private Map findCoreEditions()

in powershell-agent/src/main/java/jetbrains/buildServer/powershell/agent/detect/registry/RegistryPowerShellDetector.java [72:103]

• 31 lines of code
• 7 McCabe index (conditional complexity)

  private Map<String, PowerShellInfo> findCoreEditions() {
    Map<String, PowerShellInfo> result = new HashMap<>();
    String rootPath = "SOFTWARE\\Microsoft\\PowerShellCore\\InstalledVersions";
    for (PowerShellBitness bitness : PowerShellBitness.values()) {

      Set<String> keys = myAccessor.listSubKeys(LOCAL_MACHINE, bitness.toBitness(), rootPath);
      for (String key : keys) {
        String keyPath = rootPath + "\\" + key;
        String homeStr = myAccessor.readRegistryText(LOCAL_MACHINE, bitness.toBitness(), keyPath, "InstallLocation");
        if (homeStr == null) {
          LOG.warn("Could not fetch InstallLocation from " + keyPath);
          continue;
        }
        File home = asDirectoryOrNull(homeStr);
        if (home == null) {
          LOG.warn("Found InstallLocation is not a valid directory: " + homeStr);
          continue;
        }
        String version = myAccessor.readRegistryText(LOCAL_MACHINE, bitness.toBitness(), keyPath, "SemanticVersion");
        if (version == null) {
          LOG.warn("Could not fetch SemanticVersion from " + keyPath);
          continue;
        }
        if (new File(home, "pwsh.exe").exists()) {
          PowerShellInfo info = new PowerShellInfo(bitness, home, version, PowerShellEdition.CORE, "pwsh.exe");
          logFound(info);
          result.put(info.getHome().getAbsolutePath(), info);
        }
      }
    }
    return result;
  }