Scripts to add to Rails Tutorial Sample app

README.md

Add credentials.sh and heroku.sh to Rails Tutorial Sample App

credentials.sh

#!/bin/bash

# Output:
# First argument if it is not blank
# Second argument if first argument is blank
anti_blank () {
  if [ -z "$1" ]; then
    echo "$2"
  else
    echo "$1"
  fi
}

# Setting Git email if necessary
GIT_EMAIL="$(git config user.email)"
if [ -z "$GIT_EMAIL" ]; then
  EMAIL_DEF='you@example.com'
  echo
  echo "Default email address: ${EMAIL_DEF}"
  echo
  echo 'Enter your Git email address:'
  read EMAIL_SEL
  EMAIL=$(anti_blank $EMAIL_SEL $EMAIL_DEF)
  echo

  echo
  echo '------------------------------'
  echo "git config --global user.email"
  echo "$EMAIL"
  git config --global user.email "$EMAIL"
fi

# Setting Git name if necessary
GIT_NAME="$(git config user.name)"
if [ -z "$GIT_NAME" ]; then
  NAME_DEF='Your Name'
  echo
  echo "Default name: ${NAME_DEF}"
  echo
  echo 'Enter your Git name:'
  read NAME_SEL

  # NOTE: The double quotes are needed to avoid truncating the string
  # at the space.
  NAME=$(anti_blank "$NAME_SEL" "$NAME_DEF")

  echo
  echo '-----------------------------'
  echo "git config --global user.name"
  echo "$NAME"
  git config --global user.name "$NAME"
  echo
fi

echo '--------------------------'
echo 'heroku login --interactive'
heroku login --interactive

echo '---------------'
echo 'heroku keys:add'
heroku keys:add

heroku.sh

#!/bin/bash

PATH_HEROKU_NAME='config/heroku_name.txt'
HEROKU_NAME=''
if [ -e $PATH_HEROKU_NAME ]
then
  HEROKU_NAME=$(cat $PATH_HEROKU_NAME)
else
  echo 'If you have not already done so, you must create this app on Heroku.'
  echo ''
  echo 'Once you have done this, you are ready to move on.'
  echo ''
  echo 'Enter the name of your app:'
  read HEROKU_NAME
  echo $HEROKU_NAME > $PATH_HEROKU_NAME
  echo ''
fi
echo '-----------------------------'
echo "Heroku app name: $HEROKU_NAME"
echo "(stored at $PATH_HEROKU_NAME)"
echo ''
echo 'If you need to change the name of this Heroku app you wish to deploy to,'
echo "you must change the name stored in $PATH_HEROKU_NAME."
echo ''
echo '--------------------'
echo 'git remote rm heroku'
git remote rm heroku

echo '-----------------------------------------------------'
echo "git remote add heroku git@heroku.com:$HEROKU_NAME.git"
git remote add heroku git@heroku.com:$HEROKU_NAME.git

echo '-------------'
echo 'git remote -v'
git remote -v

echo '----------------------'
echo 'git push heroku master'
git push heroku master

echo '---------------------------'
echo 'heroku run rails db:migrate'
heroku run rails db:migrate

echo '-------------'
echo 'git remote -v'
git remote -v