--- a/mercurial/commands.py	Thu Feb 02 10:01:54 2017 +0100
+++ b/mercurial/commands.py	Thu Feb 02 10:02:40 2017 +0100
@@ -11,7 +11,6 @@
 import errno
 import os
 import re
-import string
 import time
 
 from .i18n import _
@@ -47,7 +46,6 @@
     patch,
     phases,
     pycompat,
-    revlog,
     revset,
     scmutil,
     server,
@@ -1858,226 +1856,6 @@
     with repo.wlock(False):
         return cmdutil.copy(ui, repo, pats, opts)
 
-@command('debugrevlog', debugrevlogopts +
-    [('d', 'dump', False, _('dump index data'))],
-    _('-c|-m|FILE'),
-    optionalrepo=True)
-def debugrevlog(ui, repo, file_=None, **opts):
-    """show data and statistics about a revlog"""
-    r = cmdutil.openrevlog(repo, 'debugrevlog', file_, opts)
-
-    if opts.get("dump"):
-        numrevs = len(r)
-        ui.write(("# rev p1rev p2rev start   end deltastart base   p1   p2"
-                 " rawsize totalsize compression heads chainlen\n"))
-        ts = 0
-        heads = set()
-
-        for rev in xrange(numrevs):
-            dbase = r.deltaparent(rev)
-            if dbase == -1:
-                dbase = rev
-            cbase = r.chainbase(rev)
-            clen = r.chainlen(rev)
-            p1, p2 = r.parentrevs(rev)
-            rs = r.rawsize(rev)
-            ts = ts + rs
-            heads -= set(r.parentrevs(rev))
-            heads.add(rev)
-            try:
-                compression = ts / r.end(rev)
-            except ZeroDivisionError:
-                compression = 0
-            ui.write("%5d %5d %5d %5d %5d %10d %4d %4d %4d %7d %9d "
-                     "%11d %5d %8d\n" %
-                     (rev, p1, p2, r.start(rev), r.end(rev),
-                      r.start(dbase), r.start(cbase),
-                      r.start(p1), r.start(p2),
-                      rs, ts, compression, len(heads), clen))
-        return 0
-
-    v = r.version
-    format = v & 0xFFFF
-    flags = []
-    gdelta = False
-    if v & revlog.REVLOGNGINLINEDATA:
-        flags.append('inline')
-    if v & revlog.REVLOGGENERALDELTA:
-        gdelta = True
-        flags.append('generaldelta')
-    if not flags:
-        flags = ['(none)']
-
-    nummerges = 0
-    numfull = 0
-    numprev = 0
-    nump1 = 0
-    nump2 = 0
-    numother = 0
-    nump1prev = 0
-    nump2prev = 0
-    chainlengths = []
-
-    datasize = [None, 0, 0]
-    fullsize = [None, 0, 0]
-    deltasize = [None, 0, 0]
-    chunktypecounts = {}
-    chunktypesizes = {}
-
-    def addsize(size, l):
-        if l[0] is None or size < l[0]:
-            l[0] = size
-        if size > l[1]:
-            l[1] = size
-        l[2] += size
-
-    numrevs = len(r)
-    for rev in xrange(numrevs):
-        p1, p2 = r.parentrevs(rev)
-        delta = r.deltaparent(rev)
-        if format > 0:
-            addsize(r.rawsize(rev), datasize)
-        if p2 != nullrev:
-            nummerges += 1
-        size = r.length(rev)
-        if delta == nullrev:
-            chainlengths.append(0)
-            numfull += 1
-            addsize(size, fullsize)
-        else:
-            chainlengths.append(chainlengths[delta] + 1)
-            addsize(size, deltasize)
-            if delta == rev - 1:
-                numprev += 1
-                if delta == p1:
-                    nump1prev += 1
-                elif delta == p2:
-                    nump2prev += 1
-            elif delta == p1:
-                nump1 += 1
-            elif delta == p2:
-                nump2 += 1
-            elif delta != nullrev:
-                numother += 1
-
-        # Obtain data on the raw chunks in the revlog.
