org.eclipse.egit.ui/src/org/eclipse/egit/ui/internal/clone/GitCloneWizard.java

   1 /*******************************************************************************
   2  * Copyright (C) 2008, Roger C. Soares <rogersoares@intelinet.com.br>
   3  * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
   4  * Copyright (C) 2008, Marek Zawirski <marek.zawirski@gmail.com>
   5  * Copyright (C) 2008, Robin Rosenberg <robin.rosenberg@dewire.com>
   6  * Copyright (C) 2010, Mathias Kinzler <mathias.kinzler@sap.com>
   7  *
   8  * All rights reserved. This program and the accompanying materials
   9  * are made available under the terms of the Eclipse Public License v1.0
  10  * which accompanies this distribution, and is available at
  11  * http://www.eclipse.org/legal/epl-v10.html
  12  *******************************************************************************/
  13 package org.eclipse.egit.ui.internal.clone;
  14
  15 import java.io.File;
  16 import java.lang.reflect.InvocationTargetException;
  17 import java.util.Collection;
  18 import java.util.Collections;
  19
  20 import org.eclipse.core.runtime.IProgressMonitor;
  21 import org.eclipse.core.runtime.IStatus;
  22 import org.eclipse.core.runtime.Status;
  23 import org.eclipse.core.runtime.jobs.Job;
  24 import org.eclipse.egit.core.op.CloneOperation;
  25 import org.eclipse.egit.ui.Activator;
  26 import org.eclipse.egit.ui.UIIcons;
  27 import org.eclipse.egit.ui.UIText;
  28 import org.eclipse.egit.ui.internal.components.RepositorySelectionPage;
  29 import org.eclipse.egit.ui.internal.repository.RepositoriesView;
  30 import org.eclipse.jface.dialogs.ErrorDialog;
  31 import org.eclipse.jface.dialogs.MessageDialog;
  32 import org.eclipse.jface.operation.IRunnableWithProgress;
  33 import org.eclipse.jface.wizard.Wizard;
  34 import org.eclipse.jgit.lib.Ref;
  35 import org.eclipse.jgit.transport.URIish;
  36 import org.eclipse.osgi.util.NLS;
  37
  38 /**
  39  * Import Git Repository Wizard. A front end to a git clone operation.
  40  */
  41 public class GitCloneWizard extends Wizard {
  42         private RepositorySelectionPage cloneSource;
  43
  44         private SourceBranchPage validSource;
  45
  46         private CloneDestinationPage cloneDestination;
  47
  48         String alreadyClonedInto;
  49
  50         /**
  51          * The default constructor
  52          */
  53         public GitCloneWizard() {
  54                 setWindowTitle(UIText.GitCloneWizard_title);
  55                 setDefaultPageImageDescriptor(UIIcons.WIZBAN_IMPORT_REPO);
  56                 setNeedsProgressMonitor(true);
  57                 cloneSource = new RepositorySelectionPage(true, null);
  58                 validSource = new SourceBranchPage(cloneSource);
  59                 cloneDestination = new CloneDestinationPage(cloneSource, validSource);
  60         }
  61
  62         @Override
  63         public boolean performCancel() {
  64                 if (alreadyClonedInto != null) {
  65                         File test = new File(alreadyClonedInto);
  66                         if (test.exists()
  67                                         && MessageDialog.openQuestion(getShell(),
  68                                                         UIText.GitCloneWizard_abortingCloneTitle,
  69                                                         UIText.GitCloneWizard_abortingCloneMsg)) {
  70                                 deleteRecursively(new File(alreadyClonedInto));
  71                         }
  72                 }
  73                 return true;
  74         }
  75
  76         private void deleteRecursively(File f) {
  77                 File[] children = f.listFiles();
  78                 if (children != null)
  79                         for (File i : children) {
  80                                 if (i.isDirectory()) {
  81                                         deleteRecursively(i);
  82                                 } else {
  83                                         if (!i.delete()) {
  84                                                 i.deleteOnExit();
  85                                         }
  86                                 }
  87                         }
  88                 if (!f.delete())
  89                         f.deleteOnExit();
  90         }
  91
  92         @Override
  93         public void addPages() {
  94                 addPage(cloneSource);
  95                 addPage(validSource);
  96                 addPage(cloneDestination);
  97         }
  98
  99         @Override
 100         public boolean canFinish() {
 101                 return cloneDestination.isPageComplete();
 102         }
 103
 104         @Override
 105         public boolean performFinish() {
 106                 try {
 107                         return performClone(false);
 108                 } finally {
 109                         setWindowTitle(UIText.GitCloneWizard_title);
 110                 }
 111         }
 112
 113         boolean performClone(boolean background) {
 114                 final URIish uri = cloneSource.getSelection().getURI();
 115                 setWindowTitle(NLS.bind(UIText.GitCloneWizard_jobName, uri.toString()));
