# HG changeset patch
# User Christian Ebert <blacktrash@gmx.net>
# Date 1202224395 -3600
# Node ID 82e2b38070734a76b57aca5f3eb2d00099ade01d
# Parent  7bc6c0e1246457a2df3f709463b448cfc1c74b02
Fix web output: expand to requested rev; kwcat: wrap cat, avoid filelog subclass

diff -r 7bc6c0e12464 -r 82e2b3807073 hgkw/keyword.py
--- a/hgkw/keyword.py	Tue Feb 05 12:22:48 2008 +0100
+++ b/hgkw/keyword.py	Tue Feb 05 16:13:15 2008 +0100
@@ -80,7 +80,7 @@
 "Log = {desc}" expands to the first line of the changeset description.
 '''
 
-from mercurial import commands, cmdutil, context, filelog, localrepo
+from mercurial import commands, cmdutil, context, localrepo
 from mercurial import patch, revlog, templater, templatefilters, util
 from mercurial.node import *
 from mercurial.hgweb import webcommands
@@ -142,10 +142,6 @@
             except revlog.LookupError:
                 # eg: convert
                 return subfunc == self.re_kw.sub and data or (data, None)
-        elif subfunc == self.re_kw.sub:
-            # hg kwcat using kwfilelog.read
-            c = context.filectx(self.repo, path, fileid=node)
-            node = c.node()
 
         def kwsub(mobj):
             '''Substitutes keyword using corresponding template.'''
@@ -181,20 +177,6 @@
             return data
         return self.re_kw.sub(r'$\1$', data)
 
-class kwfilelog(filelog.filelog):
-    '''
-    Subclass of filelog to hook into its read method for kwcat.
-    '''
-    def __init__(self, opener, path, kwt):
-        super(kwfilelog, self).__init__(opener, path)
-        self._kwt = kwt
-        self._path = path
-
-    def read(self, node):
-        '''Expands keywords when reading filelog.'''
-        data = super(kwfilelog, self).read(node)
-        return self._kwt.expand(self._path, data, node)
-
 # store original patch.patchfile.__init__
 _patchfile_init = patch.patchfile.__init__
 
@@ -263,11 +245,22 @@
     %d   dirname of file being printed, or '.' if in repo root
     %p   root-relative path name of file being printed
     '''
+    ctx = repo.changectx(opts['rev'])
     try:
-        repo.file = repo._kwfile
+        repo._kwt.ctx = ctx
+        kw = True
     except AttributeError:
-        pass
-    commands.cat(ui, repo, file1, *pats, **opts)
+        kw = False
+    err = 1
+    for src, abs, rel, exact in cmdutil.walk(repo, (file1,) + pats, opts,
+                                             ctx.node()):
+        fp = cmdutil.make_file(repo, opts['output'], ctx.node(), pathname=abs)
+        data = ctx.filectx(abs).data()
+        if kw and repo._kwt.matcher(abs):
+            data = repo._kwt.expand(abs, data, None)
+        fp.write(data)
+        err = 0
+    return err
 
 def demo(ui, repo, *args, **opts):
     '''print [keywordmaps] configuration and an expansion example
@@ -408,14 +401,6 @@
         return
 
     class kwrepo(repo.__class__):
-        def _kwfile(self, f):
-            '''Returns filelog expanding keywords on read (for kwcat).'''
-            if f[0] == '/':
-                f = f[1:]
-            if self._kwt.matcher(f):
-                return kwfilelog(self.sopener, f, self._kwt)
-            return filelog.filelog(self.sopener, f)
-
         def _wreadkwct(self, filename, expand, ctx, node):
             '''Reads filename and returns tuple of data with keywords
             expanded/shrunk and count of keywords (for _overwrite).'''
@@ -509,7 +494,7 @@
         path = fctx.path()
         text = fctx.data()
         if kwt.matcher(path):
-            text = kwt.expand(path, text, None)
+            text = kwt.expand(path, text, fctx.node())
         mt = mimetypes.guess_type(path)[0]
         if mt is None or util.binary(text):
             mt = mt or 'application/octet-stream'