auto-deploy

deploy.bash

#!/bin/bash
set -o errexit -o nounset -o pipefail
function -h {
cat <<USAGE
 USAGE: deploy.bash

  This will bootstrap a git checkout of the repo and then try to deploy it.

USAGE
}; function --help { -h ;}                 # A nice way to handle -h and --help
export LC_ALL=en_US.UTF-8                  # A locale that works consistently

function main {
  export GIT_SSH="$(pwd -P)/.git_ssh.site"
  [[ -f tmp/README.md ]] || bootstrap
  while sleep 60
  do deploy
  done
}

# Write functions for all script actions. Change main to call one of them.

function bootstrap {
  if [[ ! -f .git_ssh.site ]]
  then
    ssh_options=( -i "$(pwd -P)"/"${KEY:-deploy.key}"
                  -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no )
    ( printf 'ssh'
      printf ' %q' "${ssh_options[@]}"
      printf ' "$@"' ) > .git_ssh.site
    chmod +x .git_ssh.site
  fi

  git clone "${REPO}" site
  gem install bundler
}

function deploy {(
  cd website
  bundle install
  git remote update
  git checkout "${BRANCH:-gh-pages}"
  [[ $(git status -uno) == *branch\ is\ behind* ]] || return
  git rebase origin/"${BRANCH:-gh-pages}"
  bundle exec jekyll build
  bundle exec rake deploy
)}

function msg { out "$*" >&2 ;}
function err { local x=$? ; msg "$*" ; return $(( $x == 0 ? 1 : $x )) ;}
function out { printf '%s\n' "$*" ;}

######################### Delegates to subcommands or runs main, as appropriate
if [[ ${1:-} ]] && declare -F | cut -d' ' -f3 | fgrep -qx -- "${1:-}"
then "$@"
else main "$@"
fi