From 40b07bca7d02438cd0d660f3b1713ffa86f6df76 Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Wed, 31 Oct 2012 23:33:05 -0400
Subject: [PATCH] Renamed isEditable to mutable

---
 src/com/gitblit/FederationPullExecutor.java |  279 +++++++++++++++++++++++++++++++++++++++++++++++++------
 1 files changed, 246 insertions(+), 33 deletions(-)

diff --git a/src/com/gitblit/FederationPullExecutor.java b/src/com/gitblit/FederationPullExecutor.java
index 9a1c3cf..ad1022c 100644
--- a/src/com/gitblit/FederationPullExecutor.java
+++ b/src/com/gitblit/FederationPullExecutor.java
@@ -15,36 +15,49 @@
  */
 package com.gitblit;
 
+import static org.eclipse.jgit.lib.Constants.DOT_GIT_EXT;
+
 import java.io.File;
 import java.io.FileOutputStream;
+import java.io.IOException;
 import java.net.InetAddress;
 import java.text.MessageFormat;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.Date;
+import java.util.HashMap;
+import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Properties;
+import java.util.Set;
 import java.util.concurrent.TimeUnit;
 
 import org.eclipse.jgit.lib.Repository;
 import org.eclipse.jgit.lib.StoredConfig;
+import org.eclipse.jgit.revwalk.RevCommit;
 import org.eclipse.jgit.transport.CredentialsProvider;
 import org.eclipse.jgit.transport.UsernamePasswordCredentialsProvider;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import com.gitblit.Constants.AccessPermission;
 import com.gitblit.Constants.FederationPullStatus;
 import com.gitblit.Constants.FederationStrategy;
+import com.gitblit.GitBlitException.ForbiddenException;
 import com.gitblit.models.FederationModel;
+import com.gitblit.models.RefModel;
 import com.gitblit.models.RepositoryModel;
+import com.gitblit.models.TeamModel;
 import com.gitblit.models.UserModel;
+import com.gitblit.utils.ArrayUtils;
 import com.gitblit.utils.FederationUtils;
+import com.gitblit.utils.FileUtils;
 import com.gitblit.utils.JGitUtils;
-import com.gitblit.utils.TimeUtils;
 import com.gitblit.utils.JGitUtils.CloneResult;
 import com.gitblit.utils.StringUtils;
+import com.gitblit.utils.TimeUtils;
 
 /**
  * FederationPullExecutor pulls repository updates and, optionally, user
@@ -56,6 +69,8 @@
 
 	private final List<FederationModel> registrations;
 
+	private final boolean isDaemon;
+
 	/**
 	 * Constructor for specifying a single federation registration. This
 	 * constructor is used to schedule the next pull execution.
@@ -63,7 +78,7 @@
 	 * @param registration
 	 */
 	private FederationPullExecutor(FederationModel registration) {
-		this(Arrays.asList(registration));
+		this(Arrays.asList(registration), true);
 	}
 
 	/**
@@ -72,9 +87,13 @@
 	 * on each registrations frequency setting.
 	 * 
 	 * @param registrations
+	 * @param isDaemon
+	 *            if true, registrations are rescheduled in perpetuity. if
+	 *            false, the federation pull operation is executed once.
 	 */
-	public FederationPullExecutor(List<FederationModel> registrations) {
+	public FederationPullExecutor(List<FederationModel> registrations, boolean isDaemon) {
 		this.registrations = registrations;
+		this.isDaemon = isDaemon;
 	}
 
 	/**
@@ -98,7 +117,7 @@
 						String message = "Federation pull of " + registration.name + " @ "
 								+ registration.url + " is now at " + is.name();
 						GitBlit.self()
-								.notifyAdministrators(
+								.sendMailToAdministrators(
 										"Pull Status of " + registration.name + " is " + is.name(),
 										message);
 					}
@@ -108,14 +127,16 @@
 						"Failed to pull from federated gitblit ({0} @ {1})", registration.name,
 						registration.url), t);
 			} finally {
-				schedule(registration);
+				if (isDaemon) {
+					schedule(registration);
+				}
 			}
 		}
 	}
 
 	/**
 	 * Mirrors a repository and, optionally, the server's users, and/or
-	 * configuration settings from a remote Gitblit instance.
+	 * configuration settings from a origin Gitblit instance.
 	 * 
 	 * @param registration
 	 * @throws Exception
@@ -148,6 +169,7 @@
 				continue;
 			}
 
+			// Determine local repository name
 			String repositoryName;
 			if (StringUtils.isEmpty(registrationFolder)) {
 				repositoryName = repository.name;
@@ -155,13 +177,38 @@
 				repositoryName = registrationFolder + "/" + repository.name;
 			}
 
