verify: clarify misleading fncache message

This is a message about cache corruption, not repository corruption or
actually missing files. Fix message and reduce to a warning.

mercurial/verify.py

@@ -1,321 +1,321 b''
 # verify.py - repository integrity checking for Mercurial
 #
 # Copyright 2006, 2007 Matt Mackall <[e-mail]>
 #
 # This software may be used and distributed according to the terms of the
 # GNU General Public License version 2 or any later version.
 
 from node import nullid, short
 from i18n import _
 import os
 import revlog, util, error
 
 def verify(repo):
     lock = repo.lock()
     try:
         return _verify(repo)
     finally:
         lock.release()
 
 def _normpath(f):
     # under hg < 2.4, convert didn't sanitize paths properly, so a
     # converted repo may contain repeated slashes
     while '//' in f:
         f = f.replace('//', '/')
     return f
 
 def _verify(repo):
     repo = repo.unfiltered()
     mflinkrevs = {}
     filelinkrevs = {}
     filenodes = {}
     revisions = 0
     badrevs = set()
     errors = [0]
     warnings = [0]
     ui = repo.ui
     cl = repo.changelog
     mf = repo.manifest
     lrugetctx = util.lrucachefunc(repo.changectx)
 
     if not repo.url().startswith('file:'):
         raise util.Abort(_("cannot verify bundle or remote repos"))
 
     def err(linkrev, msg, filename=None):
         if linkrev is not None:
             badrevs.add(linkrev)
         else:
             linkrev = '?'
         msg = "%s: %s" % (linkrev, msg)
         if filename:
             msg = "%s@%s" % (filename, msg)
         ui.warn(" " + msg + "\n")
         errors[0] += 1
 
     def exc(linkrev, msg, inst, filename=None):
         if isinstance(inst, KeyboardInterrupt):
             ui.warn(_("interrupted"))
             raise
         if not str(inst):
             inst = repr(inst)
         err(linkrev, "%s: %s" % (msg, inst), filename)
 
     def warn(msg):
         ui.warn(msg + "\n")
         warnings[0] += 1
 
     def checklog(obj, name, linkrev):
         if not len(obj) and (havecl or havemf):
             err(linkrev, _("empty or missing %s") % name)
             return
 
         d = obj.checksize()
         if d[0]:
             err(None, _("data length off by %d bytes") % d[0], name)
         if d[1]:
             err(None, _("index contains %d extra bytes") % d[1], name)
 
         if obj.version != revlog.REVLOGV0:
             if not revlogv1:
                 warn(_("warning: `%s' uses revlog format 1") % name)
         elif revlogv1:
             warn(_("warning: `%s' uses revlog format 0") % name)
 
     def checkentry(obj, i, node, seen, linkrevs, f):
         lr = obj.linkrev(obj.rev(node))
         if lr < 0 or (havecl and lr not in linkrevs):
             if lr < 0 or lr >= len(cl):
                 msg = _("rev %d points to nonexistent changeset %d")
             else:
                 msg = _("rev %d points to unexpected changeset %d")
             err(None, msg % (i, lr), f)
             if linkrevs:
                 if f and len(linkrevs) > 1:
                     try:
                         # attempt to filter down to real linkrevs
                         linkrevs = [l for l in linkrevs
                                     if lrugetctx(l)[f].filenode() == node]
                     except Exception:
                         pass
                 warn(_(" (expected %s)") % " ".join(map(str, linkrevs)))
             lr = None # can't be trusted
 
         try:
             p1, p2 = obj.parents(node)
             if p1 not in seen and p1 != nullid:
                 err(lr, _("unknown parent 1 %s of %s") %
                     (short(p1), short(node)), f)
             if p2 not in seen and p2 != nullid:
                 err(lr, _("unknown parent 2 %s of %s") %
                     (short(p2), short(node)), f)
         except Exception, inst:
             exc(lr, _("checking parents of %s") % short(node), inst, f)
 
         if node in seen:
             err(lr, _("duplicate revision %d (%d)") % (i, seen[node]), f)
         seen[node] = i
         return lr
 
     if os.path.exists(repo.sjoin("journal")):
         ui.warn(_("abandoned transaction found - run hg recover\n"))
 
     revlogv1 = cl.version != revlog.REVLOGV0
     if ui.verbose or not revlogv1:
         ui.status(_("repository uses revlog format %d\n") %
                        (revlogv1 and 1 or 0))
 