-        chunk = r._chunkraw(rev, rev)[1]
-        if chunk:
-            chunktype = chunk[0]
-        else:
-            chunktype = 'empty'
-
-        if chunktype not in chunktypecounts:
-            chunktypecounts[chunktype] = 0
-            chunktypesizes[chunktype] = 0
-
-        chunktypecounts[chunktype] += 1
-        chunktypesizes[chunktype] += size
-
-    # Adjust size min value for empty cases
-    for size in (datasize, fullsize, deltasize):
-        if size[0] is None:
-            size[0] = 0
-
-    numdeltas = numrevs - numfull
-    numoprev = numprev - nump1prev - nump2prev
-    totalrawsize = datasize[2]
-    datasize[2] /= numrevs
-    fulltotal = fullsize[2]
-    fullsize[2] /= numfull
-    deltatotal = deltasize[2]
-    if numrevs - numfull > 0:
-        deltasize[2] /= numrevs - numfull
-    totalsize = fulltotal + deltatotal
-    avgchainlen = sum(chainlengths) / numrevs
-    maxchainlen = max(chainlengths)
-    compratio = 1
-    if totalsize:
-        compratio = totalrawsize / totalsize
-
-    basedfmtstr = '%%%dd\n'
-    basepcfmtstr = '%%%dd %s(%%5.2f%%%%)\n'
-
-    def dfmtstr(max):
-        return basedfmtstr % len(str(max))
-    def pcfmtstr(max, padding=0):
-        return basepcfmtstr % (len(str(max)), ' ' * padding)
-
-    def pcfmt(value, total):
-        if total:
-            return (value, 100 * float(value) / total)
-        else:
-            return value, 100.0
-
-    ui.write(('format : %d\n') % format)
-    ui.write(('flags  : %s\n') % ', '.join(flags))
-
-    ui.write('\n')
-    fmt = pcfmtstr(totalsize)
-    fmt2 = dfmtstr(totalsize)
-    ui.write(('revisions     : ') + fmt2 % numrevs)
-    ui.write(('    merges    : ') + fmt % pcfmt(nummerges, numrevs))
-    ui.write(('    normal    : ') + fmt % pcfmt(numrevs - nummerges, numrevs))
-    ui.write(('revisions     : ') + fmt2 % numrevs)
-    ui.write(('    full      : ') + fmt % pcfmt(numfull, numrevs))
-    ui.write(('    deltas    : ') + fmt % pcfmt(numdeltas, numrevs))
-    ui.write(('revision size : ') + fmt2 % totalsize)
-    ui.write(('    full      : ') + fmt % pcfmt(fulltotal, totalsize))
-    ui.write(('    deltas    : ') + fmt % pcfmt(deltatotal, totalsize))
-
-    def fmtchunktype(chunktype):
-        if chunktype == 'empty':
-            return '    %s     : ' % chunktype
-        elif chunktype in string.ascii_letters:
-            return '    0x%s (%s)  : ' % (hex(chunktype), chunktype)
-        else:
-            return '    0x%s      : ' % hex(chunktype)
-
-    ui.write('\n')
-    ui.write(('chunks        : ') + fmt2 % numrevs)
-    for chunktype in sorted(chunktypecounts):
-        ui.write(fmtchunktype(chunktype))
-        ui.write(fmt % pcfmt(chunktypecounts[chunktype], numrevs))
-    ui.write(('chunks size   : ') + fmt2 % totalsize)
-    for chunktype in sorted(chunktypecounts):
-        ui.write(fmtchunktype(chunktype))
-        ui.write(fmt % pcfmt(chunktypesizes[chunktype], totalsize))
-
-    ui.write('\n')
-    fmt = dfmtstr(max(avgchainlen, compratio))
-    ui.write(('avg chain length  : ') + fmt % avgchainlen)
-    ui.write(('max chain length  : ') + fmt % maxchainlen)
-    ui.write(('compression ratio : ') + fmt % compratio)
-
-    if format > 0:
-        ui.write('\n')
-        ui.write(('uncompressed data size (min/max/avg) : %d / %d / %d\n')
-                 % tuple(datasize))
-    ui.write(('full revision size (min/max/avg)     : %d / %d / %d\n')
-             % tuple(fullsize))
-    ui.write(('delta size (min/max/avg)             : %d / %d / %d\n')
-             % tuple(deltasize))
-
-    if numdeltas > 0:
-        ui.write('\n')
-        fmt = pcfmtstr(numdeltas)
-        fmt2 = pcfmtstr(numdeltas, 4)
-        ui.write(('deltas against prev  : ') + fmt % pcfmt(numprev, numdeltas))
-        if numprev > 0:
-            ui.write(('    where prev = p1  : ') + fmt2 % pcfmt(nump1prev,
-                                                              numprev))
-            ui.write(('    where prev = p2  : ') + fmt2 % pcfmt(nump2prev,
-                                                              numprev))
-            ui.write(('    other            : ') + fmt2 % pcfmt(numoprev,
-                                                              numprev))
-        if gdelta:
-            ui.write(('deltas against p1    : ')
-                     + fmt % pcfmt(nump1, numdeltas))
-            ui.write(('deltas against p2    : ')
-                     + fmt % pcfmt(nump2, numdeltas))
-            ui.write(('deltas against other : ') + fmt % pcfmt(numother,
-                                                             numdeltas))
-
 @command('debugrevspec',
     [('', 'optimize', None,
       _('print parsed tree after optimizing (DEPRECATED)')),