Implement upload-only and no-remote-new modes (fix #69)

README.md

@@ -70,6 +70,10 @@ Enjoy!
 
 ## Version History
 
+### Grive2 v0.5.1-dev
+
+- no-remote-new and upload-only modes
+
 ### Grive2 v0.5
 
 - Much faster and more correct synchronisation using local modification time and checksum cache (similar to git index)

grive/doc/grive.1

@@ -33,6 +33,16 @@ Forces
 .I grive
 to always download a file from Google Drive instead uploading it
 .TP
+\fB\-u, \-\-upload\-only\fR
+Forces
+.I grive
+to not download anything from Google Drive and only upload local changes to server instead
+.TP
+\fB\-n, \-\-no\-remote\-new\fR
+Forces
+.I grive
+to download only files that are changed in Google Drive and already exist locally
+.TP
 \fB\-h\fR, \fB\-\-help\fR
 Produces help message
 .TP

grive/src/main.cc

@@ -118,6 +118,8 @@ int Main( int argc, char **argv )
 		( "log,l",		po::value<std::string>(), "Set log output filename." )
 		( "force,f",	"Force grive to always download a file from Google Drive "
 						"instead of uploading it." )
+		( "upload-only,u", "Do not download anything from Google Drive, only upload local changes" )
+		( "no-remote-new,n", "Download only files that are changed in Google Drive and already exist locally" )
 		( "dry-run",	"Only detect which files need to be uploaded/downloaded, "
 						"without actually performing them." )
 		( "ignore",		po::value<std::string>(), "Perl RegExp to ignore files (matched against relative paths, remembered for next runs)." )

libgrive/src/base/Resource.cc

@@ -542,26 +542,36 @@ void Resource::SyncSelf( Syncer* syncer, ResourceTree *res_tree, const Val& opti
 		break ;
 	
 	case remote_new :
-		Log( "sync %1% created in remote. creating local", path, log::info ) ;
-		if ( syncer )
+		if ( options["no-remote-new"].Bool() )
+			Log( "sync %1% created in remote. skipping", path, log::info ) ;
+		else
 		{
-			if ( IsFolder() )
-				fs::create_directories( path ) ;
-			else
-				syncer->Download( this, path ) ;
-			SetIndex( true ) ;
-			m_state = sync ;
+			Log( "sync %1% created in remote. creating local", path, log::info ) ;
+			if ( syncer )
+			{
+				if ( IsFolder() )
+					fs::create_directories( path ) ;
+				else
+					syncer->Download( this, path ) ;
+				SetIndex( true ) ;
+				m_state = sync ;
+			}
 		}
 		break ;
 	
 	case remote_changed :
 		assert( !IsFolder() ) ;
-		Log( "sync %1% changed in remote. downloading", path, log::info ) ;
-		if ( syncer )
+		if ( options["upload-only"].Bool() )
+			Log( "sync %1% changed in remote. skipping", path, log::info ) ;
+		else
 		{
-			syncer->Download( this, path ) ;
-			SetIndex( true ) ;
-			m_state = sync ;
+			Log( "sync %1% changed in remote. downloading", path, log::info ) ;
+			if ( syncer )
+			{
+				syncer->Download( this, path ) ;
+				SetIndex( true ) ;
+				m_state = sync ;
+			}
 		}
 		break ;
 	

libgrive/src/util/Config.cc

@@ -46,8 +46,10 @@ Config::Config( const po::variables_map& vm )
 	m_cmd.Add( "dir",		Val(vm.count("dir") > 0
 		? vm["dir"].as<std::string>()
 		: "" ) ) ;
-	if ( vm.count("ignore") > 0 )
+	if ( vm.count( "ignore" ) > 0 )
 		m_cmd.Add( "ignore",	Val( vm["ignore"].as<std::string>() ) );
+	m_cmd.Add( "no-remote-new", Val( vm.count( "no-remote-new" ) > 0 || vm.count( "upload-only" ) > 0 ) );
+	m_cmd.Add( "upload-only", Val( vm.count( "upload-only" ) > 0 ) );
 	
 	m_path	= GetPath( fs::path(m_cmd["path"].Str()) ) ;
 	m_file	= Read( ) ;