[Buildroot] [RFC v2] 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.

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

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

 docs/manual/getting.txt    | 14 ++++++++++++++
 docs/website/download.html | 16 ++++++++++++++++
 support/misc/Vagrantfile   | 47 ++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 77 insertions(+)
 create mode 100644 support/misc/Vagrantfile

diff --git a/docs/manual/getting.txt b/docs/manual/getting.txt
index 3437f93..8b3ebb0 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 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/tree/support/misc/Vagrantfile; vagrant up
+--------------------
+
+If you are on windows, paste this into your powershell:
+
+--------------------
+Invoke-WebRequest http://git.buildroot.net/buildroot/tree/support/misc/Vagrantfile -OutFile 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 ef87b1c..7d3fd1b 100644
--- a/docs/website/download.html
+++ b/docs/website/download.html
@@ -32,6 +32,22 @@ This and earlier releases (and their PGP signatures) can always be downloaded fr
 
 <p>
 
+<p>
+An official 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:
+
+<pre>
+curl -O http://git.buildroot.net/buildroot/tree/support/misc/Vagrantfile; vagrant up
+</pre>
+
+If you are on windows, paste this into your powershell:
+
+<pre>
+Invoke-WebRequest http://git.buildroot.net/buildroot/tree/support/misc/Vagrantfile -OutFile 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..36cb3e0
--- /dev/null
+++ b/support/misc/Vagrantfile
@@ -0,0 +1,47 @@
+################################################################################
+#
+# Vagrantfile
+#
+################################################################################
+
+### Change here for more memory/cores or different version ###
+VM_MEMORY=1024
+VM_CORES=1
+
+require 'open-uri'
+open("http://git.buildroot.net/buildroot/plain/CHANGES") do |f|
+  BUILDROOT_VERSION=f.read.lines.first.split(",")[0]
+end
+
+$sudo_script = <<SCRIPT
+sudo apt-get update
+sudo apt-get -y install build-essential libncurses5-dev \
+  git bzr cvs mercurial subversion
+sudo apt-get -y autoremove
+SCRIPT
+
+$script = <<SCRIPT
+echo "Downloading buildroot #{BUILDROOT_VERSION}"
+wget -q -c http://buildroot.org/downloads/buildroot-#{BUILDROOT_VERSION}.tar.gz
+tar axf buildroot-#{BUILDROOT_VERSION}.tar.gz
+SCRIPT
+
+Vagrant.configure("2") do |config|
+  config.vm.box = "ubuntu/trusty64"
+
+  config.vm.provider :vmware_fusion do |v, override|
+    v.vmx['displayname'] = 'Buildroot #{BUILDROOT_VERSION}'
+    v.vmx["memsize"] = VM_MEMORY
+    v.vmx["numvcpus"] = VM_CORES
+  end
+
+  config.vm.provider :virtualbox do |v, override|
+    v.name = "Buildroot"
+    v.customize ["modifyvm", :id, "--name", "Buildroot #{BUILDROOT_VERSION}"]
+    v.customize ["modifyvm", :id, "--memory", VM_MEMORY]
+    v.customize ["modifyvm", :id, "--cpus", VM_CORES]
+  end
+
+  config.vm.provision "shell", inline: $sudo_script
+  config.vm.provision "shell", privileged: false, inline: $script
+end
-- 
1.9.1