mirror of
https://github.com/matrix-org/dendrite
synced 2024-12-14 15:22:50 +00:00
69 lines
1.4 KiB
Go
69 lines
1.4 KiB
Go
package internal
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import (
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"fmt"
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"runtime/debug"
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"strings"
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)
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// the final version string
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var version string
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// -ldflags "-X github.com/matrix-org/dendrite/internal.branch=master"
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var branch string
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// -ldflags "-X github.com/matrix-org/dendrite/internal.build=alpha"
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var build string
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const (
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VersionMajor = 0
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VersionMinor = 13
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VersionPatch = 2
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VersionTag = "" // example: "rc1"
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gitRevLen = 7 // 7 matches the displayed characters on github.com
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)
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func VersionString() string {
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return version
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}
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func init() {
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version = fmt.Sprintf("%d.%d.%d", VersionMajor, VersionMinor, VersionPatch)
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if VersionTag != "" {
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version += "-" + VersionTag
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}
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parts := []string{}
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if build != "" {
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parts = append(parts, build)
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}
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if branch != "" {
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parts = append(parts, branch)
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}
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defer func() {
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if len(parts) > 0 {
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version += "+" + strings.Join(parts, ".")
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}
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}()
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// Try to get the revision Dendrite was build from.
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// If we can't, e.g. Dendrite wasn't built (go run) or no VCS version is present,
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// we just use the provided version above.
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info, ok := debug.ReadBuildInfo()
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if !ok {
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return
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}
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for _, setting := range info.Settings {
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if setting.Key == "vcs.revision" {
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revLen := len(setting.Value)
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if revLen >= gitRevLen {
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parts = append(parts, setting.Value[:gitRevLen])
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} else {
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parts = append(parts, setting.Value[:revLen])
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}
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break
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}
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}
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}
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