diff --git a/src/ru/pulsar/jenkins/library/IStepExecutor.groovy b/src/ru/pulsar/jenkins/library/IStepExecutor.groovy
index b71d0ff..e9f9cb5 100644
--- a/src/ru/pulsar/jenkins/library/IStepExecutor.groovy
+++ b/src/ru/pulsar/jenkins/library/IStepExecutor.groovy
@@ -36,6 +36,8 @@ interface IStepExecutor {
 
     def cmd(String script)
 
+    def ringCommand(String script)
+
     void tool(String toolName)
 
     def withCredentials(List bindings, Closure body)
diff --git a/src/ru/pulsar/jenkins/library/StepExecutor.groovy b/src/ru/pulsar/jenkins/library/StepExecutor.groovy
index e02585f..e8ffe04 100644
--- a/src/ru/pulsar/jenkins/library/StepExecutor.groovy
+++ b/src/ru/pulsar/jenkins/library/StepExecutor.groovy
@@ -62,6 +62,11 @@ class StepExecutor implements IStepExecutor {
         return steps.cmd(script, returnStatus, returnStdout)
     }
 
+    @Override
+    def ringCommand(String script) {
+        return steps.ringCommand(script)
+    }
+
     @Override
     void tool(String toolName) {
         steps.tool toolName
diff --git a/src/ru/pulsar/jenkins/library/steps/DesignerToEdtFormatTransformation.groovy b/src/ru/pulsar/jenkins/library/steps/DesignerToEdtFormatTransformation.groovy
index d06ca93..e6f6256 100644
--- a/src/ru/pulsar/jenkins/library/steps/DesignerToEdtFormatTransformation.groovy
+++ b/src/ru/pulsar/jenkins/library/steps/DesignerToEdtFormatTransformation.groovy
@@ -34,7 +34,7 @@ class DesignerToEdtFormatTransformation implements Serializable {
 
         def env = steps.env();
 
-        String workspaceDir = FileUtils.getFilePath("$env.WORKSPACE/$WORKSPACE").getRemote()
+        def workspaceDir = FileUtils.getFilePath("$env.WORKSPACE/$WORKSPACE")
         def srcDir = config.srcDir
         def configurationRoot = FileUtils.getFilePath("$env.WORKSPACE/$srcDir")
         def edtVersionForRing = EDT.ringModule(config)
@@ -47,10 +47,7 @@ class DesignerToEdtFormatTransformation implements Serializable {
 
         def ringOpts = [Constants.DEFAULT_RING_OPTS]
         steps.withEnv(ringOpts) {
-            String ringMessage = steps.cmd(ringCommand, false, true)
-            if (ringMessage.contains("error")) {
-                steps.error(ringMessage)
-            }
+            steps.ringCommand(ringCommand)
         }
 
         steps.zip(WORKSPACE, WORKSPACE_ZIP)
diff --git a/src/ru/pulsar/jenkins/library/steps/RingCommand.groovy b/src/ru/pulsar/jenkins/library/steps/RingCommand.groovy
new file mode 100644
index 0000000..d58c777
--- /dev/null
+++ b/src/ru/pulsar/jenkins/library/steps/RingCommand.groovy
@@ -0,0 +1,22 @@
+package ru.pulsar.jenkins.library.steps
+
+import ru.pulsar.jenkins.library.IStepExecutor
+import ru.pulsar.jenkins.library.ioc.ContextRegistry
+
+class RingCommand implements Serializable {
+
+    private String script;
+
+    RingCommand(String script) {
+        this.script = script
+    };
+
+    def run() {
+        IStepExecutor steps = ContextRegistry.getContext().getStepExecutor()
+
+        String ringMessage = steps.cmd(script, false, true)
+        if (ringMessage.contains("error")) {
+            steps.error(ringMessage)
+        }
+    }
+}
diff --git a/test/unit/groovy/ru/pulsar/jenkins/library/steps/CmdTest.java b/test/unit/groovy/ru/pulsar/jenkins/library/steps/CmdTest.java
index 4d60548..a551849 100644
--- a/test/unit/groovy/ru/pulsar/jenkins/library/steps/CmdTest.java
+++ b/test/unit/groovy/ru/pulsar/jenkins/library/steps/CmdTest.java
@@ -29,14 +29,17 @@ class CmdTest {
     final String script = "echo hello";
     Cmd cmd = new Cmd(script);
 
