"os/exec"
"strings"
- "github.com/blang/semver"
+ "./semver"
)
func getTag(match ...string) (string, *semver.PRVersion) {
--- /dev/null
+package semver
+
+import (
+ "encoding/json"
+)
+
+// MarshalJSON implements the encoding/json.Marshaler interface.
+func (v Version) MarshalJSON() ([]byte, error) {
+ return json.Marshal(v.String())
+}
+
+// UnmarshalJSON implements the encoding/json.Unmarshaler interface.
+func (v *Version) UnmarshalJSON(data []byte) (err error) {
+ var versionString string
+
+ if err = json.Unmarshal(data, &versionString); err != nil {
+ return
+ }
+
+ *v, err = Parse(versionString)
+
+ return
+}
--- /dev/null
+package semver
+
+import (
+ "fmt"
+ "strconv"
+ "strings"
+ "unicode"
+)
+
+type wildcardType int
+
+const (
+ noneWildcard wildcardType = iota
+ majorWildcard wildcardType = 1
+ minorWildcard wildcardType = 2
+ patchWildcard wildcardType = 3
+)
+
+func wildcardTypefromInt(i int) wildcardType {
+ switch i {
+ case 1:
+ return majorWildcard
+ case 2:
+ return minorWildcard
+ case 3:
+ return patchWildcard
+ default:
+ return noneWildcard
+ }
+}
+
+type comparator func(Version, Version) bool
+
+var (
+ compEQ comparator = func(v1 Version, v2 Version) bool {
+ return v1.Compare(v2) == 0
+ }
+ compNE = func(v1 Version, v2 Version) bool {
+ return v1.Compare(v2) != 0
+ }
+ compGT = func(v1 Version, v2 Version) bool {
+ return v1.Compare(v2) == 1
+ }
+ compGE = func(v1 Version, v2 Version) bool {
+ return v1.Compare(v2) >= 0
+ }
+ compLT = func(v1 Version, v2 Version) bool {
+ return v1.Compare(v2) == -1
+ }
+ compLE = func(v1 Version, v2 Version) bool {
+ return v1.Compare(v2) <= 0
+ }
+)
+
+type versionRange struct {
+ v Version
+ c comparator
+}
+
+// rangeFunc creates a Range from the given versionRange.
+func (vr *versionRange) rangeFunc() Range {
+ return Range(func(v Version) bool {
+ return vr.c(v, vr.v)
+ })
+}
+
+// Range represents a range of versions.
+// A Range can be used to check if a Version satisfies it:
+//
+// range, err := semver.ParseRange(">1.0.0 <2.0.0")
+// range(semver.MustParse("1.1.1") // returns true
+type Range func(Version) bool
+
+// OR combines the existing Range with another Range using logical OR.
+func (rf Range) OR(f Range) Range {
+ return Range(func(v Version) bool {
+ return rf(v) || f(v)
+ })
+}
+
+// AND combines the existing Range with another Range using logical AND.
+func (rf Range) AND(f Range) Range {
+ return Range(func(v Version) bool {
+ return rf(v) && f(v)
+ })
+}
+
+// ParseRange parses a range and returns a Range.
+// If the range could not be parsed an error is returned.
+//
+// Valid ranges are:
+// - "<1.0.0"
+// - "<=1.0.0"
+// - ">1.0.0"
+// - ">=1.0.0"
+// - "1.0.0", "=1.0.0", "==1.0.0"
+// - "!1.0.0", "!=1.0.0"
+//
+// A Range can consist of multiple ranges separated by space:
+// Ranges can be linked by logical AND:
+// - ">1.0.0 <2.0.0" would match between both ranges, so "1.1.1" and "1.8.7" but not "1.0.0" or "2.0.0"
+// - ">1.0.0 <3.0.0 !2.0.3-beta.2" would match every version between 1.0.0 and 3.0.0 except 2.0.3-beta.2
+//
+// Ranges can also be linked by logical OR:
+// - "<2.0.0 || >=3.0.0" would match "1.x.x" and "3.x.x" but not "2.x.x"
+//
+// AND has a higher precedence than OR. It's not possible to use brackets.
