From c2188a840bc4153ae92112b04b2e06a90d3944aa Mon Sep 17 00:00:00 2001 From: Paul Martin <paul@paulsputer.com> Date: Wed, 27 Apr 2016 18:58:06 -0400 Subject: [PATCH] Ticket Reference handling #1048 --- src/main/java/com/gitblit/utils/JGitUtils.java | 1197 ++++++++++++++++++++++++++++++++++++++++++++++++++--------- 1 files changed, 1,015 insertions(+), 182 deletions(-) diff --git a/src/main/java/com/gitblit/utils/JGitUtils.java b/src/main/java/com/gitblit/utils/JGitUtils.java index 57bb147..a02fc3f 100644 --- a/src/main/java/com/gitblit/utils/JGitUtils.java +++ b/src/main/java/com/gitblit/utils/JGitUtils.java @@ -15,21 +15,22 @@ */ package com.gitblit.utils; -import java.io.ByteArrayOutputStream; import java.io.File; import java.io.IOException; -import java.io.InputStream; import java.text.DecimalFormat; import java.text.MessageFormat; import java.util.ArrayList; import java.util.Arrays; +import java.util.Collection; import java.util.Collections; import java.util.Date; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; +import java.util.Set; import java.util.Map.Entry; +import java.util.regex.Matcher; import java.util.regex.Pattern; import org.apache.commons.io.filefilter.TrueFileFilter; @@ -37,15 +38,24 @@ import org.eclipse.jgit.api.FetchCommand; import org.eclipse.jgit.api.Git; import org.eclipse.jgit.api.TagCommand; +import org.eclipse.jgit.api.errors.ConcurrentRefUpdateException; import org.eclipse.jgit.api.errors.GitAPIException; +import org.eclipse.jgit.api.errors.JGitInternalException; import org.eclipse.jgit.diff.DiffEntry; import org.eclipse.jgit.diff.DiffEntry.ChangeType; import org.eclipse.jgit.diff.DiffFormatter; import org.eclipse.jgit.diff.RawTextComparator; +import org.eclipse.jgit.dircache.DirCache; +import org.eclipse.jgit.dircache.DirCacheEntry; +import org.eclipse.jgit.errors.AmbiguousObjectException; import org.eclipse.jgit.errors.ConfigInvalidException; import org.eclipse.jgit.errors.IncorrectObjectTypeException; +import org.eclipse.jgit.errors.LargeObjectException; import org.eclipse.jgit.errors.MissingObjectException; +import org.eclipse.jgit.errors.RevisionSyntaxException; import org.eclipse.jgit.errors.StopWalkException; +import org.eclipse.jgit.internal.JGitText; +import org.eclipse.jgit.lib.AnyObjectId; import org.eclipse.jgit.lib.BlobBasedConfig; import org.eclipse.jgit.lib.CommitBuilder; import org.eclipse.jgit.lib.Constants; @@ -61,6 +71,9 @@ import org.eclipse.jgit.lib.RepositoryCache.FileKey; import org.eclipse.jgit.lib.StoredConfig; import org.eclipse.jgit.lib.TreeFormatter; +import org.eclipse.jgit.merge.MergeStrategy; +import org.eclipse.jgit.merge.RecursiveMerger; +import org.eclipse.jgit.merge.ThreeWayMerger; import org.eclipse.jgit.revwalk.RevBlob; import org.eclipse.jgit.revwalk.RevCommit; import org.eclipse.jgit.revwalk.RevObject; @@ -73,6 +86,7 @@ import org.eclipse.jgit.transport.CredentialsProvider; import org.eclipse.jgit.transport.FetchResult; import org.eclipse.jgit.transport.RefSpec; +import org.eclipse.jgit.treewalk.CanonicalTreeParser; import org.eclipse.jgit.treewalk.TreeWalk; import org.eclipse.jgit.treewalk.filter.AndTreeFilter; import org.eclipse.jgit.treewalk.filter.OrTreeFilter; @@ -81,21 +95,29 @@ import org.eclipse.jgit.treewalk.filter.PathSuffixFilter; import org.eclipse.jgit.treewalk.filter.TreeFilter; import org.eclipse.jgit.util.FS; -import org.eclipse.jgit.util.io.DisabledOutputStream; +import org.jetbrains.annotations.NotNull; import org.slf4j.Logger; import org.slf4j.LoggerFactory; +import com.gitblit.GitBlitException; +import com.gitblit.IStoredSettings; +import com.gitblit.Keys; +import com.gitblit.git.PatchsetCommand; +import com.gitblit.models.FilestoreModel; import com.gitblit.models.GitNote; import com.gitblit.models.PathModel; import com.gitblit.models.PathModel.PathChangeModel; +import com.gitblit.models.TicketModel.TicketAction; +import com.gitblit.models.TicketModel.TicketLink; import com.gitblit.models.RefModel; import com.gitblit.models.SubmoduleModel; +import com.google.common.base.Strings; /** * Collection of static methods for retrieving information from a repository. - * + * * @author James Moger - * + * */ public class JGitUtils { @@ -103,7 +125,7 @@ /** * Log an error message and exception. - * + * * @param t * @param repository * if repository is not null it MUST be the {0} parameter in the @@ -127,7 +149,7 @@ /** * Returns the displayable name of the person in the form "Real Name <email * address>". If the email address is empty, just "Real Name" is returned. - * + * * @param person * @return "Real Name <email address>" or "Real Name" */ @@ -156,7 +178,7 @@ * Clone or Fetch a repository. If the local repository does not exist, * clone is called. If the repository does exist, fetch is called. By * default the clone/fetch retrieves the remote heads, tags, and notes. - * + * * @param repositoriesFolder * @param name * @param fromUrl @@ -172,7 +194,7 @@ * Clone or Fetch a repository. If the local repository does not exist, * clone is called. If the repository does exist, fetch is called. By * default the clone/fetch retrieves the remote heads, tags, and notes. - * + * * @param repositoriesFolder * @param name * @param fromUrl @@ -213,7 +235,7 @@ clone.setCredentialsProvider(credentialsProvider); } Repository repository = clone.call().getRepository(); - + // Now we have to fetch because CloneCommand doesn't fetch // refs/notes nor does it allow manual RefSpec. result.createdRepository = true; @@ -226,7 +248,7 @@ /** * Fetch updates from the remote repository. If refSpecs is unspecifed, * remote heads, tags, and notes are retrieved. - * + * * @param credentialsProvider * @param repository * @param refSpecs @@ -255,7 +277,7 @@ /** * Creates a bare repository. - * + * * @param repositoriesFolder * @param name * @return Repository @@ -353,7 +375,10 @@ } String getValue() { - if ( enumValue == GitConfigSharedRepositoryValue.Oxxx ) return Integer.toOctalString(intValue); + if ( enumValue == GitConfigSharedRepositoryValue.Oxxx ) { + if (intValue == 0) return "0"; + return String.format("0%o", intValue); + } return enumValue.getConfigValue(); } @@ -400,8 +425,22 @@ if (! path.exists()) return -1; int perm = configShared.getPerm(); - int mode = JnaUtils.getFilemode(path); + JnaUtils.Filestat stat = JnaUtils.getFilestat(path); + if (stat == null) return -1; + int mode = stat.mode; if (mode < 0) return -1; + + // Now, here is the kicker: Under Linux, chmod'ing a sgid file whose guid is different from the process' + // effective guid will reset the sgid flag of the file. Since there is no way to get the sgid flag back in + // that case, we decide to rather not touch is and getting the right permissions will have to be achieved + // in a different way, e.g. by using an appropriate umask for the Gitblit process. + if (System.getProperty("os.name").toLowerCase().startsWith("linux")) { + if ( ((mode & (JnaUtils.S_ISGID | JnaUtils.S_ISUID)) != 0) + && stat.gid != JnaUtils.getegid() ) { + LOGGER.debug("Not adjusting permissions to prevent clearing suid/sgid bits for '" + path + "'" ); + return 