Github user PurelyApplied commented on a diff in the pull request:
https://github.com/apache/geode/pull/652#discussion_r129656012
--- Diff: geode-core/src/main/java/org/apache/geode/internal/ExitCode.java
---
@@ -0,0 +1,61 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
contributor license
+ * agreements. See the NOTICE file distributed with this work for
additional information regarding
+ * copyright ownership. The ASF licenses this file to You under the Apache
License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
License. You may obtain a
+ * copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
ANY KIND, either express
+ * or implied. See the License for the specific language governing
permissions and limitations under
+ * the License.
+ */
+package org.apache.geode.internal;
+
+import java.util.Arrays;
+
+import org.springframework.shell.core.ExitShellRequest;
+
+
+public enum ExitCode {
+
+ // The choice of redundant values here is to be consistent with existing
behavior
+ // while allowing for future extensibility. JVM_TERMINATED_EXIT(99)
exists for coverage of
+ // Spring's ExitShellRequest values in fromSpring.
+ NORMAL(0),
+ FATAL(1),
+ DEPENDENCY_GRAPH_FAILURE(-1),
+ COULD_NOT_EXECUTE_COMMAND(1),
+ INVALID_COMMAND(1),
--- End diff --
I agree in principle, but was hesitant to alter existing behavior for
system exit calls. I didn't gain any traction in my message to the dev list
about using any exit codes other than `0` and `1`, but at the same time felt
that some distinction was warranted in the different places that `System.exit`
had been called.
Then again, I just finished ripping out dead code that had been in place
"for future development," so perhaps I should keep it simple for now and not do
the work of future extensibility that may or may not ever arrive.
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