# HG changeset patch
# User Alexander Plavin <alexander@plav.in>
# Date 2013-09-06 09:30:57
# Node ID 93b8544c4482e84a662429942153c5b6adb77147
# Parent  ab5442f45441b055650e90aa13167ff47df66161

hgweb: add nextentry variable for easy pagination in changelog

nextentry always contains the first entry not shown on current page (if there is
such entry)

diff --git a/mercurial/hgweb/webcommands.py b/mercurial/hgweb/webcommands.py
--- a/mercurial/hgweb/webcommands.py
+++ b/mercurial/hgweb/webcommands.py
@@ -271,7 +271,7 @@ def changelog(web, req, tmpl, shortlog=F
             files = webutil.listfilediffs(tmpl, ctx.files(), n, web.maxfiles)
 
             curcount += 1
-            if curcount > revcount:
+            if curcount > revcount + 1:
                 break
             yield {"parity": parity.next(),
                    "author": ctx.user(),
@@ -309,11 +309,16 @@ def changelog(web, req, tmpl, shortlog=F
 
     entries = list(changelist())
     latestentry = entries[:1]
+    if len(entries) > revcount:
+        nextentry = entries[-1:]
+        entries = entries[:-1]
+    else:
+        nextentry = []
 
     return tmpl(shortlog and 'shortlog' or 'changelog', changenav=changenav,
                 node=ctx.hex(), rev=pos, changesets=count,
                 entries=entries,
-                latestentry=latestentry,
+                latestentry=latestentry, nextentry=nextentry,
                 archives=web.archivelist("tip"), revcount=revcount,
                 morevars=morevars, lessvars=lessvars, query=query)