#!/bin/sh
declare -A variables
read -p 'Git username: ' variables[gituser]
read -p 'Git email: ' variables[gitmail]

echo "The computers git username ${variables[gituser]}"

PS3='Which Git signing format? '
options=("openpgp" "ssh" )
select opt in "${options[@]}"
do
    case $opt in
        "openpgp")
            variables[signformat]=$opt
            echo Emails of currently installed secret keys:
            gpg --list-secret-keys | grep uid
            read -p 'Type email of secret key: ' email
            variables[signingkey]=$(gpg --list-secret-keys --keyid-format=long $email | grep sec | tr " " "\n" | head -4 | tail -1 | tr "/" "\n" | head -2 | tail -1 | tr -d "\n")
            break
            ;;
        "ssh")
            variables[signformat]=$opt
            read -ep 'Path to public key: ' variables[signingkey]
            break
            ;;
        *) echo "invalid option $REPLY";;
    esac
done

git config --global user.name ${variables[gituser]}
git config --global user.email ${variables[gitmail]}
git config --global user.signingkey ${variables[sigingkey]}
git config --global gpg.format ${variables[signformat]}
git config --global commit.gpgsign true