monitor tracked Python files, and run tests on change

autotest.sh

#!/bin/sh

runtests()
{
  ./setup.py --quiet test -- "$@"
}

source_dirs()
{
  git ls-files '*.py' | sed -ne '/\(^\|\/\)\([^\/]*\.py\)$/{s//\1/;s/^$/./;p}' | sort -u
}

is_tracked()
{
  git ls-files --error-unmatch "$@" &>/dev/null
}

monitor_inotify()
{
  inotifywait --monitor --event CLOSE_WRITE --format '%w%f' "$@"
}

monitor_fswatch()
{
  fswatch --event AttributeModified "$@"
}


runtests "$@"

monitor_fswatch $(source_dirs) | sed --unbuffered -ne '/\.py$/p' | while read file
do
  if is_tracked "$file"
  then
    echo "$file changed"
    runtests "$@"
  fi
done