diff options
Diffstat (limited to 'install-utils.inc')
-rw-r--r-- | install-utils.inc | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/install-utils.inc b/install-utils.inc new file mode 100644 index 00000000..0ba6eca6 --- /dev/null +++ b/install-utils.inc @@ -0,0 +1,146 @@ +<?php + +function install_version_checks() { + # We dare not turn output buffer _off_ since this will break completely + # if PHP is globally configured to run through a gzip filter. + @ob_implicit_flush( true ); + + if( !function_exists( 'version_compare' ) ) { + # version_compare was introduced in 4.1.0 + echo "Your PHP version is much too old; 4.0.x will _not_ work. 5.0.0 or higher is required. ABORTING.\n"; + die( -1 ); + } + if( version_compare( phpversion(), '5.0.0' ) < 0 ) { + echo "PHP 5.0.0 or higher is required. ABORTING.\n"; + die( -1 ); + } + + global $wgCommandLineMode; + $wgCommandLineMode = true; + umask( 000 ); + set_time_limit( 0 ); +} + +function copyfile( $sdir, $name, $ddir, $perms = 0664 ) { + copyfileto( $sdir, $name, $ddir, $name, $perms ); +} + +function copyfileto( $sdir, $sname, $ddir, $dname, $perms = 0664 ) { + global $wgInstallOwner, $wgInstallGroup; + + $d = "{$ddir}/{$dname}"; + if ( copy( "{$sdir}/{$sname}", $d ) ) { + if ( isset( $wgInstallOwner ) ) { chown( $d, $wgInstallOwner ); } + if ( isset( $wgInstallGroup ) ) { chgrp( $d, $wgInstallGroup ); } + chmod( $d, $perms ); + # print "Copied \"{$sname}\" to \"{$d}\".\n"; + } else { + print "Failed to copy file \"{$sname}\" to \"{$ddir}/{$dname}\".\n"; + exit(); + } +} + +function copydirectory( $source, $dest ) { + $handle = opendir( $source ); + while ( false !== ( $f = readdir( $handle ) ) ) { + $fullname = "$source/$f"; + if ( $f{0} != '.' && is_file( $fullname ) ) { + copyfile( $source, $f, $dest ); + } + } +} + +function readconsole( $prompt = '' ) { + static $isatty = null, $fp = null; + if ( is_null( $fp ) ) { + $fp = fopen( 'php://stdin', 'r' ); + } + if ( is_null( $isatty ) ) { + if ( !function_exists( 'posix_isatty' ) || posix_isatty( $fp ) ) { + $isatty = true; + } else { + $isatty = false; + } + } + + if ( $isatty && function_exists( 'readline' ) ) { + return readline( $prompt ); + } else { + if ( $isatty ) { + print $prompt; + } + if ( feof( $fp ) ) { + return false; + } + $st = fgets($fp, 1024); + if ($st === false) return false; + $resp = trim( $st ); + return $resp; + } +} + +# +# Read and execute SQL commands from a file +# +function dbsource( $fname, $db = false ) { + if ( !$db ) { + // Try $wgDatabase, which is used in the install and update scripts + global $wgDatabase; + if ( isset( $wgDatabase ) ) { + $db =& $wgDatabase; + } else { + // No? Well, we must be outside of those scripts, so use the standard method + $db =& wfGetDB( DB_MASTER ); + } + } + $error = $db->sourceFile( $fname ); + if ( $error !== true ) { + print $error; + exit(1); + } +} + +# Obsolete, use Database::fieldExists() +function field_exists( $table, $field ) { + $fname = 'Update script: field_exists'; + $db =& wfGetDB( DB_SLAVE ); + $res = $db->query( "DESCRIBE $table", $fname ); + $found = false; + + while ( $row = $db->fetchObject( $res ) ) { + if ( $row->Field == $field ) { + $found = true; + break; + } + } + return $found; +} + +# Obsolete Database::tableExists() +function table_exists( $db ) { + global $wgDBname; + $res = mysql_list_tables( $wgDBname ); + if( !$res ) { + echo "** " . mysql_error() . "\n"; + return false; + } + for( $i = mysql_num_rows( $res ) - 1; $i--; $i > 0 ) { + if( mysql_tablename( $res, $i ) == $db ) return true; + } + return false; +} + +# Obsolete, use Database:fieldInfo() +function field_info( $table, $field ) { + $res = mysql_query( "SELECT * FROM $table LIMIT 1" ); + $n = mysql_num_fields( $res ); + for( $i = 0; $i < $n; $i++ ) { + $meta = mysql_fetch_field( $res, $i ); + if( $field == $meta->name ) { + return $meta; + } + } + return false; +} + +?> |