extract build stage

.drone.yml

@@ -9,6 +9,18 @@ steps:
   - pacman -Sy --noconfirm git >/dev/null
   - git submodule update --init --recursive
 
+- name: build
+  image: archlinux
+  when:
+    branch:
+    - drone
+
+  commands:
+    - pacman -Sy --noconfirm python python-pip > /dev/null
+
+    # build site
+    - make all
+
 - name: deploy
   image: archlinux
   environment:
@@ -25,7 +37,6 @@ steps:
   commands:
     # install deps
     - pacman -Sy --noconfirm > /dev/null
-    - pacman -S --noconfirm python python-pip > /dev/null
     - pacman -S --noconfirm make git openssh rsync > /dev/null
 
     #  configure ssh
@@ -36,8 +47,5 @@ steps:
     - ssh-add
     - echo "Host *\n\tStrictHostKeyChecking no\n\n" > ~/.ssh/config
 
-    # build site
-    - make all
-
     # run operations on remote host