Clone: add --recurse-submodules option

Add the --recurse-submodules option on the command, which causes
submodules to also be initialized and updated.

Add a callback interface on CloneCommand and SubmoduleUpdateCommand to
them to provide progress feedback for clone operations.

Change-Id: I41b1668bc0d0bdfa46a9a89882c9657ea3063fc1
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

3 files changed, 51 insertions, 3 deletions

diff --git a/org.eclipse.jgit.pgm/resources/org/eclipse/jgit/pgm/internal/CLIText.properties b/org.eclipse.jgit.pgm/resources/org/eclipse/jgit/pgm/internal/CLIText.properties
index 06e4d94f74..f630ceeb8f 100644
--- a/org.eclipse.jgit.pgm/resources/org/eclipse/jgit/pgm/internal/CLIText.properties
+++ b/org.eclipse.jgit.pgm/resources/org/eclipse/jgit/pgm/internal/CLIText.properties
@@ -44,6 +44,7 @@ cantFindGitDirectory=error: can't find git directory
 cantWrite=Can''t write {0}
 changesNotStagedForCommit=Changes not staged for commit:
 changesToBeCommitted=Changes to be committed:
+checkingOut=Submodule path ''{0}'': checked out ''{1}''
 checkoutConflict=error: Your local changes to the following files would be overwritten by checkout:
 checkoutConflictPathLine=\t{0}
 cleanRequireForce=clean.requireForce defaults to true and neither -n nor -f given; refusing to clean
@@ -197,6 +198,7 @@ statusAddedByThem=added by them:
 statusDeletedByUs=deleted by us:
 statusBothAdded=both added:
 statusBothModified=both modified:
+submoduleRegistered=Submodule {0} registered
 switchedToNewBranch=Switched to a new branch ''{0}''
 switchedToBranch=Switched to branch ''{0}''
 tagAlreadyExists=tag ''{0}'' already exists
@@ -371,6 +373,7 @@ usage_pushUrls=push URLs are manipulated
 usage_quiet=don't show progress messages
 usage_recordChangesToRepository=Record changes to the repository
 usage_recurseIntoSubtrees=recurse into subtrees
+usage_recurseSubmodules=recurse into submodules
 usage_removeUntrackedDirectories=remove untracked directories
 usage_renameLimit=limit size of rename matrix
 usage_reset=Reset current HEAD to the specified state
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Clone.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Clone.java
index 04078287fb..ca5205a4e1 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Clone.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Clone.java
@@ -44,11 +44,14 @@
 package org.eclipse.jgit.pgm;
 
 import java.io.File;
+import java.io.IOException;
 import java.text.MessageFormat;
+import java.util.Collection;
 
 import org.eclipse.jgit.api.CloneCommand;
 import org.eclipse.jgit.api.Git;
 import org.eclipse.jgit.api.errors.InvalidRemoteException;
+import org.eclipse.jgit.lib.AnyObjectId;
 import org.eclipse.jgit.lib.Constants;
 import org.eclipse.jgit.lib.TextProgressMonitor;
 import org.eclipse.jgit.pgm.internal.CLIText;
@@ -58,7 +61,7 @@ import org.kohsuke.args4j.Argument;
 import org.kohsuke.args4j.Option;
 
 @Command(common = true, usage = "usage_cloneRepositoryIntoNewDir")
-class Clone extends AbstractFetchCommand {
+class Clone extends AbstractFetchCommand implements CloneCommand.Callback {
 	@Option(name = "--origin", aliases = { "-o" }, metaVar = "metaVar_remoteName", usage = "usage_useNameInsteadOfOriginToTrackUpstream")
 	private String remoteName = Constants.DEFAULT_REMOTE_NAME;
 
@@ -74,6 +77,9 @@ class Clone extends AbstractFetchCommand {
 	@Option(name = "--quiet", usage = "usage_quiet")
 	private Boolean quiet;
 
+	@Option(name = "--recurse-submodules", usage = "usage_recurseSubmodules")
+	private boolean cloneSubmodules;
+
 	@Argument(index = 0, required = true, metaVar = "metaVar_uriish")
 	private String sourceUri;
 
@@ -109,13 +115,15 @@ class Clone extends AbstractFetchCommand {
 
 		CloneCommand command = Git.cloneRepository();
 		command.setURI(sourceUri).setRemote(remoteName).setBare(isBare)
-				.setNoCheckout(noCheckout).setBranch(branch);
+				.setNoCheckout(noCheckout).setBranch(branch)
+				.setCloneSubmodules(cloneSubmodules);
 
 		command.setGitDir(gitdir == null ? null : new File(gitdir));
 		command.setDirectory(localNameF);
 		boolean msgs = quiet == null || !quiet.booleanValue();
 		if (msgs) {
-			command.setProgressMonitor(new TextProgressMonitor(errw));
+			command.setProgressMonitor(new TextProgressMonitor(errw))
+					.setCallback(this);
 			outw.println(MessageFormat.format(
 					CLIText.get().cloningInto, localName));
 			outw.flush();
@@ -136,4 +144,39 @@ class Clone extends AbstractFetchCommand {
 			outw.flush();
 		}
 	}
+
+	@Override
+	public void initializedSubmodules(Collection<String> submodules) {
+		try {
+			for (String submodule : submodules) {
+				outw.println(MessageFormat
+						.format(CLIText.get().submoduleRegistered, submodule));
+			}
+			outw.flush();
+		} catch (IOException e) {
+			// ignore
+		}
+	}
+
+	@Override
+	public void cloningSubmodule(String path) {
+		try {
+			outw.println(MessageFormat.format(
+					CLIText.get().cloningInto, path));
+			outw.flush();
+		} catch (IOException e) {
+			// ignore
+		}
+	}
+
+	@Override
+	public void checkingOut(AnyObjectId commit, String path) {
+		try {
+			outw.println(MessageFormat.format(CLIText.get().checkingOut,
+					path, commit.getName()));
+			outw.flush();
+		} catch (IOException e) {
+			// ignore
+		}
+	}
 }
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/internal/CLIText.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/internal/CLIText.java
index 4842b98731..e10ecbeebc 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/internal/CLIText.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/internal/CLIText.java
@@ -121,6 +121,7 @@ public class CLIText extends TranslationBundle {
 	/***/ public String cantWrite;
 	/***/ public String changesNotStagedForCommit;
 	/***/ public String changesToBeCommitted;
+	/***/ public String checkingOut;
 	/***/ public String checkoutConflict;
 	/***/ public String checkoutConflictPathLine;
 	/***/ public String cleanRequireForce;
@@ -263,6 +264,7 @@ public class CLIText extends TranslationBundle {
 	/***/ public String statusDeletedByUs;
 	/***/ public String statusBothAdded;
 	/***/ public String statusBothModified;
+	/***/ public String submoduleRegistered;
 	/***/ public String switchedToNewBranch;
 	/***/ public String switchedToBranch;
 	/***/ public String tagAlreadyExists;