output a diff when formatting meson

Author: apache-hb

.github/workflows/format.yaml

@@ -3,6 +3,7 @@ on: [push, pull_request]
 jobs:
   meson-format-check:
     runs-on: ubuntu-latest
+    name: Meson Format Check
     steps:
       - uses: actions/checkout@v2
       - name: Add LLVM APT repository
@@ -20,9 +21,11 @@ jobs:
           python3 -m pip install meson==1.10.0
       - name: Meson format check
         run: |
-          meson format --check-only --recursive meson.build
+          meson format --check-diff meson.build
+          find modules/ -name 'meson.build' -exec meson format --check-diff {} \;
   code-format-check:
     runs-on: ubuntu-latest
+    name: Check code formatting with clang-format and clang-tidy
     steps:
       - uses: actions/checkout@v2
       - name: Add LLVM APT repository

meson.build

@@ -20,7 +20,10 @@ gtest_main = dependency(
   required: tests_opt,
 )
 
-doxygen = find_program('doxygen', required: docs_opt)
+doxygen = find_program(
+  'doxygen',
+  required: docs_opt,
+)
 
 subdir('modules/concurrent')
 
@@ -37,5 +40,8 @@ if doxygen.found()
     },
   )
 
-  run_target('doxygen',command: [doxygen, doxygen_config])
+  run_target(
+    'doxygen',
+    command: [doxygen, doxygen_config],
+  )
 endif