From 18d398e3ab5227fe10fe3f322798a51ce0cd10ca Mon Sep 17 00:00:00 2001 From: James Moger <james.moger@gitblit.com> Date: Thu, 23 Feb 2012 17:44:53 -0500 Subject: [PATCH] Documentation --- src/com/gitblit/utils/JGitUtils.java | 121 +++++++++++++++++++++++++++++++++++----- 1 files changed, 105 insertions(+), 16 deletions(-) diff --git a/src/com/gitblit/utils/JGitUtils.java b/src/com/gitblit/utils/JGitUtils.java index 5d6011a..a9b99a9 100644 --- a/src/com/gitblit/utils/JGitUtils.java +++ b/src/com/gitblit/utils/JGitUtils.java @@ -289,21 +289,21 @@ * Returns a list of repository names in the specified folder. * * @param repositoriesFolder - * @param exportAll - * if true, all repositories are listed. If false only the - * repositories with a "git-daemon-export-ok" file are included + * @param onlyBare + * if true, only bare repositories repositories are listed. If + * false all repositories are included. * @param searchSubfolders * recurse into subfolders to find grouped repositories * @return list of repository names */ - public static List<String> getRepositoryList(File repositoriesFolder, boolean exportAll, + public static List<String> getRepositoryList(File repositoriesFolder, boolean onlyBare, boolean searchSubfolders) { List<String> list = new ArrayList<String>(); if (repositoriesFolder == null || !repositoriesFolder.exists()) { return list; } list.addAll(getRepositoryList(repositoriesFolder.getAbsolutePath(), repositoriesFolder, - exportAll, searchSubfolders)); + onlyBare, searchSubfolders)); StringUtils.sortRepositorynames(list); return list; } @@ -315,33 +315,30 @@ * basePath is stripped from the repository name as repositories * are relative to this path * @param searchFolder - * @param exportAll - * if true all repositories are listed. If false only the - * repositories with a "git-daemon-export-ok" file are included + * @param onlyBare + * if true only bare repositories will be listed. if false all + * repositories are included. * @param searchSubfolders * recurse into subfolders to find grouped repositories * @return */ private static List<String> getRepositoryList(String basePath, File searchFolder, - boolean exportAll, boolean searchSubfolders) { + boolean onlyBare, boolean searchSubfolders) { List<String> list = new ArrayList<String>(); for (File file : searchFolder.listFiles()) { if (file.isDirectory()) { File gitDir = FileKey.resolve(new File(searchFolder, file.getName()), FS.DETECTED); if (gitDir != null) { - boolean exportRepository = exportAll - || new File(gitDir, "git-daemon-export-ok").exists(); - - if (!exportRepository) { + if (onlyBare && gitDir.getName().equals(".git")) { continue; } // determine repository name relative to base path String repository = StringUtils.getRelativePath(basePath, file.getAbsolutePath()); list.add(repository); - } else if (searchSubfolders) { + } else if (searchSubfolders && file.canRead()) { // look for repositories in subfolders - list.addAll(getRepositoryList(basePath, file, exportAll, searchSubfolders)); + list.addAll(getRepositoryList(basePath, file, onlyBare, searchSubfolders)); } } } @@ -1175,6 +1172,98 @@ } /** + * Returns the target of the symbolic HEAD reference for a repository. + * Normally returns a branch reference name, but when HEAD is detached, + * the commit is matched against the known tags. The most recent matching + * tag ref name will be returned if it references the HEAD commit. If + * no match is found, the SHA1 is returned. + * + * @param repository + * @return the ref name or the SHA1 for a detached HEAD + */ + public static String getHEADRef(Repository repository) { + 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. + * + * @param repository + * @param targetRef + * @return true if successful + */ + public static boolean setHEADtoRef(Repository repository, String targetRef) { + try { + // detach HEAD if target ref is not a branch + boolean detach = !targetRef.startsWith(Constants.R_HEADS); + RefUpdate.Result result; + RefUpdate head = repository.updateRef(Constants.HEAD, detach); + if (detach) { // Tag + RevCommit commit = getCommit(repository, targetRef); + head.setNewObjectId(commit.getId()); + result = head.forceUpdate(); + } else { + result = head.link(targetRef); + } + switch (result) { + case NEW: + case FORCED: + case NO_CHANGE: + case FAST_FORWARD: + return true; + default: + LOGGER.error(MessageFormat.format("{0} HEAD update to {1} returned result {2}", + repository.getDirectory().getAbsolutePath(), targetRef, result)); + } + } catch (Throwable t) { + error(t, repository, "{0} failed to set HEAD to {1}", targetRef); + } + return false; + } + + /** + * Get the full branch and tag ref names for any potential HEAD targets. + * + * @param repository + * @return a list of ref names + */ + public static List<String> getAvailableHeadTargets(Repository repository) { + List<String> targets = new ArrayList<String>(); + for (RefModel branchModel : JGitUtils.getLocalBranches(repository, true, -1)) { + targets.add(branchModel.getName()); + } + + for (RefModel tagModel : JGitUtils.getTags(repository, true, -1)) { + targets.add(tagModel.getName()); + } + return targets; + } + + /** * Returns all refs grouped by their associated object id. * * @param repository @@ -1408,7 +1497,7 @@ // Create a tree object to reference from a commit TreeFormatter tree = new TreeFormatter(); - tree.append("NEWBRANCH", FileMode.REGULAR_FILE, blobId); + tree.append(".branch", FileMode.REGULAR_FILE, blobId); ObjectId treeId = odi.insert(tree); // Create a commit object -- Gitblit v1.9.1