Speed up installation of formula packages

Install all pkgs for formulas together.

salt/master/env.sls

 
 salt_env_{{ master.system.environment }}_dirs_obsolete:
   file.directory:
-  - names: 
+  - names:
     - /srv/salt/env/{{ master.system.environment }}/_modules
     - /srv/salt/env/{{ master.system.environment }}/_states
     - /srv/salt/env/{{ master.system.environment }}/_grains
 
 salt_env_{{ environment_name }}_pre_dirs:
   file.directory:
-  - names: 
+  - names:
     - /usr/share/salt-formulas/env/_modules
     - /usr/share/salt-formulas/env/_states
     - /usr/share/salt-formulas/env/_grains
 
 salt_env_{{ environment_name }}_dirs:
   file.directory:
-  - names: 
+  - names:
     - /srv/salt/env/{{ environment_name }}/_modules
     - /srv/salt/env/{{ environment_name }}/_states
     - /srv/salt/env/{{ environment_name }}/_grains
 
 {%- endif %}
 
+salt_master_{{ environment_name }}_pkg_formulas:
+  pkg.latest:
+  - pkgs:
 {%- for formula_name, formula in environment.get('formula', {}).iteritems() %}
-
 {%- if formula.source == 'pkg' %}
+    - {{ formula.name }}
+{%- endif %}
+{%- endfor %}
 
-salt_master_{{ environment_name }}_{{ formula.name }}_formula:
-  pkg.latest:
-  - name: {{ formula.name }}
+{%- for formula_name, formula in environment.get('formula', {}).iteritems() %}
 
-{%- elif formula.source == 'git' %}
+{%- if formula.source == 'git' %}
 
 {%- if master.base_environment == environment_name %}
 
   - name: git.fetch
   - cwd: /usr/share/salt-formulas/env/_formulas/{{ formula_name }}
   - opts: {{ formula.address }} {{ formula.revision }}
-  - require: 
+  - require:
     - git: salt_master_{{ environment_name }}_{{ formula_name }}_formula
 
 salt_master_{{ environment_name }}_{{ formula_name }}_formula_refs_workaround_reset: