if( isUiCmd ){
#if !defined(__DARWIN__) && !defined(__APPLE__) && !defined(__HAIKU__)
    zBrowser = db_get("web-browser", 0);
    if( zBrowser==0 ){
      static const char *const azBrowserProg[] =
          { "xdg-open", "gnome-open", "firefox", "google-chrome" };
      int i;
#if defined(__CYGWIN__)
      const char *path = fossil_getenv("ProgramFiles(x86)");
      if( !path ){
        path = fossil_getenv("PROGRAMFILES");
      }
      path = fossil_utf8_to_filename(path);
      zBrowser = mprintf("%s/Google/Chrome/Application/chrome.exe", path);
      if( file_access(zBrowser, X_OK) ){
        zBrowser = mprintf("%s/Mozilla Firefox/firefox.exe", path);
      }
      if( file_access(zBrowser, X_OK) ){
        path = fossil_utf8_to_filename(fossil_getenv("PROGRAMFILES"));
        zBrowser = mprintf("%s/Internet Explorer/iexplore.exe", path);
      }
      zBrowser = mprintf("\"%s\"", zBrowser);
#else
      zBrowser = "echo";
#endif
      for(i=0; i<sizeof(azBrowserProg)/sizeof(azBrowserProg[0]); i++){
        if( binaryOnPath(azBrowserProg[i]) ){
          zBrowser = azBrowserProg[i];
          break;
        }
      }
    }