Ultimate Update Canvas Script

.bashrc

function is_git_dir() {
  git rev-parse --is-inside-git-dir >/dev/null 2>&1 && [ -d .git ]
  return $?
}

function is_canvas_root() {
  CANVAS_IN_README=$(head -1 README.md 2>/dev/null | grep 'Canvas LMS')
  [[ "$CANVAS_IN_README" != "" ]] && is_git_dir
  return $?
}

function update_canvas() {
  LOG=`pwd`/update_canvas.log

  if is_canvas_root; then
    echo "Bringing Canvas up to date ..."
    echo "  Log file is $LOG"

    echo >>$LOG
    echo "-----------------------------" >>$LOG
    echo "Canvas Update ($(date)):" >>$LOG
    echo "-----------------------------" >>$LOG

    # Loop through each plugin dir, and if it's a git repo, update it
    # This needs to be done first so that db:migrate can pull in any plugin-
    # precipitated changes to the database.
    for PLUGIN in vendor/plugins/*; do
      (
        cd $PLUGIN
        if is_git_dir; then
          echo "  Updating plugin $PLUGIN ..."
          echo "  Updating plugin $PLUGIN ..." >>$LOG
          ( git checkout master >>$LOG 2>&1 && \
            git pull --rebase >>$LOG 2>&1 ) || \
          ( echo "  failed to pull plugin (see $LOG)"; kill -INT $$ )
        fi
      )
    done

    echo "  Pulling Canvas code ..."
    echo "  Pulling Canvas code ..." >>$LOG
    ( git checkout master >>$LOG 2>&1 && git pull --rebase >>$LOG 2>&1 ) || \
      ( echo "  failed to pull Canvas (see $LOG)"; kill -INT $$ )

    echo "  Installing gems (bundle install) ..."
    echo "  Installing gems (bundle install) ..." >>$LOG
    rm Gemfile.lock* >/dev/null 2>&1
    bundle install >>$LOG 2>&1 || \
      ( echo "  failed to bundle install (see $LOG)"; kill -INT $$ )

    echo "  Migrating DB ..."
    echo "  Migrating DB ..." >>$LOG
    RAILS_ENV=development bundle exec rake db:migrate >>$LOG 2>&1 || \
      ( echo "  failed to migrate db (development) (see $LOG)"; kill -INT $$ )
    RAILS_ENV=test        bundle exec rake db:migrate >>$LOG 2>&1 || \
      ( echo "  failed to migrate db (test) (see $LOG)"; kill -INT $$ )

    echo "  Generating JS ..."
    echo "  Generating JS ..." >>$LOG
    bundle exec rake js:generate >>$LOG 2>&1 || \
      ( echo "  failed to generate JS (see $LOG)"; kill -INT $$ )

    echo "  Generating CSS ..."
    echo "  Generating CSS ..." >>$LOG
    bundle exec rake css:generate >>$LOG 2>&1 || \
      ( echo "  failed to generate CSS (see $LOG)"; kill -INT $$ )

    echo "  Generating CSS Styleguide ..."
    echo "  Generating CSS Styleguide ..." >>$LOG
    bundle exec rake css:styleguide >>$LOG 2>&1 || \
      ( echo "  failed to generate Styleguide (see $LOG)"; kill -INT $$ )

    echo "  Generating Docs ..."
    echo "  Generating Docs ..." >>$LOG
    bundle exec rake doc:api >>$LOG 2>&1 || \
      ( echo "  failed to generate Docs (see $LOG)"; kill -INT $$ )

    echo "  Installing npm packages ..."
    echo "  Installing npm packages ..." >>$LOG
    npm install >>$LOG 2>&1 || \
      ( echo "  failed to install npm packages (see $LOG)"; kill -INT $$ )

    echo "Tips:"
    echo "  - 'bundle exec guard': auto-compiles JS files while developing"
    echo "  - 'script/delayed_job run': run delayed jobs in the foreground"
  else
    echo "Please run from a Canvas root directory"
  fi
}