0; + } + } // If the owner has no write access, delete it from group and other, too. if ((mode & JnaUtils.S_IWUSR) == 0) perm &= ~0222; @@ -410,7 +449,7 @@ if (configShared.isCustom()) { // Use the custom value for access permissions. - mode |= (mode & ~0777) | perm; + mode = (mode & ~0777) | perm; } else { // Just add necessary bits to existing permissions. @@ -428,7 +467,7 @@ /** * Returns a list of repository names in the specified folder. - * + * * @param repositoriesFolder * @param onlyBare * if true, only bare repositories repositories are listed. If @@ -462,7 +501,7 @@ /** * Recursive function to find git repositories. - * + * * @param basePath * basePath is stripped from the repository name as repositories * are relative to this path @@ -485,7 +524,7 @@ if (depth == 0) { return list; } - + int nextDepth = (depth == -1) ? -1 : depth - 1; for (File file : searchFolder.listFiles()) { if (file.isDirectory()) { @@ -530,7 +569,7 @@ /** * Returns the first commit on a branch. If the repository does not exist or * is empty, null is returned. - * + * * @param repository * @param branch * if unspecified, HEAD is assumed. @@ -566,7 +605,7 @@ * Returns the date of the first commit on a branch. If the repository does * not exist, Date(0) is returned. If the repository does exist bit is * empty, the last modified date of the repository folder is returned. - * + * * @param repository * @param branch * if unspecified, HEAD is assumed. @@ -587,7 +626,7 @@ /** * Determine if a repository has any commits. This is determined by checking * the for loose and packed objects. - * + * * @param repository * @return true if the repository has commits */ @@ -598,18 +637,18 @@ } return false; } - + /** * Encapsulates the result of cloning or pulling from a repository. */ public static class LastChange { public Date when; public String who; - + LastChange() { - when = new Date(0); + when = new Date(0); } - + LastChange(long lastModified) { this.when = new Date(lastModified); } @@ -619,7 +658,7 @@ * Returns the date and author of the most recent commit on a branch. If the * repository does not exist Date(0) is returned. If it does exist but is * empty, the last modified date of the repository folder is returned. - * + * * @param repository * @return a LastChange object */ @@ -636,7 +675,7 @@ List<RefModel> branchModels = getLocalBranches(repository, true, -1); if (branchModels.size() > 0) { // find most recent branch update - LastChange lastChange = new LastChange(); + LastChange lastChange = new LastChange(); for (RefModel branchModel : branchModels) { if (branchModel.getDate().after(lastChange.when)) { lastChange.when = branchModel.getDate(); @@ -645,14 +684,14 @@ } return lastChange; } - + // default to the repository folder modification date return new LastChange(repository.getDirectory().lastModified()); } /** * Retrieves a Java Date from a Git commit. - * + * * @param commit * @return date of the commit or Date(0) if the commit is null */ @@ -665,7 +704,7 @@ /** * Retrieves a Java Date from a Git commit. - * + * * @param commit * @return date of the commit or Date(0) if the commit is null */ @@ -673,13 +712,16 @@ if (commit == null) { return new Date(0); } - return commit.getAuthorIdent().getWhen(); + if (commit.getAuthorIdent() != null) { + return commit.getAuthorIdent().getWhen(); + } + return getCommitDate(commit); } /** * Returns the specified commit from the repository. If the repository does * not exist or is empty, null is returned. - * + * * @param repository * @param objectId * if unspecified, HEAD is assumed. @@ -690,27 +732,34 @@ return null; } RevCommit commit = null; + RevWalk walk = null; try { // resolve object id ObjectId branchObject; - if (StringUtils.isEmpty(objectId)) { + if (StringUtils.isEmpty(objectId) || "HEAD".equalsIgnoreCase(objectId)) { branchObject = getDefaultBranch(repository); } else { branchObject = repository.resolve(objectId); } - RevWalk walk = new RevWalk(repository); + if (branchObject == null) { + return null; + } + walk = new RevWalk(repository); RevCommit rev = walk.parseCommit(branchObject); commit = rev; - walk.dispose(); } catch (Throwable t) { error(t, repository, "{0} failed to get commit {1}", objectId); + } finally { + if (walk != null) { + walk.dispose(); + } } return commit; } /** * Retrieves the raw byte content of a file in the specified tree. - * + * * @param repository * @param tree * if null, the RevTree from HEAD is assumed. @@ -725,6 +774,8 @@ try { if (tree == null) { ObjectId object = getDefaultBranch(repository); + if (object == null) + return null; RevCommit commit = rw.parseCommit(object); tree = commit.getTree(); } @@ -737,18 +788,8 @@ ObjectId entid = tw.getObjectId(0); FileMode entmode = tw.getFileMode(0); if (entmode != FileMode.GITLINK) { - RevObject ro = rw.lookupAny(entid, entmode.getObjectType()); - rw.parseBody(ro); - ByteArrayOutputStream os = new ByteArrayOutputStream(); - ObjectLoader ldr = repository.open(ro.getId(), Constants.OBJ_BLOB); - byte[] tmp = new byte[4096]; - InputStream in = ldr.openStream(); - int n; - while ((n = in.read(tmp)) > 0) { - os.write(tmp, 0, n); - } - in.close(); - content = os.toByteArray(); + ObjectLoader ldr = repository.open(entid, Constants.OBJ_BLOB); + content = ldr.getCachedBytes(); } } } catch (Throwable t) { @@ -757,14 +798,14 @@ } } finally { rw.dispose(); - tw.release(); + tw.close(); } return content; } /** * Returns the UTF-8 string content of a file in the specified tree. - * + * * @param repository * @param tree * if null, the RevTree from HEAD is assumed. @@ -782,7 +823,7 @@ /** * Gets the raw byte content of the specified blob object. - * + * * @param repository * @param objectId * @return byte [] blob content @@ -792,17 +833,8 @@ byte[] content = null; try { RevBlob blob = rw.lookupBlob(ObjectId.fromString(objectId)); - rw.parseBody(blob); - ByteArrayOutputStream os = new ByteArrayOutputStream(); ObjectLoader ldr = repository.open(blob.getId(), Constants.OBJ_BLOB); - byte[] tmp = new byte[4096]; - InputStream in = ldr.openStream(); - int n; - while ((n = in.read(tmp)) > 0) { - os.write(tmp, 0, n); - } - in.close(); - content = os.toByteArray(); + content = ldr.getCachedBytes(); } catch (Throwable t) { error(t, repository, "{0} can't find blob {1}", objectId); } finally { @@ -813,7 +845,7 @@ /** * Gets the UTF-8 string content of the blob specified by objectId. - * + * * @param repository * @param objectId * @param charsets optional @@ -831,7 +863,7 @@ * Returns the list of files in the specified folder at the specified * commit. If the repository does not exist or is empty, an empty list is * returned. - * + * * @param repository * @param path * if unspecified, root folder is assumed. @@ -877,7 +909,64 @@ } catch (IOException e) { error(e, repository, "{0} failed to get files for commit {1}", commit.getName()); } finally { - tw.release(); + tw.close(); + } + Collections.sort(list); + return list; + } + + /** + * Returns the list of files in the specified folder at the specified + * commit. If the repository does not exist or is empty, an empty list is + * returned. + * + * This