make docker exfil work on windows mingw

docker-exfil.sh

@@ -1,8 +1,11 @@
 #!/bin/sh
-sudo docker cp $1:/home/tcms/config $PWD
-sudo docker cp $1:/home/tcms/data $PWD
-sudo docker cp $1:/home/tcms/www/assets $PWD/www
-sudo chown -R $USER:$USER $PWD/config/
-sudo chown -R $USER:$USER $PWD/data/
-sudo chown -R $USER:$USER $PWD/www/assets/
-sudo docker kill $1
+docker cp $1:/home/tcms/config $PWD
+docker cp $1:/home/tcms/data $PWD
+docker cp $1:/home/tcms/www/assets $PWD/www
+if [ $user ]
+then
+    chown -R $USER:$USER $PWD/config/
+    chown -R $USER:$USER $PWD/data/
+    chown -R $USER:$USER $PWD/www/assets/
+fi
+docker kill $1