diff --git a/build.gradle b/build.gradle
index 94bdd5f..5bd4f32 100644
--- a/build.gradle
+++ b/build.gradle
@@ -100,7 +100,7 @@ test {
 tasks.withType(Test).configureEach {
     testLogging {
         exceptionFormat = 'full'
-        events('passed', 'skipped', 'failed')
+        events('skipped', 'failed')
     }
 }
 
@@ -158,7 +158,7 @@ jar {
 }
 
 clean {
-    doLast {
+    doFirst {
         project.delete(fileTree(deployDir))
     }
 }
@@ -205,17 +205,17 @@ task copyToDeployLib(type: Copy) {
 task deploy {
     description = "Copies all needed files to the ${deployDir} directory."
     group = 'Publishing'
-    dependsOn(clean, build, jar)
+    dependsOn(assemble, jar)
     outputs.dir deployDir
     inputs.files(copyToDeploy, copyToDeployLib)
     doLast {
         file(deployDir + '/logs').mkdir()
     }
-    mustRunAfter clean
 }
 
 task release {
     group = 'Publishing'
     description = 'Releases new version.'
-    dependsOn(wrapper, deploy)
+    dependsOn(clean, wrapper, check, deploy)
+    mustRunAfter clean
 }
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 41d9927..249e583 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradlew b/gradlew
index 1b6c787..a69d9cb 100755
--- a/gradlew
+++ b/gradlew
@@ -205,6 +205,12 @@ set -- \
         org.gradle.wrapper.GradleWrapperMain \
         "$@"
 
+# Stop when "xargs" is not available.
+if ! command -v xargs >/dev/null 2>&1
+then
+    die "xargs is not available"
+fi
+
 # Use "xargs" to parse quoted args.
 #
 # With -n1 it outputs one arg per line, with the quotes and backslashes removed.
diff --git a/gradlew.bat b/gradlew.bat
index 107acd3..f127cfd 100644
--- a/gradlew.bat
+++ b/gradlew.bat
@@ -14,7 +14,7 @@
 @rem limitations under the License.
 @rem
 
-@if "%DEBUG%" == "" @echo off
+@if "%DEBUG%"=="" @echo off
 @rem ##########################################################################
 @rem
 @rem  Gradle startup script for Windows
@@ -25,7 +25,7 @@
 if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
-if "%DIRNAME%" == "" set DIRNAME=.
+if "%DIRNAME%"=="" set DIRNAME=.
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
@@ -40,7 +40,7 @@ if defined JAVA_HOME goto findJavaFromJavaHome
 
 set JAVA_EXE=java.exe
 %JAVA_EXE% -version >NUL 2>&1
-if "%ERRORLEVEL%" == "0" goto execute
+if %ERRORLEVEL% equ 0 goto execute
 
 echo.
 echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
@@ -75,13 +75,15 @@ set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
 
 :end
 @rem End local scope for the variables with windows NT shell
-if "%ERRORLEVEL%"=="0" goto mainEnd
+if %ERRORLEVEL% equ 0 goto mainEnd
 
 :fail
 rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
 rem the _cmd.exe /c_ return code!
-if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
-exit /b 1
+set EXIT_CODE=%ERRORLEVEL%
+if %EXIT_CODE% equ 0 set EXIT_CODE=1
+if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
+exit /b %EXIT_CODE%
 
 :mainEnd
 if "%OS%"=="Windows_NT" endlocal
diff --git a/deploy.sh b/release.sh
similarity index 88%
rename from deploy.sh
rename to release.sh
index 385b6bd..ce3fde5 100755
--- a/deploy.sh
+++ b/release.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-./gradlew deploy
+./gradlew release
 [ $? -eq 0 ] && sftp nix3.thauvin.us <<EOF
 cd mobitopia/mobibot
 lcd deploy