Update drone.yml

drone.yml

@@ -7,7 +7,7 @@ platform:
 
 cache:
   mount:
-    - /var/cache/apt/archives
+    - .cache
 
 steps:
 - name: build
@@ -17,10 +17,13 @@ steps:
     BUILDDEPS: build-essential libc6-dev libhidapi-dev libssl-dev   
     MAKEFLAGS: -j 4
   commands:
+    - mkdir -p /var/cache/apt/archives
+    - cp -rp .cache/ /var/cache/apt/archives/
     - echo 'Acquire::http { Proxy "http://172.17.0.1:3142"; }' | tee -a /etc/apt/apt.conf.d/proxy
     - apt-get update
     - apt-get --yes upgrade
     - apt-get --yes install $BUILDDEPS
+    - cp -rp /var/cache/apt/archives .cache/
     - export MAKEFLAGS
     - make -C src
     - make -C src/contrib