[Buildroot] [PATCH] support/misc: Adding Vagrant file for provisioning

[Angelo Compagnucci <angelo.compagnucci@gmail.com>]

This patch adds a Vagrant file to buildroot. With this file
you can provision a complete buildroot developing environment
in minutes on all major platforms (Linux/Mac/Windows).

Signed-off-by: Angelo Compagnucci <angelo.compagnucci@gmail.com>
---
Changelog:

* Upgraded windows one liner to be compatible with all
  powershell versions
* Added a link to Vagrant homepage in doc and website

RFC

v2->v3:
* Downloading latest buildroot version only on first run
* Better handling of machine name and options

v1->v2:
* Autodetecting of latest buildroot version from CHANGES file.
* Better documentation


 docs/manual/getting.txt    | 14 +++++++++++++
 docs/website/download.html | 17 ++++++++++++++++
 support/misc/Vagrantfile   | 51 ++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 82 insertions(+)
 create mode 100644 support/misc/Vagrantfile

diff --git a/docs/manual/getting.txt b/docs/manual/getting.txt
index 3437f93..84e1f54 100644
--- a/docs/manual/getting.txt
+++ b/docs/manual/getting.txt
@@ -10,6 +10,20 @@ November. Release numbers are in the format YYYY.MM, so for example
 
 Release tarballs are available at http://buildroot.org/downloads/[].
 
+An official https://www.vagrantup.com/[Vagrantfile] is distributed within buildroot for your needs.
+If you want to setup an isolated buildroot environment on Linux or
+Mac Os X, paste this line onto your terminal:
+
+--------------------
+curl -O http://git.buildroot.net/buildroot/plain/support/misc/Vagrantfile; vagrant up
+--------------------
+
+If you are on Windows, paste this into your powershell:
+
+--------------------
+(new-object System.Net.WebClient).DownloadFile("http://git.buildroot.net/buildroot/plain/support/misc/Vagrantfile","Vagrantfile"); vagrant up
+--------------------
+
 If you want to follow development, you can use the daily snapshots or
 make a clone of the Git repository. Refer to the
 http://buildroot.org/download[Download page] of the Buildroot website
diff --git a/docs/website/download.html b/docs/website/download.html
index 534fc7e..8075aca 100644
--- a/docs/website/download.html
+++ b/docs/website/download.html
@@ -32,6 +32,23 @@ This and earlier releases (and their PGP signatures) can always be downloaded fr
 
 <p>
 
+<p>
+An official <a href="https://www.vagrantup.com/">Vagrantfile</a>
+is distributed within buildroot for your needs.
+If you want to setup an isolated buildroot environment on Linux or
+Mac Os X, paste this line onto your terminal:
+
+<pre>
+curl -O http://git.buildroot.net/buildroot/plain/support/misc/Vagrantfile; vagrant up
+</pre>
+
+If you are on Windows, paste this into your powershell:
+
+<pre>
+(new-object System.Net.WebClient).DownloadFile("http://git.buildroot.net/buildroot/plain/support/misc/Vagrantfile","Vagrantfile"); vagrant up
+</pre>
+</p>
+
 You can also obtain daily snapshots of the latest Buildroot source tree if you
 want to follow development, but cannot or do not wish to use Git.
 
diff --git a/support/misc/Vagrantfile b/support/misc/Vagrantfile
new file mode 100644
index 0000000..2d9151b
--- /dev/null
+++ b/support/misc/Vagrantfile
@@ -0,0 +1,51 @@
+################################################################################
+#
+# Vagrantfile
+#
+################################################################################
+
+### Change here for more memory/cores ###
+VM_MEMORY=1024
+VM_CORES=1
+
+Vagrant.configure('2') do |config|
+	config.vm.box = 'ubuntu/trusty64'
+
+	config.vm.provider :vmware_fusion do |v, override|
+		v.vmx['memsize'] = VM_MEMORY
+		v.vmx['numvcpus'] = VM_CORES
+	end
+
+	config.vm.provider :virtualbox do |v, override|
+		v.customize ['modifyvm', :id, '--memory', VM_MEMORY]
+		v.customize ['modifyvm', :id, '--cpus', VM_CORES]
+	end
+
+	config.vm.provision 'shell' do |s|
+		s.inline = 'echo Setting up machine name'
+
+		require 'open-uri'
+		open('http://git.buildroot.net/buildroot/plain/CHANGES') do |f|
+			$buildroot_version=f.read.lines.first.split(',')[0]
+		end
+
+		config.vm.provider :vmware_fusion do |v, override|
+			v.vmx['displayname'] = "Buildroot #{$buildroot_version}"
+		end
+
+		config.vm.provider :virtualbox do |v, override|
+			v.customize ['modifyvm', :id, '--name', "Buildroot #{$buildroot_version}"]
+		end
+	end
+
+	config.vm.provision 'shell', inline:
+		"sudo apt-get -q update
+		sudo apt-get -q -y install build-essential libncurses5-dev \
+			git bzr cvs mercurial subversion
+		sudo apt-get -q -y autoremove"
+
+	config.vm.provision 'shell', privileged: false, inline:
+		"echo 'Downloading and extracting buildroot #{$buildroot_version}'
+		wget -q -c http://buildroot.org/downloads/buildroot-#{$buildroot_version}.tar.gz
+		tar axf buildroot-#{$buildroot_version}.tar.gz"
+end
-- 
1.9.1