test/com/facebook/buck/shell/testdata/sh_binary_trivial/BUCK

sh_binary(
  name = 'example_sh',
  main = 'example.sh',
)

genrule(
  name = 'run_example',
  cmd = '$(exe :example_sh) arg1 arg2 > $OUT',
  out = 'example_out.txt',
  deps = [
    ':example_sh',
  ],
)