Set up repo

  $ cat << EOF >> $HGRCPATH

  > [ui]

  > origbackuppath=.hg/origbackups

  > [merge]

  > checkunknown=warn

  > EOF

  $ hg init repo

  $ cd repo

  $ echo base > base

  $ hg add base

  $ hg commit -m "base"

Make a dir named b that contains a file

  $ mkdir -p b

  $ echo c1 > b/c

  $ hg add b/c

  $ hg commit -m "c1"

  $ hg bookmark c1

Peform an update that causes b/c to be backed up

  $ hg up -q 0

  $ mkdir -p b

  $ echo c2 > b/c

  $ hg up --verbose c1

  resolving manifests

  b/c: replacing untracked file

  getting b/c

  creating directory: $TESTTMP/repo/.hg/origbackups/b

  1 files updated, 0 files merged, 0 files removed, 0 files unresolved

  (activating bookmark c1)

  $ test -f .hg/origbackups/b/c

Make a file named b

  $ hg up -q 0

  $ echo b1 > b

  $ hg add b

  $ hg commit -m b1

  created new head

  $ hg bookmark b1

Perform an update that causes b to be backed up - it should replace the backup b dir

  $ hg up -q 0

  $ echo b2 > b

  $ hg up --verbose b1

  resolving manifests

  b: replacing untracked file

  getting b

  removing conflicting directory: $TESTTMP/repo/.hg/origbackups/b

  1 files updated, 0 files merged, 0 files removed, 0 files unresolved

  (activating bookmark b1)

  $ test -f .hg/origbackups/b

Perform an update the causes b/c to be backed up again - it should replace the backup b file

  $ hg up -q 0

  $ mkdir b

  $ echo c3 > b/c

  $ hg up --verbose c1

  resolving manifests

  b/c: replacing untracked file

  getting b/c

  creating directory: $TESTTMP/repo/.hg/origbackups/b

  removing conflicting file: $TESTTMP/repo/.hg/origbackups/b

  1 files updated, 0 files merged, 0 files removed, 0 files unresolved

  (activating bookmark c1)

  $ test -d .hg/origbackups/b

Cause a symlink to be backed up that points to a valid location from the backup dir

  $ hg up -q 0

  $ mkdir ../sym-link-target

  $ ln -s ../../../sym-link-target b

  $ hg up b1

  b: replacing untracked file

  1 files updated, 0 files merged, 0 files removed, 0 files unresolved

  (activating bookmark b1)

  $ readlink.py .hg/origbackups/b

  .hg/origbackups/b -> ../../../sym-link-target

Perform an update that causes b/c to be backed up again - it should not go into the target dir

  $ hg up -q 0

  $ mkdir b

  $ echo c4 > b/c

  $ hg up --verbose c1

  resolving manifests

  b/c: replacing untracked file

  getting b/c

  creating directory: $TESTTMP/repo/.hg/origbackups/b

  removing conflicting file: $TESTTMP/repo/.hg/origbackups/b

  1 files updated, 0 files merged, 0 files removed, 0 files unresolved

  (activating bookmark c1)

  $ cat .hg/origbackups/b/c

  c4

  $ ls ../sym-link-target

Incorrectly configure origbackuppath to be under a file

  $ echo data > .hg/badorigbackups

  $ hg up -q 0

  $ mkdir b

  $ echo c5 > b/c

  $ hg up --verbose c1 --config ui.origbackuppath=.hg/badorigbackups

  resolving manifests

  b/c: replacing untracked file

  getting b/c

  creating directory: $TESTTMP/repo/.hg/badorigbackups/b

  [255]

  $ cat .hg/badorigbackups

  data