     havecl = len(cl) > 0
     havemf = len(mf) > 0
 
     ui.status(_("checking changesets\n"))
     refersmf = False
     seen = {}
     checklog(cl, "changelog", 0)
     total = len(repo)
     for i in repo:
         ui.progress(_('checking'), i, total=total, unit=_('changesets'))
         n = cl.node(i)
         checkentry(cl, i, n, seen, [i], "changelog")
 
         try:
             changes = cl.read(n)
             if changes[0] != nullid:
                 mflinkrevs.setdefault(changes[0], []).append(i)
                 refersmf = True
             for f in changes[3]:
                 filelinkrevs.setdefault(_normpath(f), []).append(i)
         except Exception, inst:
             refersmf = True
             exc(i, _("unpacking changeset %s") % short(n), inst)
     ui.progress(_('checking'), None)
 
     ui.status(_("checking manifests\n"))
     seen = {}
     if refersmf:
         # Do not check manifest if there are only changelog entries with
         # null manifests.
         checklog(mf, "manifest", 0)
     total = len(mf)
     for i in mf:
         ui.progress(_('checking'), i, total=total, unit=_('manifests'))
         n = mf.node(i)
         lr = checkentry(mf, i, n, seen, mflinkrevs.get(n, []), "manifest")
         if n in mflinkrevs:
             del mflinkrevs[n]
         else:
             err(lr, _("%s not in changesets") % short(n), "manifest")
 
         try:
             for f, fn in mf.readdelta(n).iteritems():
                 if not f:
                     err(lr, _("file without name in manifest"))
                 elif f != "/dev/null": # ignore this in very old repos
                     filenodes.setdefault(_normpath(f), {}).setdefault(fn, lr)
         except Exception, inst:
             exc(lr, _("reading manifest delta %s") % short(n), inst)
     ui.progress(_('checking'), None)
 
     ui.status(_("crosschecking files in changesets and manifests\n"))
 
     total = len(mflinkrevs) + len(filelinkrevs) + len(filenodes)
     count = 0
     if havemf:
         for c, m in sorted([(c, m) for m in mflinkrevs
                             for c in mflinkrevs[m]]):
             count += 1
             if m == nullid:
                 continue
             ui.progress(_('crosschecking'), count, total=total)
             err(c, _("changeset refers to unknown manifest %s") % short(m))
         mflinkrevs = None # del is bad here due to scope issues
 
         for f in sorted(filelinkrevs):
             count += 1
             ui.progress(_('crosschecking'), count, total=total)
             if f not in filenodes:
                 lr = filelinkrevs[f][0]
                 err(lr, _("in changeset but not in manifest"), f)
 
     if havecl:
         for f in sorted(filenodes):
             count += 1
             ui.progress(_('crosschecking'), count, total=total)
             if f not in filelinkrevs:
                 try:
                     fl = repo.file(f)
                     lr = min([fl.linkrev(fl.rev(n)) for n in filenodes[f]])
                 except Exception:
                     lr = None
                 err(lr, _("in manifest but not in changeset"), f)
 
     ui.progress(_('crosschecking'), None)
 
     ui.status(_("checking files\n"))
 
     storefiles = set()
     for f, f2, size in repo.store.datafiles():
         if not f:
             err(None, _("cannot decode filename '%s'") % f2)
         elif size > 0 or not revlogv1:
             storefiles.add(_normpath(f))
 
     files = sorted(set(filenodes) | set(filelinkrevs))
     total = len(files)
     for i, f in enumerate(files):
         ui.progress(_('checking'), i, item=f, total=total)
         try:
             linkrevs = filelinkrevs[f]
         except KeyError:
             # in manifest but not in changelog
             linkrevs = []
 
         if linkrevs:
             lr = linkrevs[0]
         else:
             lr = None
 
         try:
             fl = repo.file(f)
         except error.RevlogError, e:
             err(lr, _("broken revlog! (%s)") % e, f)
             continue
 
         for ff in fl.files():
             try:
                 storefiles.remove(ff)
             except KeyError:
-                err(lr, _("missing revlog!"), ff)
+                warn(_(" warning: revlog '%s' not in fncache!") % ff)
 
         checklog(fl, f, lr)
         seen = {}
         rp = None
         for i in fl:
             revisions += 1
             n = fl.node(i)
             lr = checkentry(fl, i, n, seen, linkrevs, f)
             if f in filenodes:
                 if havemf and n not in filenodes[f]:
                     err(lr, _("%s not in manifests") % (short(n)), f)
                 else:
                     del filenodes[f][n]
 
