[PATCH] commands: modify debugindex to display revlog revision flags

[Pradeepkumar Gayam]

# HG changeset patch
# User Pradeepkumar Gayam <in3xes at gmail.com>
# Date 1282876790 -19800
# Node ID d0698a63cde0e7ef5451d6cf42343c3072d64ac3
# Parent  e1a3d7ed478e3eb0301cad386ea998dc138e3fb1
commands: modify debugindex to display revlog revision flags

diff -r e1a3d7ed478e -r d0698a63cde0 mercurial/commands.py
--- a/mercurial/commands.py	Mon Aug 23 22:22:05 2010 +0200
+++ b/mercurial/commands.py	Fri Aug 27 08:09:50 2010 +0530
@@ -1234,20 +1234,34 @@
         m = util.matchdate(range)
         ui.write("match: %s\n" % m(d[0]))
 
-def debugindex(ui, file_):
+def debugindex(ui, file_, **opts):
     """dump the contents of an index file"""
     r = revlog.revlog(util.opener(os.getcwd(), audit=False), file_)
-    ui.write("   rev    offset  length   base linkrev"
-             " nodeid       p1           p2\n")
+    flags = opts["flags"]
+    h = ['   rev', '    offset', '  length', '   base', ' linkrev',
+         ' nodeid', '       p1', '           p2\n']
+    if flags:
+        format = "% 6d % 9d % 7d % 6d % 5x % 7d %s %s %s\n"
+        h.insert(4, ' flags')
+    else:
+        format = "% 6d % 9d % 7d % 6d % 7d %s %s %s\n"
+
+    header = ''.join(h)
+    ui.write(header)
+
     for i in r:
+        values = []
         node = r.node(i)
         try:
             pp = r.parents(node)
         except:
             pp = [nullid, nullid]
-        ui.write("% 6d % 9d % 7d % 6d % 7d %s %s %s\n" % (
-                i, r.start(i), r.length(i), r.base(i), r.linkrev(i),
-            short(node), short(pp[0]), short(pp[1])))
+
+        values = [i, r.start(i), r.length(i), r.base(i), r.linkrev(i),
+                      short(node), short(pp[0]), short(pp[1])]
+        if flags:
+            values.insert(4, r.flags(i))
+        ui.write(format % tuple(values))
 
 def debugindexdot(ui, file_):
     """dump an index DAG as a graphviz dot file"""
@@ -4118,7 +4132,7 @@
          _('[-e] DATE [RANGE]')),
     "debugdata": (debugdata, [], _('FILE REV')),
     "debugfsinfo": (debugfsinfo, [], _('[PATH]')),
-    "debugindex": (debugindex, [], _('FILE')),
+    "debugindex": (debugindex, [('f', 'flags', None, _('display revision flags'))], _('FILE')),
     "debugindexdot": (debugindexdot, [], _('FILE')),
     "debuginstall": (debuginstall, [], ''),
     "debugpushkey": (debugpushkey, [], _('REPO NAMESPACE [KEY OLD NEW]')),