shoestrap/assets/default/bin/git-monthly

#! /bin/bash

##########################
# Author: ViViDboarder
# Returns a git log of any commits in the current or given month
##########################

month=$1
year=$2

if [ -z "$month" ]; then
    echo "usage: git-monthly <month> <year>"
    echo "eg: git-monthly 4 2019"
    exit 1
fi

if [[ "$month" == "" ]]; then
    # Get the current month
    month=$(date "+%m")
fi

if [[ "$year" == "" ]]; then
    # Get the current year
    year=$(date "+%Y")
fi

# Get the next month
if [[ "$month" == "12" ]]; then
    # If December, loop to Jan of next year
    nmonth="1"
    nyear=$((year + 1))
else
    # Otherwise, next month of this year
    nmonth=$((month + 1))
    nyear=$year
fi

# Get the git log between the target month and the next month
git log --before="{${nyear}-${nmonth}-1}" --after="{${year}-${month}-1}"