+class ElKVersion implements Comparable<ElKVersion> {
+ Integer major = 0
+ Integer minor = 0
+ Integer patch = 0
+ Integer elmajor = 0
+ Integer elminor = 0
+ Integer elpatch = 0
+ Integer el_release_major = 0
+ Integer el_release_minor = 0
+ Boolean append_zero_el_release_minor = false
+ String version_prefix = ""
+
+ ElKVersion() {}
+
+ ElKVersion(version) {
+ this.parse(version)
+ }
+
+ static ElKVersion minKVersion() {
+ return new ElKVersion("kernel-0.0.0-0.0.0.el0_0")
+ }
+
+ static ElKVersion maxKVersion() {
+ return new ElKVersion("kernel-" + Integer.MAX_VALUE + ".0.0-0.0.0.el0_0")
+ }
+
+ static ElKVersion factory(version) {
+ return new ElKVersion(version)
+ }
+
+ def parse(version) {
+ this.major = 0
+ this.minor = 0
+ this.patch = 0
+ this.elmajor = 0
+ this.elminor = 0
+ this.elpatch = 0
+ this.el_release_major = 0
+ this.el_release_minor = 0
+ this.append_zero_el_release_minor = false
+ this.version_prefix = ""
+
+ if (!version) {
+ throw new EmptyKVersionException("Empty kernel version")
+ }
+
+ // Eg. imports/r8/kernel-4.18.0-513.18.1.el8_9
+ // Eg. imports/r9/kernel-5.14.0-362.13.1.el9_3
+ // Eg. imports/r8s/kernel-4.18.0-528.el8
+ // Eg. imports/r8/kernel-4.18.0-80.1.2.el8_0
+ // Eg. imports/r8/kernel-4.18.0-348.el8
+ def match = version =~ /^([\w\d\/]*kernel-)??(\d+)\.(\d+)\.(\d+)-(\d+)(\.(\d+))??(\.(\d+))??\.el(\d+)(_(\d+))??$/
+ if (!match) {
+ throw new InvalidKVersionException("Invalid kernel version: ${version}")
+ }
+
+ if (match.group(1)) {
+ this.version_prefix = match.group(1)
+ }
+ this.major = Integer.parseInt(match.group(2))
+ this.minor = Integer.parseInt(match.group(3))
+ this.patch = Integer.parseInt(match.group(4))
+ this.elmajor = Integer.parseInt(match.group(5))
+ if (match.group(7)) {
+ this.elminor = Integer.parseInt(match.group(7))
+ }
+ if (match.group(9)) {
+ this.elpatch = Integer.parseInt(match.group(9))
+ }
+ if (match.group(10)) {
+ this.el_release_major = Integer.parseInt(match.group(10))
+ }
+ if (match.group(12)) {
+ this.el_release_minor = Integer.parseInt(match.group(12))
+ this.append_zero_el_release_minor = true
+ }
+ }
+
+ Boolean isRC() {
+ return false
+ }
+
+ Boolean isSameStable(ElKVersion o) {
+ def properties = ['major', 'minor', 'patch', 'elmajor', 'elminor', 'elpatch', 'el_release_major', 'el_release_minor']
+ for (property in properties) {
+ if (this."$property" != o."$property") {
+ return false
+ }
+ }
+ return true
+ }
+
+ @Override int compareTo(ElKVersion o) {
+ def properties = ['major', 'minor', 'patch', 'elmajor', 'elminor', 'elpatch', 'el_release_major', 'el_release_minor']
+ for (property in properties) {
+ if (this."$property" != o."$property") {
+ return Integer.compare(this."$property", o."$property")
+ }
+ }
+ return 0
+ }
+
+ String toString() {
+ String vString = "${this.version_prefix}${this.major}.${this.minor}.${this.patch}-${this.elmajor}"
+ // Sometimes a tag can have no elminor, eg. imports/r8/kernel-4.18.0-80.el8
+ if (this.elminor != 0) {
+ vString = vString.concat(".${this.elminor}")
+ }
+ if (this.elpatch != 0) {
+ vString = vString.concat(".${this.elpatch}")
+ }
+ vString = vString.concat(".el${this.el_release_major}")
+ // Some tags have a trailing el_release_minor that is 0, eg.
+ // imports/r8/kernel-4.18.0-80.1.2.el8
+ if (this.el_release_minor != 0 || (this.el_release_minor == 0 && this.append_zero_el_release_minor)) {
+ vString = vString.concat("_${this.el_release_minor}")
+ }
+ return vString
+ }
+}
+