#!/usr/bin/env bash

if [ -z "$1" ]
then
	echo "usage: install.sh <file.nix>"
	exit 1
fi

echo "Symlinking directories"

mkdir -p ~/.config/nixpkgs

NIXDIR="$HOME/.config/nixpkgs"

HOMEFILE="$NIXDIR/home.nix"
NIXFILE="$(pwd)/$1"

[[ -e "$HOMEFILE" ]] || ln -s "$NIXFILE" "$HOMEFILE"
[[ -e "$NIXDIR/config.nix" ]] || ln -s "$(pwd)/lib/config.nix" "$NIXDIR/config.nix"

# The notmuch config location is by default ~/.notmuch-config, but home-manager
# puts it at ~/.config/notmuch/notmuchrc (which makes sense) and then sets
# NOTMUCH_CONFIG. However, if a program for some reason doesn't read
# NOTMUCH_CONFIG (emacs), then it won't find the right config file, so I
# override with a symlink.
#
mkdir -p ~/.config/notmuch
[[ -e ~/.notmuch-config ]] || ln -s ~/.config/notmuch/notmuchrc ~/.notmuch-config


# Symlinking must occur before initial generation
#
nix-shell ./home-manager -A install