# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1335568856 -7200
# Node ID d50e96b62aa416c156ddc569a18ac3b64455bf6c
# Parent  84c2b3fdf0b92228810457528bc8400caf5bde5d
Fixed the patch for empty repository graphs.

diff -r 84c2b3fdf0b9 -r d50e96b62aa4 patches/patch-hgweb-graph-data.diff
--- a/patches/patch-hgweb-graph-data.diff	Sat Apr 28 00:35:28 2012 +0200
+++ b/patches/patch-hgweb-graph-data.diff	Sat Apr 28 01:20:56 2012 +0200
@@ -1,17 +1,16 @@
 diff -r 55982f62651f mercurial/hgweb/webcommands.py
 --- a/mercurial/hgweb/webcommands.py	Wed Apr 18 01:20:16 2012 +0300
-+++ b/mercurial/hgweb/webcommands.py	Sat Apr 28 00:34:29 2012 +0200
-@@ -785,7 +785,8 @@
++++ b/mercurial/hgweb/webcommands.py	Sat Apr 28 01:19:59 2012 +0200
+@@ -785,6 +785,8 @@
      tree = list(graphmod.colored(dag, web.repo))
      canvasheight = (len(tree) + 1) * bg_height - 27
      data = []
--    for (id, type, ctx, vtx, edges) in tree:
 +    cols = 0
-+    for row, (id, type, ctx, vtx, edges) in enumerate(tree):
++    row = 0
+     for (id, type, ctx, vtx, edges) in tree:
          if type != graphmod.CHANGESET:
              continue
-         node = str(ctx)
-@@ -795,13 +796,37 @@
+@@ -795,13 +797,38 @@
          user = cgi.escape(templatefilters.person(ctx.user()))
          branch = ctx.branch()
          branch = branch, web.repo.branchtags().get(branch) == ctx.node()
@@ -41,20 +40,21 @@
 +
 +        cols = max(cols, max([edge[0] for edge in edges] or [0]),
 +                         max([edge[1] for edge in edges] or [0]))
++        row += 1
  
      return tmpl('graph', rev=rev, revcount=revcount, uprev=uprev,
                  lessvars=lessvars, morevars=morevars, downrev=downrev,
                  canvasheight=canvasheight, jsdata=data, bg_height=bg_height,
 -                node=revnode_hex, changenav=changenav)
 +                node=revnode_hex, changenav=changenav,
-+                rows=row+1, cols=cols, canvaswidth=(cols+1)*bg_height,
-+                truecanvasheight=(row+1)*bg_height)
++                rows=row, cols=cols, canvaswidth=(cols+1)*bg_height,
++                truecanvasheight=row*bg_height)
  
  def _getdoc(e):
      doc = e[0].__doc__
 diff -r 55982f62651f mercurial/templates/static/mercurial.js
 --- a/mercurial/templates/static/mercurial.js	Wed Apr 18 01:20:16 2012 +0300
-+++ b/mercurial/templates/static/mercurial.js	Sat Apr 28 00:34:29 2012 +0200
++++ b/mercurial/templates/static/mercurial.js	Sat Apr 28 01:19:59 2012 +0200
 @@ -108,21 +108,22 @@
  			this.bg[1] += this.bg_height;