matthiasbeyer
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imag
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Add check if given subcommand is supported

This commit is contained in:
Mario Krehl 2016-09-07 10:31:00 +02:00
parent e6d48cb31a
commit 7023d1f202
1 changed files with 9 additions and 0 deletions
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9
bin/src/main.rs
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@ -175,6 +175,13 @@ fn main() {
Some(values) => values.collect(), Some(values) => values.collect(),
None => Vec::new() None => Vec::new()
}; };
if !get_commands().contains(&String::from(subcommand)) {
println!("No such command: 'imag-{}'", subcommand);
println!("See 'imag --help' for available subcommands");
exit(2);
}
debug!("Calling 'imag-{}' with args: {:?}", subcommand, subcommand_args); debug!("Calling 'imag-{}' with args: {:?}", subcommand, subcommand_args);
match Command::new(format!("imag-{}", subcommand)) match Command::new(format!("imag-{}", subcommand))
@ -198,6 +205,8 @@ fn main() {
debug!("Error calling the subcommand"); debug!("Error calling the subcommand");
match e.kind() { match e.kind() {
ErrorKind::NotFound => { ErrorKind::NotFound => {
// With the check above, this absolutely should not happen.
// Keeping it to be safe
println!("No such command: 'imag-{}'", subcommand); println!("No such command: 'imag-{}'", subcommand);
println!("See 'imag --help' for available subcommands"); println!("See 'imag --help' for available subcommands");
exit(2); exit(2);