# HG changeset patch
# User Paul Morelle <paul.morelle@octobus.net>
# Date 1524117426 -7200
# Node ID b17fa904169585adc07b074dabbf2d8a26e280fd
# Parent  f79ba1d1b4b167d38371ecd433df344b074883c1
debugdeltachain: r.start and r.length can be retrieved outside the loop

diff -r f79ba1d1b4b1 -r b17fa9041695 mercurial/debugcommands.py
--- a/mercurial/debugcommands.py	Fri May 04 15:00:55 2018 +0200
+++ b/mercurial/debugcommands.py	Thu Apr 19 07:57:06 2018 +0200
@@ -629,6 +629,8 @@
     opts = pycompat.byteskwargs(opts)
     r = cmdutil.openrevlog(repo, 'debugdeltachain', file_, opts)
     index = r.index
+    start = r.start
+    length = r.length
     generaldelta = r.version & revlog.FLAG_GENERALDELTA
     withsparseread = getattr(r, '_withsparseread', False)
 
@@ -676,8 +678,6 @@
         comp, uncomp, deltatype, chain, chainsize = revinfo(rev)
         chainbase = chain[0]
         chainid = chainbases.setdefault(chainbase, len(chainbases) + 1)
-        start = r.start
-        length = r.length
         basestart = start(chainbase)
         revstart = start(rev)
         lineardist = revstart + comp - basestart