+//
+// Ranges can be combined by both AND and OR
+//
+// - `>1.0.0 <2.0.0 || >3.0.0 !4.2.1` would match `1.2.3`, `1.9.9`, `3.1.1`, but not `4.2.1`, `2.1.1`
+func ParseRange(s string) (Range, error) {
+ parts := splitAndTrim(s)
+ orParts, err := splitORParts(parts)
+ if err != nil {
+ return nil, err
+ }
+ expandedParts, err := expandWildcardVersion(orParts)
+ if err != nil {
+ return nil, err
+ }
+ var orFn Range
+ for _, p := range expandedParts {
+ var andFn Range
+ for _, ap := range p {
+ opStr, vStr, err := splitComparatorVersion(ap)
+ if err != nil {
+ return nil, err
+ }
+ vr, err := buildVersionRange(opStr, vStr)
+ if err != nil {
+ return nil, fmt.Errorf("Could not parse Range %q: %s", ap, err)
+ }
+ rf := vr.rangeFunc()
+
+ // Set function
+ if andFn == nil {
+ andFn = rf
+ } else { // Combine with existing function
+ andFn = andFn.AND(rf)
+ }
+ }
+ if orFn == nil {
+ orFn = andFn
+ } else {
+ orFn = orFn.OR(andFn)
+ }
+
+ }
+ return orFn, nil
+}
+
+// splitORParts splits the already cleaned parts by '||'.
+// Checks for invalid positions of the operator and returns an
+// error if found.
+func splitORParts(parts []string) ([][]string, error) {
+ var ORparts [][]string
+ last := 0
+ for i, p := range parts {
+ if p == "||" {
+ if i == 0 {
+ return nil, fmt.Errorf("First element in range is '||'")
+ }
+ ORparts = append(ORparts, parts[last:i])
+ last = i + 1
+ }
+ }
+ if last == len(parts) {
+ return nil, fmt.Errorf("Last element in range is '||'")
+ }
+ ORparts = append(ORparts, parts[last:])
+ return ORparts, nil
+}
+
+// buildVersionRange takes a slice of 2: operator and version
+// and builds a versionRange, otherwise an error.
+func buildVersionRange(opStr, vStr string) (*versionRange, error) {
+ c := parseComparator(opStr)
+ if c == nil {
+ return nil, fmt.Errorf("Could not parse comparator %q in %q", opStr, strings.Join([]string{opStr, vStr}, ""))
+ }
+ v, err := Parse(vStr)
+ if err != nil {
+ return nil, fmt.Errorf("Could not parse version %q in %q: %s", vStr, strings.Join([]string{opStr, vStr}, ""), err)
+ }
+
+ return &versionRange{
+ v: v,
+ c: c,
+ }, nil
+
+}
+
+// inArray checks if a byte is contained in an array of bytes
+func inArray(s byte, list []byte) bool {
+ for _, el := range list {
+ if el == s {
+ return true
+ }
+ }
+ return false
+}
+
+// splitAndTrim splits a range string by spaces and cleans whitespaces
+func splitAndTrim(s string) (result []string) {
+ last := 0
+ var lastChar byte
+ excludeFromSplit := []byte{'>', '<', '='}
+ for i := 0; i < len(s); i++ {
+ if s[i] == ' ' && !inArray(lastChar, excludeFromSplit) {
+ if last < i-1 {
+ result = append(result, s[last:i])
+ }
+ last = i + 1
+ } else if s[i] != ' ' {
+ lastChar = s[i]
+ }
+ }
+ if last < len(s)-1 {
+ result = append(result, s[last:])
+ }
+
+ for i, v := range result {
+ result[i] = strings.Replace(v, " ", "", -1)
+ }
+
+ // parts := strings.Split(s, " ")
+ // for _, x := range parts {
+ // if s := strings.TrimSpace(x); len(s) != 0 {
+ // result = append(result, s)
+ // }
+ // }
+ return
+}
+
+// splitComparatorVersion splits the comparator from the version.
