tg-export.sh: support --quilt --force and tidy up usage
commite2a90acc84dd6c7fec1db3f9decdc6faa1dcee41
authorKyle J. McKay <mackyle@gmail.com>
Wed, 21 Jun 2017 09:30:19 +0000 (21 02:30 -0700)
committerKyle J. McKay <mackyle@gmail.com>
Wed, 21 Jun 2017 09:30:19 +0000 (21 02:30 -0700)
tree33b7d626624e24b7d570d74c65f3d81e3fdfc24f
parentcd5fcd84c2d77081283d659a9e2d44cf899695fc
tg-export.sh: support --quilt --force and tidy up usage

Make --force work with --quilt.  No surprises, it doesn't remove
anything with --force it just overwrites preexisting files with
the same names as files being output when --force is used (or it
tries to overwrite them anyway).

Move the usage information to the top and split it out into
something that's actually human readable.  Also mention the extra
options that --quilt takes in the usage for easy reference.

Signed-off-by: Kyle J. McKay <mackyle@gmail.com>
tg-export.sh