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Introduce wp cli has-command to detect whether a command is registered #4349

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merged 11 commits into from Sep 26, 2017
Merged

Introduce wp cli has-command to detect whether a command is registered #4349

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cbb3450
GH#4283 Function to detect a registered WP-CLI command
Sidsector9 Sep 13, 2017
030f7e7
GH#4283 Corrected white spaces
Sidsector9 Sep 13, 2017
967dd89
GH#4283 Corrected inline documentation
Sidsector9 Sep 13, 2017
a5adcb7
GH#4283 Improvised logic by using internal function
Sidsector9 Sep 14, 2017
aa619e6
GH#4283 Added functional test and made minor changes
Sidsector9 Sep 15, 2017
4a48a48
GH#4283 Corrected command in feature file
Sidsector9 Sep 15, 2017
ac0cb85
GH#4283 Updated feature file
Sidsector9 Sep 18, 2017
4142212
GH#4283 Added short package identifier
Sidsector9 Sep 18, 2017
f99a682
GH#4283 Updated examples in doc-block
Sidsector9 Sep 18, 2017
35965c1
GH#4283 Updated feature file
Sidsector9 Sep 20, 2017
851c98f
Add comment indicator before the sentence.
danielbachhuber Sep 26, 2017
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33 changes: 33 additions & 0 deletions php/commands/src/CLI_Command.php
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Expand Up @@ -575,4 +575,37 @@ private function get_update_type_str( $assoc_args ) {
return $update_type;
}

/**
* Detects if a command exists
*
* This commands checks if a command is registered with WP-CLI.
* If the command is found then it returns with exit status 0.
* If the command doesn't exist, then it will exit with status 1.
*
* ## OPTIONS
* <command_name>...
* : The command
*
* ## EXAMPLES
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Needs another space after this heading.

* wp cli has-command "wp site delete"
* wp cli has-command wp site delete
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Each of these examples should have some explanation:

# The "site delete" command is registered
$ wp cli has-command "site delete"
$ echo $?
0

# The "foo bar" command is not registered
$ wp cli has-command "foo bar"
$ echo $?
1

*
* @subcommand has-command
*
* @when after_wp_load
*
* @param array $_ Array of positional arguments.
* @param array $assoc_args Array of associative arguments.
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We should remove this argument definition, as it's not a pattern we have elsewhere.

*/
public function has_command( $_, $assoc_args ) {

// If command is input as a string, then explode it into array.
$command = explode( ' ', implode( ' ', $_ ) );

if ( 'wp' === $command[0] ) {
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I don't think we should accept "wp" to this command.

array_shift( $command );
}

WP_CLI::halt( is_array( WP_CLI::get_runner()->find_command_to_run( $command ) ) ? 0 : 1 );
}
}