+// Input must be free of leading or trailing spaces.
+func splitComparatorVersion(s string) (string, string, error) {
+ i := strings.IndexFunc(s, unicode.IsDigit)
+ if i == -1 {
+ return "", "", fmt.Errorf("Could not get version from string: %q", s)
+ }
+ return strings.TrimSpace(s[0:i]), s[i:], nil
+}
+
+// getWildcardType will return the type of wildcard that the
+// passed version contains
+func getWildcardType(vStr string) wildcardType {
+ parts := strings.Split(vStr, ".")
+ nparts := len(parts)
+ wildcard := parts[nparts-1]
+
+ possibleWildcardType := wildcardTypefromInt(nparts)
+ if wildcard == "x" {
+ return possibleWildcardType
+ }
+
+ return noneWildcard
+}
+
+// createVersionFromWildcard will convert a wildcard version
+// into a regular version, replacing 'x's with '0's, handling
+// special cases like '1.x.x' and '1.x'
+func createVersionFromWildcard(vStr string) string {
+ // handle 1.x.x
+ vStr2 := strings.Replace(vStr, ".x.x", ".x", 1)
+ vStr2 = strings.Replace(vStr2, ".x", ".0", 1)
+ parts := strings.Split(vStr2, ".")
+
+ // handle 1.x
+ if len(parts) == 2 {
+ return vStr2 + ".0"
+ }
+
+ return vStr2
+}
+
+// incrementMajorVersion will increment the major version
+// of the passed version
+func incrementMajorVersion(vStr string) (string, error) {
+ parts := strings.Split(vStr, ".")
+ i, err := strconv.Atoi(parts[0])
+ if err != nil {
+ return "", err
+ }
+ parts[0] = strconv.Itoa(i + 1)
+
+ return strings.Join(parts, "."), nil
+}
+
+// incrementMajorVersion will increment the minor version
+// of the passed version
+func incrementMinorVersion(vStr string) (string, error) {
+ parts := strings.Split(vStr, ".")
+ i, err := strconv.Atoi(parts[1])
+ if err != nil {
+ return "", err
+ }
+ parts[1] = strconv.Itoa(i + 1)
+
+ return strings.Join(parts, "."), nil
+}
+
+// expandWildcardVersion will expand wildcards inside versions
+// following these rules:
+//
+// * when dealing with patch wildcards:
+// >= 1.2.x will become >= 1.2.0
+// <= 1.2.x will become < 1.3.0
+// > 1.2.x will become >= 1.3.0
+// < 1.2.x will become < 1.2.0
+// != 1.2.x will become < 1.2.0 >= 1.3.0
+//
+// * when dealing with minor wildcards:
+// >= 1.x will become >= 1.0.0
+// <= 1.x will become < 2.0.0
+// > 1.x will become >= 2.0.0
+// < 1.0 will become < 1.0.0
+// != 1.x will become < 1.0.0 >= 2.0.0
+//
+// * when dealing with wildcards without
+// version operator:
+// 1.2.x will become >= 1.2.0 < 1.3.0
+// 1.x will become >= 1.0.0 < 2.0.0
+func expandWildcardVersion(parts [][]string) ([][]string, error) {
+ var expandedParts [][]string
+ for _, p := range parts {
+ var newParts []string
+ for _, ap := range p {
+ if strings.Index(ap, "x") != -1 {
+ opStr, vStr, err := splitComparatorVersion(ap)
+ if err != nil {
+ return nil, err
+ }
+
+ versionWildcardType := getWildcardType(vStr)
+ flatVersion := createVersionFromWildcard(vStr)
+
+ var resultOperator string
+ var shouldIncrementVersion bool
+ switch opStr {
+ case ">":
+ resultOperator = ">="
+ shouldIncrementVersion = true
+ case ">=":
+ resultOperator = ">="
+ case "<":
+ resultOperator = "<"
+ case "<=":
+ resultOperator = "<"
