#692 : UrlUpdater fetches every defined version for Docker and latest version is now accepted as well

CHANGELOG.adoc

@@ -6,6 +6,9 @@ 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/692[#692]: "Latest" version of Docker causes installation problems
+
+
 The full list of changes for this release can be found in https://github.com/devonfw/IDEasy/milestone/24?closed=1[milestone 2025.03.002].
 
 == 2025.03.001

cli/src/main/java/com/devonfw/tools/ide/tool/docker/DockerDesktopUrlUpdater.java

@@ -31,13 +31,13 @@ protected void addVersion(UrlVersion urlVersion) {
     // get Code for version
     String body = doGetResponseBodyAsString("https://docs.docker.com/desktop/release-notes/");
     String regex = "href=#" + version
-        // .......1.........................................................2.................
-        + ".{8,12}(\r\n|\r|\n).{0,350}href=https://desktop\\.docker\\.com.*?(\\d{5,6}).*\\.exe";
+        // .....................................................(Group.1.)..........
+        + ".{8,12}.{0,350}href=https://desktop\\.docker\\.com.*?(\\d{5,6}).*\\.exe";
     Pattern pattern = Pattern.compile(regex, Pattern.DOTALL);
     Matcher matcher = pattern.matcher(body);
     String code;
     if (matcher.find()) {
-      code = matcher.group(2);
+      code = matcher.group(1);
       boolean success = doAddVersion(urlVersion,
           "https://desktop.docker.com/win/main/amd64/" + code + "/Docker%20Desktop%20Installer.exe", WINDOWS);
       if (!success) {

cli/src/main/java/com/devonfw/tools/ide/tool/repository/AbstractToolRepository.java

@@ -27,7 +27,7 @@
 public abstract class AbstractToolRepository implements ToolRepository {
 
   private static final int MAX_TEMP_DOWNLOADS = 9;
-  
+
   /** The owning {@link IdeContext}. */
   protected final IdeContext context;
 
@@ -135,7 +135,11 @@ protected String createDownloadFilename(String tool, String edition, VersionIden
     StringBuilder sb = new StringBuilder(32);
     sb.append(tool);
     sb.append("-");
-    sb.append(version);
+    if (VersionIdentifier.LATEST.equals(version)) {
+      sb.append("latest");
+    } else {
+      sb.append(version);
+    }
     if (!edition.equals(tool)) {
       sb.append("-");
       sb.append(edition);

cli/src/main/java/com/devonfw/tools/ide/url/model/folder/AbstractUrlFolder.java

@@ -58,6 +58,9 @@ public int getChildCount() {
   public C getChild(String name) {
 
     load(false);
+    if ("*".equals(name)) {
+      return this.childMap.get("latest");
+    }
     return this.childMap.get(name);
   }
 

cli/src/test/java/com/devonfw/tools/ide/tool/UrlUpdaterMockSingle.java

@@ -13,7 +13,7 @@
  */
 public class UrlUpdaterMockSingle extends UrlUpdaterMock {
 
-  private static final Set<String> versions = new HashSet<>(List.of("1.0"));
+  private static Set<String> versions = new HashSet<>(List.of("1.0"));
 
   /**
    * The constructor
@@ -30,6 +30,15 @@ protected Set<String> getVersions() {
     return versions;
   }
 
+  /**
+   * Enables the possibility to change the version which should be tested.
+   *
+   * @param newVersion the new Version to be set.
+   */
+  protected void setVersion(final String newVersion) {
+    versions = Set.of(newVersion);
+  }
+
   @Override
   protected void addVersion(UrlVersion urlVersion) {
     doAddVersion(urlVersion, wmRuntimeInfo.getHttpBaseUrl() + "/os/windows_x64_url.tgz", WINDOWS, X64, "123");

cli/src/test/java/com/devonfw/tools/ide/tool/UrlUpdaterTest.java

@@ -280,4 +280,26 @@ public void testUrlUpdaterWithTextContentTypeWillNotCreateStatusJson(@TempDir Pa
 
   }
 
+  /**
+   * Tests if the {@link com.devonfw.tools.ide.url.updater.UrlUpdater} will handle the literally latest version of a tool correctly
+   *
+   * @param tempDir Temporary directory
+   * @param wmRuntimeInfo wireMock server on a random port
+   */
+  @Test
+  public void testUrlUpdaterWithOnlyLatestVersion(@TempDir Path tempDir, WireMockRuntimeInfo wmRuntimeInfo) {
+    //given
+    stubFor(any(urlMatching("/os/.*")).willReturn(aResponse().withStatus(200).withBody("aBody")));
+    UrlRepository urlRepository = UrlRepository.load(tempDir);
+    UrlUpdaterMockSingle updater = new UrlUpdaterMockSingle(wmRuntimeInfo);
+    updater.setVersion("latest");
+
+    // when
+    updater.update(urlRepository);
+
+    // then
+    Path versionsPath = tempDir.resolve("mocked").resolve("mocked").resolve("latest");
+    assertThat(versionsPath.resolve("status.json")).exists();
+  }
+
 }