use plain pkg module

Signed-off-by: Jörn Friedrich Dreyer <jfd@butonic.de>

pkg/version/version.go

@@ -0,0 +1,78 @@
+package version
+
+import (
+	"time"
+
+	"github.com/Masterminds/semver"
+)
+
+var (
+	// String gets defined by the build system
+	String string
+
+	// Tag gets defined by the build system
+	Tag string
+
+	// LatestTag is the latest released version plus the dev meta version.
+	// Will be overwritten by the release pipeline
+	// Needs a manual change for every tagged release
+	LatestTag = "7.0.0+dev"
+
+	// Date indicates the build date.
+	// This has been removed, it looks like you can only replace static strings with recent go versions
+	//Date = time.Now().Format("20060102")
+	Date = "dev"
+
+	// Legacy defines the old long 4 number ownCloud version needed for some clients
+	Legacy = "10.11.0.0"
+
+	// LegacyString defines the old ownCloud version needed for some clients
+	LegacyString = "10.11.0"
+)
+
+// Compiled returns the compile time of this service.
+func Compiled() time.Time {
+	if Date == "dev" {
+		return time.Now()
+	}
+	t, _ := time.Parse("20060102", Date)
+	return t
+}
+
+// GetString returns a version string with pre-releases and metadata
+func GetString() string {
+	return Parsed().String()
+}
+
+// Parsed returns a semver Version
+func Parsed() (version *semver.Version) {
+	versionToParse := LatestTag
+	if Tag != "" {
+		versionToParse = Tag
+	}
+	version, err := semver.NewVersion(versionToParse)
+	// We have no semver version but a commitid
+	if err != nil {
+		// this should never happen
+		if err != nil {
+			return &semver.Version{}
+		}
+	}
+	if String != "" {
+		nVersion, err := version.SetMetadata(String)
+		if err != nil {
+			return &semver.Version{}
+		}
+		version = &nVersion
+	}
+	return version
+}
+
+// ParsedLegacy returns the legacy version
+func ParsedLegacy() *semver.Version {
+	parsedVersion, err := semver.NewVersion(LegacyString)
+	if err != nil {
+		return &semver.Version{}
+	}
+	return parsedVersion
+}