 116                 final boolean allSelected;
 117                 final Collection<Ref> selectedBranches;
 118                 if (validSource.isSourceRepoEmpty()) {
 119                         // fetch all branches of empty repo
 120                         allSelected = true;
 121                         selectedBranches = Collections.emptyList();
 122                 } else {
 123                         allSelected = validSource.isAllSelected();
 124                         selectedBranches = validSource.getSelectedBranches();
 125                 }
 126                 final File workdir = cloneDestination.getDestinationFile();
 127                 final String branch = cloneDestination.getInitialBranch();
 128                 final String remoteName = cloneDestination.getRemote();
 129
 130                 workdir.mkdirs();
 131
 132                 if (!workdir.isDirectory()) {
 133                         final String errorMessage = NLS.bind(
 134                                         UIText.GitCloneWizard_errorCannotCreate, workdir.getPath());
 135                         ErrorDialog.openError(getShell(), getWindowTitle(),
 136                                         UIText.GitCloneWizard_failed, new Status(IStatus.ERROR,
 137                                                         Activator.getPluginId(), 0, errorMessage, null));
 138                         // let's give user a chance to fix this minor problem
 139                         return false;
 140                 }
 141
 142                 final CloneOperation op = new CloneOperation(uri, allSelected,
 143                                 selectedBranches, workdir, branch, remoteName);
 144
 145                 alreadyClonedInto = workdir.getPath();
 146
 147                 if (background) {
 148                         final Job job = new Job(NLS.bind(UIText.GitCloneWizard_jobName, uri
 149                                         .toString())) {
 150                                 @Override
 151                                 protected IStatus run(final IProgressMonitor monitor) {
 152                                         try {
 153                                                 op.run(monitor);
 154                                                 RepositorySelectionPage.saveUriInPrefs(uri.toString());
 155                                                 RepositoriesView.addDir(op.getGitDir());
 156                                                 return Status.OK_STATUS;
 157                                         } catch (InterruptedException e) {
 158                                                 return Status.CANCEL_STATUS;
 159                                         } catch (InvocationTargetException e) {
 160                                                 Throwable thr = e.getCause();
 161                                                 return new Status(IStatus.ERROR, Activator
 162                                                                 .getPluginId(), 0, thr.getMessage(), thr);
 163                                         }
 164                                 }
 165
 166                         };
 167                         job.setUser(true);
 168                         job.schedule();
 169                         return true;
 170                 } else {
 171                         try {
 172                                 // Perform clone in ModalContext thread with progress
 173                                 // reporting on the wizard.
 174                                 getContainer().run(true, true, new IRunnableWithProgress() {
 175                                         public void run(IProgressMonitor monitor)
 176                                                         throws InvocationTargetException,
 177                                                         InterruptedException {
 178                                                 op.run(monitor);
 179                                                 if (monitor.isCanceled())
 180                                                         throw new InterruptedException();
 181                                         }
 182                                 });
 183
 184                                 RepositorySelectionPage.saveUriInPrefs(uri.toString());
 185                                 RepositoriesView.addDir(op.getGitDir());
 186                                 return true;
 187                         } catch (InterruptedException e) {
 188                                 MessageDialog.openInformation(getShell(),
 189                                                 UIText.GitCloneWizard_CloneFailedHeading,
 190                                                 UIText.GitCloneWizard_CloneCanceledMessage);
 191                                 return false;
 192                         } catch (Exception e) {
 193                                 Activator.handleError(UIText.GitCloneWizard_CloneFailedHeading,
 194                                                 e, true);
 195                                 return false;
 196                         }
 197                 }
 198         }
 199 }