There's no good reason to use types like long or short in new code.

Change-Id: Ic6de6259d5a99b7af478e9c6ab74e65d81b022e2

When run with no arguments, report warnings in the diff between the
working tree and HEAD. With arguments, report warnings in the diff
between the named commit and its parents.

Change-Id: Ie10dcdecb303edf8af51bad645cc11206a1fc26b

Prior to this patch, if there were any lint errors, this script would
exit with an error, even if those errors were not in the hunks being
tested by this script. This change makes it so that if any lint lines
are printed, an error is returned.

Change-Id: I69c8bef4367ccf25d287508f29e587b1f4426143

Rather than diffing only the index, support checking arbitrary commits.

Change-Id: Ia135a487990d8293d1e0799dc062b9f49e020b25

Shows the subset of style violations that intersect with lines modified
in the current index.

Change-Id: I0b51674fd43df118e8bbf55b684a1ca0bd0e1d40