_ID_URI_TEMPLATE = "https://api.github.com/repos/spring-projects/{repoName}/issues/{id}";
 
-	private static final ParameterizedTypeReference<List<GitHubMilestone>> MILESTONES_TYPE = new ParameterizedTypeReference<List<GitHubMilestone>>() {};
-	private static final ParameterizedTypeReference<List<GitHubIssue>> ISSUES_TYPE = new ParameterizedTypeReference<List<GitHubIssue>>() {};
+	private static final ParameterizedTypeReference<List<GitHubMilestone>> MILESTONES_TYPE = new ParameterizedTypeReference<List<GitHubMilestone>>() {
+	};
+	private static final ParameterizedTypeReference<List<GitHubIssue>> ISSUES_TYPE = new ParameterizedTypeReference<List<GitHubIssue>>() {
+	};
+	private static final ParameterizedTypeReference<GitHubIssue> ISSUE_TYPE = new ParameterizedTypeReference<GitHubIssue>() {
+	};
 
 	private final RestOperations operations;
 	private final Logger logger;
 	private final GitProperties properties;
 
-	/* 
+	/*
+	 * (non-Javadoc)
+	 * @see org.springframework.data.release.jira.JiraConnector#flushTickets()
+	 */
+	@Override
+	@CacheEvict(value = "tickets", allEntries = true)
+	public void reset() {
+
+	}
+
+	/*
 	 * (non-Javadoc)
 	 * @see org.springframework.data.release.jira.IssueTracker#getReleaseTicketFor(org.springframework.data.release.model.ModuleIteration)
 	 */
@@ -71,12 +89,50 @@ class GitHubIssueTracker implements IssueTracker {
 		return getIssuesFor(module).stream().//
 				filter(issue -> issue.isReleaseTicket(module)).//
 				findFirst().//
-				map(issue -> new Ticket(issue.getId(), issue.getTitle())).//
+				map(issue -> toTicket(issue)).//
 				orElseThrow(
-						() -> new IllegalArgumentException(String.format("Could not find a release ticket for %s!", module)));
+				() -> new IllegalArgumentException(String.format("Could not find a release ticket for %s!", module)));
 	}
 
-	/* 
+	private Ticket toTicket(GitHubIssue issue) {
+		return new Ticket(issue.getId(), issue.getTitle(), new GithubTicketStatus(issue.getState()));
+	}
+
+	/**
+	 * (non-Javadoc)
+	 *
+	 * @see IssueTracker#findTickets(Project, Collection)
+	 */
+	@Override
+	@Cacheable("tickets")
+	public Collection<Ticket> findTickets(Project project, Collection<String> ticketIds) {
+
+		String repositoryName = new GitProject(project, new GitServer()).getRepositoryName();
+		List<Ticket> tickets = new ArrayList<>();
+		for (String ticketId : ticketIds) {
+
+			Map<String, Object> parameters = new HashMap<>();
+			parameters.put("repoName", repositoryName);
+			parameters.put("id", ticketId);
+
+			try {
+				GitHubIssue gitHubIssue = operations
+						.exchange(ISSUE_BY_ID_URI_TEMPLATE, HttpMethod.GET, new HttpEntity<>(getAuthenticationHeaders()), ISSUE_TYPE, parameters)
+						.getBody();
+
+				tickets.add(toTicket(gitHubIssue));
+			} catch (HttpStatusCodeException e) {
+				if (e.getStatusCode() == HttpStatus.NOT_FOUND) {
+					continue;
+				}
+				throw e;
+			}
+		}
+
+		return tickets;
+	}
+
+	/*
 	 * (non-Javadoc)
 	 * @see org.springframework.data.release.jira.IssueTracker#getChangelogFor(org.springframework.data.release.model.ModuleIteration)
 	 */
@@ -85,7 +141,7 @@ class GitHubIssueTracker implements IssueTracker {
 	public Changelog getChangelogFor(ModuleIteration module) {
 
