A scratch script to count commit days

git_report.sh

#!/bin/bash
#Use: report.sh 2020 [email protected]
year=$1
author=$2
with_details=0
git_options=" --oneline --first-parent --reverse --all --branches --date-order --abbrev-commit --date=local --date=short "

for directory in *; do
    if [ -d "${directory}" ] && [ -d "${directory}/.git"  ]; then
        cd $directory
        has_commit=0
        days="$(git log $git_options \
        --since={$year-01-01} \
        --until={$year-12-31} \
        --format="%h %cd %an %s" \
        --author="$author" | cut -d " " -f2-4 | uniq | sort | wc -l)"
        if [ $days -gt 0 ];
            then
            printf "\n\n* Find $days days in $directory:"
            for month in {1..12}
            do
              working_days="$(ncal -m$month | grep -vE '^S|^ |^$' | sed 's/[[:alpha:]]//g' | fmt -w 1 | sort -n | wc -l | sed -e 's/^[[:space:]]*//')"
              last_day_of_month="$(ncal -m$month | grep -vE '^S|^ |^$' | sed 's/[[:alpha:]]//g' | fmt -w 1 | sort -n | sed -e 's/^[[:space:]]*//' | tail -1)"

              from_date="$(echo $year-$month-01 | sed -e 's/^[[:space:]]*//')"
              until_date="$(echo $year-$month-$last_day_of_month | sed -e 's/^[[:space:]]*//')"

              month_days="$(git log $git_options \
                --author=$author \
                --since=$from_date --until=$until_date \
                --pretty='format:%h %cd %an %s' | cut -d " " -f2-4  | uniq | sort | wc -l)"

                if [ $month_days -gt 0 ];
                then
                has_commit=1
                details="$(git log $git_options \
                    --pretty='format:%ad %s' \
                    --since=$from_date \
                    --until=$until_date \
                    --author=$author)"

                printf "\nMonth $month: $month_days/$working_days days" 
               
                if [ with_details = 1 ]; then
                    printf "\n Details: \n$details"
                fi                  
             
                fi  
            done
            if [ has_commit = 0 ]; then
                printf "\nNeither a commit." 
            fi                  
            printf "\n" 
        fi
        cd ..
    fi
done