Test whether a folder path is part of a git or SVN repository.
var gitorsvn = require('git-or-svn');
gitorsvn( __dirname, function(gitorsvn) {
if ( gitorsvn === 'git' ) {
// It's a git repo!
} else if ( gitorsvn === 'svn' ) {
// It's an svn repo!
} else {
// It's neither!
}
});