$ rm -rf a

  $ hg init a

  $ cd a

  $ echo foo > foo

  $ hg ci -qAm0

  $ chmod +x foo

  $ hg ci -m1

  $ hg co -q 0

  $ echo dirty > foo

  $ hg up -c

  abort: uncommitted local changes

  $ hg up -q

  $ cat foo

  dirty

  $ hg st -A

  M foo

Validate update of standalone execute bit change:

  $ hg up -C 0

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

  $ chmod -x foo

  $ hg ci -m removeexec

  nothing changed

  $ hg up -C 0

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

  $ hg up

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

  $ hg st