--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hgkw/keyword.py	Tue Dec 19 09:39:03 2006 +0100
@@ -0,0 +1,40 @@
+from mercurial import hg, filelog, revlog, context, util
+import re
+
+def reposetup(ui, repo):
+    if not repo.local():
+        return
+
+    class kwrepo(repo.__class__):
+        def file(self, f):
+            if f[0] == '/':
+                f = f[1:]
+            return filelog.filelog(self.sopener, f, self, self.revlogversion)
+
+    class kwfilelog(filelog.filelog):
+        def __init__(self, opener, path, repo,
+                     defversion=revlog.REVLOG_DEFAULT_VERSION):
+            super(kwfilelog, self).__init__(opener, path, defversion)
+            self._repo = repo
+            self._path = path
+        def read(self, node):
+            data = super(kwfilelog, self).read(node)
+            if (not util.binary(data) and
+                self._repo.ui.config("keywords", "expand", True)):
+                c = context.filectx(self._repo, self._path, fileid=node,
+                                     filelog=self)
+                def author(): return "$Author %s $" % c.user()
+                def date(): return "$Date %s $" % util.datestr(c.date())
+
+                data = re.sub(r'\$Author\$', author(), data)
+                data = re.sub(r'\$Date\$', date(), data)
+            return data
+        def add(self, text, meta, tr, link, p1=None, p2=None):
+            if (not util.binary(text) and
+                   self._repo.ui.config("keywords", "remove", True)):
+                text = re.sub(r'\$Author[^\$]*\$', '$Author$', text)
+                text = re.sub(r'\$Date[^\$]*\$', '$Date$', text)
+            return super(kwfilelog, self).add(text, meta, tr, link, p1, p2)
+
+    filelog.filelog = kwfilelog
+    repo.__class__ = kwrepo