 		List<Ticket> tickets = getIssuesFor(module).stream().//
-				map(issue -> new Ticket(issue.getId(), issue.getTitle())).//
+				map(issue -> toTicket(issue)).//
 				collect(Collectors.toList());
 
 		logger.log(module, "Created changelog with %s entries.", tickets.size());
@@ -113,7 +169,7 @@ class GitHubIssueTracker implements IssueTracker {
 		parameters.put("id", milestone.getNumber());
 
 		return operations
-				.exchange(URI_TEMPLATE, HttpMethod.GET, new HttpEntity<>(getAuthenticationHeaders()), ISSUES_TYPE, parameters)
+				.exchange(ISSUES_BY_MILESTONE_URI_TEMPLATE, HttpMethod.GET, new HttpEntity<>(getAuthenticationHeaders()), ISSUES_TYPE, parameters)
 				.getBody();
 	}
 

release-tools/src/main/java/org/springframework/data/release/jira/GithubConnector.java

@@ -0,0 +1,27 @@
+/*
+ * Copyright 2016 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.data.release.jira;
+
+import org.springframework.data.release.model.Iteration;
+import org.springframework.data.release.model.Train;
+import org.springframework.data.release.model.TrainIteration;
+
+/**
+ * @author Mark Paluch
+ */
+public interface GitHubConnector extends IssueTracker {
+
+}

release-tools/src/main/java/org/springframework/data/release/jira/GithubTicketStatus.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2016 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.data.release.jira;
+
+import lombok.AllArgsConstructor;
+
+/**
+ * Value object for a GitHub ticket status.
+ * @author Mark Paluch
+ */
+@AllArgsConstructor
+class GithubTicketStatus implements TicketStatus {
+
+	private final String status;
+
+	@Override
+	public String getLabel() {
+		return status;
+	}
+
+	@Override
+	public boolean isResolved() {
+		return "closed".equalsIgnoreCase(status);
+	}
+}

release-tools/src/main/java/org/springframework/data/release/jira/IssueTracker.java

@@ -15,6 +15,8 @@
  */
 package org.springframework.data.release.jira;
 
+import java.util.Collection;
+
 import org.springframework.data.release.model.ModuleIteration;
 import org.springframework.data.release.model.Project;
 import org.springframework.plugin.core.Plugin;
@@ -24,6 +26,11 @@ import org.springframework.plugin.core.Plugin;
  */
 public interface IssueTracker extends Plugin<Project> {
 
+	/**
+	 * Reset internal state (cache, ...).
+	 */
+	void reset();
+
 	/**
 	 * Returns the {@link Ticket} that tracks modifications in the context of a release.
 	 * 
@@ -32,5 +39,16 @@ public interface IssueTracker extends Plugin<Project> {
 	 */
 	Ticket getReleaseTicketFor(ModuleIteration module);
 
+	/**
+	 * Query the issue tracker for multiple {@link Ticket#id ticket Ids}. Tickets that are not found are not returned
+	 * within the result.
+	 *
+	 * @param project
+	 * @param ticketIds collection of {@link Ticket#id ticket Ids}
+	 * @return
+	 */
+	Collection<Ticket> findTickets(Project project, Collection<String> ticketIds);
+
 	Changelog getChangelogFor(ModuleIteration iteration);
+
 }

release-tools/src/main/java/org/springframework/data/release/jira/Jira.java

@@ -15,14 +15,16 @@
  */
 package org.springframework.data.release.jira;
 
-import lombok.RequiredArgsConstructor;
-
 import java.net.URI;
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.stream.Collectors;
+
+import lombok.RequiredArgsConstructor;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.cache.annotation.CacheEvict;
@@ -71,7 +73,7 @@ class Jira implements JiraConnector {
 
 		Map<String, Object> parameters = new HashMap<>();
 		parameters.put("jql", query);
-		parameters.put("fields", "summary");
+		parameters.put("fields", "summary,status,resolution");
 		parameters.put("startAt", 0);
 