             # verify contents
             try:
                 l = len(fl.read(n))
                 rp = fl.renamed(n)
                 if l != fl.size(i):
                     if len(fl.revision(n)) != fl.size(i):
                         err(lr, _("unpacked size is %s, %s expected") %
                             (l, fl.size(i)), f)
             except error.CensoredNodeError:
                 if ui.config("censor", "policy", "abort") == "abort":
                     err(lr, _("censored file data"), f)
             except Exception, inst:
                 exc(lr, _("unpacking %s") % short(n), inst, f)
 
             # check renames
             try:
                 if rp:
                     if lr is not None and ui.verbose:
                         ctx = lrugetctx(lr)
                         found = False
                         for pctx in ctx.parents():
                             if rp[0] in pctx:
                                 found = True
                                 break
                         if not found:
                             warn(_("warning: copy source of '%s' not"
                                    " in parents of %s") % (f, ctx))
                     fl2 = repo.file(rp[0])
                     if not len(fl2):
                         err(lr, _("empty or missing copy source revlog %s:%s")
                             % (rp[0], short(rp[1])), f)
                     elif rp[1] == nullid:
                         ui.note(_("warning: %s@%s: copy source"
                                   " revision is nullid %s:%s\n")
                             % (f, lr, rp[0], short(rp[1])))
                     else:
                         fl2.rev(rp[1])
             except Exception, inst:
                 exc(lr, _("checking rename of %s") % short(n), inst, f)
 
         # cross-check
         if f in filenodes:
             fns = [(lr, n) for n, lr in filenodes[f].iteritems()]
             for lr, node in sorted(fns):
                 err(lr, _("%s in manifests not found") % short(node), f)
     ui.progress(_('checking'), None)
 
     for f in storefiles:
         warn(_("warning: orphan revlog '%s'") % f)
 
     ui.status(_("%d files, %d changesets, %d total revisions\n") %
                    (len(files), len(cl), revisions))
     if warnings[0]:
         ui.warn(_("%d warnings encountered!\n") % warnings[0])
     if errors[0]:
         ui.warn(_("%d integrity errors encountered!\n") % errors[0])
         if badrevs:
             ui.warn(_("(first damaged changeset appears to be %d)\n")
                     % min(badrevs))
         return 1

tests/test-fncache.t

@@ -1,287 +1,285 b''
 Init repo1:
 
   $ hg init repo1
   $ cd repo1
   $ echo "some text" > a
   $ hg add
   adding a
   $ hg ci -m first
   $ cat .hg/store/fncache | sort
   data/a.i
 
 Testing a.i/b:
 
   $ mkdir a.i
   $ echo "some other text" > a.i/b
   $ hg add
   adding a.i/b (glob)
   $ hg ci -m second
   $ cat .hg/store/fncache | sort
   data/a.i
   data/a.i.hg/b.i
 
 Testing a.i.hg/c:
 
   $ mkdir a.i.hg
   $ echo "yet another text" > a.i.hg/c
   $ hg add
   adding a.i.hg/c (glob)
   $ hg ci -m third
   $ cat .hg/store/fncache | sort
   data/a.i
   data/a.i.hg.hg/c.i
   data/a.i.hg/b.i
 
 Testing verify:
 
   $ hg verify
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
   3 files, 3 changesets, 3 total revisions
 
   $ rm .hg/store/fncache
 
   $ hg verify
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
-   data/a.i@0: missing revlog!
-   data/a.i.hg/c.i@2: missing revlog!
-   data/a.i/b.i@1: missing revlog!
+   warning: revlog 'data/a.i' not in fncache!
+   warning: revlog 'data/a.i.hg/c.i' not in fncache!
+   warning: revlog 'data/a.i/b.i' not in fncache!
   3 files, 3 changesets, 3 total revisions
-  3 integrity errors encountered!
-  (first damaged changeset appears to be 0)
-  [1]
+  3 warnings encountered!
   $ cd ..
 
