use S3FS_DIR

python/pyarrow/tests/test_fs.py

@@ -234,9 +234,11 @@ def minio_server():
         'MINIO_SECRET_KEY': secret_key
     })
 
+    minio_dir = os.environ.get('S3FS_DIR', '')
+    minio_bin = os.path.join(minio_dir, 'minio') if minio_dir else 'minio'
     try:
         with tempfile.TemporaryDirectory() as tempdir:
-            args = ['minio', '--compat', 'server', '--quiet', '--address',
+            args = [minio_bin, '--compat', 'server', '--quiet', '--address',
                     address, tempdir]
             with subprocess.Popen(args, env=env) as proc:
                 yield address, access_key, secret_key