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#!/usr/bin/env php |
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<?php |
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/** |
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* Tool to list projects in dependency order for build. |
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* |
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* @package automattic/jetpack |
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*/ |
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// phpcs:disable WordPress.WP.AlternativeFunctions, WordPress.PHP.DiscouragedPHPFunctions, WordPress.Security.EscapeOutput.OutputNotEscaped |
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ob_start(); |
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require_once __DIR__ . '/find-project-deps.php'; |
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ob_end_clean(); |
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$debug_color = getenv( 'CI' ) ? '34' : '1;30'; |
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/** |
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* Test if a variable is falsey. |
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* |
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* @param mixed $v Variable to test. |
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* @return bool |
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*/ |
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function is_falsey( $v ) { |
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return ! $v; |
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} |
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// We look for packages that have no outgoing dependencies, collect then and remove them from the dependency graph, then repeat. |
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// This is basically Kahn's algorithm with some steps interleaved. |
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$deps = get_dependencies(); |
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unset( $deps['monorepo'] ); |
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$output = array(); |
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while ( $deps ) { |
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$ok = array_keys( array_filter( $deps, 'is_falsey' ) ); |
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if ( ! $ok ) { |
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if ( getenv( 'CI' ) ) { |
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$lf = '%%0A'; |
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fprintf( STDERR, '::error::The dependency graph contains a cycle!' ); |
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$end = "\n"; |
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} else { |
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$lf = "\n"; |
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fprintf( STDERR, "\e[1;37;41mThe dependency graph contains a cycle!\e[0m" ); |
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$end = ''; |
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} |
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fprintf( STDERR, " Involved dependencies are:${lf}" ); |
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$l = 0; |
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foreach ( $deps as $k => $v ) { |
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$l = max( $l, strlen( $k ) ); |
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} |
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foreach ( $deps as $k => $v ) { |
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fprintf( STDERR, " %${l}s -> %s${lf}", $k, implode( ' ', $v ) ); |
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} |
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fprintf( STDERR, $end ); |
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exit( 1 ); |
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} |
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fprintf( STDERR, "\e[${debug_color}mReady at this step: %s\e[0m\n", implode( ' ', $ok ) ); |
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$output = array_merge( $output, $ok ); |
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foreach ( $ok as $slug ) { |
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unset( $deps[ $slug ] ); |
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} |
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foreach ( $deps as &$v ) { |
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$v = array_diff( $v, $ok ); |
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} |
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unset( $v ); |
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} |
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echo implode( "\n", $output ) . "\n"; |
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This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)
or! empty(...)
instead.