 		JiraIssues issues = operations.exchange(SEARCH_TEMPLATE, HttpMethod.GET, null, JiraIssues.class, parameters)
@@ -83,7 +85,34 @@ class Jira implements JiraConnector {
 
 		JiraIssue issue = issues.getIssues().get(0);
 
-		return new Ticket(issue.getKey(), issue.getFields().getSummary());
+		return toTicket(issue);
+	}
+
+	/**
+	 * (non-Javadoc)
+	 * @see org.springframework.data.release.jira.IssueTracker#findTickets(Project, Collection)
+	 */
+	@Override
+	@Cacheable("tickets")
+	public Collection<Ticket> findTickets(Project project, Collection<String> ticketIds) {
+
+		if (ticketIds.isEmpty()) {
+			return Collections.emptyList();
+		}
+
+		JqlQuery query = JqlQuery.from(ticketIds).and(" resolution is not EMPTY");
+
+		Map<String, Object> parameters = new HashMap<>();
+		parameters.put("jql", query);
+		parameters.put("fields", "summary,status,resolution");
+		parameters.put("startAt", 0);
+
+		JiraIssues issues = operations.exchange(SEARCH_TEMPLATE, HttpMethod.GET, null, JiraIssues.class, parameters)
+				.getBody();
+
+		return issues.getIssues().stream().//
+				map(this::toTicket).//
+				collect(Collectors.toList());
 	}
 
 	/*
@@ -118,7 +147,7 @@ class Jira implements JiraConnector {
 
 			Map<String, Object> parameters = new HashMap<>();
 			parameters.put("jql", query);
-			parameters.put("fields", "summary,fixVersions");
+			parameters.put("fields", "summary,status,resolution,fixVersions");
 			parameters.put("startAt", startAt);
 
 			issues = operations
@@ -128,7 +157,7 @@ class Jira implements JiraConnector {
 
 			for (JiraIssue issue : issues) {
 				if (!issue.wasBackportedFrom(iteration.getTrain())) {
-					tickets.add(new Ticket(issue.getKey(), issue.getFields().getSummary()));
+					tickets.add(toTicket(issue));
 				}
 			}
 
@@ -139,6 +168,24 @@ class Jira implements JiraConnector {
 		return new Tickets(Collections.unmodifiableList(tickets), issues.getTotal());
 	}
 
+	private Ticket toTicket(JiraIssue issue) {
+
+		JiraIssue.Fields fields = issue.getFields();
+
+		JiraTicketStatus jiraTicketStatus;
+		if (fields.getStatus() != null && fields.getResolution() != null) {
+			JiraIssue.Status status = fields.getStatus();
+			boolean resolved = status.getStatusCategory().getKey().equals("done");
+			JiraIssue.Resolution resolution = fields.getResolution();
+
+			jiraTicketStatus = new JiraTicketStatus(resolved, status.getName(), resolution.getName());
+		} else {
+			jiraTicketStatus = JiraTicketStatus.UNKNOWN;
+		}
+
+		return new Ticket(issue.getKey(), fields.getSummary(), jiraTicketStatus);
+	}
+
 	/* 
 	 * (non-Javadoc)
 	 * @see org.springframework.data.release.jira.JiraConnector#verifyBeforeRelease(org.springframework.data.release.model.Train, org.springframework.data.release.model.Iteration)
@@ -180,7 +227,7 @@ class Jira implements JiraConnector {
 
 		Map<String, Object> parameters = new HashMap<>();
 		parameters.put("jql", JqlQuery.from(module));
-		parameters.put("fields", "summary,fixVersions");
+		parameters.put("fields", "summary,status,resolution,fixVersions");
 		parameters.put("startAt", 0);
 
