rhg: look for repository in ancestors also instead of cwd only
Last patch introduced config reading at startup to parse value of `--repository`
flag. However, that patch only tried to check for current repository at current
working directory and not it's ancestors. This patch fixes that.
Differential Revision: https://phab.mercurial-scm.org/D10767
{
// 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)
}