wiki.techinc.nl/install-utils.inc
Brion Vibber a41764dc3f We require PHP 5 now, make sure the installer requires this.
Uncertain of the exact minimum version requirement; checking for 5.0.0+
2006-05-10 19:58:17 +00:00

160 lines
3.9 KiB
PHP

<?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 );
}
$gotdatabase = 0;
## XXX We should quiet the warnings thrown here
if (extension_loaded('mysql') or dl('mysql.so')) {
$gotdatabase = 'mysql';
}
else if (extension_loaded('pgsql') or dl('pgsql.so')) {
$gotdatabase = 'pg';
}
if (!$gotdatabase) {
print "Could not load the MySQL or the PostgreSQL driver! Please compile ".
"php with either --with-mysql or --with-pgsql, or install the mysql.so or pg.so module.\n";
exit;
}
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;
}
?>