Revert pylint.Run's exit parameter to do_exit

This has been inadvertently changed several releases ago to ``do_exit``.

Close #3533

ChangeLog

@@ -11,6 +11,12 @@ Release date: TBA
 
   Close #3527
 
+* Revert pylint.Run's `exit` parameter to ``do_exit``
+
+  This has been inadvertently changed several releases ago to ``do_exit``.
+
+  Close #3533
+
 What's New in Pylint 2.5.0?
 ===========================
 

pylint/lint/run.py

@@ -66,7 +66,9 @@ class Run:
     def _return_one(*args):  # pylint: disable=unused-argument
         return 1
 
-    def __init__(self, args, reporter=None, do_exit=True):
+    def __init__(
+        self, args, reporter=None, exit=True
+    ):  # pylint: disable=redefined-builtin
         self._rcfile = None
         self._plugins = []
         self.verbose = None
@@ -337,7 +339,7 @@ def __init__(self, args, reporter=None, do_exit=True):
 
         linter.check(args)
         score_value = linter.generate_reports()
-        if do_exit:
+        if exit:
             if linter.config.exit_zero:
                 sys.exit(0)
             else:

tests/benchmark/test_baseline_benchmarks.py

@@ -286,7 +286,7 @@ def test_baseline_benchmark_j1_all_checks_single_file(self, benchmark):
         # Just 1 file, but all Checkers/Extensions
         fileinfos = [self.empty_filepath]
 
-        runner = benchmark(Run, fileinfos, reporter=Reporter(), do_exit=False)
+        runner = benchmark(Run, fileinfos, reporter=Reporter(), exit=False)
         assert runner.linter.config.jobs == 1
         print("len(runner.linter._checkers)", len(runner.linter._checkers))
         assert len(runner.linter._checkers) > 1, "Should have more than 'master'"

tests/lint/unittest_lint.py

@@ -518,7 +518,7 @@ def test_load_plugin_command_line():
 
     run = Run(
         ["--load-plugins", "dummy_plugin", join(REGRTEST_DATA_DIR, "empty.py")],
-        do_exit=False,
+        exit=False,
     )
     assert (
         len([ch.name for ch in run.linter.get_checkers() if ch.name == "dummy_plugin"])
@@ -534,7 +534,7 @@ def test_load_plugin_config_file():
     config_path = join(REGRTEST_DATA_DIR, "dummy_plugin.rc")
 
     run = Run(
-        ["--rcfile", config_path, join(REGRTEST_DATA_DIR, "empty.py")], do_exit=False,
+        ["--rcfile", config_path, join(REGRTEST_DATA_DIR, "empty.py")], exit=False,
     )
     assert (
         len([ch.name for ch in run.linter.get_checkers() if ch.name == "dummy_plugin"])
@@ -556,7 +556,7 @@ def test_load_plugin_configuration():
             "foo,bar",
             join(REGRTEST_DATA_DIR, "empty.py"),
         ],
-        do_exit=False,
+        exit=False,
     )
     assert run.linter.config.black_list == ["foo", "bar", "bin"]