List of usage examples for org.eclipse.jgit.api Git apply
public ApplyCommand apply()
From source file:com.github.rwhogg.git_vcr.App.java
License:Open Source License
/** * main is the entry point for Git-VCR//from ww w.jav a 2 s .c o m * @param args Command-line arguments */ public static void main(String[] args) { Options options = parseCommandLine(args); HierarchicalINIConfiguration configuration = null; try { configuration = getConfiguration(); } catch (ConfigurationException e) { Util.error("could not parse configuration file!"); } // verify we are in a git folder and then construct the repo final File currentFolder = new File("."); FileRepositoryBuilder builder = new FileRepositoryBuilder(); Repository localRepo = null; try { localRepo = builder.findGitDir().build(); } catch (IOException e) { Util.error("not in a Git folder!"); } // deal with submodules assert localRepo != null; if (localRepo.isBare()) { FileRepositoryBuilder parentBuilder = new FileRepositoryBuilder(); Repository parentRepo; try { parentRepo = parentBuilder.setGitDir(new File("..")).findGitDir().build(); localRepo = SubmoduleWalk.getSubmoduleRepository(parentRepo, currentFolder.getName()); } catch (IOException e) { Util.error("could not find parent of submodule!"); } } // if we need to retrieve the patch file, get it now URL patchUrl = options.getPatchUrl(); String patchPath = patchUrl.getFile(); File patchFile = null; HttpUrl httpUrl = HttpUrl.get(patchUrl); if (httpUrl != null) { try { patchFile = com.twitter.common.io.FileUtils.SYSTEM_TMP.createFile(".diff"); Request request = new Request.Builder().url(httpUrl).build(); OkHttpClient client = new OkHttpClient(); Call call = client.newCall(request); Response response = call.execute(); ResponseBody body = response.body(); if (!response.isSuccessful()) { Util.error("could not retrieve diff file from URL " + patchUrl); } String content = body.string(); org.apache.commons.io.FileUtils.write(patchFile, content, (Charset) null); } catch (IOException ie) { Util.error("could not retrieve diff file from URL " + patchUrl); } } else { patchFile = new File(patchPath); } // find the patch //noinspection ConstantConditions if (!patchFile.canRead()) { Util.error("patch file " + patchFile.getAbsolutePath() + " is not readable!"); } final Git git = new Git(localRepo); // handle the branch String branchName = options.getBranchName(); String theOldCommit = null; try { theOldCommit = localRepo.getBranch(); } catch (IOException e2) { Util.error("could not get reference to current branch!"); } final String oldCommit = theOldCommit; // needed to reference from shutdown hook if (branchName != null) { // switch to the branch try { git.checkout().setName(branchName).call(); } catch (RefAlreadyExistsException e) { // FIXME Auto-generated catch block e.printStackTrace(); } catch (RefNotFoundException e) { Util.error("the branch " + branchName + " was not found!"); } catch (InvalidRefNameException e) { Util.error("the branch name " + branchName + " is invalid!"); } catch (org.eclipse.jgit.api.errors.CheckoutConflictException e) { Util.error("there was a checkout conflict!"); } catch (GitAPIException e) { Util.error("there was an unspecified Git API failure!"); } } // ensure there are no changes before we apply the patch try { if (!git.status().call().isClean()) { Util.error("cannot run git-vcr while there are uncommitted changes!"); } } catch (NoWorkTreeException e1) { // won't happen assert false; } catch (GitAPIException e1) { Util.error("call to git status failed!"); } // list all the files changed String patchName = patchFile.getName(); Patch patch = new Patch(); try { patch.parse(new FileInputStream(patchFile)); } catch (FileNotFoundException e) { assert false; } catch (IOException e) { Util.error("could not parse the patch file!"); } ReviewResults oldResults = new ReviewResults(patchName, patch, configuration, false); try { oldResults.review(); } catch (InstantiationException e1) { Util.error("could not instantiate a review tool class!"); } catch (IllegalAccessException e1) { Util.error("illegal access to a class"); } catch (ClassNotFoundException e1) { Util.error("could not find a review tool class"); } catch (ReviewFailedException e1) { e1.printStackTrace(); Util.error("Review failed!"); } // we're about to change the repo, so register a shutdown hook to clean it up Runtime.getRuntime().addShutdownHook(new Thread() { public void run() { cleanupGit(git, oldCommit); } }); // apply the patch try { git.apply().setPatch(new FileInputStream(patchFile)).call(); } catch (PatchFormatException e) { Util.error("patch file " + patchFile.getAbsolutePath() + " is malformatted!"); } catch (PatchApplyException e) { Util.error("patch file " + patchFile.getAbsolutePath() + " did not apply correctly!"); } catch (FileNotFoundException e) { assert false; } catch (GitAPIException e) { Util.error(e.getLocalizedMessage()); } ReviewResults newResults = new ReviewResults(patchName, patch, configuration, true); try { newResults.review(); } catch (InstantiationException e1) { Util.error("could not instantiate a review tool class!"); } catch (IllegalAccessException e1) { Util.error("illegal access to a class"); } catch (ClassNotFoundException e1) { Util.error("could not find a review tool class"); } catch (ReviewFailedException e1) { e1.printStackTrace(); Util.error("Review failed!"); } // generate and show the report VelocityReport report = new VelocityReport(patch, oldResults, newResults); File reportFile = null; try { reportFile = com.twitter.common.io.FileUtils.SYSTEM_TMP.createFile(".html"); org.apache.commons.io.FileUtils.write(reportFile, report.toString(), (String) null); } catch (IOException e) { Util.error("could not generate the results page!"); } try { assert reportFile != null; Desktop.getDesktop().open(reportFile); } catch (IOException e) { Util.error("could not open the results page!"); } }
From source file:org.jboss.maven.plugins.qstools.ArchetypeSyncMojo.java
License:Apache License
/** * Apply a path file to the generated archetype * //from w w w.ja va 2 s . c o m * @throws IOException * @throws GitAPIException * @throws PatchApplyException * @throws PatchFormatException * * @see {@link ArchetypeSyncMojo#applyPatch} */ private void applyPatch() throws IOException, PatchApplyException { if (this.applyPatch != null) { FileRepositoryBuilder builder = new FileRepositoryBuilder(); Repository repository = builder.findGitDir(new File(baseDir)).build(); Git git = new Git(repository); ApplyCommand applyCommand = git.apply(); applyCommand.setPatch(new FileInputStream(applyPatch)); try { applyCommand.call(); } catch (GitAPIException e) { throw new PatchApplyException("Can't apply " + applyPatch, e); } getLog().info("Patch " + applyPatch + " applied"); } }