public function execute() {
global $egSimpleFarmWikiSelectEnvVarName;
$prfx = '~~ '; // prefix in front of each line to make an optical difference to passthru scripts
$selected = SimpleFarm::getMembers();
$totalMembers = count( $selected );
// farmexclude:
$excluded = preg_split( '/\s*,\s*/', trim( $this->getOption( 'farmexclude', '' ) ) );
$selected = array_diff_key( $selected, array_flip( $excluded ) );
// farmonly:
if( $this->getOption( 'farmonly' ) !== null ) {
$only = preg_split( '/\s*,\s*/', trim( $this->getOption( 'farmonly', '' ) ) );
$selected = array_intersect_key( $selected, array_flip( $only ) );
}
// information about how many are selected:
$selectedMembers = count( $selected );
if( $selectedMembers === 0 ) {
$this->output( "\n{$prfx}None of the $totalMembers farm members are selected!" );
}
elseif( $totalMembers === $selectedMembers ) {
$this->output( "\n{$prfx}All $totalMembers members of the farm are selected:" );
}
else {
$this->output( "\n{$prfx}The following $selectedMembers out of $totalMembers farm members are selected:" );
}
// print selected members:
$longest = 0;
foreach( $selected as $member ) {
if( ( $currLen = strlen( $member->getName() ) ) > $longest )
$longest = $currLen;
}
$i = 0;
foreach( $selected as $member ) {
$i++;
$this->output( "\n{$prfx}($i) Name: " . str_pad( "'{$member->getName()}'", $longest + 2, ' ', STR_PAD_RIGHT ) . " DB: '{$member->getDB()}'" );
}
// if we are in preview mode, just display what has been selected and end:
if( $this->getOption( 'farmpreview' ) !== null )
return; // no further action
// finally, run the script for each:
$script = $this->getArg( 0 );
if( $script === null ) {
$this->error( "\n{$prfx}No maintaining command has been set! Argument <command> required!", true );
}
$this->output( "\n\n{$prfx}Start maintaining selected 'Simple Farm' members:" );
$this->output( "\n{$prfx}Command: '{$script}'" );
$i = 0;
$failed = 0;
foreach( $selected as $member ) {
$i++;
$this->output( "\n\n{$prfx}({$i}/{$selectedMembers}) Running command for member '{$member->getName()}' ({$egSimpleFarmWikiSelectEnvVarName}={$member->getDB()})...\n\n" );
putenv( SIMPLEFARM_ENVVAR . "={$member->getDB()}" );
$fail = null;
passthru( $script, $fail );
if( $fail ) { // value other than 0 implies an error
$failed++;
}
}
$this->output( "\n\n{$prfx}Finished! All {$selectedMembers} selected 'Simple Farm' members have been maintained" );
// check whether we had any errors along the way:
if( $failed > 0 ) {
// send out some warning!
$this->output( "\n{$prfx}WARNING: {$failed} of the command executions have returned a value implying an error. See output above!\n" );
}
else {
// success!
$this->output( "\n{$prfx}Apparently, no error has occured during command executions :-)\n" );
}
}
/**
* Whether the farm member wiki is the wiki currently accessed in this run.
*
* @return boolean
*/
public function isActive() {
return ( $this->getDB() === SimpleFarm::getActiveMember()->getDB() );
}