+ shouldIncrementVersion = true
+ case "", "=", "==":
+ newParts = append(newParts, ">="+flatVersion)
+ resultOperator = "<"
+ shouldIncrementVersion = true
+ case "!=", "!":
+ newParts = append(newParts, "<"+flatVersion)
+ resultOperator = ">="
+ shouldIncrementVersion = true
+ }
+
+ var resultVersion string
+ if shouldIncrementVersion {
+ switch versionWildcardType {
+ case patchWildcard:
+ resultVersion, _ = incrementMinorVersion(flatVersion)
+ case minorWildcard:
+ resultVersion, _ = incrementMajorVersion(flatVersion)
+ }
+ } else {
+ resultVersion = flatVersion
+ }
+
+ ap = resultOperator + resultVersion
+ }
+ newParts = append(newParts, ap)
+ }
+ expandedParts = append(expandedParts, newParts)
+ }
+
+ return expandedParts, nil
+}
+
+func parseComparator(s string) comparator {
+ switch s {
+ case "==":
+ fallthrough
+ case "":
+ fallthrough
+ case "=":
+ return compEQ
+ case ">":
+ return compGT
+ case ">=":
+ return compGE
+ case "<":
+ return compLT
+ case "<=":
+ return compLE
+ case "!":
+ fallthrough
+ case "!=":
+ return compNE
+ }
+
+ return nil
+}
+
+// MustParseRange is like ParseRange but panics if the range cannot be parsed.
+func MustParseRange(s string) Range {
+ r, err := ParseRange(s)
+ if err != nil {
+ panic(`semver: ParseRange(` + s + `): ` + err.Error())
+ }
+ return r
+}
--- /dev/null
+package semver
+
+import (
+ "errors"
+ "fmt"
+ "strconv"
+ "strings"
+)
+
+const (
+ numbers string = "0123456789"
+ alphas = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-"
+ alphanum = alphas + numbers
+)
+
+// SpecVersion is the latest fully supported spec version of semver
+var SpecVersion = Version{
+ Major: 2,
+ Minor: 0,
+ Patch: 0,
+}
+
+// Version represents a semver compatible version
+type Version struct {
+ Major uint64
+ Minor uint64
+ Patch uint64
+ Pre []PRVersion
+ Build []string //No Precendence
+}
+
+// Version to string
+func (v Version) String() string {
+ b := make([]byte, 0, 5)
+ b = strconv.AppendUint(b, v.Major, 10)
+ b = append(b, '.')
+ b = strconv.AppendUint(b, v.Minor, 10)
+ b = append(b, '.')
+ b = strconv.AppendUint(b, v.Patch, 10)
+
+ if len(v.Pre) > 0 {
+ b = append(b, '-')
+ b = append(b, v.Pre[0].String()...)
+
+ for _, pre := range v.Pre[1:] {
+ b = append(b, '.')
+ b = append(b, pre.String()...)
+ }
+ }
+
+ if len(v.Build) > 0 {
+ b = append(b, '+')
+ b = append(b, v.Build[0]...)
+
+ for _, build := range v.Build[1:] {
+ b = append(b, '.')
+ b = append(b, build...)
+ }
+ }
+
+ return string(b)
+}
+
+// Equals checks if v is equal to o.
+func (v Version) Equals(o Version) bool {
+ return (v.Compare(o) == 0)
+}
+
+// EQ checks if v is equal to o.
+func (v Version) EQ(o Version) bool {
+ return (v.Compare(o) == 0)
+}
+
+// NE checks if v is not equal to o.
+func (v Version) NE(o Version) bool {
+ return (v.Compare(o) != 0)
+}
+
+// GT checks if v is greater than o.
+func (v Version) GT(o Version) bool {
+ return (v.Compare(o) == 1)
+}
+
+// GTE checks if v is greater than or equal to o.
+func (v Version) GTE(o Version) bool {
+ return (v.Compare(o) >= 0)
+}
+
+// GE checks if v is greater than or equal to o.
