#1298: Support for extra tool installations

CHANGELOG.adoc

@@ -6,6 +6,7 @@ This file documents all notable changes to https://github.com/devonfw/IDEasy[IDE
 
 Release with new features and bugfixes:
 
+* https://github.com/devonfw/IDEasy/issues/1298[#1298]: Support for extra tool version
 * https://github.com/devonfw/IDEasy/issues/1349[#1349]: Fix XML merge warning message to include file paths for better debugging
 * https://github.com/devonfw/IDEasy/issues/1473[#1473]: option --skip-updates not working
 * https://github.com/devonfw/IDEasy/issues/536[#536]: IDEasy complete tries to match commandlets twice

cli/src/main/java/com/devonfw/tools/ide/environment/EnvironmentVariables.java

@@ -89,6 +89,33 @@ default String getToolEdition(String tool) {
    */
   VersionIdentifier getToolVersion(String tool);
 
+  /**
+   * @param tool the name of the tool (e.g. "java").
+   * @return the {@link VersionIdentifier} with the extra version of the tool to use. May also be a {@link VersionIdentifier#isPattern() version pattern}. Will be
+   *     {@code null} if undefined.
+   */
+  default VersionIdentifier getExtraToolVersion(String tool) {
+    String variable = getExtraToolVersionVariable(tool);
+    String value = get(variable);
+    if (value == null) {
+      return null;
+    }
+    return VersionIdentifier.of(value);
+  }
+
+  /**
+   * @param tool the name of the tool (e.g. "java").
+   * @return the edition of the extra tool to use. Will be {@code null} if undefined.
+   */
+  default String getExtraToolEdition(String tool) {
+    String variable = getExtraToolEditionVariable(tool);
+    String value = get(variable);
+    if (value == null) {
+      return null;
+    }
+    return value;
+  }
+
   /**
    * @return the {@link EnvironmentVariablesType type} of this {@link EnvironmentVariables}.
    */
@@ -274,6 +301,24 @@ static String getToolEditionVariable(String tool) {
     return getToolVariablePrefix(tool) + "_EDITION";
   }
 
+  /**
+   * @param tool the name of the tool.
+   * @return the name of the extra version variable.
+   */
+  static String getExtraToolVersionVariable(String tool) {
+
+    return "EXTRA_" + getToolVariablePrefix(tool) + "_VERSION";
+  }
+
+  /**
+   * @param tool the name of the tool.
+   * @return the name of the extra edition variable.
+   */
+  static String getExtraToolEditionVariable(String tool) {
+
+    return "EXTRA_" + getToolVariablePrefix(tool) + "_EDITION";
+  }
+
   /**
    * @param tool the name of the tool.
    * @return the given {@code tool} name in UPPER_CASE without hyphen characters.