Added all required dependencies

vendor/github.com/mcuadros/go-version/normalize.go

@@ -0,0 +1,116 @@
+package version
+
+import (
+	"regexp"
+	"strings"
+)
+
+var modifierRegex = `[._-]?(?:(stable|beta|b|RC|alpha|a|patch|pl|p)(?:[.-]?(\d+))?)?([.-]?dev)?`
+
+var regexpMasterLikeBranches = regexp.MustCompile(`^(?:dev-)?(?:master|trunk|default)$`)
+var regexpBranchNormalize = regexp.MustCompile(`(?i)^v?(\d+)(\.(?:\d+|[x*]))?(\.(?:\d+|[x*]))?(\.(?:\d+|[x*]))?$`)
+
+// Normalizes a version string to be able to perform comparisons on it
+//
+// Example:
+//     version.Normalize("10.4.13-b")
+//     Returns: 10.4.13.0-beta
+//
+func Normalize(version string) string {
+
+	// ignore aliases and just assume the alias is required instead of the source
+	result := RegFind(`^([^,\s]+) +as +([^,\s]+)$`, version)
+	if result != nil {
+		version = result[1]
+	}
+
+	// match master-like branches
+	if regexpMasterLikeBranches.MatchString(strings.ToLower(version)) {
+		return "9999999-dev"
+	}
+
+	if strings.HasPrefix(strings.ToLower(version), "dev-") {
+		return "dev-" + version[4:len(version)]
+	}
+
+	index := 0
+
+	// match classical versioning
+	result = RegFind(`(?i)^v?(\d{1,3})(\.\d+)?(\.\d+)?(\.\d+)?`+modifierRegex+`$`, version)
+	if result != nil {
+		version = ""
+		for _, val := range result[1:5] {
+			if val != "" {
+				version = version + val
+			} else {
+				version = version + ".0"
+			}
+		}
+
+		index = 5
+	} else {
+		// match date-based versioning
+		result = RegFind(`(?i)^v?(\d{4}(?:[.:-]?\d{2}){1,6}(?:[.:-]?\d{1,3})?)`+modifierRegex+`$`, version)
+		if result != nil {
+			version = regexp.MustCompile(`\D`).ReplaceAllString(result[1], "-")
+			index = 2
+		}
+	}
+
+	if index != 0 {
+		if result[index] != "" {
+			if result[index] == "stable" {
+				return version
+			}
+
+			version = version + "-" + expandStability(result[index])
+			if result[index+1] != "" {
+				version = version + result[index+1]
+			}
+		}
+
+		if result[index+2] != "" {
+			version = version + "-dev"
+		}
+
+		return version
+	}
+
+	result = RegFind(`(?i)(.*?)[.-]?dev$`, version)
+	if result != nil {
+		return normalizeBranch(result[1])
+	}
+
+	return version
+}
+
+func normalizeBranch(name string) string {
+	name = strings.Trim(name, " ")
+
+	if name == "master" || name == "trunk" || name == "default" {
+		return Normalize(name)
+	}
+
+	replace := strings.NewReplacer("*", "9999999", "x", "9999999")
+
+	matched := regexpBranchNormalize.FindAllStringSubmatch(name, -1)
+	if matched != nil {
+		name = ""
+		for _, val := range matched[0][1:5] {
+			if val != "" {
+				name = name + replace.Replace(val)
+			} else {
+				name = name + ".9999999"
+			}
+		}
+
+		return name + "-dev"
+
+	}
+
+	if strings.HasSuffix(strings.ToLower(name), "-dev") {
+		return name
+	}
+
+	return "dev-" + name
+}