test_clang_format: Do not assume meson source is in git
Fixes:
@@ -2532,6 +2532,14 @@ class AllPlatformTests(BasePlatformTests):
if self.backend is not Backend.ninja:
raise SkipTest(f'Clang-format is for now only supported on Ninja, not {self.backend.name}')
testdir = os.path.join(self.unit_test_dir, '54 clang-format')
+
+ # Ensure that test project is in git even when running meson from tarball.
+ srcdir = os.path.join(self.builddir, 'src')
+ shutil.copytree(testdir, srcdir)
+ _git_init(srcdir)
+ testdir = srcdir
+ self.new_builddir()
+
testfile = os.path.join(testdir, 'prog.c')
badfile = os.path.join(testdir, 'prog_orig_c')
goodfile = os.path.join(testdir, 'prog_expected_c')
