Add testing TC job for calculating new version of the release

.teamcity/_Self/buildTypes/CreateNewReleaseBranchFromMaster.kt

@@ -0,0 +1,65 @@
+/*
+ * Copyright 2003-2024 The IdeaVim authors
+ *
+ * Use of this source code is governed by an MIT-style
+ * license that can be found in the LICENSE.txt file or at
+ * https://opensource.org/licenses/MIT.
+ */
+
+package _Self.buildTypes
+
+import _Self.IdeaVimBuildType
+import jetbrains.buildServer.configs.kotlin.v2019_2.CheckoutMode
+import jetbrains.buildServer.configs.kotlin.v2019_2.DslContext
+import jetbrains.buildServer.configs.kotlin.v2019_2.buildSteps.script
+
+object CreateNewReleaseBranchFromMaster : IdeaVimBuildType({
+  name = "EXP: Create new release branch from master"
+
+  vcs {
+    root(DslContext.settingsRoot)
+    branchFilter = "+:<default>"
+
+    checkoutMode = CheckoutMode.AUTO
+  }
+
+  steps {
+    script {
+      name = "Calculate next potential release version"
+      scriptContent = """
+        #!/bin/bash
+
+        # Fetch all remote branches
+        git fetch --all
+
+        # Get a list of all branches matching the pattern release/x.y.z
+        branches=${'$'}(git branch -r | grep -oE 'release/[0-9]+\.[0-9]+\.x')
+
+        # If no matching branches are found, print a message and exit
+        if [[ -z "${'$'}branches" ]]; then
+            echo "No release branches found"
+            exit 1
+        fi
+
+        # Find the largest release version
+        largest_release=${'$'}(echo "${'$'}branches" | sort -V | tail -n 1)
+
+        # Print the largest release
+        echo "Largest release branch: ${'$'}largest_release"
+        echo "##teamcity[setParameter name='env.POTENTIAL_VERSION' value='${'$'}largest_release']"
+      """.trimIndent()
+    }
+
+    script {
+      name = "Show potential release version"
+      scriptContent = """
+                #!/bin/bash
+                echo "Calculated or user-provided parameter value is: %env.POTENTIAL_VERSION%"
+            """.trimIndent()
+    }
+  }
+
+  params {
+    param("env.POTENTIAL_VERSION", "")
+  }
+})

.teamcity/_Self/subprojects/Releases.kt

@@ -1,5 +1,6 @@
 package _Self.subprojects
 
+import _Self.buildTypes.CreateNewReleaseBranchFromMaster
 import _Self.buildTypes.PublishVimEngine
 import _Self.buildTypes.ReleaseDev
 import _Self.buildTypes.ReleaseEap
@@ -38,4 +39,6 @@ object Releases : Project({
   buildType(ReleaseEap)
   buildType(ReleaseDev)
   buildType(PublishVimEngine)
+
+  buildType(CreateNewReleaseBranchFromMaster)
 })