Dotfile manager script

dots

#! /bin/bash
# ----------
# Initialise and manage your dotfiles using a ~/.dots repo
# restore using `git clone --bare <remote-repo>`

dot_dir=".dots"
dot_dot_file=".my-dots"
_dots="git --git-dir=$HOME/$dot_dir/ --work-tree=$HOME"
extra_args=""
add_remote=false
passthrough=true

GREEN='\033[0;32m'
NC='\033[0m' # No Color

while (( $# )); do
    arg="$1"
    shift
    case ${arg} in
        init)
            current_dir=$(pwd)
            echo -e "${GREEN}Initialising ~/$dot_dir repo...${NC}"
            cd "$HOME"
            mkdir $dot_dir
            git init --bare "$HOME"/$dot_dir
            $_dots config status.showUntrackedFiles no
            echo -e "${GREEN}Creating ~/$dot_dot_file...${NC}"
            touch ~/$dot_dot_file
            echo $dot_dot_file >> ~/$dot_dot_file
            cd "$current_dir"
            echo -e "${GREEN}Done${NC}"
            passthrough=false
            ;;
        update)
            current_dir=$(pwd)
            echo -e "${GREEN}Updating dotfiles found in ~/$dot_dot_file...${NC}"
            cd "$HOME"
            $_dots add $(cat "$HOME"/$dot_dot_file | tr '\n' ' ')
            $_dots commit -m"Updating dots: $(date)"
            cd "$HOME"/$dot_dir
            has_remote=$(git remote show)
            echo $has_remote
            cd "$HOME"
            if [[ "$has_remote" != "" ]]; then
                echo -e "${GREEN}Pushing dots to the remote repo...${NC}"
                $_dots push
            fi
            echo -e "${GREEN}Done${NC}"
            cd "$current_dir"
            passthrough=false
            ;;
        remote)
            add_remote=true
            ;;
        *)
            extra_args="$extra_args $arg"
    esac
done

if [ "$passthrough" = true ]; then
    # Restore all other args as positional args so that
    # they can be passed on to git
    set -- $extra_args $@

    # Adding the remote repo is a special case
    if [ "$add_remote" = true ]; then
        echo -e "${GREEN}Adding remote repo: $1 ...${NC}"
        $_dots remote add origin "$1"
        echo -e "${GREEN}Making initial commit...${NC}"
        $_dots push -u origin master
        echo -e "${GREEN}Done${NC}"
    else
        $_dots "$@"
    fi
fi