#2007: Support Docker on Arch Linux with pacman and yay

CHANGELOG.adoc

@@ -27,6 +27,7 @@ Release with new features and bugfixes:
 * https://github.com/devonfw/IDEasy/issues/2114[#2114]: Fix false "Cygwin is not supported" warning in Git Bash
 * https://github.com/devonfw/IDEasy/issues/865[#865]: az not working on Mac
 * https://github.com/devonfw/IDEasy/issues/2026[#2026]: Create UvRepository and UvBasedCommandlet
+* https://github.com/devonfw/IDEasy/issues/2007[#2007]: Support Docker on Arch Linux with pacman and yay
 
 The full list of changes for this release can be found in https://github.com/devonfw/IDEasy/milestone/46?closed=1[milestone 2026.07.001].
 

cli/src/main/java/com/devonfw/tools/ide/tool/NativePackageManager.java

@@ -14,7 +14,10 @@ public enum NativePackageManager {
   YUM,
 
   /** DaNdiFied yum (DNF) is the package manager of RPM package based Linux distributions like Fedora. It is the successor of {@link #YUM}. */
-  DNF;
+  DNF,
+
+  /** Pacman is the package manager of Arch Linux based distributions. */
+  PACMAN;
 
   /**
    * Extracts the package manager from the provided command string.
@@ -37,6 +40,9 @@ public static NativePackageManager extractPackageManager(String command) {
     if (command.contains("dnf")) {
       return DNF;
     }
+    if (command.contains("pacman")) {
+      return PACMAN;
+    }
 
     throw new IllegalArgumentException("Unknown package manager in command: " + command);
   }

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

@@ -93,7 +93,8 @@ protected List<PackageManagerCommand> getInstallPackageManagerCommands() {
             "echo 'deb [signed-by=/usr/share/keyrings/isv-rancher-stable-archive-keyring.gpg]"
                 + " https://download.opensuse.org/repositories/isv:/Rancher:/stable/deb/ ./' |"
                 + " sudo dd status=none of=/etc/apt/sources.list.d/isv-rancher-stable.list", "sudo apt update",
-            String.format("sudo apt install -y --allow-downgrades rancher-desktop=%s*", resolvedVersion))));
+            String.format("sudo apt install -y --allow-downgrades rancher-desktop=%s*", resolvedVersion))),
+        new PackageManagerCommand(NativePackageManager.PACMAN, List.of("yay -S --needed --noconfirm rancher-desktop")));
   }
 
   @Override
@@ -132,6 +133,9 @@ private VersionIdentifier getDockerDesktopVersionWindows() {
 
   private VersionIdentifier getDockerDesktopVersionLinux() {
 
+    if (!isCommandAvailable("apt")) {
+      return null;
+    }
     String dockerDesktopVersionLinuxCommand = "apt list --installed | grep docker-desktop | awk '{print $2}'";
     String output = this.context.newProcess().runAndGetSingleOutput("bash", "-lc", dockerDesktopVersionLinuxCommand);
     return super.resolveVersionWithPattern(output, DOCKER_DESKTOP_LINUX_VERSION_PATTERN);
@@ -175,6 +179,8 @@ private List<PackageManagerCommand> getPackageManagerCommandsUninstall() {
         new PackageManagerCommand(NativePackageManager.ZYPPER, List.of("sudo zypper remove rancher-desktop")));
     pmCommands.add(
         new PackageManagerCommand(NativePackageManager.APT, List.of("sudo apt -y autoremove rancher-desktop")));
+    pmCommands.add(
+        new PackageManagerCommand(NativePackageManager.PACMAN, List.of("sudo pacman -Rs --noconfirm rancher-desktop")));
 
     return pmCommands;
   }

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

@@ -0,0 +1,42 @@
+package com.devonfw.tools.ide.tool;
+
+import org.assertj.core.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+/**
+ * Test of {@link NativePackageManager}.
+ */
+class NativePackageManagerTest extends Assertions {
+
+  /**
+   * Test of {@link NativePackageManager#extractPackageManager(String)} for every supported package manager.
+   */
+  @Test
+  void testExtractPackageManager() {
+
+    assertThat(NativePackageManager.extractPackageManager("sudo apt install -y rancher-desktop")).isEqualTo(NativePackageManager.APT);
+    assertThat(NativePackageManager.extractPackageManager("yum install rancher-desktop")).isEqualTo(NativePackageManager.YUM);
+    assertThat(NativePackageManager.extractPackageManager("sudo zypper install rancher-desktop")).isEqualTo(NativePackageManager.ZYPPER);
+    assertThat(NativePackageManager.extractPackageManager("dnf install rancher-desktop")).isEqualTo(NativePackageManager.DNF);
+    assertThat(NativePackageManager.extractPackageManager("sudo pacman -Rs --noconfirm rancher-desktop")).isEqualTo(NativePackageManager.PACMAN);
+  }
+
+  /**
+   * Test of {@link NativePackageManager#extractPackageManager(String)} for a command without a recognized package manager.
+   */
+  @Test
+  void testExtractPackageManagerThrowsForUnknownCommand() {
+
+    assertThatThrownBy(() -> NativePackageManager.extractPackageManager("brew install rancher-desktop")).isInstanceOf(IllegalArgumentException.class);
+  }
+
+  /**
+   * Test of {@link NativePackageManager#getBinaryName()}.
+   */
+  @Test
+  void testGetBinaryName() {
+
+    assertThat(NativePackageManager.APT.getBinaryName()).isEqualTo("apt");
+    assertThat(NativePackageManager.PACMAN.getBinaryName()).isEqualTo("pacman");
+  }
+}