 Non store repo:
 
   $ hg --config format.usestore=False init foo
   $ cd foo
   $ mkdir tst.d
   $ echo foo > tst.d/foo
   $ hg ci -Amfoo
   adding tst.d/foo
   $ find .hg | sort
   .hg
   .hg/00changelog.i
   .hg/00manifest.i
   .hg/cache
   .hg/cache/branch2-served
   .hg/cache/rbc-names-v1
   .hg/cache/rbc-revs-v1
   .hg/data
   .hg/data/tst.d.hg
   .hg/data/tst.d.hg/foo.i
   .hg/dirstate
   .hg/last-message.txt
   .hg/phaseroots
   .hg/requires
   .hg/undo
   .hg/undo.backupfiles
   .hg/undo.bookmarks
   .hg/undo.branch
   .hg/undo.desc
   .hg/undo.dirstate
   .hg/undo.phaseroots
   $ cd ..
 
 Non fncache repo:
 
   $ hg --config format.usefncache=False init bar
   $ cd bar
   $ mkdir tst.d
   $ echo foo > tst.d/Foo
   $ hg ci -Amfoo
   adding tst.d/Foo
   $ find .hg | sort
   .hg
   .hg/00changelog.i
   .hg/cache
   .hg/cache/branch2-served
   .hg/cache/rbc-names-v1
   .hg/cache/rbc-revs-v1
   .hg/dirstate
   .hg/last-message.txt
   .hg/requires
   .hg/store
   .hg/store/00changelog.i
   .hg/store/00manifest.i
   .hg/store/data
   .hg/store/data/tst.d.hg
   .hg/store/data/tst.d.hg/_foo.i
   .hg/store/phaseroots
   .hg/store/undo
   .hg/store/undo.backupfiles
   .hg/store/undo.phaseroots
   .hg/undo.bookmarks
   .hg/undo.branch
   .hg/undo.desc
   .hg/undo.dirstate
   $ cd ..
 
 Encoding of reserved / long paths in the store
 
   $ hg init r2
   $ cd r2
   $ cat <<EOF > .hg/hgrc
   > [ui]
   > portablefilenames = ignore
   > EOF
 
   $ hg import -q --bypass - <<EOF
   > # HG changeset patch
   > # User test
   > # Date 0 0
   > # Node ID 1c7a2f7cb77be1a0def34e4c7cabc562ad98fbd7
   > # Parent  0000000000000000000000000000000000000000
   > 1
   > 
   > diff --git a/12345678/12345678/12345678/12345678/12345678/12345678/12345678/12345/xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-12.3456789-12345-ABCDEFGHIJKLMNOPRSTUVWXYZ-abcdefghjiklmnopqrstuvwxyz b/12345678/12345678/12345678/12345678/12345678/12345678/12345678/12345/xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-12.3456789-12345-ABCDEFGHIJKLMNOPRSTUVWXYZ-abcdefghjiklmnopqrstuvwxyz
   > new file mode 100644
   > --- /dev/null
   > +++ b/12345678/12345678/12345678/12345678/12345678/12345678/12345678/12345/xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-12.3456789-12345-ABCDEFGHIJKLMNOPRSTUVWXYZ-abcdefghjiklmnopqrstuvwxyz
   > @@ -0,0 +1,1 @@
   > +foo
   > diff --git a/AUX/SECOND/X.PRN/FOURTH/FI:FTH/SIXTH/SEVENTH/EIGHTH/NINETH/TENTH/ELEVENTH/LOREMIPSUM.TXT b/AUX/SECOND/X.PRN/FOURTH/FI:FTH/SIXTH/SEVENTH/EIGHTH/NINETH/TENTH/ELEVENTH/LOREMIPSUM.TXT
   > new file mode 100644
   > --- /dev/null
   > +++ b/AUX/SECOND/X.PRN/FOURTH/FI:FTH/SIXTH/SEVENTH/EIGHTH/NINETH/TENTH/ELEVENTH/LOREMIPSUM.TXT
   > @@ -0,0 +1,1 @@
   > +foo
   > diff --git a/Project Planning/Resources/AnotherLongDirectoryName/Followedbyanother/AndAnother/AndThenAnExtremelyLongFileName.txt b/Project Planning/Resources/AnotherLongDirectoryName/Followedbyanother/AndAnother/AndThenAnExtremelyLongFileName.txt
   > new file mode 100644
   > --- /dev/null
   > +++ b/Project Planning/Resources/AnotherLongDirectoryName/Followedbyanother/AndAnother/AndThenAnExtremelyLongFileName.txt	
   > @@ -0,0 +1,1 @@
   > +foo
   > diff --git a/bla.aux/prn/PRN/lpt/com3/nul/coma/foo.NUL/normal.c b/bla.aux/prn/PRN/lpt/com3/nul/coma/foo.NUL/normal.c
   > new file mode 100644
   > --- /dev/null
   > +++ b/bla.aux/prn/PRN/lpt/com3/nul/coma/foo.NUL/normal.c
   > @@ -0,0 +1,1 @@
   > +foo
   > diff --git a/enterprise/openesbaddons/contrib-imola/corba-bc/netbeansplugin/wsdlExtension/src/main/java/META-INF/services/org.netbeans.modules.xml.wsdl.bindingsupport.spi.ExtensibilityElementTemplateProvider b/enterprise/openesbaddons/contrib-imola/corba-bc/netbeansplugin/wsdlExtension/src/main/java/META-INF/services/org.netbeans.modules.xml.wsdl.bindingsupport.spi.ExtensibilityElementTemplateProvider
   > new file mode 100644
   > --- /dev/null
   > +++ b/enterprise/openesbaddons/contrib-imola/corba-bc/netbeansplugin/wsdlExtension/src/main/java/META-INF/services/org.netbeans.modules.xml.wsdl.bindingsupport.spi.ExtensibilityElementTemplateProvider
   > @@ -0,0 +1,1 @@
   > +foo
   > EOF
 