+func (v Version) GE(o Version) bool {
+ return (v.Compare(o) >= 0)
+}
+
+// LT checks if v is less than o.
+func (v Version) LT(o Version) bool {
+ return (v.Compare(o) == -1)
+}
+
+// LTE checks if v is less than or equal to o.
+func (v Version) LTE(o Version) bool {
+ return (v.Compare(o) <= 0)
+}
+
+// LE checks if v is less than or equal to o.
+func (v Version) LE(o Version) bool {
+ return (v.Compare(o) <= 0)
+}
+
+// Compare compares Versions v to o:
+// -1 == v is less than o
+// 0 == v is equal to o
+// 1 == v is greater than o
+func (v Version) Compare(o Version) int {
+ if v.Major != o.Major {
+ if v.Major > o.Major {
+ return 1
+ }
+ return -1
+ }
+ if v.Minor != o.Minor {
+ if v.Minor > o.Minor {
+ return 1
+ }
+ return -1
+ }
+ if v.Patch != o.Patch {
+ if v.Patch > o.Patch {
+ return 1
+ }
+ return -1
+ }
+
+ // Quick comparison if a version has no prerelease versions
+ if len(v.Pre) == 0 && len(o.Pre) == 0 {
+ return 0
+ } else if len(v.Pre) == 0 && len(o.Pre) > 0 {
+ return 1
+ } else if len(v.Pre) > 0 && len(o.Pre) == 0 {
+ return -1
+ }
+
+ i := 0
+ for ; i < len(v.Pre) && i < len(o.Pre); i++ {
+ if comp := v.Pre[i].Compare(o.Pre[i]); comp == 0 {
+ continue
+ } else if comp == 1 {
+ return 1
+ } else {
+ return -1
+ }
+ }
+
+ // If all pr versions are the equal but one has further prversion, this one greater
+ if i == len(v.Pre) && i == len(o.Pre) {
+ return 0
+ } else if i == len(v.Pre) && i < len(o.Pre) {
+ return -1
+ } else {
+ return 1
+ }
+
+}
+
+// Validate validates v and returns error in case
+func (v Version) Validate() error {
+ // Major, Minor, Patch already validated using uint64
+
+ for _, pre := range v.Pre {
+ if !pre.IsNum { //Numeric prerelease versions already uint64
+ if len(pre.VersionStr) == 0 {
+ return fmt.Errorf("Prerelease can not be empty %q", pre.VersionStr)
+ }
+ if !containsOnly(pre.VersionStr, alphanum) {
+ return fmt.Errorf("Invalid character(s) found in prerelease %q", pre.VersionStr)
+ }
+ }
+ }
+
+ for _, build := range v.Build {
+ if len(build) == 0 {
+ return fmt.Errorf("Build meta data can not be empty %q", build)
+ }
+ if !containsOnly(build, alphanum) {
+ return fmt.Errorf("Invalid character(s) found in build meta data %q", build)
+ }
+ }
+
+ return nil
+}
+
+// New is an alias for Parse and returns a pointer, parses version string and returns a validated Version or error
+func New(s string) (vp *Version, err error) {
+ v, err := Parse(s)
+ vp = &v
+ return
+}
+
+// Make is an alias for Parse, parses version string and returns a validated Version or error
+func Make(s string) (Version, error) {
+ return Parse(s)
+}
+
+// ParseTolerant allows for certain version specifications that do not strictly adhere to semver
+// specs to be parsed by this library. It does so by normalizing versions before passing them to
+// Parse(). It currently trims spaces, removes a "v" prefix, and adds a 0 patch number to versions
+// with only major and minor components specified
+func ParseTolerant(s string) (Version, error) {
+ s = strings.TrimSpace(s)
+ s = strings.TrimPrefix(s, "v")
+
+ // Split into major.minor.(patch+pr+meta)
+ parts := strings.SplitN(s, ".", 3)
+ if len(parts) < 3 {
+ if strings.ContainsAny(parts[len(parts)-1], "+-") {
+ return Version{}, errors.New("Short version cannot contain PreRelease/Build meta data")
+ }
+ for len(parts) < 3 {
+ parts = append(parts, "0")
+ }
+ s = strings.Join(parts, ".")
