tests/qemu-iotests/meson.build: Improve the indentation

By using subdir_done(), we can get rid of one level of indentation
in this file. This will make it easier to add more conditions to
skip the iotests in future patches.

Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20220223093840.2515281-3-thuth@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>

tests/qemu-iotests/meson.build

@@ -1,20 +1,24 @@
-if have_tools and targetos != 'windows' and not get_option('gprof')
+if not have_tools or targetos == 'windows' or get_option('gprof')
-  qemu_iotests_binaries = [qemu_img, qemu_io, qemu_nbd, qsd]
+  subdir_done()
-  qemu_iotests_env = {'PYTHON': python.full_path()}
+endif
-  qemu_iotests_formats = {
+
+qemu_iotests_binaries = [qemu_img, qemu_io, qemu_nbd, qsd]
+qemu_iotests_env = {'PYTHON': python.full_path()}
+qemu_iotests_formats = {
   'qcow2': 'quick',
   'raw': 'slow',
   'qed': 'thorough',
   'vmdk': 'thorough',
   'vpc': 'thorough'
-  }
+}
 
-  foreach k, v : emulators
+foreach k, v : emulators
   if k.startswith('qemu-system-')
     qemu_iotests_binaries += v
   endif
-  endforeach
+endforeach
-  foreach format, speed: qemu_iotests_formats
+
+foreach format, speed: qemu_iotests_formats
   if speed == 'quick'
     suites = 'block'
   else
@@ -26,5 +30,4 @@ if have_tools and targetos != 'windows' and not get_option('gprof')
        suite: suites,
        timeout: 0,
        is_parallel: false)
-  endforeach
+endforeach
-endif