 		URI searchUri = new UriTemplate(SEARCH_TEMPLATE).expand(parameters);
@@ -191,7 +238,7 @@ class Jira implements JiraConnector {
 		List<Ticket> tickets = new ArrayList<>();
 
 		for (JiraIssue issue : issues) {
-			tickets.add(new Ticket(issue.getKey(), issue.getFields().getSummary()));
+			tickets.add(toTicket(issue));
 		}
 
 		logger.log(module, "Created changelog with %s entries.", tickets.size());

release-tools/src/main/java/org/springframework/data/release/jira/JiraConnector.java

@@ -29,8 +29,8 @@ public interface JiraConnector extends IssueTracker {
 	/**
 	 * Returns all {@link Tickets} for the given {@link Train} and {@link Iteration}.
 	 * 
-	 * @param train must not be {@literal null}.
 	 * @param iteration must not be {@literal null}.
+	 * @param credentials may be {@literal null}.
 	 * @return
 	 */
 	Tickets getTicketsFor(TrainIteration iteration, Credentials credentials);

release-tools/src/main/java/org/springframework/data/release/jira/JiraIssue.java

@@ -52,6 +52,8 @@ class JiraIssue {
 
 		String summary;
 		List<FixVersions> fixVersions;
+		Status status;
+		Resolution resolution;
 	}
 
 	@Data
@@ -61,4 +63,29 @@ class JiraIssue {
 
 		String name;
 	}
+
+	@Data
+	@NoArgsConstructor
+	@AllArgsConstructor
+	static class Status {
+
+		String name;
+		StatusCategory statusCategory;
+	}
+
+	@Data
+	@NoArgsConstructor
+	@AllArgsConstructor
+	static class Resolution {
+
+		String name;
+	}
+
+	@Data
+	@NoArgsConstructor
+	@AllArgsConstructor
+	static class StatusCategory {
+
+		String key;
+	}
 }

release-tools/src/main/java/org/springframework/data/release/jira/JiraTicketStatus.java

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2016 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.data.release.jira;
+
+import lombok.AllArgsConstructor;
+
+/**
+ * @author Mark Paluch
+ */
+@AllArgsConstructor
+public class JiraTicketStatus implements TicketStatus {
+
+	public static final JiraTicketStatus UNKNOWN = new JiraTicketStatus(false, "unknown", null);
+
+	private final boolean resolved;
+	private final String status;
+	private final String resolution;
+
+	@Override
+	public String getLabel() {
+		return resolution == null ? status : status + "/" + resolution;
+	}
+
+	@Override
+	public boolean isResolved() {
+		return resolved;
+	}
+}

release-tools/src/main/java/org/springframework/data/release/jira/JqlQuery.java

@@ -20,7 +20,10 @@ import static org.springframework.data.release.model.Projects.*;
 import lombok.Value;
 
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.List;
+import java.util.StringJoiner;
+import java.util.stream.Collectors;
 
 import org.springframework.data.release.model.ModuleIteration;
 import org.springframework.data.release.model.TrainIteration;
@@ -33,6 +36,7 @@ import org.springframework.util.StringUtils;
 class JqlQuery {
 
 	private static final String PROJECT_VERSION_TEMPLATE = "project = %s AND fixVersion = \"%s\"";
+	private static final String ISSUE_KEY_IN_TEMPLATE = "issueKey in (%s)";
 
 	private final String query;
 
@@ -51,6 +55,13 @@ class JqlQuery {
 		return new JqlQuery(String.format(PROJECT_VERSION_TEMPLATE, iteration.getProjectKey(), version));
 	}
 
+	public static JqlQuery from(Collection<String> ticketIds) {
+
+		String joinedTicketIds = ticketIds.stream().collect(Collectors.joining(", "));
+
+		return new JqlQuery(String.format(ISSUE_KEY_IN_TEMPLATE, joinedTicketIds));
+	}
+
 	public static JqlQuery from(TrainIteration iteration) {
 
 		List<String> parts = new ArrayList<>();

release-tools/src/main/java/org/springframework/data/release/jira/Ticket.java

@@ -27,6 +27,7 @@ public class Ticket {
 
 	private final String id;
 	private final String summary;
+	private final TicketStatus ticketStatus;
 
