#!/bin/sh
#
# track_followers.sh
#
# Convenience wrapper for followerdump.py
#
# Obtains the current list of followers and commits them to Git
#
# Copyright © 2017–2019 by martin f. krafft <madduck@madduck.net>
# Released under the Artistic Licence 2.0
#

MYDIR="${0%/*}"
cd "$MYDIR"

export LC_ALL=$(locale -a | grep utf8 | head -1)

./followerdump.py | sort > followers/dump
cd followers
[ -s dump ] || exit 0
COUNT=$(wc -l dump | cut -d' ' -f1)
MSG="Twitter follower set update, total=$COUNT"
git add dump
if git commit -m"$MSG" >&2; then
  git show HEAD
fi