+			if (registration.bare) {
+				// bare repository, ensure .git suffix
+				if (!repositoryName.toLowerCase().endsWith(DOT_GIT_EXT)) {
+					repositoryName += DOT_GIT_EXT;
+				}
+			} else {
+				// normal repository, strip .git suffix
+				if (repositoryName.toLowerCase().endsWith(DOT_GIT_EXT)) {
+					repositoryName = repositoryName.substring(0,
+							repositoryName.indexOf(DOT_GIT_EXT));
+				}
+			}
+			
 			// confirm that the origin of any pre-existing repository matches
 			// the clone url
+			String fetchHead = null;
 			Repository existingRepository = GitBlit.self().getRepository(repositoryName);
+			
+			if (existingRepository == null && GitBlit.self().isCollectingGarbage(repositoryName)) {
+				logger.warn(MessageFormat.format("Skipping local repository {0}, busy collecting garbage", repositoryName));
+				continue;
+			}
+
 			if (existingRepository != null) {
 				StoredConfig config = existingRepository.getConfig();
 				config.load();
 				String origin = config.getString("remote", "origin", "url");
+				RevCommit commit = JGitUtils.getCommit(existingRepository,
+						org.eclipse.jgit.lib.Constants.FETCH_HEAD);
+				if (commit != null) {
+					fetchHead = commit.getName();
+				}
 				existingRepository.close();
 				if (!origin.startsWith(registration.url)) {
 					logger.warn(MessageFormat
@@ -177,20 +224,93 @@
 					Constants.FEDERATION_USER, registration.token);
 			logger.info(MessageFormat.format("Pulling federated repository {0} from {1} @ {2}",
 					repository.name, registration.name, registration.url));
+
 			CloneResult result = JGitUtils.cloneRepository(registrationFolderFile, repository.name,
-					cloneUrl, credentials);
+					cloneUrl, registration.bare, credentials);
 			Repository r = GitBlit.self().getRepository(repositoryName);
 			RepositoryModel rm = GitBlit.self().getRepositoryModel(repositoryName);
+			repository.isFrozen = registration.mirror;
 			if (result.createdRepository) {
 				// default local settings
 				repository.federationStrategy = FederationStrategy.EXCLUDE;
-				repository.isFrozen = registration.freeze;
+				repository.isFrozen = registration.mirror;
+				repository.showRemoteBranches = !registration.mirror;
+				logger.info(MessageFormat.format("     cloning {0}", repository.name));
+				registration.updateStatus(repository, FederationPullStatus.MIRRORED);
 			} else {
+				// fetch and update
+				boolean fetched = false;
+				RevCommit commit = JGitUtils.getCommit(r, org.eclipse.jgit.lib.Constants.FETCH_HEAD);
+				String newFetchHead = commit.getName();
+				fetched = fetchHead == null || !fetchHead.equals(newFetchHead);
+
+				if (registration.mirror) {
+					// mirror
+					if (fetched) {
+						// update local branches to match the remote tracking branches
+						for (RefModel ref : JGitUtils.getRemoteBranches(r, false, -1)) {
+							if (ref.displayName.startsWith("origin/")) {
+								String branch = org.eclipse.jgit.lib.Constants.R_HEADS
+										+ ref.displayName.substring(ref.displayName.indexOf('/') + 1);
+								String hash = ref.getReferencedObjectId().getName();
+								
+								JGitUtils.setBranchRef(r, branch, hash);
+								logger.info(MessageFormat.format("     resetting {0} of {1} to {2}", branch,
+										repository.name, hash));
+							}
+						}
+						
+						String newHead;
+						if (StringUtils.isEmpty(repository.HEAD)) {
+							newHead = newFetchHead;
+						} else {
+							newHead = repository.HEAD;
+						}
+						JGitUtils.setHEADtoRef(r, newHead);
+						logger.info(MessageFormat.format("     resetting HEAD of {0} to {1}",
+								repository.name, newHead));
+						registration.updateStatus(repository, FederationPullStatus.MIRRORED);
+					} else {
+						// indicate no commits pulled
+						registration.updateStatus(repository, FederationPullStatus.NOCHANGE);
+					}
+				} else {
+					// non-mirror
+					if (fetched) {
+						// indicate commits pulled to origin/master
+						registration.updateStatus(repository, FederationPullStatus.PULLED);
+					} else {
+						// indicate no commits pulled
+						registration.updateStatus(repository, FederationPullStatus.NOCHANGE);
+					}
+				}
+
 				// preserve local settings
 				repository.isFrozen = rm.isFrozen;
 				repository.federationStrategy = rm.federationStrategy;
+
+				// merge federation sets
+				Set<String> federationSets = new HashSet<String>();
+				if (rm.federationSets != null) {
+					federationSets.addAll(rm.federationSets);
+				}
+				if (repository.federationSets != null) {
+					federationSets.addAll(repository.federationSets);
+				}
+				repository.federationSets = new ArrayList<String>(federationSets);
+				
+				// merge indexed branches
+				Set<String> indexedBranches = new HashSet<String>();
+				if (rm.indexedBranches != null) {
+					indexedBranches.addAll(rm.indexedBranches);
+				}
+				if (repository.indexedBranches != null) {
+					indexedBranches.addAll(repository.indexedBranches);
+				}
+				repository.indexedBranches = new ArrayList<String>(indexedBranches);
+
 			}
-			// only repositories that are actually _cloned_ from the source
+			// only repositories that are actually _cloned_ from the origin
 			// Gitblit repository are marked as federated. If the origin
 			// is from somewhere else, these repositories are not considered
 			// "federated" repositories.
@@ -198,30 +318,43 @@
 
