install.sh

#!/bin/bash
set -euo pipefail
IFS=$'\n\t'

DOTFILES=$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")

function make:clean (){
    find "${HOME}" -type l -print0 |
        while IFS= read -r -d $'\0' file; do
            if [[ $(readlink -f "${file}") == ${DOTFILES}* ]]; then
                rm -f "${file}"
            fi
        done
}


function make:dir () {
    for d in "$@"; do
        mkdir -p "${HOME}/${d}"
    done
}


function make:link () {
    local src="${DOTFILES}/${1}"
    local dst="${HOME}/${2}"
    ln -snf "${src}" "${dst}"
}


function git:clone () {
    local repo="${1}"
    local dest="${HOME}/${2}"
    if [[ -d $dest ]]; then
        pushd "${dest}"
        git pull --tags --prune
        popd
    else
        git clone "${repo}" "${dest}"
    fi
}


function setup:vim () {
    make:dir    .vim
    make:link   vim/vimrc       .vim/
    make:link   vim/ftplugin    .vim/
    make:link   vim/snippets    .vim/

    local src="https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim"
    local dst="${HOME}/.vim/autoload/plug.vim"
    curl --silent --fail --location\
         --create-dirs --output "${dst}"\
         "${src}"
    vim -e +PlugInstall +qa 2>/dev/null || true
}


function main () {
    cd "${DOTFILES}"
    make:clean
    ln -snf /dev/null "${HOME}/.xsession-errors"

    make:dir .cache .config .local/bin

    make:link ackrc             .config/
    make:link bash              .config/
    make:link bash/bashrc       .bashrc
    make:link bc                .config/
    make:link git               .config/
    make:link inputrc           .config/
    make:link mpv               .config/
    make:link profile           .profile
    make:link tmux.conf         .tmux.conf

    setup:vim
}

main