diff -ur v2/fsyn.py v3/fsyn.py
--- v2/fsyn.py	2020-04-19 15:43:08.000000000 +0900
+++ v3/fsyn.py	2020-04-22 22:24:17.000000000 +0900
@@ -353,6 +353,40 @@
 
 		push_to( get_curr() )
 
+	def pull(from_path):
+		(fsyn_DIR, fsyn_BASE) = os.path.split( fsyn_path() )
+		
+		def copy(id, name, force=False):
+			fn = path_join( fsyn_BASE, id, name )
+			if not path_exists( path_join( from_path, fn ) ):
+				return # no src
+			if not path_exists( path_join( fsyn_DIR, fn ) ) or force:
+				cmd = 'tar cf - -C {} {} | tar xf - -C {}'.format( from_path, fn, fsyn_DIR )
+				cmd_call( cmd )
+
+		def pull_id(id):
+			copy( id, 'snap' )
+			copy( id, 'update.tgz' )
+
+			link = get_link( id, from_path )
+			link_d = get_link( id )
+			link_d.from_ = link.from_
+			for s in link.to:
+				if s not in link_d.to:
+					link_d.to.append( s )
+			put_link( id, link_d )
+
+		def pull_from(id):
+			pull_id( id )
+			link = get_link( id, from_path )
+			for s in link.to:
+				pull_from( s )
+
+		id = get_curr()
+		if path_exists( path_join( from_path, fsyn_BASE, id ) ):
+			pull_from( id )
+
+
 	return empty.new( locals() )
 
 
@@ -370,6 +404,7 @@
 		cmd_new( 'check', comment='show dirty' ),
 		cmd_new( 'fixlink', comment='fix link info' ),
 		cmd_new( 'push', [ 'to_path' ] ),
+		cmd_new( 'pull', [ 'from_path' ] ),
 	]
 
 	dic = dict( map( lambda cmd: ( cmd.name, cmd ), cmds ) )