Allow use of foreman-installer PR

roles/foreman_installer/defaults/main.yml

@@ -19,6 +19,10 @@ foreman_installer_module_prs_strategy: "merge"
 # Comma-separated list of "organization/module/branch", e.g. "theforeman/foreman/foo,theforeman/katello/bar"
 foreman_installer_module_branches: []
 
+foreman_installer_from_source: False
+installer_fork: theforeman
+installer_branch: develop
+
 # There are two options, so a user can supply their own, and a playbook can
 # specify theirs. For example, foreman-proxy needs "--foreman-proxy-foreman-url"
 # so we put it in internal_use_only in a role or playbook.

roles/foreman_installer/tasks/installer_pr.yml

@@ -0,0 +1,17 @@
+---
+- name: "install git"
+  package:
+    name: 'git'
+    state: 'present'
+  tags:
+    - packages
+
+- name: "fetch git PR"
+  shell: >
+      git init &&
+      git remote add {{ installer_fork }}  https://github.com/{{ installer_fork }}/foreman-installer.git &&
+      git fetch &&
+      git branch {{ installer_branch }} origin/{{ installer_branch }} &&
+      git checkout -f {{ installer_branch }}
+  args:
+    chdir: "/usr/share/foreman-installer"

roles/foreman_installer/tasks/main.yml

@@ -4,6 +4,9 @@
 - include_tasks: locales.yml
   when: ansible_os_family == 'Debian'
 
+- include_tasks: installer_pr.yml
+  when: foreman_installer_from_source == True
+
 - include_tasks: module_prs.yml
   when: (foreman_installer_module_prs|length > 0) or (foreman_installer_module_branches|length > 0)