From 582243837b478532e1dfbc1166f01e1f5e856732 Mon Sep 17 00:00:00 2001
From: Edgar Oliveira <edgaroliveira.dev@gmail.com>
Date: Mon, 12 Sep 2016 10:53:48 +0100
Subject: [PATCH] Pull Request

:)
---
 tools/qemu_choose_vm.sh | 49 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 tools/qemu_choose_vm.sh

diff --git a/tools/qemu_choose_vm.sh b/tools/qemu_choose_vm.sh
new file mode 100644
index 0000000..29c722a
--- /dev/null
+++ b/tools/qemu_choose_vm.sh
@@ -0,0 +1,49 @@
+#!/bin/bash
+
+# author: edgaroliveira.dev@gmail.com
+# purpose: change and run virtual machines with qemu
+# date: 11/09/2016
+# version: 1.0
+# Font: http://dhruvvyas.com/blog/?p=49 -> automation of tasks in this post
+
+## How this script works:
+# put this script in empty folder
+# Download all imgages (in formatted .img) of you want run to this new empty folder
+# Run this script, following the instructions and be happy
+
+sudo apt-get update -y
+sudo apt-get install git -y
+sudo apt-get install gemu-system -y
+git clone https://github.com/dhruvvyas90/qemu-rpi-kernel.git
+mv qemu-rpi-kernel/* .
+sudo rm -r qemu-rpi-kernel
+## Carregar para um array o resultado do ls e listar para escolher opcoes
+array=($(ls *.img))
+for (( i=0; i<${#array[@]}; i++ ));
+do
+	echo $i - ${array[$i]}
+done
+echo "Choose one of the above, please!"
+read answer
+choose="$(echo ${array[$answer]} | grep -o formatted)"
+## Verificar se tem o padrao no nome "formatted"
+if [ $choose == formatted ]; 
+then
+	qemu-system-arm -kernel kernel-qemu-4.1.7-jessie -cpu arm1176 -m 256 -M versatilepb -serial stdio -append "root=/dev/sda2 rootfstype=ext4 rw" -hda ${array[$answer]} 
+else
+	value="$(fdisk -l ${array[$answer]} | grep -o -i -P 'img2\s+[0-9]+[^0-9]' | sed -r -e 's/img2 +//g')"
+	multiple=512
+	reulstmultiply=$((value * multiple))
+	mkdir folder_mount
+	sudo mount -v -o offset=$reulstmultiply -t ext4 ${array[$answer]} folder_mount
+	##Comentar todas as linhas
+	sudo sed -i 's/^/#/g' folder_mount/etc/ld.so.preload
+	##Comentar apenas as linhas com determinado padrao
+	sudo sed -i '/dev\/mmcblk/ s?^?#?' folder_mount/etc/fstab
+	sudo umount folder_mount
+	rmdir folder_mount
+	#add this tag in name img "formatted"
+	mv ${array[$answer]} formatted_${array[$answer]}
+	#Execute qemu
+	qemu-system-arm -kernel kernel-qemu-4.1.7-jessie -cpu arm1176 -m 256 -M versatilepb -serial stdio -append "root=/dev/sda2 rootfstype=ext4 rw" -hda formatted_${array[$answer]} 
+fi