#!/bin/sh

# usage:
#
# sudo ./install
# sudo ./install gentoo
#
# env vars:
#
# VERSION_CONTROL
# SIMPLE_BACKUP_SUFFIX
#
# see man install(1)

set -eu

REPO="$(dirname "$(realpath "$0")")"

PREFIX="${1:-''}"

install_file() {
    owner="$1"
    group="$2"
    mode="$3"
    path="$4"
    prefix="$5"

    echo install -b -o "$owner" -g "$group" -m "$mode" "$REPO/$prefix$path" "$path"
         install -b -o "$owner" -g "$group" -m "$mode" "$REPO/$prefix$path" "$path"
}

install_dir() {
    owner="$1"
    group="$2"
    mode="$3"
    path="$4"

    echo install -o "$owner" -g "$group" -m "$mode" -d "$path"
         install -o "$owner" -g "$group" -m "$mode" -d "$path"
}

install_file root root    644 '/etc/tmux.conf'                            common
echo
install_dir  root root    755 '/etc/vim'
install_file root root    644 '/etc/vim/vimrc.local'                      common
echo
install_dir  root root    755 '/etc/fish'
install_dir  root root    755 '/etc/fish/conf.d'
install_dir  root root    755 '/etc/fish/functions'
install_file root root    644 '/etc/fish/config.fish'                     common
install_file root root    644 '/etc/fish/conf.d/rvm.fish'                 common
install_file root root    644 '/etc/fish/functions/fish_prompt.fish'      common
install_file root root    644 '/etc/fish/functions/prompt_user_host.fish' common
install_file root root    644 '/etc/fish/functions/rvm.fish'              common

if [ "$PREFIX" = 'gentoo' ]; then
echo
install_file root root    644 '/etc/conf.d/display-manager'               gentoo
install_file root root    644 '/etc/env.d/90xsession'                     gentoo
install_file root portage 644 '/var/lib/portage/world'                    gentoo
echo
install_dir  root root    755 '/etc/portage/package.accept_keywords'
install_dir  root root    755 '/etc/portage/package.mask'
install_dir  root root    755 '/etc/portage/package.use'
install_file root root    644 '/etc/portage/make.conf'                    gentoo
install_file root root    644 '/etc/portage/package.license'              gentoo
install_file root root    644 '/etc/portage/package.accept_keywords/package.accept_keywords' gentoo
install_file root root    644 '/etc/portage/package.mask/toolchains'      gentoo
install_file root root    644 '/etc/portage/package.use/toolchains'       gentoo
install_file root root    644 '/etc/portage/package.use/zz-autounmask'    gentoo
fi