Shell error when using multiline ssh command inside user prompt check

Question

Running into a bit of an issue while trying to add a user prompt check to a existing script which was already working.

Here is the existing script, which is working...

#!/bin/sh

echo "**** Pulling changes into Production"

ssh [email protected] "$( cat <<'EOT'
    cd example.com/html/ || exit
    unset GIT_DIR
    git pull
EOT
)"

Here is my modified script with a user prompt, which is broken.. and it is only broken when I add the ssh line. Works perfectly with just echoes.

#!/usr/bin/env bash
while true; do
    read -p "Are you sure you want to pull changes into production? [y/N] " yn
    case $yn in
        [Yy]* ) 
            ssh [email protected] "$( cat <<'EOT'
                cd example.com/html/ || exit
                unset GIT_DIR
                git pull
                EOT
            )"; 
            exit;;
        [Nn]* ) 
            echo "!!!! CANCELLING !!!!"; 
            exit;;
        * ) echo "Please answer yes or no.";;
    esac
done

The error I'm getting is...

Syntax error: end of file unexpected (expecting ")")

scai · Accepted Answer · 2017-06-15 14:22:22Z

2

EOT must appear at the beginning of the line. Your EOT appears somewhere in between, with lots of leading spaces.

Replace

EOT

By

EOT

answered Jun 15, 2017 at 14:22

scai

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2 Comments

Borko Jandras Over a year ago

I would move the ssh part to a function and call that function from the case expression.

Octoxan Over a year ago

That's what I get for trying to make the code look clean! Thank you!

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