Adapt module show command run to cope with Environment Modules v5.5+
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The "module show" command is used by ModulesTool "exist" method to test the existence of a modulefile. Running "module show" against a non-existing modulefile will make modulecmd.tcl script to produce a non-zero exit code starting Modules v5.5. With this change, the exit code check when running "module show" is disabled. It should not harm the module existence check as it relies on the analysis of the obtained stderr output. Note that Lmod (as of version 8.7.55) does not set a non-zero exit code when running "module show" against a non-existing modulefile when LMOD_QUIET environment variable is set. If this behavior is changed in the future, this commit will also benefit to Lmod.
Starting Environment Modules v5.5, a non-zero exit code is set by modulecmd.tcl when trying to load a non-existing module.
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The
module showcommand is used by ModulesToolexistmethod to test the existence of a modulefile. Runningmodule showagainst a non-existing modulefile will makemodulecmd.tclscript to produce a non-zero exit code starting Modules v5.5.With this change, the exit code check when running
module showis disabled. It should not harm the module existence check as it relies on the analysis of the obtained stderr output.Note that Lmod (as of version 8.7.55) does not set a non-zero exit code when running
module showagainst a non-existing modulefile whenLMOD_QUIETenvironment variable is set. If this behavior is changed in the future, this change will also benefit to Lmod.