new file mode 100644
--- /dev/null
+++ b/svncommands.py
@@ -0,0 +1,93 @@
+import os
+
+from mercurial import util as hgutil
+from svn import core
+from svn import delta
+
+import hg_delta_editor
+import svnwrap
+import stupid as stupidmod
+import cmdutil
+import util
+
+
+def pull(ui, svn_url, hg_repo_path, skipto_rev=0, stupid=None,
+         tag_locations='tags', authors=None, filemap=None, **opts):
+    """pull new revisions from Subversion
+    """
+    svn_url = util.normalize_url(svn_url)
+    old_encoding = util.swap_out_encoding()
+    skipto_rev=int(skipto_rev)
+    have_replay = not stupid
+    if have_replay and not callable(
+        delta.svn_txdelta_apply(None, None, None)[0]): #pragma: no cover
+        ui.status('You are using old Subversion SWIG bindings. Replay will not'
+                  ' work until you upgrade to 1.5.0 or newer. Falling back to'
+                  ' a slower method that may be buggier. Please upgrade, or'
+                  ' contribute a patch to use the ctypes bindings instead'
+                  ' of SWIG.\n')
+        have_replay = False
+    initializing_repo = False
+    user = opts.get('username', hgutil.getuser())
+    passwd = opts.get('password', '')
+    svn = svnwrap.SubversionRepo(svn_url, user, passwd)
+    author_host = "@%s" % svn.uuid
+    tag_locations = tag_locations.split(',')
+    hg_editor = hg_delta_editor.HgChangeReceiver(hg_repo_path,
+                                                 ui_=ui,
+                                                 subdir=svn.subdir,
+                                                 author_host=author_host,
+                                                 tag_locations=tag_locations,
+                                                 authors=authors,
+                                                 filemap=filemap)
+    if os.path.exists(hg_editor.uuid_file):
+        uuid = open(hg_editor.uuid_file).read()
+        assert uuid == svn.uuid
+        start = hg_editor.last_known_revision()
+    else:
+        open(hg_editor.uuid_file, 'w').write(svn.uuid)
+        open(hg_editor.svn_url_file, 'w').write(svn_url)
+        initializing_repo = True
+        start = skipto_rev
+
+    if initializing_repo and start > 0:
+        raise hgutil.Abort('Revision skipping at repository initialization '
+                           'remains unimplemented.')
+
+    # start converting revisions
+    for r in svn.revisions(start=start):
+        valid = True
+        hg_editor.update_branch_tag_map_for_rev(r)
+        for p in r.paths:
+            if hg_editor._is_path_valid(p):
+                valid = True
+                break
+        if valid:
+            # got a 502? Try more than once!
+            tries = 0
+            converted = False
+            while not converted:
+                try:
+                    util.describe_revision(ui, r)
+                    if have_replay:
+                        try:
+                            cmdutil.replay_convert_rev(hg_editor, svn, r)
+                        except svnwrap.SubversionRepoCanNotReplay, e: #pragma: no cover
+                            ui.status('%s\n' % e.message)
+                            stupidmod.print_your_svn_is_old_message(ui)
+                            have_replay = False
+                            stupidmod.svn_server_pull_rev(ui, svn, hg_editor, r)
+                    else:
+                        stupidmod.svn_server_pull_rev(ui, svn, hg_editor, r)
+                    converted = True
+                except core.SubversionException, e: #pragma: no cover
+                    if (e.apr_err == core.SVN_ERR_RA_DAV_REQUEST_FAILED
+                        and '502' in str(e)
+                        and tries < 3):
+                        tries += 1
+                        ui.status('Got a 502, retrying (%s)\n' % tries)
+                    else:
+                        raise hgutil.Abort(*e.args)
+    util.swap_out_encoding(old_encoding)
+
+pull = util.register_subcommand('pull')(pull)