[PATCH v2] docs: make sphinx-build be quiet by default

["Daniel P. Berrangé" <berrange@redhat.com>]

The sphinx-build is fairly verbose spitting out pages of output to the
console, which causes errors from other build commands to be scrolled
off the top of the terminal. This can leave the mistaken impression that
the build passed, when in fact there was a failure.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
---

In v2:

 - This time with the extra trailing ',' actually committed

 docs/meson.build | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/docs/meson.build b/docs/meson.build
index 300b134329..42d7555bc4 100644
--- a/docs/meson.build
+++ b/docs/meson.build
@@ -21,7 +21,7 @@ if sphinx_build.found()
   run_command('mkdir', ['-p', tmpdir / 'sphinx'])
   run_command('touch', [tmpdir / 'sphinx/index.rst'])
   sphinx_build_test_out = run_command(SPHINX_ARGS + [
-    '-c', meson.current_source_dir(),
+    '-q', '-c', meson.current_source_dir(),
     '-b', 'html', tmpdir / 'sphinx',
     tmpdir / 'sphinx/out'])
   build_docs = (sphinx_build_test_out.returncode() == 0)
@@ -98,8 +98,9 @@ if build_docs
                               input: this_manual,
                               install: build_docs,
                               install_dir: install_dirs,
-                              command: [SPHINX_ARGS, '-b', 'man', '-d', private_dir,
-                                        input_dir, meson.current_build_dir()])
+                              command: [SPHINX_ARGS, '-q', '-b', 'man',
+                                        '-d', private_dir, input_dir,
+                                        meson.current_build_dir()])
 
   alias_target('sphinxdocs', sphinxdocs)
   alias_target('html', sphinxdocs)
-- 
2.31.1