+    when(steps.bat(anyString(), anyBoolean(), anyBoolean(), anyString())).thenReturn(0);
+    when(steps.sh(anyString(), anyBoolean(), anyBoolean(), anyString())).thenReturn(0);
+
     // when
-    int run = cmd.run();
+    Object run = cmd.run();
 
     // then
     verify(steps).isUnix();
     assertThat(steps).satisfiesAnyOf(
-      steps -> verify(steps).bat(contains(script), eq(false), anyString()),
-      steps -> verify(steps).sh(contains(script), eq(false), anyString())
+      steps -> verify(steps).bat(contains(script), eq(false), eq(false), anyString()),
+      steps -> verify(steps).sh(contains(script), eq(false), eq(false), anyString())
     );
 
     assertThat(run).isEqualTo(0);
@@ -49,8 +52,8 @@ class CmdTest {
     Cmd cmd = new Cmd(script);
 
     String thrownText = "failed";
-    when(steps.bat(anyString(), anyBoolean(), anyString())).thenThrow(new Error(thrownText));
-    when(steps.sh(anyString(), anyBoolean(), anyString())).thenThrow(new Error(thrownText));
+    when(steps.bat(anyString(), anyBoolean(), anyBoolean(), anyString())).thenThrow(new Error(thrownText));
+    when(steps.sh(anyString(), anyBoolean(), anyBoolean(), anyString())).thenThrow(new Error(thrownText));
 
     // when
     Throwable thrown = catchThrowable(cmd::run);
@@ -59,8 +62,8 @@ class CmdTest {
     // then
     verify(steps).isUnix();
     assertThat(steps).satisfiesAnyOf(
-      steps -> verify(steps).bat(contains(script), eq(false), anyString()),
-      steps -> verify(steps).sh(contains(script), eq(false), anyString())
+      steps -> verify(steps).bat(contains(script), eq(false), eq(false), anyString()),
+      steps -> verify(steps).sh(contains(script), eq(false), eq(false), anyString())
     );
   }
 
@@ -70,17 +73,17 @@ class CmdTest {
     final String script = "false";
     Cmd cmd = new Cmd(script, true);
 
-    when(steps.bat(anyString(), anyBoolean(), anyString())).thenReturn(1);
-    when(steps.sh(anyString(), anyBoolean(), anyString())).thenReturn(1);
+    when(steps.bat(anyString(), anyBoolean(), anyBoolean(), anyString())).thenReturn(1);
+    when(steps.sh(anyString(), anyBoolean(), anyBoolean(), anyString())).thenReturn(1);
 
     // when
-    int run = cmd.run();
+    Object run = cmd.run();
 
     // then
     verify(steps).isUnix();
     assertThat(steps).satisfiesAnyOf(
-      steps -> verify(steps).bat(contains(script), eq(true), anyString()),
-      steps -> verify(steps).sh(contains(script), eq(true), anyString())
+      steps -> verify(steps).bat(contains(script), eq(true), eq(false), anyString()),
+      steps -> verify(steps).sh(contains(script), eq(true), eq(false), anyString())
     );
 
     assertThat(run).isEqualTo(1);
diff --git a/vars/cmd.groovy b/vars/cmd.groovy
index b882092..810dcb4 100644
--- a/vars/cmd.groovy
+++ b/vars/cmd.groovy
@@ -1,7 +1,7 @@
 import ru.pulsar.jenkins.library.steps.Cmd
 import ru.pulsar.jenkins.library.ioc.ContextRegistry
 
-int call(String script, boolean returnStatus = false, boolean returnStdout = false ) {
+def call(String script, boolean returnStatus = false, boolean returnStdout = false ) {
     ContextRegistry.registerDefaultContext(this)
 
     Cmd cmd = new Cmd(script, returnStatus, returnStdout)
diff --git a/vars/ringCommand.groovy b/vars/ringCommand.groovy
new file mode 100644
index 0000000..bc646c0
--- /dev/null
+++ b/vars/ringCommand.groovy
@@ -0,0 +1,9 @@
+import ru.pulsar.jenkins.library.ioc.ContextRegistry
+import ru.pulsar.jenkins.library.steps.RingCommand
+
+def call(String script ) {
+    ContextRegistry.registerDefaultContext(this)
+
+    RingCommand ringCommand = new RingCommand(script)
+    return ringCommand.run()
+}
\ No newline at end of file