+ }
+
+ return Parse(s)
+}
+
+// Parse parses version string and returns a validated Version or error
+func Parse(s string) (Version, error) {
+ if len(s) == 0 {
+ return Version{}, errors.New("Version string empty")
+ }
+
+ // Split into major.minor.(patch+pr+meta)
+ parts := strings.SplitN(s, ".", 3)
+ if len(parts) != 3 {
+ return Version{}, errors.New("No Major.Minor.Patch elements found")
+ }
+
+ // Major
+ if !containsOnly(parts[0], numbers) {
+ return Version{}, fmt.Errorf("Invalid character(s) found in major number %q", parts[0])
+ }
+ if hasLeadingZeroes(parts[0]) {
+ return Version{}, fmt.Errorf("Major number must not contain leading zeroes %q", parts[0])
+ }
+ major, err := strconv.ParseUint(parts[0], 10, 64)
+ if err != nil {
+ return Version{}, err
+ }
+
+ // Minor
+ if !containsOnly(parts[1], numbers) {
+ return Version{}, fmt.Errorf("Invalid character(s) found in minor number %q", parts[1])
+ }
+ if hasLeadingZeroes(parts[1]) {
+ return Version{}, fmt.Errorf("Minor number must not contain leading zeroes %q", parts[1])
+ }
+ minor, err := strconv.ParseUint(parts[1], 10, 64)
+ if err != nil {
+ return Version{}, err
+ }
+
+ v := Version{}
+ v.Major = major
+ v.Minor = minor
+
+ var build, prerelease []string
+ patchStr := parts[2]
+
+ if buildIndex := strings.IndexRune(patchStr, '+'); buildIndex != -1 {
+ build = strings.Split(patchStr[buildIndex+1:], ".")
+ patchStr = patchStr[:buildIndex]
+ }
+
+ if preIndex := strings.IndexRune(patchStr, '-'); preIndex != -1 {
+ prerelease = strings.Split(patchStr[preIndex+1:], ".")
+ patchStr = patchStr[:preIndex]
+ }
+
+ if !containsOnly(patchStr, numbers) {
+ return Version{}, fmt.Errorf("Invalid character(s) found in patch number %q", patchStr)
+ }
+ if hasLeadingZeroes(patchStr) {
+ return Version{}, fmt.Errorf("Patch number must not contain leading zeroes %q", patchStr)
+ }
+ patch, err := strconv.ParseUint(patchStr, 10, 64)
+ if err != nil {
+ return Version{}, err
+ }
+
+ v.Patch = patch
+
+ // Prerelease
+ for _, prstr := range prerelease {
+ parsedPR, err := NewPRVersion(prstr)
+ if err != nil {
+ return Version{}, err
+ }
+ v.Pre = append(v.Pre, parsedPR)
+ }
+
+ // Build meta data
+ for _, str := range build {
+ if len(str) == 0 {
+ return Version{}, errors.New("Build meta data is empty")
+ }
+ if !containsOnly(str, alphanum) {
+ return Version{}, fmt.Errorf("Invalid character(s) found in build meta data %q", str)
+ }
+ v.Build = append(v.Build, str)
+ }
+
+ return v, nil
+}
+
+// MustParse is like Parse but panics if the version cannot be parsed.