is modified version that implements path compression feature. + * + * @param repository + * @param path + * if unspecified, root folder is assumed. + * @param commit + * if null, HEAD is assumed. + * @return list of files in specified path + */ + public static List<PathModel> getFilesInPath2(Repository repository, String path, RevCommit commit) { + + List<PathModel> list = new ArrayList<PathModel>(); + if (!hasCommits(repository)) { + return list; + } + if (commit == null) { + commit = getCommit(repository, null); + } + final TreeWalk tw = new TreeWalk(repository); + try { + + tw.addTree(commit.getTree()); + final boolean isPathEmpty = Strings.isNullOrEmpty(path); + + if (!isPathEmpty) { + PathFilter f = PathFilter.create(path); + tw.setFilter(f); + } + + tw.setRecursive(true); + List<String> paths = new ArrayList<>(); + + while (tw.next()) { + String child = isPathEmpty ? tw.getPathString() + : tw.getPathString().replaceFirst(String.format("%s/", path), ""); + paths.add(child); + } + + for(String p: PathUtils.compressPaths(paths)) { + String pathString = isPathEmpty ? p : String.format("%s/%s", path, p); + list.add(getPathModel(repository, pathString, path, commit)); + } + + } catch (IOException e) { + error(e, repository, "{0} failed to get files for commit {1}", commit.getName()); + } finally { + tw.close(); } Collections.sort(list); return list; @@ -886,13 +975,28 @@ /** * Returns the list of files changed in a specified commit. If the * repository does not exist or is empty, an empty list is returned. - * + * * @param repository * @param commit * if null, HEAD is assumed. * @return list of files changed in a commit */ public static List<PathChangeModel> getFilesInCommit(Repository repository, RevCommit commit) { + return getFilesInCommit(repository, commit, true); + } + + /** + * Returns the list of files changed in a specified commit. If the + * repository does not exist or is empty, an empty list is returned. + * + * @param repository + * @param commit + * if null, HEAD is assumed. + * @param calculateDiffStat + * if true, each PathChangeModel will have insertions/deletions + * @return list of files changed in a commit + */ + public static List<PathChangeModel> getFilesInCommit(Repository repository, RevCommit commit, boolean calculateDiffStat) { List<PathChangeModel> list = new ArrayList<PathChangeModel>(); if (!hasCommits(repository)) { return list; @@ -910,33 +1014,49 @@ tw.setRecursive(true); tw.addTree(commit.getTree()); while (tw.next()) { - list.add(new PathChangeModel(tw.getPathString(), tw.getPathString(), 0, tw - .getRawMode(0), tw.getObjectId(0).getName(), commit.getId().getName(), + long size = 0; + FilestoreModel filestoreItem = null; + ObjectId objectId = tw.getObjectId(0); + + try { + if (!tw.isSubtree() && (tw.getFileMode(0) != FileMode.GITLINK)) { + + size = tw.getObjectReader().getObjectSize(objectId, Constants.OBJ_BLOB); + + if (isPossibleFilestoreItem(size)) { + filestoreItem = getFilestoreItem(tw.getObjectReader().open(objectId)); + } + } + } catch (Throwable t) { + error(t, null, "failed to retrieve blob size for " + tw.getPathString()); + } + + list.add(new PathChangeModel(tw.getPathString(), tw.getPathString(),filestoreItem, size, tw + .getRawMode(0), objectId.getName(), commit.getId().getName(), ChangeType.ADD)); } - tw.release(); + tw.close(); } else { RevCommit parent = rw.parseCommit(commit.getParent(0).getId()); - DiffFormatter df = new DiffFormatter(DisabledOutputStream.INSTANCE); + DiffStatFormatter df = new DiffStatFormatter(commit.getName(), repository); df.setRepository(repository); df.setDiffComparator(RawTextComparator.DEFAULT); df.setDetectRenames(true); List<DiffEntry> diffs = df.scan(parent.getTree(), commit.getTree()); for (DiffEntry diff : diffs) { - String objectId = diff.getNewId().name(); - if (diff.getChangeType().equals(ChangeType.DELETE)) { - list.add(new PathChangeModel(diff.getOldPath(), diff.getOldPath(), 0, diff - .getNewMode().getBits(), objectId, commit.getId().getName(), diff - .getChangeType())); - } else if (diff.getChangeType().equals(ChangeType.RENAME)) { - list.add(new PathChangeModel(diff.getOldPath(), diff.getNewPath(), 0, diff - .getNewMode().getBits(), objectId, commit.getId().getName(), diff - .getChangeType())); - } else { - list.add(new PathChangeModel(diff.getNewPath(), diff.getNewPath(), 0, diff - .getNewMode().getBits(), objectId, commit.getId().getName(), diff - .getChangeType())); + // create the path change model + PathChangeModel pcm = PathChangeModel.from(diff, commit.getName(), repository); + + if (calculateDiffStat) { + // update file diffstats + df.format(diff); + PathChangeModel pathStat = df.getDiffStat().getPath(pcm.path); + if (pathStat != null) { + pcm.insertions = pathStat.insertions; + pcm.deletions = pathStat.deletions; + } } + list.add(pcm); } } } catch (Throwable t) { @@ -950,7 +1070,37 @@ /** * Returns the list of files changed in a specified commit. If the * repository does not exist or is empty, an empty list is returned. - * + * + * @param repository + * @param startCommit + * earliest commit + * @param endCommit + * most recent commit. if null, HEAD is assumed. + * @return list of files changed in a commit range + */ + public static List<PathChangeModel> getFilesInRange(Repository repository, String startCommit, String endCommit) { + List<PathChangeModel> list = new ArrayList<PathChangeModel>(); + if (!hasCommits(repository)) { + return list; + } + try { + ObjectId startRange = repository.resolve(startCommit); + ObjectId endRange = repository.resolve(endCommit); + RevWalk rw = new RevWalk(repository); + RevCommit start = rw.parseCommit(startRange); + RevCommit end = rw.parseCommit(endRange); + list.addAll(getFilesInRange(repository, start, end)); + rw.close(); + } catch (Throwable t) { + error(t, repository, "{0} failed to determine files in range {1}..{2}!", startCommit, endCommit); + } + return list; + } + + /** + * Returns the list of files changed in a specified commit. If the + * repository does not exist or is empty, an empty list is returned. + * * @param repository * @param startCommit * earliest commit @@ -971,21 +1121,9 @@ List<DiffEntry> diffEntries = df.scan(startCommit.getTree(), endCommit.getTree()); for (DiffEntry diff : diffEntries) { - - if (diff.getChangeType().equals(ChangeType.DELETE)) { - list.add(new PathChangeModel(diff.getOldPath(), diff.getOldPath(), 0, diff - .getNewMode().getBits(), diff.getOldId().name(), null, diff - .getChangeType())); - } else if (diff.getChangeType().equals(ChangeType.RENAME)) { - list.add(new PathChangeModel(diff.getOldPath(), diff.getNewPath(), 0, diff - .getNewMode().getBits(), diff.getNewId().name(), null, diff - .getChangeType())); - } else { - list.add(new PathChangeModel(diff.getNewPath(), diff.getNewPath(), 0, diff - .getNewMode().getBits(), diff.getNewId().name(), null, diff - .getChangeType())); - } - } + PathChangeModel pcm = PathChangeModel.from(diff, endCommit.getName(), repository); + list.add(pcm); + } Collections.sort(list); } catch (Throwable t) { error(t, repository, "{0} failed to determine files in range {1}..