05.02.2024 18:40, Daniel P. Berrangé :
Creating an instance of the 'TestEnv' class will create a temporary
directory. This dir is only deleted, however, in the __exit__ handler
invoked by a context manager.

In dry-run mode, we don't use the TestEnv via a context manager, so
were leaking the temporary directory. Since meson invokes 'check'
5 times on each configure run, developers /tmp was filling up with
empty temporary directories.

Signed-off-by: Daniel P. Berrangé <berra...@redhat.com>
---
  tests/qemu-iotests/check | 3 ++-
  1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tests/qemu-iotests/check b/tests/qemu-iotests/check
index f2e9d27dcf..56d88ca423 100755
--- a/tests/qemu-iotests/check
+++ b/tests/qemu-iotests/check
@@ -184,7 +184,8 @@ if __name__ == '__main__':
          sys.exit(str(e))
if args.dry_run:
-        print('\n'.join([os.path.basename(t) for t in tests]))
+        with env:
+            print('\n'.join([os.path.basename(t) for t in tests]))
      else:
          with TestRunner(env, tap=args.tap,
                          color=args.color) as tr:

Reviewed-by: Michael Tokarev <m...@tls.msk.ru>

(with my limited understanding of this code)

Thanks!

/mjt

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