the-btfash-foundation/tmux-mem-cpu-load
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Detect old option specification fail informatively.

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Print the information message to std::cout so it gets printed on the tmux
status line so users of 2.X know how to update their configuration.
This commit is contained in:
Matt McCormick 2015-01-19 22:51:14 -05:00
parent 4c00be77ff
commit 1bfda9484a
2 changed files with 13 additions and 0 deletions
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5
CMakeLists.txt
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@ -115,8 +115,13 @@ if(BUILD_TESTING)
COMMAND tmux-mem-cpu-load --graph_lines -2 COMMAND tmux-mem-cpu-load --graph_lines -2
) )
add_test(NAME old_option_specification
COMMAND tmux-mem-cpu-load 2 8
)
set_tests_properties(usage set_tests_properties(usage
invalid_status_interval invalid_status_interval
invalid_graph_lines invalid_graph_lines
old_option_specification
PROPERTIES WILL_FAIL TRUE) PROPERTIES WILL_FAIL TRUE)
endif() endif()

8
tmux-mem-cpu-load.cc
View File

@ -159,6 +159,14 @@ int main( int argc, char** argv )
return EXIT_FAILURE; return EXIT_FAILURE;
} }
} }
// Detect old option specification and return and error message.
if( argc > optind )
{
std::cout <<
"The interval and graph lines options are now specified with flags.\n\n";
print_help();
return EXIT_FAILURE;
}
std::cout << mem_string( use_colors ) << ' ' std::cout << mem_string( use_colors ) << ' '
<< cpu_string( cpu_usage_delay, graph_lines, use_colors ) << ' ' << cpu_string( cpu_usage_delay, graph_lines, use_colors ) << ' '