Added support for downloading formulas from multiple baseurls into the same environment.

pillar.example

   # List of formulas to enable in each environment
   list:
     base:
-      - salt-formula
-      - postfix-formula
+      https://github.com/saltstack-formulas:
+        - salt-formula
+        - postfix-formula
     dev:
-      - salt-formula
-      - postfix-formula
-      - openssh-formula
+      https://github.com/saltstack-formulas
+        - salt-formula
+        - postfix-formula
+        - openssh-formula

salt/formulas.jinja

 
 {%- macro formulas_roots(env) -%}
 {%- set value = [] -%}
-{%- for dir in formulas.get(env, []) -%}
+{%- for repo,f_name in formulas.get(env, {}).items() -%}
+{%- for dir in f_name -%}
 {%- set basedir = formulas_git_opt(env, 'basedir')|load_yaml -%}
 {%- do value.append('{0}/{1}'.format(basedir, dir)) -%}
 {%- endfor -%}
+{%- endfor -%}
 {{ value|yaml }}
 {%- endmacro -%}
 

salt/formulas.sls

 {% from "salt/formulas.jinja" import formulas_git_opt with context %}
 
 # Loop over all formulas listed in pillar data
-{% for env, entries in salt['pillar.get']('salt_formulas:list', {}).items() %}
+{% for env, elements in salt['pillar.get']('salt_formulas:list', {}).items() %}
+{% for baseurl, entries in elements.items() %}
 {% for entry in entries %}
 
 {% set basedir = formulas_git_opt(env, 'basedir')|load_yaml %}
 {% if gitdir not in processed_gitdirs %}
 {% do processed_gitdirs.append(gitdir) %}
 {% set options = formulas_git_opt(env, 'options')|load_yaml %}
-{% set baseurl = formulas_git_opt(env, 'baseurl')|load_yaml %}
 {{ gitdir }}:
   git.latest:
     - name: {{ baseurl }}/{{ entry }}.git
 
 {% endfor %}
 {% endfor %}
+{% endfor %}