Create url.go

git/url.go

@@ -0,0 +1,65 @@
+package git
+
+import (
+	"net/url"
+	"strings"
+)
+
+func IsURL(u string) bool {
+	return strings.HasPrefix(u, "git@") || isSupportedProtocol(u)
+}
+
+func isSupportedProtocol(u string) bool {
+	return strings.HasPrefix(u, "ssh:") ||
+		strings.HasPrefix(u, "git+ssh:") ||
+		strings.HasPrefix(u, "git:") ||
+		strings.HasPrefix(u, "http:") ||
+		strings.HasPrefix(u, "git+https:") ||
+		strings.HasPrefix(u, "https:")
+}
+
+func isPossibleProtocol(u string) bool {
+	return isSupportedProtocol(u) ||
+		strings.HasPrefix(u, "ftp:") ||
+		strings.HasPrefix(u, "ftps:") ||
+		strings.HasPrefix(u, "file:")
+}
+
+// ParseURL normalizes git remote urls
+func ParseURL(rawURL string) (u *url.URL, err error) {
+	if !isPossibleProtocol(rawURL) &&
+		strings.ContainsRune(rawURL, ':') &&
+		// not a Windows path
+		!strings.ContainsRune(rawURL, '\\') {
+		// support scp-like syntax for ssh protocol
+		rawURL = "ssh://" + strings.Replace(rawURL, ":", "/", 1)
+	}
+
+	u, err = url.Parse(rawURL)
+	if err != nil {
+		return
+	}
+
+	if u.Scheme == "git+ssh" {
+		u.Scheme = "ssh"
+	}
+
+	if u.Scheme == "git+https" {
+		u.Scheme = "https"
+	}
+
+	if u.Scheme != "ssh" {
+		return
+	}
+
+	if strings.HasPrefix(u.Path, "//") {
+		u.Path = strings.TrimPrefix(u.Path, "/")
+	}
+
+	if idx := strings.Index(u.Host, ":"); idx >= 0 {
+		u.Host = u.Host[0:idx]
+	}
+
+	return
+}
+