Finished postgres role

roles/postgres/tasks/compile.yml

@@ -9,10 +9,21 @@
     src: https://download.postgresql.org/pub/source/v{{ postgres_version }}/postgresql-{{ postgres_version }}.tar.gz
     dest: ~/postgres
     remote_src: yes
+    creates: ~/postgres/postgresql-{{ postgres_version }}
+  register: postgres_archive
 - name: configure PostgreSQL
-  command: cd ~/postgres/postgresql-{{ postgres_version }} && ./configure --prefix=$HOME/opt/postgresql/ --with-python PYTHON=/usr/bin/python3
+  command: ./configure --prefix='$HOME/opt/postgresql/' --with-python PYTHON=/usr/bin/python3
+  args: 
+    chdir: ~/postgres/postgresql-{{ postgres_version }}
+    creates: '*config.status'
 - name: make PostgreSQL
-  command: cd ~/postgres/postgresql-{{ postgres_version }} && make world
+  command: 
+    chdir: ~/postgres/postgresql-{{ postgres_version }} 
+    cmd: make world
+    creates: '*src/backend/access/brin/brin.o'
 - name: install PostgreSQL
-  command: cd ~/postgres/postgresql-{{ postgres_version }} && make install-world
+  command: 
+    chdir: ~/postgres/postgresql-{{ postgres_version }}
+    cmd: make install-world
+    creates: ~/opt/postgresql/