replace PHP sizeof() with either count() or empty()

[nominatim.git] / utils / update.php

diff --git a/utils/update.php b/utils/update.php
index 2fc3dba2acfc82285498d89a0e53597afd149c31..cd907d7518dc5bdf05a761b3a87da73fa2265e14 100755 (executable)
--- a/utils/update.php
+++ b/utils/update.php
@@ -13,6 +13,7 @@ $aCMDOptions
    array('verbose', 'v', 0, 1, 0, 0, 'bool', 'Verbose output'),
 
    array('init-updates', '', 0, 1, 0, 0, 'bool', 'Set up database for updating'),
+   array('check-for-updates', '', 0, 1, 0, 0, 'bool', 'Check if new updates are available'),
    array('import-osmosis', '', 0, 1, 0, 0, 'bool', 'Import updates once'),
    array('import-osmosis-all', '', 0, 1, 0, 0, 'bool', 'Import updates forever'),
    array('no-index', '', 0, 1, 0, 0, 'bool', 'Do not index the new data'),
@@ -55,7 +56,7 @@ if ($iCacheMemory + 500 > getTotalMemoryMB()) {
     echo "WARNING: resetting cache memory to $iCacheMemory\n";
 }
 $sOsm2pgsqlCmd = CONST_Osm2pgsql_Binary.' -klas --number-processes 1 -C '.$iCacheMemory.' -O gazetteer -d '.$aDSNInfo['database'].' -P '.$aDSNInfo['port'];
-if (!is_null(CONST_Osm2pgsql_Flatnode_File)) {
+if (!is_null(CONST_Osm2pgsql_Flatnode_File) && CONST_Osm2pgsql_Flatnode_File) {
     $sOsm2pgsqlCmd .= ' --flat-nodes '.CONST_Osm2pgsql_Flatnode_File;
 }
 
@@ -98,6 +99,17 @@ if ($aResult['init-updates']) {
     echo "Done. Database updates will start at sequence $aOutput[0] ($sWindBack)\n";
 }
 
+if ($aResult['check-for-updates']) {
+    $aLastState = chksql($oDB->getRow('SELECT sequence_id FROM import_status'));
+
+    if (!$aLastState['sequence_id']) {
+        fail('Updates not set up. Please run ./utils/update.php --init-updates.');
+    }
+
+    system(CONST_BasePath.'/utils/check_server_for_updates.py '.CONST_Replication_Url.' '.$aLastState['sequence_id'], $iRet);
+    exit($iRet);
+}
+
 if (isset($aResult['import-diff']) || isset($aResult['import-file'])) {
     // import diffs and files directly (e.g. from osmosis --rri)
     $sNextFile = isset($aResult['import-diff']) ? $aResult['import-diff'] : $aResult['import-file'];
@@ -251,7 +263,8 @@ if ($aResult['index']) {
 if ($aResult['import-osmosis'] || $aResult['import-osmosis-all']) {
     //
     if (strpos(CONST_Replication_Url, 'download.geofabrik.de') !== false && CONST_Replication_Update_Interval < 86400) {
-        fail("Error: Update interval too low for download.geofabrik.de.  Please check install documentation (http://nominatim.org/release-docs/latest/Import-and-Update#setting-up-the-update-process)\n");
+        fail('Error: Update interval too low for download.geofabrik.de. ' .
+             "Please check install documentation (http://nominatim.org/release-docs/latest/Import-and-Update#setting-up-the-update-process)\n");
     }
 
     $sImportFile = CONST_InstallPath.'/osmosischange.osc';
@@ -288,7 +301,9 @@ if ($aResult['import-osmosis'] || $aResult['import-osmosis-all']) {
                 $iNextSeq = (int) $aLastState['sequence_id'];
                 unset($aOutput);
                 echo "$sCMDDownload -I $iNextSeq\n";
-                unlink($sImportFile);
+                if (file_exists($sImportFile)) {
+                    unlink($sImportFile);
+                }
                 exec($sCMDDownload.' -I '.$iNextSeq, $aOutput, $iResult);
 
                 if ($iResult == 3) {