$ mkdir t

  $ cd t

  $ hg init

  $ echo 0 > a

  $ echo 0 > b

  $ echo 0 > t.h

  $ mkdir t

  $ echo 0 > t/x

  $ echo 0 > t/b

  $ echo 0 > t/e.h

  $ mkdir dir.h

  $ echo 0 > dir.h/foo

  $ hg ci -A -m m

  adding a

  adding b

  adding dir.h/foo

  adding t.h

  adding t/b

  adding t/e.h

  adding t/x

  $ touch nottracked

  $ hg locate a && echo locate succeeded || echo locate failed

  a

  locate succeeded

  $ hg locate NONEXISTENT && echo locate succeeded || echo locate failed

  locate failed

  $ hg locate

  a

  b

  dir.h/foo

  t.h

  t/b

  t/e.h

  t/x

  $ hg rm a

  $ hg ci -m m

  $ hg locate a

  $ hg locate NONEXISTENT

  $ hg locate relpath:NONEXISTENT

  $ hg locate

  b

  dir.h/foo

  t.h

  t/b

  t/e.h

  t/x

  $ hg locate -r 0 a

  a

  $ hg locate -r 0 NONEXISTENT

  $ hg locate -r 0 relpath:NONEXISTENT

  $ hg locate -r 0

  a

  b

  dir.h/foo

  t.h

  t/b

  t/e.h

  t/x

-I/-X with relative path should work:

  $ cd t

  $ hg locate

  b

  dir.h/foo

  t.h

  t/b

  t/e.h

  t/x

  $ hg locate -I ../t

  t/b

  t/e.h

  t/x

Test issue294:

  $ cd ..

  $ rm -r t

  $ hg locate 't/**'

  t/b

  t/e.h

  t/x

  $ mkdir otherdir

  $ cd otherdir

  $ hg locate b

  ../b

  ../t/b

  $ hg locate '*.h'

  ../t.h

  ../t/e.h

  $ hg locate path:t/x

  ../t/x

  $ hg locate 're:.*\.h$'

  ../t.h

  ../t/e.h

  $ hg locate -r 0 b

  ../b

  ../t/b

  $ hg locate -r 0 '*.h'

  ../t.h

  ../t/e.h

  $ hg locate -r 0 path:t/x

  ../t/x

  $ hg locate -r 0 're:.*\.h$'

  ../t.h

  ../t/e.h