Publish a git branch and open a tmux split that reports the outcome of CI

promote.sh

#!/bin/bash
# Pushes the current branch to origin and opens a tiny tmux split to track
# the CI status. Upon completion, speaks the status aloud using `say`.
set -e

if [ "$1" != "--wait" ]; then
  git push -u origin HEAD
  tmux split-window -dv -l 2 "'$0' --wait"
else
  ref="$(git rev-parse -q HEAD)"
  branch="$(git symbolic-ref --short -q HEAD)"
  while sleep 10; do
    STATUS=0
    output="$(hub ci-status "$ref" 2>&1)" || STATUS="$?"
    if [ "$STATUS" -eq 2 ]; then
      printf '*'
    elif [ "$STATUS" -eq 3 ]; then
      printf '.'
    else
      echo " $output"
      say -v fred "$branch is $output"
      exit "$STATUS"
    fi
  done
fi