 	/*
 	 * (non-Javadoc)

release-tools/src/main/java/org/springframework/data/release/jira/TicketBranches.java

@@ -0,0 +1,69 @@
+/*
+ * Copyright 2016 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.data.release.jira;
+
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Optional;
+import java.util.stream.Stream;
+import java.util.stream.StreamSupport;
+
+import lombok.EqualsAndHashCode;
+
+import org.springframework.data.release.git.Branch;
+import org.springframework.util.Assert;
+
+/**
+ * Value object to represent a collection of {@link Branch}es with optionally assigned tickets.
+ * 
+ * @author Mark Paluch
+ */
+@EqualsAndHashCode
+public class TicketBranches implements Iterable<Branch> {
+
+	private Map<Branch, Ticket> ticketBranches;
+
+	/**
+	 * Creates a new {@link TicketBranches} instance for the given {@link Map} of {@link Branch}es and {@link Ticket}s.
+	 *
+	 * @param ticketBranches must not be {@literal null}.
+	 */
+	TicketBranches(Map<Branch, Ticket> ticketBranches) {
+
+		Assert.notNull(ticketBranches, "TicketBranches must not be null!");
+		this.ticketBranches = ticketBranches;
+	}
+
+	public static TicketBranches from(Map<Branch, Ticket> ticketBranches) {
+
+		return new TicketBranches(ticketBranches);
+	}
+
+	@Override
+	public Iterator<Branch> iterator() {
+		return ticketBranches.keySet().iterator();
+	}
+
+	public Stream<Branch> stream() {
+		return StreamSupport.stream(spliterator(), false);
+	}
+
+	public Optional<Ticket> getTicket(Branch branch) {
+		Assert.notNull(branch, "Branch must not be null!");
+		return Optional.ofNullable(ticketBranches.get(branch));
+	}
+}

release-tools/src/main/java/org/springframework/data/release/jira/TicketStatus.java

@@ -0,0 +1,27 @@
+/*
+ * Copyright 2016 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.data.release.jira;
+
+/**
+ * @author Mark Paluch
+ */
+public interface TicketStatus {
+
+	String getLabel();
+
+	boolean isResolved();
+}

release-tools/src/main/java/org/springframework/data/release/model/Project.java

@@ -34,7 +34,7 @@ public class Project implements Comparable<Project> {
 	private final @Getter ProjectKey key;
 	private final @Getter String name;
 	private final @Getter List<Project> dependencies;
-	private final Tracker tracker;
+	private final @Getter Tracker tracker;
 	private final @Getter ArtifactCoordinates additionalArtifacts;
 
 	Project(String key, String name, List<Project> dependencies) {

release-tools/src/main/java/org/springframework/data/release/model/Tracker.java

@@ -20,5 +20,18 @@ package org.springframework.data.release.model;
  */
 public enum Tracker {
 
-	JIRA, GITHUB;
+	JIRA("(([A-Z]{1,10})+-\\d+)"),
+	GITHUB("((#)?\\d+)");
+
+	private String ticketPattern;
+
+	Tracker(String ticketPattern) {
+		this.ticketPattern = ticketPattern;
+	}
+
+	public String getTicketPattern()
+	{
+		return ticketPattern;
+	}
+
 }

release-tools/src/test/java/org/springframework/data/release/git/GitOperationsIntegrationTests.java

