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