+ // sanity check that the replication URL is correct
+ $sBaseState = file_get_contents(CONST_Replication_Url.'/state.txt');
+ if ($sBaseState === false) {
+ echo "\nCannot find state.txt file at the configured replication URL.\n";
+ echo "Does the URL point to a directory containing OSM update data?\n\n";
+ fail('replication URL not reachable.');
+ }
+ // sanity check for pyosmium-get-changes
+ if (!CONST_Pyosmium_Binary) {
+ echo "\nCONST_Pyosmium_Binary not configured.\n";
+ echo "You need to install pyosmium and set up the path to pyosmium-get-changes\n";
+ echo "in your local settings file.\n\n";
+ fail('CONST_Pyosmium_Binary not configured');
+ }
+ $aOutput = 0;
+ $sCmd = CONST_Pyosmium_Binary.' --help';
+ exec($sCmd, $aOutput, $iRet);
+ if ($iRet != 0) {
+ echo "Cannot execute pyosmium-get-changes.\n";
+ echo "Make sure you have pyosmium installed correctly\n";
+ echo "and have set up CONST_Pyosmium_Binary to point to pyosmium-get-changes.\n";
+ fail('pyosmium-get-changes not found or not usable');
+ }