new_proj

#!/bin/bash -e
shopt -s dotglob extglob

function ask_yn() {
    local ans

    printf '%s (N/y) ' "$1" >&2
    read -r ans
    case "${ans,,}" in
        y*) return 0 ;;
         *) return 1 ;;
    esac
}

function usage() {
    printf '%s\n' \
        'USAGE' \
        '    ./new_proj name [repo]' \
        'name: the name of the project and the folder' \
        'repo: the URL to the repo'
    exit 1
}

if [ -t 1 ]; then
    BOLD=$'\e[1m'
    NORMAL=$'\e[0m'
fi

SRC="$(dirname "$0")/repo"
NAME="$1"
REPO="$2"

case "$NAME" in
    '-h'|'--help'|'') usage ;;
    *) ;;
esac

read -ra FILES < <(echo "$NAME"/!(.|..|.git))
if [ -n "${FILES[*]}" ]; then
    if ask_yn "$NAME exists. Replace?"; then
        echo "${BOLD}REMOVE${NORMAL}"
        rm -rfv "${FILES[@]}"
    else
        exit
    fi
fi

echo "${BOLD}COPY${NORMAL}"
mkdir -pv "$NAME"
cp -rfv "$SRC"/* "$NAME"

YEAR="$(date '+%Y')"
echo "${BOLD}REPLACING PROJECT NAME${NORMAL}"
find "$NAME" -type f ! -path "$NAME/.git/*" -print -exec sed -i \
        -e "s/{{PROJ}}/$NAME/g" \
        -e "s/{{PROJ_UP}}/${NAME^^}/g" \
        -e "s/{{YEAR}}/$YEAR/g" \
    '{}' +

if [ -n "$REPO" ]; then
    echo "${BOLD}INIT GIT${NORMAL}"
    (cd "$NAME"
        git init
        git remote remove origin 2> /dev/null || true
        git remote add origin "$REPO"
        git branch -m main
        git add .
        git commit -m 'Initial commit'
        git branch --set-upstream-to=origin/main main
    )
fi

echo "${BOLD}DONE${NORMAL}"