HandmadeHero to git

hh_to_git.sh

#!/bin/bash

# This script makes a HandmadeHero directory and populates it as a git repo with the supplied .zip file.
# Example: ./hh_to_git.sh handmade_hero_065_source.zip

args=("$@")

if [ ${#args[@]} -ne 1 ]
then
    echo "Need one argument: the source zip file."
    exit
fi

source=${args[0]}

repo="HandmadeHero"
last_day=0

if [[ ! -d "$repo" || ! -d "$repo/.git" ]]
then
    mkdir -p "$repo"
    cd "$repo"
    git init
    echo "sources/" > .gitignore
else
    cd "$repo"
    last_tag=$(git tag | sort | tail -n 1)
    if [ ! -z "$last_tag" ] 
    then
        last_day="${last_tag:3:3}"
    fi
fi

unzip -o "$source" -d ./sources

folders="$(ls "./sources" | sort)"

while read -r folder; do
    base=$(basename "$folder")
    day="${base:18:3}"
    
    if ! [[ "$base" =~ ^handmade_hero* ]]
    then
        echo "Skipping $base"
        continue
    fi

    if [ "$day" -gt "$last_day" ]
    then

        echo "Processing $folder"
        tag="day$day"

        unzip -o "./sources/$folder"
        git add .
        git commit -am "Importing code for day $day" && git tag "$tag"
    fi
done <<< "$folders"