{2}!", startCommit, endCommit); @@ -996,7 +1134,7 @@ * Returns the list of files in the repository on the default branch that * match one of the specified extensions. This is a CASE-SENSITIVE search. * If the repository does not exist or is empty, an empty list is returned. - * + * * @param repository * @param extensions * @return list of files in repository with a matching extension @@ -1009,7 +1147,7 @@ * Returns the list of files in the repository in the specified commit that * match one of the specified extensions. This is a CASE-SENSITIVE search. * If the repository does not exist or is empty, an empty list is returned. - * + * * @param repository * @param extensions * @param objectId @@ -1029,10 +1167,10 @@ List<TreeFilter> suffixFilters = new ArrayList<TreeFilter>(); for (String extension : extensions) { if (extension.charAt(0) == '.') { - suffixFilters.add(PathSuffixFilter.create("\\" + extension)); + suffixFilters.add(PathSuffixFilter.create(extension)); } else { // escape the . since this is a regexp filter - suffixFilters.add(PathSuffixFilter.create("\\." + extension)); + suffixFilters.add(PathSuffixFilter.create("." + extension)); } } TreeFilter filter; @@ -1050,7 +1188,7 @@ } catch (IOException e) { error(e, repository, "{0} failed to get documents for commit {1}", commit.getName()); } finally { - tw.release(); + tw.close(); } Collections.sort(list); return list; @@ -1058,7 +1196,7 @@ /** * Returns a path model of the current file in the treewalk. - * + * * @param tw * @param basePath * @param commit @@ -1067,26 +1205,104 @@ private static PathModel getPathModel(TreeWalk tw, String basePath, RevCommit commit) { String name; long size = 0; + if (StringUtils.isEmpty(basePath)) { name = tw.getPathString(); } else { name = tw.getPathString().substring(basePath.length() + 1); } ObjectId objectId = tw.getObjectId(0); + FilestoreModel filestoreItem = null; + try { if (!tw.isSubtree() && (tw.getFileMode(0) != FileMode.GITLINK)) { + size = tw.getObjectReader().getObjectSize(objectId, Constants.OBJ_BLOB); + + if (isPossibleFilestoreItem(size)) { + filestoreItem = getFilestoreItem(tw.getObjectReader().open(objectId)); + } } } catch (Throwable t) { error(t, null, "failed to retrieve blob size for " + tw.getPathString()); } - return new PathModel(name, tw.getPathString(), size, tw.getFileMode(0).getBits(), + return new PathModel(name, tw.getPathString(), filestoreItem, size, tw.getFileMode(0).getBits(), objectId.getName(), commit.getName()); + } + + public static boolean isPossibleFilestoreItem(long size) { + return ( (size >= com.gitblit.Constants.LEN_FILESTORE_META_MIN) + && (size <= com.gitblit.Constants.LEN_FILESTORE_META_MAX)); + } + + /** + * + * @return Representative FilestoreModel if valid, otherwise null + */ + public static FilestoreModel getFilestoreItem(ObjectLoader obj){ + try { + final byte[] blob = obj.getCachedBytes(com.gitblit.Constants.LEN_FILESTORE_META_MAX); + final String meta = new String(blob, "UTF-8"); + + return FilestoreModel.fromMetaString(meta); + + } catch (LargeObjectException e) { + //Intentionally failing silent + } catch (Exception e) { + error(e, null, "failed to retrieve filestoreItem " + obj.toString()); + } + + return null; } /** + * Returns a path model by path string + * + * @param repo + * @param path + * @param filter + * @param commit + * @return a path model of the specified object + */ + private static PathModel getPathModel(Repository repo, String path, String filter, RevCommit commit) + throws IOException { + + long size = 0; + FilestoreModel filestoreItem = null; + TreeWalk tw = TreeWalk.forPath(repo, path, commit.getTree()); + String pathString = path; + + if (!tw.isSubtree() && (tw.getFileMode(0) != FileMode.GITLINK)) { + + pathString = PathUtils.getLastPathComponent(pathString); + + size = tw.getObjectReader().getObjectSize(tw.getObjectId(0), Constants.OBJ_BLOB); + + if (isPossibleFilestoreItem(size)) { + filestoreItem = getFilestoreItem(tw.getObjectReader().open(tw.getObjectId(0))); + } + } else if (tw.isSubtree()) { + + // do not display dirs that are behind in the path + if (!Strings.isNullOrEmpty(filter)) { + pathString = path.replaceFirst(filter + "/", ""); + } + + // remove the last slash from path in displayed link + if (pathString != null && pathString.charAt(pathString.length()-1) == '/') { + pathString = pathString.substring(0, pathString.length()-1); + } + } + + return new PathModel(pathString, tw.getPathString(), filestoreItem, size, tw.getFileMode(0).getBits(), + tw.getObjectId(0).getName(), commit.getName()); + + } + + + /** * Returns a permissions representation of the mode bits. - * + * * @param mode * @return string representation of the mode bits */ @@ -1108,7 +1324,7 @@ /** * Returns a list of commits since the minimum date starting from the * specified object id. - * + * * @param repository * @param objectId * if unspecified, HEAD is assumed. @@ -1146,7 +1362,7 @@ /** * Returns a list of commits starting from HEAD and working backwards. - * + * * @param repository * @param maxCount * if < 0, all commits for the repository are returned. @@ -1161,7 +1377,7 @@ * offset and maxCount for paging. This is similar to LIMIT n OFFSET p in * SQL. If the repository does not exist or is empty, an empty list is * returned. - * + * * @param repository * @param objectId * if unspecified, HEAD is assumed. @@ -1180,7 +1396,7 @@ * repository. Caller may specify ending revision with objectId. Caller may * specify offset and maxCount to achieve pagination of results. If the * repository does not exist or is empty, an empty list is returned. - * + * * @param repository * @param objectId * if unspecified, HEAD is assumed. @@ -1225,7 +1441,7 @@ RevWalk rw = new RevWalk(repository); rw.markStart(rw.parseCommit(endRange)); if (startRange != null) { - rw.markUninteresting(rw.parseCommit(startRange)); + rw.markUninteresting(rw.parseCommit(startRange)); } if (!StringUtils.isEmpty(path)) { TreeFilter filter = AndTreeFilter.create( @@ -1264,7 +1480,7 @@ * Returns a list of commits for the repository within the range specified * by startRangeId and endRangeId. If the repository does not exist or is * empty, an empty list is returned. - * + * * @param repository * @param startRangeId * the first commit (not included in results) @@ -1309,7 +1525,7 @@ * Search results require a specified SearchType of AUTHOR, COMMITTER, or * COMMIT. Results may be paginated using offset and maxCount. If the * repository does not exist or is empty, an empty list is returned. - * + * * @param repository * @param objectId * if unspecified, HEAD is assumed. @@ -1323,14 +1539,17 @@ */ public static List<RevCommit> searchRevlogs(Repository repository, String objectId, String value, final com.gitblit.Constants.SearchType type, int offset, int maxCount) { - final String lcValue = value.toLowerCase(); List<RevCommit> list = new ArrayList<RevCommit>(); + if (StringUtils.isEmpty(value)) { + return list; + } if (maxCount == 0) { return list; } if (!hasCommits(repository)) { return list; } + final String lcValue = value.toLowerCase(); try { // resolve branch ObjectId branchObject; @@ -1406,7 +1625,7 @@ * Returns the default branch to use for a repository. Normally returns * whatever branch HEAD points to, but if HEAD points to nothing it returns * the most recently updated branch. - * + * * @param repository * @return the objectid of a branch * @throws Exception @@ -1447,29 +1666,12 @@ String target = null; try { target = repository.getFullBranch(); - if (!target.startsWith(Constants.R_HEADS)) { - // refers to an actual commit, probably a tag - // find latest tag that matches the commit, if any - List<RefModel> tagModels = getTags(repository, true, -1); - if (tagModels.size() > 0) { - RefModel tag = null; - Date lastDate = new Date(0); - for (RefModel tagModel : tagModels) { - if (tagModel.getReferencedObjectId().getName().equals(target) && - tagModel.getDate().after(lastDate)) { - tag = tagModel; - lastDate = tag.getDate(); - } - } - target = tag.getName(); - } - } } catch (Throwable t) { error(t, repository, "{0} failed to get symbolic HEAD target"); } return target; } - + /** * Sets the symbolic ref HEAD to the specified target ref. The * HEAD will be detached if the target ref is not a branch. @@ -1496,7 +1698,7 @@ case FORCED: case NO_CHANGE: case FAST_FORWARD: - return true; + return true; default: LOGGER.error(MessageFormat.format("{0} HEAD update to {1} returned result {2}", repository.getDirectory().getAbsolutePath(), targetRef, result)); @@ -1506,7 +1708,7 @@ } return false; } - + /** * Sets the local branch ref to point to the specified commit id. * @@ -1517,7 +1719,7 @@ */ public static boolean setBranchRef(Repository repository, String branch, String commitId) { String branchName = branch; - if (!branchName.startsWith(Constants.R_HEADS)) { + if (!branchName.startsWith(Constants.R_REFS)) { branchName = Constants.R_HEADS + branch; } @@ -1531,7 +1733,7 @@ case FORCED: case NO_CHANGE: case FAST_FORWARD: - return true; + return true; default: LOGGER.error(MessageFormat.format("{0} {1} update to {2} returned result {3}", repository.getDirectory().getAbsolutePath(), branchName, commitId, result)); @@ -1541,22 +1743,18 @@ } return false; } - + /** * Deletes the specified branch ref. - * + * * @param repository * @param branch * @return true if successful */ public static boolean deleteBranchRef(Repository repository, String branch) { - String branchName = branch; - if (!branchName.startsWith(Constants.R_HEADS)) { - branchName = Constants.R_HEADS + branch; - } try { - RefUpdate refUpdate = repository.updateRef(branchName, false); + RefUpdate refUpdate = repository.updateRef(branch, false); refUpdate.setForceUpdate(true); RefUpdate.Result result = refUpdate.delete(); switch (result) { @@ -1564,17 +1762,17 @@ case FORCED: case NO_CHANGE: case FAST_FORWARD: - return true; + return true; default: LOGGER.error(MessageFormat.format("{0} failed to delete to {1} returned result {2}", - repository.getDirectory().getAbsolutePath(), branchName, result)); + repository.getDirectory().getAbsolutePath(), branch, result)); } } catch (Throwable t) { - error(t, repository, "{0} failed to delete {1}", branchName); + error(t, repository, "{0} failed to delete {1}", branch); } return false; } - + /** * Get the full branch and tag ref names for any potential HEAD targets. * @@ -1595,17 +1793,17 @@ /** * Returns all refs grouped by their associated object id. - * + * * @param repository * @return all refs grouped by their referenced object id */ public static Map<ObjectId, List<RefModel>> getAllRefs(Repository repository) { return getAllRefs(repository, true); } - + /** * Returns all refs grouped by their associated object id. - * + * * @param repository * @param includeRemoteRefs * @return all refs grouped by their referenced object id @@ -1629,7 +1827,7 @@ /** * Returns the list of tags in the repository. If repository does not exist * or is empty, an empty list is returned. - * + * * @param repository * @param fullName * if true, /refs/tags/yadayadayada is returned. If false, @@ -1643,9 +1841,27 @@ } /** + * Returns the list of tags in the repository. If repository does not exist + * or is empty, an empty list is returned. + * + * @param repository + * @param fullName + * if true, /refs/tags/yadayadayada is returned. If false, + * yadayadayada is returned. + * @param maxCount + * if < 0, all tags are returned + * @param offset + * if maxCount provided sets the starting point of the records to return + * @return list of tags + */ + public static List<RefModel> getTags(Repository repository, boolean fullName, int maxCount, int offset) { + return getRefs(repository, Constants.R_TAGS, fullName, maxCount, offset); + } + + /** * Returns the list of local branches in the repository. If repository does * not exist or is empty, an empty list is returned. - * + * * @param repository * @param fullName * if true, /refs/heads/yadayadayada is returned. If false, @@ -1662,7 +1878,7 @@ /** * Returns the list of remote branches in the repository. If repository does * not exist or is empty, an empty list is returned. - * + * * @param repository * @param fullName * if true, /refs/remotes/yadayadayada is returned. If false, @@ -1679,7 +1895,7 @@ /** * Returns the list of note branches. If repository does not exist or is * empty, an empty list is returned. - * + * * @param repository * @param fullName * if true, /refs/notes/yadayadayada is returned. If false, @@ -1692,11 +1908,11 @@ int maxCount) { return getRefs(repository, Constants.R_NOTES, fullName, maxCount); } - + /** - * Returns the list of refs in the specified base ref. If repository does + * Returns the list of refs in the specified base ref. If repository does * not exist or is empty, an empty list is returned. - * + * * @param repository * @param fullName * if true, /refs/yadayadayada is returned. If false, @@ -1710,7 +1926,7 @@ /** * Returns a list of references in the repository matching "refs". If the * repository is null or empty, an empty list is returned. - * + * * @param repository * @param refs * if unspecified, all refs are returned @@ -1723,6 +1939,27 @@ */ private static List<RefModel> getRefs(Repository repository, String refs, boolean fullName, int maxCount) { + return getRefs(repository, refs, fullName, maxCount, 0); + } + + /** + * Returns a list of references in the repository matching "refs". If the + * repository is null or empty, an empty list is returned. + * + * @param repository + * @param refs + * if unspecified, all refs are returned + * @param fullName + * if true, /refs/something/yadayadayada is returned. If false, + * yadayadayada is returned. + * @param maxCount + * if < 0, all references are returned + * @param offset + * if maxCount provided sets the starting point of the records to return + * @return list of references + */ + private static List<RefModel> getRefs(Repository repository, String refs, boolean fullName, + int maxCount, int offset) { List<RefModel> list = new ArrayList<RefModel>(); if (maxCount == 0) { return list; @@ -1746,7 +1983,14 @@ Collections.sort(list); Collections.reverse(list); if (maxCount > 0 && list.size() > maxCount) { - list = new ArrayList<RefModel>(list.subList(0, maxCount)); + if (offset < 0) { + offset = 0; + } + int endIndex = offset + maxCount; + if (endIndex > list.size()) { + endIndex = list.size(); + } + list = new ArrayList<RefModel>(list.subList(offset, endIndex)); } } catch (IOException e) { error(e, repository, "{0} failed to retrieve {1}", refs); @@ -1757,7 +2001,7 @@ /** * Returns a RefModel for the gh-pages branch in the repository. If the * branch can not be found, null is returned. - * + * * @param repository * @return a refmodel for the gh-pages branch or null */ @@ -1768,7 +2012,7 @@ /** * Returns a RefModel for a specific branch name in the repository. If the * branch can not be found, null is returned. - * + * * @param repository * @return a refmodel for the branch or null */ @@ -1797,10 +2041,10 @@ } return branch; } - + /** * Returns the list of submodules for this repository. - * + * * @param repository * @param commit * @return list of submodules @@ -1809,10 +2053,10 @@ RevCommit commit = getCommit(repository, commitId); return getSubmodules(repository, commit.getTree()); } - + /** * Returns the list of submodules for this repository. - * + * * @param repository * @param commit * @return list of submodules @@ -1835,11 +2079,11 @@ } return list; } - + /** * Returns the submodule definition for the specified path at the specified * commit. If no module is defined for the path, null is returned. - * + * * @param repository * @param commit * @param path @@ -1853,7 +2097,7 @@ } return null; } - + public static String getSubmoduleCommitId(Repository repository, String path, RevCommit commit) { String commitId = null; RevWalk rw = new RevWalk(repository); @@ -1875,7 +2119,7 @@ error(t, repository, "{0} can't find {1} in commit {2}", path, commit.name()); } finally { rw.dispose(); - tw.release(); + tw.close(); } return commitId; } @@ -1884,7 +2128,7 @@ * Returns the list of notes entered about the commit from the refs/notes * namespace. If the repository does not exist or is empty, an empty list is * returned. - * + * * @param repository * @param commit * @return list of notes @@ -1908,7 +2152,7 @@ list.add(gitNote); continue; } - + // folder structure StringBuilder sb = new StringBuilder(commit.getName()); sb.insert(2, '/'); @@ -1928,7 +2172,7 @@ /** * this method creates an incremental revision number as a tag according to * the amount of already existing tags, which start with a defined prefix. - * + * * @param repository * @param objectId * @param tagger @@ -1962,7 +2206,7 @@ /** * creates a tag in a repository - * + * * @param repository * @param objectId, the ref the tag points towards * @param tagger, the person tagging the object @@ -1971,7 +2215,7 @@ * @return boolean, true if operation was successful, otherwise false */ public static boolean createTag(Repository repository, String objectId, PersonIdent tagger, String tag, String message) { - try { + try { Git gitClient = Git.open(repository.getDirectory()); TagCommand tagCommand = gitClient.tag(); tagCommand.setTagger(tagger); @@ -1981,17 +2225,17 @@ tagCommand.setObjectId(revObj); } tagCommand.setName(tag); - Ref call = tagCommand.call(); + Ref call = tagCommand.call(); return call != null ? true : false; } catch (Exception e) { error(e, repository, "Failed to create tag {1} in repository {0}", objectId, tag); } return false; } - + /** * Create an orphaned branch in a repository. - * + * * @param repository * @param branchName * @param author @@ -2049,20 +2293,20 @@ success = false; } } finally { - revWalk.release(); + revWalk.close(); } } finally { - odi.release(); + odi.close(); } } catch (Throwable t) { error(t, repository, "Failed to create orphan branch {1} in repository {0}", branchName); } return success; } - + /** * Reads the sparkleshare id, if present, from the repository. - * + * * @param repository * @return an id or null */ @@ -2073,4 +2317,593 @@ } return StringUtils.decodeString(content); } + + /** + * Automatic repair of (some) invalid refspecs. These are the result of a + * bug in JGit cloning where a double forward-slash was injected. :( + * + * @param repository + * @return true, if the refspecs were repaired + */ + public static boolean repairFetchSpecs(Repository repository) { + StoredConfig rc = repository.getConfig(); + + // auto-repair broken fetch ref specs + for (String name : rc.getSubsections("remote")) { + int invalidSpecs = 0; + int repairedSpecs = 0; + List<String> specs = new ArrayList<String>(); + for (String spec : rc.getStringList("remote", name, "fetch")) { + try { + RefSpec rs = new RefSpec(spec); + // valid spec + specs.add(spec); + } catch (IllegalArgumentException e) { + // invalid spec + invalidSpecs++; + if (spec.contains("//")) { + // auto-repair this known spec bug + spec = spec.replace("//", "/"); + specs.add(spec); + repairedSpecs++; + } + } + } + + if (invalidSpecs == repairedSpecs && repairedSpecs > 0) { + // the fetch specs were automatically repaired + rc.setStringList("remote", name, "fetch", specs); + try { + rc.save(); + rc.load(); + LOGGER.debug("repaired {} invalid fetch refspecs for {}", repairedSpecs, repository.getDirectory()); + return true; + } catch (Exception e) { + LOGGER.error(null, e); + } + } else if (invalidSpecs > 0) { + LOGGER.error("mirror executor found {} invalid fetch refspecs for {}", invalidSpecs, repository.getDirectory()); + } + } + return false; + } + + /** + * Returns true if the commit identified by commitId is an ancestor or the + * the commit identified by tipId. + * + * @param repository + * @param commitId + * @param tipId + * @return true if there is the commit is an ancestor of the tip + */ + public static boolean isMergedInto(Repository repository, String commitId, String tipId) { + try { + return isMergedInto(repository, repository.resolve(commitId), repository.resolve(tipId)); + } catch (Exception e) { + LOGGER.error("Failed to determine isMergedInto", e); + } + return false; + } + + /** + * Returns true if the commit identified by commitId is an ancestor or the + * the commit identified by tipId. + * + * @param repository + * @param commitId + * @param tipId + * @return true if there is the commit is an ancestor of the tip + */ + public static boolean isMergedInto(Repository repository, ObjectId commitId, ObjectId tipCommitId) { + // traverse the revlog looking for a commit chain between the endpoints + RevWalk rw = new RevWalk(repository); + try { + // must re-lookup RevCommits to workaround undocumented RevWalk bug + RevCommit tip = rw.lookupCommit(tipCommitId); + RevCommit commit = rw.lookupCommit(commitId); + return rw.isMergedInto(commit, tip); + } catch (Exception e) { + LOGGER.error("Failed to determine isMergedInto", e); + } finally { + rw.dispose(); + } + return false; + } + + /** + * Returns the merge base of two commits or null if there is no common + * ancestry. + * + * @param repository + * @param commitIdA + * @param commitIdB + * @return the commit id of the merge base or null if there is no common base + */ + public static String getMergeBase(Repository repository, ObjectId commitIdA, ObjectId