Often it is useful to provide a development build in addition to the
stable release or HEAD download.
Signed-off-by: Jack Nagel <jacknagel@gmail.com>
Signed-off-by: Adam Vandenberg <flangy@gmail.com>
fox was using the 1.7 unstable branch by default, which appears to be
less widely used and certainly isn't supported by fxruby. It now uses
the stable branch by default, and makes the unstable branch available as
an option with --devel. Also bump the version for 1.7.
FixesHomebrew/homebrew#8577.
ClosesHomebrew/homebrew#8583.
Signed-off-by: Charlie Sharpsteen <source@sharpsteen.net>