@@ -54,4 +54,9 @@ public class GitOperationsIntegrationTests extends AbstractIntegrationTests {
 	public void obtainsVersionTagsForRepoThatAlsoHasOtherTags() {
 		gitOperations.getTags(MONGO_DB);
 	}
+
+	@Test
+	public void getResolvedBranches() {
+		gitOperations.listTicketBranches(REDIS);
+	}
 }

release-tools/src/test/java/org/springframework/data/release/jira/GitHubIssueTrackerIntegrationTests.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2016 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.data.release.jira;
+
+import static org.hamcrest.collection.IsCollectionWithSize.hasSize;
+import static org.junit.Assert.assertThat;
+
+import java.util.Arrays;
+import java.util.Collection;
+
+import org.junit.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.release.AbstractIntegrationTests;
+import org.springframework.data.release.model.Projects;
+
+/**
+ * @author Mark Paluch
+ */
+public class GitHubIssueTrackerIntegrationTests extends AbstractIntegrationTests {
+
+	@Autowired GitHubConnector gitHubIssueTracker;
+
+	@Test
+	public void getTickets() throws Exception {
+
+		Collection<Ticket> tickets = gitHubIssueTracker.findTickets(Projects.BUILD, Arrays.asList("1", "2", "-1"));
+		assertThat(tickets, hasSize(2));
+	}
+}

release-tools/src/test/java/org/springframework/data/release/jira/JiraIntegrationTests.java

@@ -0,0 +1,57 @@
+/*
+ * Copyright 2016 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.data.release.jira;
+
+import static org.hamcrest.Matchers.hasSize;
+import static org.junit.Assert.assertThat;
+
+import java.util.Arrays;
+import java.util.Collection;
+
+import org.junit.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.release.AbstractIntegrationTests;
+import org.springframework.data.release.model.Projects;
+
+/**
+ * @author Mark Paluch
+ */
+public class JiraIntegrationTests extends AbstractIntegrationTests {
+
+	@Autowired JiraConnector jira;
+
+	@Test
+	public void findResolvedTicketsByTicketIds() throws Exception {
+
+		Collection<Ticket> tickets = jira.findTickets(Projects.COMMONS, Arrays.asList("DATAREDIS-1", "DATAJPA-1"));
+		assertThat(tickets, hasSize(2));
+	}
+
+	@Test
+	public void ignoresUnknownTicketsByTicketId() throws Exception {
+
+		Collection<Ticket> tickets = jira.findTickets(Projects.COMMONS, Arrays.asList("XYZ-1", "UNKOWN-1"));
+		assertThat(tickets, hasSize(0));
+	}
+
+	@Test
+	public void emptyResultWithEmptyTicketIds() throws Exception {
+
+		Collection<Ticket> tickets = jira.findTickets(Projects.COMMONS, Arrays.asList());
+		assertThat(tickets, hasSize(0));
+	}
+}

release-tools/src/test/java/org/springframework/data/release/model/TrackerTest.java

@@ -0,0 +1,62 @@
+/*
+ * Copyright 2016 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.data.release.model;
+
+import static org.hamcrest.core.Is.is;
+import static org.hamcrest.core.IsEqual.equalTo;
+import static org.junit.Assert.assertThat;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import org.junit.Test;
+
+/**
+ * @author Mark Paluch
+ */
+public class TrackerTest {
+
+	@Test
+	public void testMatchesTicketNumber() throws Exception {
+
+		Pattern pattern = Pattern.compile(Tracker.JIRA.getTicketPattern());
+		Matcher matcher = pattern.matcher("DATAREDIS-1");
+		matcher.find();
+
+		assertThat(matcher.group(1), is(equalTo("DATAREDIS-1")));
+	}
+
+	@Test
+	public void testMatchesBranchNamedLikeTicket() throws Exception {
+
+		Pattern pattern = Pattern.compile(Tracker.JIRA.getTicketPattern());
+		Matcher matcher = pattern.matcher("issues/DATAREDIS-1-dummy");
+		matcher.find();
+
+		assertThat(matcher.group(1), is(equalTo("DATAREDIS-1")));
+	}
+
+	@Test
+	public void testVersionBranch() throws Exception {
+
+		Pattern pattern = Pattern.compile(Tracker.GITHUB.getTicketPattern());
+		Matcher matcher = pattern.matcher("1.2.x");
+		matcher.find();
+
+		assertThat(matcher.group(1), is(equalTo("1")));
+	}
+}