   $ find .hg/store -name *.i  | sort
   .hg/store/00changelog.i
   .hg/store/00manifest.i
   .hg/store/data/bla.aux/pr~6e/_p_r_n/lpt/co~6d3/nu~6c/coma/foo._n_u_l/normal.c.i
   .hg/store/dh/12345678/12345678/12345678/12345678/12345678/12345678/12345678/12345/xxxxxx168e07b38e65eff86ab579afaaa8e30bfbe0f35f.i
   .hg/store/dh/au~78/second/x.prn/fourth/fi~3afth/sixth/seventh/eighth/nineth/tenth/loremia20419e358ddff1bf8751e38288aff1d7c32ec05.i
   .hg/store/dh/enterpri/openesba/contrib-/corba-bc/netbeans/wsdlexte/src/main/java/org.net7018f27961fdf338a598a40c4683429e7ffb9743.i
   .hg/store/dh/project_/resource/anotherl/followed/andanoth/andthenanextremelylongfilename0d8e1f4187c650e2f1fdca9fd90f786bc0976b6b.i
 
   $ cd ..
 
 Aborting lock does not prevent fncache writes
 
   $ cat > exceptionext.py <<EOF
   > import os
   > from mercurial import commands, util
   > from mercurial.extensions import wrapfunction
   > 
   > def lockexception(orig, vfs, lockname, wait, releasefn, acquirefn, desc):
   >     def releasewrap():
   >         raise util.Abort("forced lock failure")
   >     return orig(vfs, lockname, wait, releasewrap, acquirefn, desc)
   > 
   > def reposetup(ui, repo):
   >     wrapfunction(repo, '_lock', lockexception)
   > 
   > cmdtable = {}
   > 
   > EOF
   $ extpath=`pwd`/exceptionext.py
   $ hg init fncachetxn
   $ cd fncachetxn
   $ printf "[extensions]\nexceptionext=$extpath\n" >> .hg/hgrc
   $ touch y
   $ hg ci -qAm y
   abort: forced lock failure
   [255]
   $ cat .hg/store/fncache
   data/y.i
 
 Aborting transaction prevents fncache change
 
   $ cat > ../exceptionext.py <<EOF
   > import os
   > from mercurial import commands, util, localrepo
   > from mercurial.extensions import wrapfunction
   > 
   > def wrapper(orig, self, *args, **kwargs):
   >     tr = orig(self, *args, **kwargs)
   >     def fail(tr):
   >         raise util.Abort("forced transaction failure")
   >     # zzz prefix to ensure it sorted after store.write
   >     tr.addfinalize('zzz-forcefails', fail)
   >     return tr
   > 
   > def uisetup(ui):
   >     wrapfunction(localrepo.localrepository, 'transaction', wrapper)
   > 
   > cmdtable = {}
   > 
   > EOF
   $ rm -f "${extpath}c"
   $ touch z
   $ hg ci -qAm z
   transaction abort!
   rollback completed
   abort: forced transaction failure
   [255]
   $ cat .hg/store/fncache
   data/y.i
 