 			GitBlit.self().updateConfiguration(r, repository);
 			r.close();
-			registration.updateStatus(repository, FederationPullStatus.PULLED);
 		}
+
+		IUserService userService = null;
 
 		try {
 			// Pull USERS
+			// TeamModels are automatically pulled because they are contained
+			// within the UserModel. The UserService creates unknown teams
+			// and updates existing teams.
 			Collection<UserModel> users = FederationUtils.getUsers(registration);
 			if (users != null && users.size() > 0) {
-				File realmFile = new File(registrationFolderFile, registration.name
-						+ "_users.properties");
+				File realmFile = new File(registrationFolderFile, registration.name + "_users.conf");
 				realmFile.delete();
-				FileUserService userService = new FileUserService(realmFile);
+				userService = new ConfigUserService(realmFile);
 				for (UserModel user : users) {
 					userService.updateUserModel(user.username, user);
 
-					// merge the remote permissions and remote accounts into
+					// merge the origin permissions and origin accounts into
 					// the user accounts of this Gitblit instance
 					if (registration.mergeAccounts) {
 						// reparent all repository permissions if the local
 						// repositories are stored within subfolders
 						if (!StringUtils.isEmpty(registrationFolder)) {
-							List<String> permissions = new ArrayList<String>(user.repositories);
-							user.repositories.clear();
-							for (String permission : permissions) {
-								user.addRepository(registrationFolder + "/" + permission);
+							if (user.permissions != null) {
+								// pulling from >= 1.2 version
+								Map<String, AccessPermission> copy = new HashMap<String, AccessPermission>(user.permissions);
+								user.permissions.clear();
+								for (Map.Entry<String, AccessPermission> entry : copy.entrySet()) {
+									user.setRepositoryPermission(registrationFolder + "/" + entry.getKey(), entry.getValue());
+								}
+							} else {
+								// pulling from <= 1.1 version
+								List<String> permissions = new ArrayList<String>(user.repositories);
+								user.repositories.clear();
+								for (String permission : permissions) {
+									user.addRepositoryPermission(registrationFolder + "/" + permission);
+								}
 							}
 						}
 
