Benjamin Krenn 57ea150cad Exit Code Propagation (#1655) ... * exit codes of failed RUN commands may now be propagated to the caller by using the --propagate-exit-code flag * removed exit code propagation flag; the exit function now unwraps the error and looks for an exit code * added integration test for exit code propagation * added trailing new line in test Dockerfile_exit_code_propagation; tidying up README.md removing all traces of error propagation flag * moved exit code propagation test to integration_test.go; moved exit code propagation test files to 'testdata' to avoid interference with other integration tests		2021-06-01 10:43:49 -07:00
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Dockerfile_exit_code_propagation	Exit Code Propagation (#1655)	2021-06-01 10:43:49 -07:00