Added meson-info.json

mesonbuild/mconf.py

@@ -149,6 +149,7 @@ class Conf:
 def run(options):
     coredata.parse_cmd_line_options(options)
     builddir = os.path.abspath(os.path.realpath(options.builddir))
+    c = None
     try:
         c = Conf(builddir)
         save = False
@@ -164,7 +165,10 @@ def run(options):
         if save:
             c.save()
             mintro.update_build_options(c.coredata, c.build.environment.info_dir)
+            mintro.write_meson_info_file(c.build, [])
     except ConfException as e:
         print('Meson configurator encountered an error:')
+        if c is not None and c.build is not None:
+            mintro.write_meson_info_file(c.build, [e])
         raise e
     return 0

mesonbuild/mintro.py

@@ -556,7 +556,10 @@ def run(options):
         print(json.dumps(out, indent=indent))
     return 0
 
+updated_introspection_files = []
+
 def write_intro_info(intro_info, info_dir):
+    global updated_introspection_files
     for i in intro_info:
         out_file = os.path.join(info_dir, 'intro-{}.json'.format(i[0]))
         tmp_file = os.path.join(info_dir, 'tmp_dump.json')
@@ -564,6 +567,7 @@ def write_intro_info(intro_info, info_dir):
             json.dump(i[1], fp)
             fp.flush() # Not sure if this is needed
         os.replace(tmp_file, out_file)
+        updated_introspection_files += [i[0]]
 
 def generate_introspection_file(builddata: build.Build, backend: backends.Backend):
     coredata = builddata.environment.get_coredata()
@@ -581,3 +585,52 @@ def update_build_options(coredata: cdata.CoreData, info_dir):
     ]
 
     write_intro_info(intro_info, info_dir)
+
+def split_version_string(version: str):
+    vers_list = version.split('.')
+    return {
+        'full': version,
+        'major': int(vers_list[0] if len(vers_list) > 0 else 0),
+        'minor': int(vers_list[1] if len(vers_list) > 1 else 0),
+        'patch': int(vers_list[2] if len(vers_list) > 2 else 0)
+    }
+
+def write_meson_info_file(builddata: build.Build, errors: list, build_files_updated: bool = False):
+    global updated_introspection_files
+    info_dir = builddata.environment.info_dir
+    info_file = get_meson_info_file(info_dir)
+    intro_types = get_meson_introspection_types()
+    intro_info = {}
+
+    for i in intro_types.keys():
+        intro_info[i] = {
+            'file': 'intro-{}.json'.format(i),
+            'updated': i in updated_introspection_files
+        }
+
+    info_data = {
+        'meson_version': split_version_string(cdata.version),
+        'directories': {
+            'source': builddata.environment.get_source_dir(),
+            'build': builddata.environment.get_build_dir(),
+            'info': info_dir,
+        },
+        'introspection': {
+            'version': split_version_string(get_meson_introspection_version()),
+            'information': intro_info,
+        },
+        'build_files_updated': build_files_updated,
+    }
+
+    if len(errors) > 0:
+        info_data['error'] = True
+        info_data['error_list'] = [x if isinstance(x, str) else str(x) for x in errors]
+    else:
+        info_data['error'] = False
+
+    # Write the data to disc
+    tmp_file = os.path.join(info_dir, 'tmp_dump.json')
+    with open(tmp_file, 'w') as fp:
+        json.dump(info_data, fp)
+        fp.flush()
+    os.replace(tmp_file, info_file)

mesonbuild/msetup.py

@@ -184,11 +184,15 @@ class MesonApp:
             mlog.log('Target machine cpu:', mlog.bold(intr.builtin['target_machine'].cpu_method([], {})))
         mlog.log('Build machine cpu family:', mlog.bold(intr.builtin['build_machine'].cpu_family_method([], {})))
         mlog.log('Build machine cpu:', mlog.bold(intr.builtin['build_machine'].cpu_method([], {})))
-        if self.options.profile:
-            fname = os.path.join(self.build_dir, 'meson-private', 'profile-interpreter.log')
-            profile.runctx('intr.run()', globals(), locals(), filename=fname)
-        else:
-            intr.run()
+        try:
+            if self.options.profile:
+                fname = os.path.join(self.build_dir, 'meson-private', 'profile-interpreter.log')
+                profile.runctx('intr.run()', globals(), locals(), filename=fname)
+            else:
+                intr.run()
+        except Exception as e:
+            mintro.write_meson_info_file(b, [e])
+            raise
         # Print all default option values that don't match the current value
         for def_opt_name, def_opt_value, cur_opt_value in intr.get_non_matching_default_options():
             mlog.log('Option', mlog.bold(def_opt_name), 'is:',
@@ -223,7 +227,9 @@ class MesonApp:
                 profile.runctx('mintro.generate_introspection_file(b, intr.backend)', globals(), locals(), filename=fname)
             else:
                 mintro.generate_introspection_file(b, intr.backend)
-        except:
+            mintro.write_meson_info_file(b, [], True)
+        except Exception as e:
+            mintro.write_meson_info_file(b, [e])
             if 'cdf' in locals():
                 old_cdf = cdf + '.prev'
                 if os.path.exists(old_cdf):

run_unittests.py

@@ -3291,6 +3291,20 @@ recommended as it is not supported on some platforms''')
 
         self.assertEqual(res_all, res_file)
 
+    def test_introspect_meson_info(self):
+        testdir = os.path.join(self.unit_test_dir, '49 introspection')
+        introfile = os.path.join(self.builddir, 'meson-info', 'meson-info.json')
+        self.init(testdir)
+        self.assertPathExists(introfile)
+        with open(introfile, 'r') as fp:
+            res1 = json.load(fp)
+
+        for i in ['meson_version', 'directories', 'introspection', 'build_files_updated', 'error']:
+            self.assertIn(i, res1)
+
+        self.assertEqual(res1['error'], False)
+        self.assertEqual(res1['build_files_updated'], True)
+
     def test_introspect_config_update(self):
         testdir = os.path.join(self.unit_test_dir, '49 introspection')
         introfile = os.path.join(self.builddir, 'meson-info', 'intro-buildoptions.json')