@@ -232,23 +365,81 @@
 							GitBlit.self().updateUserModel(user.username, user, true);
 						} else {
 							// update repository permissions of local user
-							for (String repository : user.repositories) {
-								localUser.addRepository(repository);
+							if (user.permissions != null) {
+								// pulling from >= 1.2 version
+								Map<String, AccessPermission> copy = new HashMap<String, AccessPermission>(user.permissions);
+								for (Map.Entry<String, AccessPermission> entry : copy.entrySet()) {
+									localUser.setRepositoryPermission(entry.getKey(), entry.getValue());
+								}
+							} else {
+								// pulling from <= 1.1 version
+								for (String repository : user.repositories) {
+									localUser.addRepositoryPermission(repository);
+								}
 							}
 							localUser.password = user.password;
 							localUser.canAdmin = user.canAdmin;
 							GitBlit.self().updateUserModel(localUser.username, localUser, false);
 						}
+
+						for (String teamname : GitBlit.self().getAllTeamnames()) {
+							TeamModel team = GitBlit.self().getTeamModel(teamname);
+							if (user.isTeamMember(teamname) && !team.hasUser(user.username)) {
+								// new team member
+								team.addUser(user.username);
+								GitBlit.self().updateTeamModel(teamname, team, false);
+							} else if (!user.isTeamMember(teamname) && team.hasUser(user.username)) {
+								// remove team member
+								team.removeUser(user.username);
+								GitBlit.self().updateTeamModel(teamname, team, false);
+							}
+
+							// update team repositories
+							TeamModel remoteTeam = user.getTeam(teamname);
+							if (remoteTeam != null) {
+								if (remoteTeam.permissions != null) {
+									// pulling from >= 1.2
+									for (Map.Entry<String, AccessPermission> entry : remoteTeam.permissions.entrySet()){
+										team.setRepositoryPermission(entry.getKey(), entry.getValue());
+									}
+									GitBlit.self().updateTeamModel(teamname, team, false);
+								} else if(!ArrayUtils.isEmpty(remoteTeam.repositories)) {
+									// pulling from <= 1.1
+									team.addRepositoryPermissions(remoteTeam.repositories);
+									GitBlit.self().updateTeamModel(teamname, team, false);
+								}
+							}
+						}
 					}
 				}
 			}
-		} catch (Exception e) {
-			// a 403 error code is normal for a PULL_REPOSITORIES token
-			if (!e.getMessage().contains("403")) {
-				logger.warn(MessageFormat.format(
-						"Failed to retrieve USERS from federated gitblit ({0} @ {1})",
-						registration.name, registration.url), e);
+		} catch (ForbiddenException e) {
+			// ignore forbidden exceptions
+		} catch (IOException e) {
+			logger.warn(MessageFormat.format(
+					"Failed to retrieve USERS from federated gitblit ({0} @ {1})",
+					registration.name, registration.url), e);
+		}
+
+		try {
+			// Pull TEAMS
+			// We explicitly pull these even though they are embedded in
+			// UserModels because it is possible to use teams to specify
+			// mailing lists or push scripts without specifying users.
+			if (userService != null) {
+				Collection<TeamModel> teams = FederationUtils.getTeams(registration);
+				if (teams != null && teams.size() > 0) {
+					for (TeamModel team : teams) {
+						userService.updateTeamModel(team);
+					}
+				}
 			}
+		} catch (ForbiddenException e) {
+			// ignore forbidden exceptions
+		} catch (IOException e) {
+			logger.warn(MessageFormat.format(
+					"Failed to retrieve TEAMS from federated gitblit ({0} @ {1})",
+					registration.name, registration.url), e);
 		}
 
 		try {
@@ -262,18 +453,39 @@
 				properties.store(os, null);
 				os.close();
 			}
-		} catch (Exception e) {
-			// a 403 error code is normal for a PULL_REPOSITORIES token
-			if (!e.getMessage().contains("403")) {
-				logger.warn(MessageFormat.format(
-						"Failed to retrieve SETTINGS from federated gitblit ({0} @ {1})",
-						registration.name, registration.url), e);
+		} catch (ForbiddenException e) {
+			// ignore forbidden exceptions
+		} catch (IOException e) {
+			logger.warn(MessageFormat.format(
+					"Failed to retrieve SETTINGS from federated gitblit ({0} @ {1})",
+					registration.name, registration.url), e);
+		}
+
+		try {
+			// Pull SCRIPTS
+			Map<String, String> scripts = FederationUtils.getScripts(registration);
+			if (scripts != null && scripts.size() > 0) {
+				for (Map.Entry<String, String> script : scripts.entrySet()) {
+					String scriptName = script.getKey();
+					if (scriptName.endsWith(".groovy")) {
+						scriptName = scriptName.substring(0, scriptName.indexOf(".groovy"));
+					}
+					File file = new File(registrationFolderFile, registration.name + "_"
+							+ scriptName + ".groovy");
+					FileUtils.writeContent(file, script.getValue());
+				}
 			}
+		} catch (ForbiddenException e) {
+			// ignore forbidden exceptions
+		} catch (IOException e) {
+			logger.warn(MessageFormat.format(
+					"Failed to retrieve SCRIPTS from federated gitblit ({0} @ {1})",
+					registration.name, registration.url), e);
 		}
 	}
 
 	/**
-	 * Sends a status acknowledgment to the source Gitblit instance. This
+	 * Sends a status acknowledgment to the origin Gitblit instance. This
 	 * includes the results of the federated pull.
 	 * 
 	 * @param registration
@@ -290,6 +502,7 @@
 			federationName = addr.getHostName();
 		}
 		FederationUtils.acknowledgeStatus(addr.getHostAddress(), registration);
+		logger.info(MessageFormat.format("Pull status sent to {0}", registration.url));
 	}
 
 	/**

--
Gitblit v1.9.1