+func MustParse(s string) Version {
+ v, err := Parse(s)
+ if err != nil {
+ panic(`semver: Parse(` + s + `): ` + err.Error())
+ }
+ return v
+}
+
+// PRVersion represents a PreRelease Version
+type PRVersion struct {
+ VersionStr string
+ VersionNum uint64
+ IsNum bool
+}
+
+// NewPRVersion creates a new valid prerelease version
+func NewPRVersion(s string) (PRVersion, error) {
+ if len(s) == 0 {
+ return PRVersion{}, errors.New("Prerelease is empty")
+ }
+ v := PRVersion{}
+ if containsOnly(s, numbers) {
+ if hasLeadingZeroes(s) {
+ return PRVersion{}, fmt.Errorf("Numeric PreRelease version must not contain leading zeroes %q", s)
+ }
+ num, err := strconv.ParseUint(s, 10, 64)
+
+ // Might never be hit, but just in case
+ if err != nil {
+ return PRVersion{}, err
+ }
+ v.VersionNum = num
+ v.IsNum = true
+ } else if containsOnly(s, alphanum) {
+ v.VersionStr = s
+ v.IsNum = false
+ } else {
+ return PRVersion{}, fmt.Errorf("Invalid character(s) found in prerelease %q", s)
+ }
+ return v, nil
+}
+
+// IsNumeric checks if prerelease-version is numeric
+func (v PRVersion) IsNumeric() bool {
+ return v.IsNum
+}
+
+// Compare compares two PreRelease Versions v and o:
+// -1 == v is less than o
+// 0 == v is equal to o
+// 1 == v is greater than o
+func (v PRVersion) Compare(o PRVersion) int {
+ if v.IsNum && !o.IsNum {
+ return -1
+ } else if !v.IsNum && o.IsNum {
+ return 1
+ } else if v.IsNum && o.IsNum {
+ if v.VersionNum == o.VersionNum {
+ return 0
+ } else if v.VersionNum > o.VersionNum {
+ return 1
+ } else {
+ return -1
+ }
+ } else { // both are Alphas
+ if v.VersionStr == o.VersionStr {
+ return 0
+ } else if v.VersionStr > o.VersionStr {
+ return 1
+ } else {
+ return -1
+ }
+ }
+}
+
+// PreRelease version to string
+func (v PRVersion) String() string {
+ if v.IsNum {
+ return strconv.FormatUint(v.VersionNum, 10)
+ }
+ return v.VersionStr
+}
+
+func containsOnly(s string, set string) bool {
+ return strings.IndexFunc(s, func(r rune) bool {
+ return !strings.ContainsRune(set, r)
+ }) == -1
+}
+
+func hasLeadingZeroes(s string) bool {
+ return len(s) > 1 && s[0] == '0'
+}
+
+// NewBuildVersion creates a new valid build version
+func NewBuildVersion(s string) (string, error) {
+ if len(s) == 0 {
+ return "", errors.New("Buildversion is empty")
+ }
+ if !containsOnly(s, alphanum) {
+ return "", fmt.Errorf("Invalid character(s) found in build meta data %q", s)
+ }
+ return s, nil
+}
--- /dev/null
+package semver
+
+import (
+ "sort"
+)
+
+// Versions represents multiple versions.
+type Versions []Version
+
+// Len returns length of version collection
+func (s Versions) Len() int {
+ return len(s)
+}
+
+// Swap swaps two versions inside the collection by its indices
+func (s Versions) Swap(i, j int) {
+ s[i], s[j] = s[j], s[i]
+}
+
+// Less checks if version at index i is less than version at index j
+func (s Versions) Less(i, j int) bool {
+ return s[i].LT(s[j])
+}
+
+// Sort sorts a slice of versions
+func Sort(versions []Version) {
+ sort.Sort(Versions(versions))
+}
--- /dev/null
+package semver
+
+import (
+ "database/sql/driver"
+ "fmt"
+)
+
+// Scan implements the database/sql.Scanner interface.
+func (v *Version) Scan(src interface{}) (err error) {
+ var str string
+ switch src := src.(type) {
+ case string:
+ str = src
+ case []byte:
+ str = string(src)
+ default:
+ return fmt.Errorf("Version.Scan: cannot convert %T to string.", src)
+ }
+
+ if t, err := Parse(str); err == nil {
+ *v = t
+ }
+
+ return
+}
+
+// Value implements the database/sql/driver.Valuer interface.
+func (v Version) Value() (driver.Value, error) {
+ return v.String(), nil
+}
projects / micro.git / commitdiff