fix(cpkg): reuse latest version number

vars/cpkg.groovy

@@ -1,8 +1,8 @@
+import java.util.regex.Matcher
+
 // Basic port of https://forge.cadoles.com/Cadoles/cpkg
 def call(Map params = [:]) {
-
     def currentRef = sh(script: 'git rev-parse HEAD', returnStdout: true).trim()
-    def baseRef = params.baseRef ? params.baseRef : currentRef
     def distRepo = params.distRepo ? params.distRepo : 'dev'
     def dist = params.dist ? params.dist : 'eole'
     def distVersion = params.distVersion ? params.distVersion : '2.7.0'
@@ -12,7 +12,7 @@ def call(Map params = [:]) {
     def gitEmail = params.gitEmail ? params.gitEmail : 'jenkins@cadoles.com'
     def gitUsername = params.gitUsername ? params.gitUsername : 'Jenkins'
     def skipCi = params.containsKey('skipCi') ? params.skipCi : false
-    def skipPush = params.containsKey('skipPush') ? params.skipPush: true
+    def skipPush = params.containsKey('skipPush') ? params.skipPush : true
 
     // Define dist branch based on provided informations and base branch name
     def distBranch = "dist/${dist}/${distVersion}/${distBranchName}"
@@ -28,7 +28,7 @@ def call(Map params = [:]) {
         sh("git config --add remote.origin.fetch +refs/heads/${distBranch}:refs/remotes/origin/${distBranch}")
 
         // Update branches
-        sh("git fetch --all")
+        sh('git fetch --all')
 
         // Merge currentRef into distBranch and push
         sh("git checkout -b '${distBranch}' 'origin/${distBranch}'")
@@ -40,7 +40,7 @@ def call(Map params = [:]) {
         sh("git merge ${currentRef}")
 
         if (!skipPush) {
-            sh("git push")
+            sh('git push')
         } else {
             println("Skipping push. Set skipPush param to 'true' to enable remote repository update.")
         }
@@ -61,15 +61,22 @@ def call(Map params = [:]) {
 
         println("Last version number is '${lastVersionNumber}'")
 
-        def versionNumber = sh(
+        String versionRoot = extractVersionRoot(lastVersionNumber)
-            script: "git describe --always ${currentRef}",
+        String versionNumber = ''
-            returnStdout: true,
-        ).split('/').last().trim()
 
-        def isCommitRef = !versionNumber.matches(/^[0-9]+\.[0-9]+\.[0-9]+.*$/)
+        if (versionRoot) {
+            versionNumber = versionRoot
+        } else {
+            versionNumber = sh(
+                script: "git describe --always ${currentRef}",
+                returnStdout: true,
+            ).split('/').last().trim()
 
-        if (isCommitRef) {
+            Boolean isCommitRef = !versionNumber.matches(/^[0-9]+\.[0-9]+\.[0-9]+.*$/)
-            versionNumber = "0.0.0-${versionNumber}"
+
+            if (isCommitRef) {
+                versionNumber = "0.0.0-${versionNumber}"
+            }
         }
 
         versionNumber = "${versionNumber}-b${env.BUILD_NUMBER}"
@@ -82,7 +89,7 @@ def call(Map params = [:]) {
 
         result['newTag'] = tag
 
-        def tagComment="Build ${versionNumber} ${distRepo} package for ${dist}-${distVersion}."
+        def tagComment = "Build ${versionNumber} ${distRepo} package for ${dist}-${distVersion}."
         if (skipCi) {
             tagComment += ' [ci skip]'
         }
@@ -91,7 +98,7 @@ def call(Map params = [:]) {
 
         // Push tag
         if (!skipPush) {
-            sh("git push --tags -f")
+            sh('git push --tags -f')
         } else {
             println("Skipping push. Set skipPush param to 'true' to enable remote repository update.")
         }
@@ -117,4 +124,15 @@ def call(Map params = [:]) {
     }
 
     return result
-}
+}
+
+@NonCPS
+String extractVersionRoot(String fullVersion) {
+    Matcher fullVersionMatcher = fullVersion =~ /^([0-9]+\.[0-9]+\.[0-9]+).*$/
+    
+    if (!fullVersionMatcher.matches()) {
+        return ""
+    }
+
+    return fullVersionMatcher.group(1)
+}