Move current orders in turn-folder

Dockerfile

@@ -36,6 +36,7 @@ RUN mkdir -p /eressea/server && \
 FROM eressea-base as eressea
 ARG eressea_branch
 COPY docker-assets/backup-eressea.patch /eressea/
+COPY docker-assets/create-orders.patch /eressea/
 COPY docker-assets/run-eressea.cron.patch /eressea/
 RUN DEBIAN_FRONTEND="noninteractive" apt-get install -y \
     cmake luarocks libxml2-dev liblua5.2-dev libtolua-dev libncurses5-dev libsqlite3-dev \
@@ -45,6 +46,7 @@ RUN DEBIAN_FRONTEND="noninteractive" apt-get install -y \
     cd git.eressea && \
     git submodule update --init && \
     patch process/backup-eressea < /eressea/backup-eressea.patch && \
+    patch process/create-orders < /eressea/create-orders.patch && \
     patch process/cron/run-eressea.cron < /eressea/run-eressea.cron.patch && \
     s/cmake-init && \
     s/build && \

docker-assets/create-orders.patch

@@ -0,0 +1,14 @@
+--- create-orders	2020-12-26 10:04:52.000000000 +0100
++++ create-orders copy	2020-12-26 10:06:56.000000000 +0100
+@@ -14,9 +14,10 @@
+   echo "orders.dir.$TURN already exists"
+   exit
+ fi
++mv orders.dir orders.dir.$TURN
+ rm -f "orders.$TURN"
+ 
+-cd orders.dir || exit
++cd orders.dir.$TURN || exit
+ 
+ php ../../orders-php/cli.php -d "orders.db" export | tr -d '\r' > "../orders.$TURN"
+