gitmoji

#!/bin/bash

# gitmoji
# by Dominic Baggott
# https://github.com/evilstreak/gitmoji

# check we're in a git repo (or bail)
git status >/dev/null 2>&1
[ $? -ne 0 ] && exit 1

# check the git repo has any commits
git rev-list --all >/dev/null 2>&1
[ $? -ne 0 ] && exit 1

# look through all known commits to find the most recent by us
git_email=`git config --get user.email`
last_commit=`git rev-list --all --author=$git_email --fixed-strings --format=%at | fgrep -v commit | sort | tail -1`

# bail if we didn't find a commit
[[ -z $last_commit ]] && exit 1

# work out how long ago it was and pick an emoji
elapsed=$((`date +%s` - $last_commit))

if [ $elapsed -lt 300 ]; then # 5 minutes
  emoji=😇
elif [ $elapsed -lt 1800 ]; then # 30 minutes
  emoji=😄
elif [ $elapsed -lt 3600 ]; then # 1 hour
  emoji=😊
elif [ $elapsed -lt 7200 ]; then # 2 hours
  emoji=😌
elif [ $elapsed -lt 21600 ]; then # 6 hours
  emoji=😔
elif [ $elapsed -lt 86400 ]; then # 1 day
  emoji=😞
elif [ $elapsed -lt 604800 ]; then # 1 week
  emoji=😢
else
  emoji=😡
fi

echo -n "$emoji "