 Aborted transactions can be recovered later
 
   $ cat > ../exceptionext.py <<EOF
   > import os
   > from mercurial import commands, util, transaction, localrepo
   > from mercurial.extensions import wrapfunction
   > 
   > def trwrapper(orig, self, *args, **kwargs):
   >     tr = orig(self, *args, **kwargs)
   >     def fail(tr):
   >         raise util.Abort("forced transaction failure")
   >     # zzz prefix to ensure it sorted after store.write
   >     tr.addfinalize('zzz-forcefails', fail)
   >     return tr
   > 
   > def abortwrapper(orig, self, *args, **kwargs):
   >     raise util.Abort("forced transaction failure")
   > 
   > def uisetup(ui):
   >     wrapfunction(localrepo.localrepository, 'transaction', trwrapper)
   >     wrapfunction(transaction.transaction, '_abort', abortwrapper)
   > 
   > cmdtable = {}
   > 
   > EOF
   $ rm -f "${extpath}c"
   $ hg up -q 1
   $ touch z
   $ hg ci -qAm z 2>/dev/null
   [255]
   $ cat .hg/store/fncache | sort
   data/y.i
   data/z.i
   $ hg recover
   rolling back interrupted transaction
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
   1 files, 1 changesets, 1 total revisions
   $ cat .hg/store/fncache
   data/y.i

tests/test-verify.t

@@ -1,115 +1,116 b''
 prepare repo
 
   $ hg init a
   $ cd a
   $ echo "some text" > FOO.txt
   $ echo "another text" > bar.txt
   $ echo "more text" > QUICK.txt
   $ hg add
   adding FOO.txt
   adding QUICK.txt
   adding bar.txt
   $ hg ci -mtest1
 
 verify
 
   $ hg verify
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
   3 files, 1 changesets, 3 total revisions
 
 verify with journal
 
   $ touch .hg/store/journal
   $ hg verify
   abandoned transaction found - run hg recover
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
   3 files, 1 changesets, 3 total revisions
   $ rm .hg/store/journal
 
 introduce some bugs in repo
 
   $ cd .hg/store/data
   $ mv _f_o_o.txt.i X_f_o_o.txt.i
   $ mv bar.txt.i xbar.txt.i
   $ rm _q_u_i_c_k.txt.i
 
   $ hg verify
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
-   data/FOO.txt.i@0: missing revlog!
+   warning: revlog 'data/FOO.txt.i' not in fncache!
    0: empty or missing FOO.txt
    FOO.txt@0: f62022d3d590 in manifests not found
-   data/QUICK.txt.i@0: missing revlog!
+   warning: revlog 'data/QUICK.txt.i' not in fncache!
    0: empty or missing QUICK.txt
    QUICK.txt@0: 88b857db8eba in manifests not found
-   data/bar.txt.i@0: missing revlog!
+   warning: revlog 'data/bar.txt.i' not in fncache!
    0: empty or missing bar.txt
    bar.txt@0: 256559129457 in manifests not found
   3 files, 1 changesets, 0 total revisions
-  9 integrity errors encountered!
+  3 warnings encountered!
+  6 integrity errors encountered!
   (first damaged changeset appears to be 0)
   [1]
 
   $ cd ../../..
   $ cd ..
 
 test changelog without a manifest
 
   $ hg init b
   $ cd b
   $ hg branch foo
   marked working directory as branch foo
   (branches are permanent and global, did you want a bookmark?)
   $ hg ci -m branchfoo
   $ hg verify
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
   0 files, 1 changesets, 0 total revisions
 
 test revlog corruption
 
   $ touch a
   $ hg add a
   $ hg ci -m a
 
   $ echo 'corrupted' > b
   $ dd if=.hg/store/data/a.i of=start bs=1 count=20 2>/dev/null
   $ cat start b > .hg/store/data/a.i
 
   $ hg verify
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
    a@1: broken revlog! (index data/a.i is corrupted)
   warning: orphan revlog 'data/a.i'
   1 files, 2 changesets, 0 total revisions
   1 warnings encountered!
   1 integrity errors encountered!
   (first damaged changeset appears to be 1)
   [1]
 
   $ cd ..
 
 test revlog format 0
 
   $ revlog-formatv0.py
   $ cd formatv0
   $ hg verify
   repository uses revlog format 0
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
   1 files, 1 changesets, 1 total revisions
   $ cd ..