Install Meld as the default git diff tool. Must be executed as sudo

git_meld_install.sh

#!/bin/bash

echo "Installing meld..."
apt-get install meld -y -qq
echo "Meld 			[OK]"

echo "Creating meld custom script..."
rm ~/.config/git_meld_diff.sh
touch ~/.config/git_meld_diff.sh
echo "#!/bin/bash" >> ~/.config/git_meld_diff.sh
echo "meld \"\$5\" \"\$2\"" >> ~/.config/git_meld_diff.sh
chmod +x ~/.config/git_meld_diff.sh
echo "Meld custom script	[OK]"

echo "Configuring git diff external..."
git config --global diff.external ~/.config/git_meld_diff.sh
echo "Git configuration	[OK]"