graft: exit 1 on conflicts, like merge
It's more consistent, and makes it nicer to script around hg if you
don't have to ignore exit code 255, which is the error code for
basically everything in hg.
Differential Revision: https://phab.mercurial-scm.org/D8423
{
// Enforcing
"eqeqeq" : true, // true: Require triple equals (===) for comparison
"forin" : true, // true: Require filtering for..in loops with obj.hasOwnProperty()
"freeze" : true, // true: prohibits overwriting prototypes of native objects such as Array, Date etc.
"nonbsp" : true, // true: Prohibit "non-breaking whitespace" characters.
"undef" : true, // true: Require all non-global variables to be declared (prevents global leaks)
// Environments
"browser" : true // Web Browser (window, document, etc)
}