diff --git a/mercurial/commands.py b/mercurial/commands.py
--- a/mercurial/commands.py
+++ b/mercurial/commands.py
@@ -12,7 +12,7 @@ demandload(globals(), "os re sys signal 
 demandload(globals(), "fancyopts ui hg util lock revlog templater bundlerepo")
 demandload(globals(), "fnmatch hgweb mdiff random signal tempfile time")
 demandload(globals(), "traceback errno socket version struct atexit sets bz2")
-demandload(globals(), "changegroup")
+demandload(globals(), "archival changegroup")
 
 class UnknownCommand(Exception):
     """Exception raised if command is not in the command table."""
@@ -890,6 +890,46 @@ def annotate(ui, repo, *pats, **opts):
             for p, l in zip(zip(*pieces), lines):
                 ui.write("%s: %s" % (" ".join(p), l[1]))
 
+def archive(ui, repo, dest, **opts):
+    '''create unversioned archive of a repository revision
+
+    By default, the revision used is the parent of the working
+    directory; use "-r" to specify a different revision.
+
+    To specify the type of archive to create, use "-t".  Valid
+    types are:
+
+    "files" (default): a directory full of files
+    "tar": tar archive, uncompressed
+    "tbz2": tar archive, compressed using bzip2
+    "tgz": tar archive, compressed using gzip
+    "uzip": zip archive, uncompressed
+    "zip": zip archive, compressed using deflate
+
+    The exact name of the destination archive or directory is given
+    using a format string; see "hg help export" for details.
+
+    Each member added to an archive file has a directory prefix
+    prepended.  Use "-p" to specify a format string for the prefix.
+    The default is the basename of the archive, with suffixes removed.
+    '''
+
+    if opts['rev']:
+        node = repo.lookup(opts['rev'])
+    else:
+        node, p2 = repo.dirstate.parents()
+        if p2 != nullid:
+            raise util.Abort(_('uncommitted merge - please provide a '
+                               'specific revision'))
+
+    dest = make_filename(repo, repo.changelog, dest, node)
+    prefix = make_filename(repo, repo.changelog, opts['prefix'], node)
+    if os.path.realpath(dest) == repo.root:
+        raise util.Abort(_('repository root cannot be destination'))
+    _, matchfn, _ = matchpats(repo, [], opts)
+    archival.archive(repo, dest, node, opts.get('type') or 'files',
+                    not opts['no_decode'], matchfn, prefix)
+
 def bundle(ui, repo, fname, dest="default-push", **opts):
     """create a changegroup file
 
@@ -2839,6 +2879,15 @@ table = {
           ('I', 'include', [], _('include names matching the given patterns')),
           ('X', 'exclude', [], _('exclude names matching the given patterns'))],
          _('hg annotate [-r REV] [-a] [-u] [-d] [-n] [-c] FILE...')),
+    'archive':
+        (archive,
+         [('', 'no-decode', None, _('do not pass files through decoders')),
+          ('p', 'prefix', '', _('directory prefix for files in archive')),
+          ('r', 'rev', '', _('revision to distribute')),
+          ('t', 'type', '', _('type of distribution to create')),
+          ('I', 'include', [], _('include names matching the given patterns')),
+          ('X', 'exclude', [], _('exclude names matching the given patterns'))],
+         _('hg archive [OPTION]... DEST')),
     "bundle":
         (bundle,
          [('f', 'force', None,
@@ -3249,7 +3298,7 @@ def parse(ui, args):
     return (cmd, cmd and i[0] or None, args, options, cmdoptions)
 
 def dispatch(args):
-    for name in 'SIGTERM', 'SIGHUP', 'SIGBREAK':
+    for name in 'SIGBREAK', 'SIGHUP', 'SIGTERM':
         num = getattr(signal, name, None)
         if num: signal.signal(num, catchterm)