Introduce new role: ableton.fastbuild

This role installs FASTBuild on a Windows-based system. We could
theoretically support Linux and Mac in the future, since FASTBuild
supports those platforms (albeit in alpha).

README.md

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+FASTBuild Role
+==============
+
+This role installs the [FASTBuild][fastbuild] build system software on the given
+Ansible host.
+
+
+Supported Host OS Types
+-----------------------
+
+Currently this role only supports Windows hosts, even though FASTBuild has alpha
+support for Linux and Mac OS X.
+
+
+Role Variables
+--------------
+
+This role defines the following variables which can be overridden:
+
+- `fastbuild_arch`
+- `fastbuild_version`
+- `fastbuild_path_win`
+
+See `defaults/main.yml` for further documentation of these variables.
+
+
+[fastbuild]: http://fastbuild.org

defaults/main.yml

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+---
+# Architecture to download for. Valid values include 'x64' and 'x86'. Note that
+# the 'x86' (32-bit) variant is only supported for Windows, and is known to be
+# slower than the 64-bit version. Unless you are running a 32-bit version of
+# Windows, it is not advised to change this value.
+fastbuild_arch: 'x64'
+
+# Version of FASTBuild to install.
+fastbuild_version: '0.94'
+
+# On Windows, this determines where the FASTBuild executables will be extracted.
+fastbuild_path_win: C:\Windows

meta/main.yml

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+---
+galaxy_info:
+  author: Nik Reiman
+  description: Installs FASTBuild
+  company: Ableton AG
+
+  license: BSD
+
+  min_ansible_version: 1.2
+
+  github_branch: master
+
+  platforms:
+    - name: Windows
+      versions:
+        - 8
+        - 8.1
+        - 10
+
+  galaxy_tags: []
+
+  dependencies: []

tasks/main.yml

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+---
+- include_tasks: "{{ ansible_os_family | lower }}/main.yml"

tasks/windows/main.yml

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+---
+- name: Create temporary directory for downloads
+  win_tempfile:
+    state: directory
+    prefix: fastbuild
+  register: fastbuild_temp_dir
+
+- name: Download FASTBuild zipfile
+  win_get_url:
+    url: "{{ fastbuild_url_base }}/v{{ fastbuild_version }}/FASTBuild-Windows-{{ fastbuild_arch }}-v{{ fastbuild_version }}.zip"
+    dest: "{{ fastbuild_temp_dir.path }}/FASTBuild.zip"
+
+- name: Unzip FASTBuild archive
+  win_unzip:
+    src: "{{ fastbuild_temp_dir.path }}/FASTBuild.zip"
+    dest: "{{ fastbuild_path_win }}"
+    delete_archive: true

vars/main.yml

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+---
+# Base URL where the software will be downloaded from.
+fastbuild_url_base: 'http://fastbuild.org/downloads'