mirror of
https://github.com/kevin-DL/revel-cmd.git
synced 2026-01-11 10:44:28 +00:00
127 lines
3.2 KiB
Go
127 lines
3.2 KiB
Go
package model
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import (
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"fmt"
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"regexp"
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"strconv"
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"github.com/pkg/errors"
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)
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type Version struct {
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Prefix string
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Major int
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Minor int
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Maintenance int
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Suffix string
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BuildDate string
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MinGoVersion string
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}
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// The compatibility list.
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var frameworkCompatibleRangeList = [][]string{
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{"0.0.0", "0.20.0"}, // minimum Revel version to use with this version of the tool
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{"0.19.99", "0.30.0"}, // Compatible with Framework V 0.19.99 - 0.30.0
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{"1.0.0", "1.9.0"}, // Compatible with Framework V 1.0 - 1.9
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}
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// Parses a version like v1.2.3a or 1.2.
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var versionRegExp = regexp.MustCompile(`([^\d]*)?([0-9]*)\.([0-9]*)(\.([0-9]*))?(.*)`)
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// Parse the version and return it as a Version object.
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func ParseVersion(version string) (v *Version, err error) {
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v = &Version{}
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return v, v.ParseVersion(version)
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}
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// Parse the version and return it as a Version object.
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func (v *Version) ParseVersion(version string) (err error) {
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parsedResult := versionRegExp.FindAllStringSubmatch(version, -1)
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if len(parsedResult) != 1 {
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err = errors.Errorf("Invalid version %s", version)
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return
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}
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if len(parsedResult[0]) != 7 {
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err = errors.Errorf("Invalid version %s", version)
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return
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}
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v.Prefix = parsedResult[0][1]
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v.Major = v.intOrZero(parsedResult[0][2])
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v.Minor = v.intOrZero(parsedResult[0][3])
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v.Maintenance = v.intOrZero(parsedResult[0][5])
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v.Suffix = parsedResult[0][6]
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return
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}
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// Returns 0 or an int value for the string, errors are returned as 0.
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func (v *Version) intOrZero(input string) (value int) {
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if input != "" {
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value, _ = strconv.Atoi(input)
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}
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return value
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}
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// Returns true if this major revision is compatible.
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func (v *Version) CompatibleFramework(c *CommandConfig) error {
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for i, rv := range frameworkCompatibleRangeList {
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start, _ := ParseVersion(rv[0])
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end, _ := ParseVersion(rv[1])
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if !v.Newer(start) || v.Newer(end) {
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continue
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}
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// Framework is older then 0.20, turn on historic mode
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if i == 0 {
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c.HistoricMode = true
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}
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return nil
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}
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return errors.New("Tool out of date - do a 'go get -u github.com/revel/cmd/revel'")
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}
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// Returns true if this major revision is newer then the passed in.
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func (v *Version) MajorNewer(o *Version) bool {
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if v.Major != o.Major {
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return v.Major > o.Major
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}
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return false
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}
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// Returns true if this major or major and minor revision is newer then the value passed in.
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func (v *Version) MinorNewer(o *Version) bool {
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if v.Major != o.Major {
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return v.Major > o.Major
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}
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if v.Minor != o.Minor {
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return v.Minor > o.Minor
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}
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return false
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}
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// Returns true if the version is newer then the current on.
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func (v *Version) Newer(o *Version) bool {
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if v.Major != o.Major {
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return v.Major > o.Major
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}
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if v.Minor != o.Minor {
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return v.Minor > o.Minor
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}
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if v.Maintenance != o.Maintenance {
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return v.Maintenance > o.Maintenance
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}
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return true
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}
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// Convert the version to a string.
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func (v *Version) VersionString() string {
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return fmt.Sprintf("%s%d.%d.%d%s", v.Prefix, v.Major, v.Minor, v.Maintenance, v.Suffix)
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}
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// Convert the version build date and go version to a string.
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func (v *Version) String() string {
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return fmt.Sprintf("Version: %s%d.%d.%d%s\nBuild Date: %s\n Minimum Go Version: %s",
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v.Prefix, v.Major, v.Minor, v.Maintenance, v.Suffix, v.BuildDate, v.MinGoVersion)
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}
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