commitIdB) { + RevWalk rw = new RevWalk(repository); + try { + RevCommit a = rw.lookupCommit(commitIdA); + RevCommit b = rw.lookupCommit(commitIdB); + + rw.setRevFilter(RevFilter.MERGE_BASE); + rw.markStart(a); + rw.markStart(b); + RevCommit mergeBase = rw.next(); + if (mergeBase == null) { + return null; + } + return mergeBase.getName(); + } catch (Exception e) { + LOGGER.error("Failed to determine merge base", e); + } finally { + rw.dispose(); + } + return null; + } + + public static enum MergeStatus { + MISSING_INTEGRATION_BRANCH, MISSING_SRC_BRANCH, NOT_MERGEABLE, FAILED, ALREADY_MERGED, MERGEABLE, MERGED; + } + + /** + * Determines if we can cleanly merge one branch into another. Returns true + * if we can merge without conflict, otherwise returns false. + * + * @param repository + * @param src + * @param toBranch + * @return true if we can merge without conflict + */ + public static MergeStatus canMerge(Repository repository, String src, String toBranch) { + RevWalk revWalk = null; + try { + revWalk = new RevWalk(repository); + ObjectId branchId = repository.resolve(toBranch); + if (branchId == null) { + return MergeStatus.MISSING_INTEGRATION_BRANCH; + } + ObjectId srcId = repository.resolve(src); + if (srcId == null) { + return MergeStatus.MISSING_SRC_BRANCH; + } + RevCommit branchTip = revWalk.lookupCommit(branchId); + RevCommit srcTip = revWalk.lookupCommit(srcId); + if (revWalk.isMergedInto(srcTip, branchTip)) { + // already merged + return MergeStatus.ALREADY_MERGED; + } else if (revWalk.isMergedInto(branchTip, srcTip)) { + // fast-forward + return MergeStatus.MERGEABLE; + } + RecursiveMerger merger = (RecursiveMerger) MergeStrategy.RECURSIVE.newMerger(repository, true); + boolean canMerge = merger.merge(branchTip, srcTip); + if (canMerge) { + return MergeStatus.MERGEABLE; + } + } catch (NullPointerException e) { + LOGGER.error("Failed to determine canMerge", e); + } catch (IOException e) { + LOGGER.error("Failed to determine canMerge", e); + } finally { + if (revWalk != null) { + revWalk.close(); + } + } + return MergeStatus.NOT_MERGEABLE; + } + + + public static class MergeResult { + public final MergeStatus status; + public final String sha; + + MergeResult(MergeStatus status, String sha) { + this.status = status; + this.sha = sha; + } + } + + /** + * Tries to merge a commit into a branch. If there are conflicts, the merge + * will fail. + * + * @param repository + * @param src + * @param toBranch + * @param committer + * @param message + * @return the merge result + */ + public static MergeResult merge(Repository repository, String src, String toBranch, + PersonIdent committer, String message) { + + if (!toBranch.startsWith(Constants.R_REFS)) { + // branch ref doesn't start with ref, assume this is a branch head + toBranch = Constants.R_HEADS + toBranch; + } + + RevWalk revWalk = null; + try { + revWalk = new RevWalk(repository); + RevCommit branchTip = revWalk.lookupCommit(repository.resolve(toBranch)); + RevCommit srcTip = revWalk.lookupCommit(repository.resolve(src)); + if (revWalk.isMergedInto(srcTip, branchTip)) { + // already merged + return new MergeResult(MergeStatus.ALREADY_MERGED, null); + } + RecursiveMerger merger = (RecursiveMerger) MergeStrategy.RECURSIVE.newMerger(repository, true); + boolean merged = merger.merge(branchTip, srcTip); + if (merged) { + // create a merge commit and a reference to track the merge commit + ObjectId treeId = merger.getResultTreeId(); + ObjectInserter odi = repository.newObjectInserter(); + try { + // Create a commit object + CommitBuilder commitBuilder = new CommitBuilder(); + commitBuilder.setCommitter(committer); + commitBuilder.setAuthor(committer); + commitBuilder.setEncoding(Constants.CHARSET); + if (StringUtils.isEmpty(message)) { + message = MessageFormat.format("merge {0} into {1}", srcTip.getName(), branchTip.getName()); + } + commitBuilder.setMessage(message); + commitBuilder.setParentIds(branchTip.getId(), srcTip.getId()); + commitBuilder.setTreeId(treeId); + + // Insert the merge commit into the repository + ObjectId mergeCommitId = odi.insert(commitBuilder); + odi.flush(); + + // set the merge ref to the merge commit + RevCommit mergeCommit = revWalk.parseCommit(mergeCommitId); + RefUpdate mergeRefUpdate = repository.updateRef(toBranch); + mergeRefUpdate.setNewObjectId(mergeCommitId); + mergeRefUpdate.setRefLogMessage("commit: " + mergeCommit.getShortMessage(), false); + RefUpdate.Result rc = mergeRefUpdate.update(); + switch (rc) { + case FAST_FORWARD: + // successful, clean merge + break; + default: + throw new GitBlitException(MessageFormat.format("Unexpected result \"{0}\" when merging commit {1} into {2} in {3}", + rc.name(), srcTip.getName(), branchTip.getName(), repository.getDirectory())); + } + + // return the merge commit id + return new MergeResult(MergeStatus.MERGED, mergeCommitId.getName()); + } finally { + odi.close(); + } + } + } catch (IOException e) { + LOGGER.error("Failed to merge", e); + } finally { + if (revWalk != null) { + revWalk.close(); + } + } + return new MergeResult(MergeStatus.FAILED, null); + } + + + /** + * Returns the LFS URL for the given oid + * Currently assumes that the Gitblit Filestore is used + * + * @param baseURL + * @param repository name + * @param oid of lfs item + * @return the lfs item URL + */ + public static String getLfsRepositoryUrl(String baseURL, String repositoryName, String oid) { + + if (baseURL.length() > 0 && baseURL.charAt(baseURL.length() - 1) == '/') { + baseURL = baseURL.substring(0, baseURL.length() - 1); + } + + return baseURL + com.gitblit.Constants.R_PATH + + repositoryName + "/" + + com.gitblit.Constants.R_LFS + + "objects/" + oid; + + } + + /** + * Returns all tree entries that do not match the ignore paths. + * + * @param db + * @param ignorePaths + * @param dcBuilder + * @throws IOException + */ + public static List<DirCacheEntry> getTreeEntries(Repository db, String branch, Collection<String> ignorePaths) throws IOException { + List<DirCacheEntry> list = new ArrayList<DirCacheEntry>(); + TreeWalk tw = null; + try { + ObjectId treeId = db.resolve(branch + "^{tree}"); + if (treeId == null) { + // branch does not exist yet + return list; + } + tw = new TreeWalk(db); + int hIdx = tw.addTree(treeId); + tw.setRecursive(true); + + while (tw.next()) { + String path = tw.getPathString(); + CanonicalTreeParser hTree = null; + if (hIdx != -1) { + hTree = tw.getTree(hIdx, CanonicalTreeParser.class); + } + if (!ignorePaths.contains(path)) { + // add all other tree entries + if (hTree != null) { + final DirCacheEntry entry = new DirCacheEntry(path); + entry.setObjectId(hTree.getEntryObjectId()); + entry.setFileMode(hTree.getEntryFileMode()); + list.add(entry); + } + } + } + } finally { + if (tw != null) { + tw.close(); + } + } + return list; + } + + public static boolean commitIndex(Repository db, String branch, DirCache index, + ObjectId parentId, boolean forceCommit, + String author, String authorEmail, String message) throws IOException, ConcurrentRefUpdateException { + boolean success = false; + + ObjectId headId = db.resolve(branch + "^{commit}"); + ObjectId baseId = parentId; + if (baseId == null || headId == null) { return false; } + + ObjectInserter odi = db.newObjectInserter(); + try { + // Create the in-memory index of the new/updated ticket + ObjectId indexTreeId = index.writeTree(odi); + + // Create a commit object + PersonIdent ident = new PersonIdent(author, authorEmail); + + if (forceCommit == false) { + ThreeWayMerger merger = MergeStrategy.RECURSIVE.newMerger(db, true); + merger.setObjectInserter(odi); + merger.setBase(baseId); + boolean mergeSuccess = merger.merge(indexTreeId, headId); + + if (mergeSuccess) { + indexTreeId = merger.getResultTreeId(); + } else { + //Manual merge required + return false; + } + } + + CommitBuilder commit = new CommitBuilder(); + commit.setAuthor(ident); + commit.setCommitter(ident); + commit.setEncoding(com.gitblit.Constants.ENCODING); + commit.setMessage(message); + commit.setParentId(headId); + commit.setTreeId(indexTreeId); + + // Insert the commit into the repository + ObjectId commitId = odi.insert(commit); + odi.flush(); + + RevWalk revWalk = new RevWalk(db); + try { + RevCommit revCommit = revWalk.parseCommit(commitId); + RefUpdate ru = db.updateRef(branch); + ru.setForceUpdate(forceCommit); + ru.setNewObjectId(commitId); + ru.setExpectedOldObjectId(headId); + ru.setRefLogMessage("commit: " + revCommit.getShortMessage(), false); + Result rc = ru.update(); + + switch (rc) { + case NEW: + case FORCED: + case FAST_FORWARD: + success = true; + break; + case REJECTED: + case LOCK_FAILURE: + throw new ConcurrentRefUpdateException(JGitText.get().couldNotLockHEAD, + ru.getRef(), rc); + default: + throw new JGitInternalException(MessageFormat.format( + JGitText.get().updatingRefFailed, branch, commitId.toString(), + rc)); + } + } finally { + revWalk.close(); + } + } finally { + odi.close(); + } + return success; + } + + /** + * Returns true if the commit identified by commitId is at the tip of it's branch. + * + * @param repository + * @param commitId + * @return true if the given commit is the tip + */ + public static boolean isTip(Repository repository, String commitId) { + try { + RefModel tip = getBranch(repository, commitId); + return (tip != null); + } catch (Exception e) { + LOGGER.error("Failed to determine isTip", e); + } + return false; + } + + /* + * Identify ticket by considering the branch the commit is on + * + * @param repository + * @param commit + * @return ticket number, or 0 if no ticket + */ + public static long getTicketNumberFromCommitBranch(Repository repository, RevCommit commit) { + // try lookup by change ref + Map<AnyObjectId, Set<Ref>> map = repository.getAllRefsByPeeledObjectId(); + Set<Ref> refs = map.get(commit.getId()); + if (!ArrayUtils.isEmpty(refs)) { + for (Ref ref : refs) { + long number = PatchsetCommand.getTicketNumber(ref.getName()); + + if (number > 0) { + return number; + } + } + } + + return 0; + } + + + /** + * Try to identify all referenced tickets from the commit. + * + * @param commit + * @return a collection of TicketLinks + */ + @NotNull + public static List<TicketLink> identifyTicketsFromCommitMessage(Repository repository, IStoredSettings settings, + RevCommit commit) { + List<TicketLink> ticketLinks = new ArrayList<TicketLink>(); + List<Long> linkedTickets = new ArrayList<Long>(); + + // parse commit message looking for fixes/closes #n + final String xFixDefault = "(?:fixes|closes)[\\s-]+#?(\\d+)"; + String xFix = settings.getString(Keys.tickets.closeOnPushCommitMessageRegex, xFixDefault); + if (StringUtils.isEmpty(xFix)) { + xFix = xFixDefault; + } + try { + Pattern p = Pattern.compile(xFix, Pattern.CASE_INSENSITIVE); + Matcher m = p.matcher(commit.getFullMessage()); + while (m.find()) { + String val = m.group(1); + long number = Long.parseLong(val); + + if (number > 0) { + ticketLinks.add(new TicketLink(number, TicketAction.Close)); + linkedTickets.add(number); + } + } + } catch (Exception e) { + LOGGER.error(String.format("Failed to parse \"%s\" in commit %s", xFix, commit.getName()), e); + } + + // parse commit message looking for ref #n + final String xRefDefault = "(?:ref|task|issue|bug)?[\\s-]*#(\\d+)"; + String xRef = settings.getString(Keys.tickets.linkOnPushCommitMessageRegex, xRefDefault); + if (StringUtils.isEmpty(xRef)) { + xRef = xRefDefault; + } + try { + Pattern p = Pattern.compile(xRef, Pattern.CASE_INSENSITIVE); + Matcher m = p.matcher(commit.getFullMessage()); + while (m.find()) { + String val = m.group(1); + long number = Long.parseLong(val); + //Most generic case so don't included tickets more precisely linked + if ((number > 0) && (!linkedTickets.contains(number))) { + ticketLinks.add( new TicketLink(number, TicketAction.Commit, commit.getName())); + linkedTickets.add(number); + } + } + } catch (Exception e) { + LOGGER.error(String.format("Failed to parse \"%s\" in commit %s", xRef, commit.getName()), e); + } + + return ticketLinks; + } + + /** + * Try to identify all referenced tickets between two commits + * + * @param commit + * @param parseMessage + * @param currentTicketId, or 0 if not on a ticket branch + * @return a collection of TicketLink, or null if commit is already linked + */ + public static List<TicketLink> identifyTicketsBetweenCommits(Repository repository, IStoredSettings settings, + String baseSha, String tipSha) { + List<TicketLink> links = new ArrayList<TicketLink>(); + if (repository == null) { return links; } + + RevWalk walk = new RevWalk(repository); + walk.sort(RevSort.TOPO); + walk.sort(RevSort.REVERSE, true); + try { + RevCommit tip = walk.parseCommit(repository.resolve(tipSha)); + RevCommit base = walk.parseCommit(repository.resolve(baseSha)); + walk.markStart(tip); + walk.markUninteresting(base); + for (;;) { + RevCommit commit = walk.next(); + if (commit == null) { + break; + } + links.addAll(JGitUtils.identifyTicketsFromCommitMessage(repository, settings, commit)); + } + } catch (IOException e) { + LOGGER.error("failed to identify tickets between commits.", e); + } finally { + walk.dispose(); + } + + return links; + } + + public static int countCommits(Repository repository, RevWalk walk, ObjectId baseId, ObjectId tipId) { + int count = 0; + walk.reset(); + walk.sort(RevSort.TOPO); + walk.sort(RevSort.REVERSE, true); + try { + RevCommit tip = walk.parseCommit(tipId); + RevCommit base = walk.parseCommit(baseId); + walk.markStart(tip); + walk.markUninteresting(base); + for (;;) { + RevCommit c = walk.next(); + if (c == null) { + break; + } + count++; + } + } catch (IOException e) { + // Should never happen, the core receive process would have + // identified the missing object earlier before we got control. + LOGGER.error("failed to get commit count", e); + return 0; + } finally { + walk.close(); + } + return count; + } + + public static int countCommits(Repository repository, RevWalk walk, String baseId, String tipId) { + int count = 0; + try { + count = countCommits(repository, walk, repository.resolve(baseId),repository.resolve(tipId)); + } catch (IOException e) { + LOGGER.error("failed to get commit count", e); + } + return count; + } } -- Gitblit v1.9.1