$ echo "[extensions]" >> $HGRCPATH

  $ echo "mq=">> $HGRCPATH

  $ teststrip() {

  >   hg -q up -C $1

  >   echo % before update $1, strip $2

  >   hg parents

  >   chmod -$3 $4

  >   hg strip $2 2>&1 | sed 's/\(bundle\).*/\1/' | sed 's/Permission denied.*\.hg\/store\/\(.*\)/Permission denied \.hg\/store\/\1/'

  >   echo % after update $1, strip $2

  >   chmod +$3 $4

  >   hg verify

  >   echo % journal contents

  >   if [ -f .hg/store/journal ]; then

  >       sed -e 's/\.i[^\n]*/\.i/' .hg/store/journal

  >   else

  >       echo "(no journal)"

  >   fi

  >   ls .hg/store/journal >/dev/null 2>&1 && hg recover

  >   ls .hg/strip-backup/* >/dev/null 2>&1 && hg unbundle -q .hg/strip-backup/*

  >   rm -rf .hg/strip-backup

  > }

  $ hg init test

  $ cd test

  $ echo a > a

  $ hg -q ci -m "a" -A

  $ echo b > b

  $ hg -q ci -m "b" -A

  $ echo b2 >> b

  $ hg -q ci -m "b2" -A

  $ echo c > c

  $ hg -q ci -m "c" -A

  $ teststrip 0 2 w .hg/store/data/b.i

  % before update 0, strip 2

  changeset:   0:cb9a9f314b8b

  user:        test

  date:        Thu Jan 01 00:00:00 1970 +0000

  summary:     a

  saved backup bundle

  transaction abort!

  failed to truncate data/b.i

  rollback failed - please run hg recover

  strip failed, full bundle

  abort: Permission denied .hg/store/data/b.i

  % after update 0, strip 2

  abandoned transaction found - run hg recover

  checking changesets

  checking manifests

  crosschecking files in changesets and manifests

  checking files

   b@?: rev 1 points to nonexistent changeset 2

   (expected 1)

   b@?: 736c29771fba not in manifests

  warning: orphan revlog 'data/c.i'

  2 files, 2 changesets, 3 total revisions

  2 warnings encountered!

  2 integrity errors encountered!

  % journal contents

  00changelog.i

  00manifest.i

  data/b.i

  data/c.i

  rolling back interrupted transaction

  checking changesets

  checking manifests

  crosschecking files in changesets and manifests

  checking files

  2 files, 2 changesets, 2 total revisions

  $ teststrip 0 2 r .hg/store/data/b.i

  % before update 0, strip 2

  changeset:   0:cb9a9f314b8b

  user:        test

  date:        Thu Jan 01 00:00:00 1970 +0000

  summary:     a

  abort: Permission denied .hg/store/data/b.i

  % after update 0, strip 2

  checking changesets

  checking manifests

  crosschecking files in changesets and manifests

  checking files

  3 files, 4 changesets, 4 total revisions

  % journal contents

  (no journal)

  $ teststrip 0 2 w .hg/store/00manifest.i

  % before update 0, strip 2

  changeset:   0:cb9a9f314b8b

  user:        test

  date:        Thu Jan 01 00:00:00 1970 +0000

  summary:     a

  saved backup bundle

  transaction abort!

  failed to truncate 00manifest.i

  rollback failed - please run hg recover

  strip failed, full bundle

  abort: Permission denied .hg/store/00manifest.i

  % after update 0, strip 2

  abandoned transaction found - run hg recover

  checking changesets

  checking manifests

   manifest@?: rev 2 points to nonexistent changeset 2

   manifest@?: 3362547cdf64 not in changesets

   manifest@?: rev 3 points to nonexistent changeset 3

   manifest@?: 265a85892ecb not in changesets

  crosschecking files in changesets and manifests

   c@3: in manifest but not in changeset

  checking files

   b@?: rev 1 points to nonexistent changeset 2

   (expected 1)

   c@?: rev 0 points to nonexistent changeset 3

  3 files, 2 changesets, 4 total revisions

  1 warnings encountered!

  7 integrity errors encountered!

  (first damaged changeset appears to be 3)

  % journal contents

  00changelog.i

  00manifest.i

  data/b.i

  data/c.i

  rolling back interrupted transaction

  checking changesets

  checking manifests

  crosschecking files in changesets and manifests

  checking files

  2 files, 2 changesets, 2 total revisions