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var url = require('url')
module.exports = function normalize (u) {
var parsed = url.parse(u)
// If parsing actually alters the URL, it is almost certainly an
// scp-style URL, or an invalid one.
var altered = u !== url.format(parsed)
// git is so tricky!
// if the path is like ssh://foo:22/some/path then it works, but
// it needs the ssh://
// If the path is like ssh://foo:some/path then it works, but
// only if you remove the ssh://
if (parsed.protocol) {
parsed.protocol = parsed.protocol.replace(/^git\+/, '')
}
// figure out what we should check out.
var checkout = parsed.hash && parsed.hash.substr(1) || 'master'
parsed.hash = ''
var returnedUrl
if (altered) {
if (u.match(/^git\+https?/) && parsed.pathname.match(/\/?:[^0-9]/)) {
returnedUrl = u.replace(/^git\+(.*:[^:]+):(.*)/, '$1/$2')
} else {
returnedUrl = u.replace(/^(?:git\+)?ssh:\/\//, '')
}
returnedUrl = returnedUrl.replace(/#[^#]*$/, '')
} else {
returnedUrl = url.format(parsed)
}
return {
url: returnedUrl,
branch: checkout
}
}