Index: branches/5.3.x/core/units/helpers/deployment_helper.php
===================================================================
--- branches/5.3.x/core/units/helpers/deployment_helper.php
+++ branches/5.3.x/core/units/helpers/deployment_helper.php
@@ -21,6 +21,10 @@
 	 */
 	const SQL_TRIM_LENGTH = 120;
 
+	const STAGE_DB_MIGRATE = 'db-migrate';
+
+	const STAGE_CACHE_RESET = 'cache-reset';
+
 	/**
 	 * Name of module, that is processed right now.
 	 *
@@ -78,6 +82,16 @@
 	public $ip = '';
 
 	/**
+	 * Deployment stages to run.
+	 *
+	 * @var array
+	 */
+	public $stages = array(
+		self::STAGE_DB_MIGRATE,
+		self::STAGE_CACHE_RESET,
+	);
+
+	/**
 	 * Event, that triggered deployment.
 	 *
 	 * @var kEvent
@@ -106,8 +120,21 @@
 		if ( !$this->isCommandLine ) {
 			$this->ip = $this->Application->getClientIp();
 		}
-		elseif ( isset($GLOBALS['argv'][3]) ) {
-			$this->ip = $GLOBALS['argv'][3];
+		else {
+			if ( isset($GLOBALS['argv'][3]) ) {
+				$this->ip = $GLOBALS['argv'][3];
+			}
+
+			if ( isset($GLOBALS['argv'][4]) ) {
+				$new_stages = explode(',', $GLOBALS['argv'][4]);
+				$unknown_stages = array_diff($new_stages, $this->stages);
+
+				if ( $unknown_stages ) {
+					throw new InvalidArgumentException('Unknown deployment stages: ' . implode(', ', $unknown_stages));
+				}
+
+				$this->stages = $new_stages;
+			}
 		}
 	}
 
@@ -173,19 +200,23 @@
 		$ret = true;
 		$this->dryRun = $dry_run;
 
-		foreach ( $this->Application->ModuleInfo as $module_name => $module_info ) {
-			$this->moduleName = $module_name;
+		if ( in_array(self::STAGE_DB_MIGRATE, $this->stages) ) {
+			foreach ( $this->Application->ModuleInfo as $module_name => $module_info ) {
+				$this->moduleName = $module_name;
 
-			if ( !file_exists($this->getModuleFile('project_upgrades.sql')) ) {
-				continue;
-			}
+				if ( !file_exists($this->getModuleFile('project_upgrades.sql')) ) {
+					continue;
+				}
 
-			$ret = $ret && $this->deploy($module_name);
+				$ret = $ret && $this->deploy($module_name);
+			}
 		}
 
-		if ( $ret && !$this->dryRun ) {
-			$this->resetCaches();
-			$this->refreshThemes();
+		if ( in_array(self::STAGE_CACHE_RESET, $this->stages) ) {
+			if ( $ret && !$this->dryRun ) {
+				$this->resetCaches();
+				$this->refreshThemes();
+			}
 		}
 
 		if ( !$this->isCommandLine ) {
@@ -719,4 +750,4 @@
 		return $this;
 	}
 
-}
\ No newline at end of file
+}