Fix creating ssh-key if it exists

git_configure.sh

@@ -22,20 +22,27 @@ git config --global user.email "$EMAIL"
 echo "Configuring global aliases..."
 git config --global alias.ci commit
 git config --global alias.st status
+git config --global alias.br branch
+git config --global alias.co checkout
+git config --global alias.last 'log -1 HEAD'
 git config --global alias.sub "submodule update --remote --merge"
 git config --global core.editor "vim"
 git config --global credential.helper 'cache --timeout=36000'
 
 read -r -p "Do you want to add ssh credentials for git? [y/n] " RESP
 RESP=${RESP,,}    # tolower (only works with /bin/bash)
-if [[ $RESP =~ ^(yes|y)$ ]]
+
+CHECK_KEY_ED_EXISTS="$HOME/.ssh/id_ed25519.pub"
+if [[ $RESP =~ ^(yes|y)$ ]] && ! test -f "$CHECK_KEY_ED_EXISTS"
 then
     echo "Configuring git ssh access..."
     ssh-keygen -t ed25519 -C "$EMAIL"
     echo "This is your public key. To activate it in github, got to settings, SHH and GPG keys, New SSH key, and enter the following key:"
     cat ~/.ssh/id_ed25519.pub
-    echo ""
-    echo "To work with the ssh key, you have to clone all your repos with ssh instead of https. For example, for this repo you will have to use the url: [email protected]:miguelgfierro/scripts.git"
+    echo -e "\nTo work with the ssh key, you have to clone all your repos with ssh instead of https. For example, for this repo you will have to use the url: [email protected]:miguelgfierro/scripts.git"
+else
+    echo "You have already ssh-key. To activate it in github, got to settings, SHH and GPG keys, New SSH key, and enter the following key:"
+    cat ~/.ssh/id_ed25519.pub
 fi
 
 if [ "$(uname)" == "Darwin" ]; then # Mac OS X platform