script to pull your git commit logs for various date ranges, formatted for a timesheet

gitlog

#!/bin/bash
# Pulls git log for an author formatted for a timesheet

# Usage:
# gitlog = all commits today
# gitlog 48 = last 48 hours of commits
# gitlog 2022-05-31 = all commits on May 13, '22 (also supports 5/31/2022, 05-31-2022)
# gitlog yesterday = all commits yesterday
# gitlog 1 week ago = all commits since a week ago

# Your username
user="Nate"

# Default values if no args are sent
since="$(date +%Y-%m-%d) 00:00"
until=""

# Regex to match 2018-12-20 or 12-20-2018
re_date='(^[0-9]{4}\-[0-9]{1,2}\-[0-9]{1,2}$)|(^[0-9]{1,2}\-[0-9]{1,2}\-[0-9]{4}$)'

# Regex to match 5, 15, or 150
re_hours='^[0-9]{1,3}$'

# Concatenate all args into single string (to allow for "1 week ago" without quotes)
args="$*"

# replace / with - for alternate date formats e.g. 11/28/2020
args=${args//\//\-} 

if [ -n "$args" ]
then
	if [[ $args =~ $re_date ]]
	then
		echo "Log for $args (also in clipboard):"
		since="$args 00:00"
		until="$args 23:59"
	elif [[ $args =~ $re_hours ]]
	then
		echo "Log for last $args hours (also in clipboard):"
		since="$args.hours.ago"
	elif [[ $args == "yesterday" ]]
	then
		until="$(date +%Y-%m-%d) 00:00"
		echo "Log for $args (also in clipboard):"
		since="$(date -v-1d +%F) 00:00"
	else
		echo "Log since $args (also in clipboard):"
		since="$args"
	fi
else
	# default
	echo "Log for today (also in clipboard):"
fi
echo "----"
echo $args
echo $since
echo $until

# Store output to var so we can spit it out to console then shove it in the clipboard
OUTPUT=$(git log --author=$user --since="$since" --until="$until" --all-match --format="%s" | sed "/Merge branch/d" | sed "/^compiled assets$/d" | sed "/^pedant$/d" | sed "/^typo$/d" | tail -r | tr "\n" "😂" | sed -e "s/😂/; /g" | sed -e "s/; $//g" | perl -pe 's/(; \d+\.\d+\.\d+)//g')
echo $OUTPUT
echo $OUTPUT | tr -d '\n' | pbcopy