#!/bin/sh
# Linux-only. Deploys the shared Lua library, builds+installs the native
# exec module, copies service definitions into place, and compiles the
# s6-rc database.
#
# NOT run this session -- no s6/s6-rc install available to test against.
# Reviewed by inspection only; exercise for real on the target (the Arch
# WSL distro is the recommended first target, see docs/CONVENTIONS.md)
# before trusting it.
set -e

PREFIX=${PREFIX:-/usr/local}
LUA_VERSION=${LUA_VERSION:-5.4}
SERVICE_SRC=${SERVICE_SRC:-/etc/s6/sv}
SERVICE_COMPILED=${SERVICE_COMPILED:-/etc/s6-rc/compiled}

repo_root=$(cd "$(dirname "$0")/.." && pwd)

echo "==> installing shared Lua library"
install -Dm644 "$repo_root/src/lua/s6lua.lua" \
	"$PREFIX/share/lua/$LUA_VERSION/s6lua.lua"

echo "==> building + installing native exec module"
make -C "$repo_root/src/native" LUA_VERSION="$LUA_VERSION" PREFIX="$PREFIX" install

echo "==> installing service definitions to $SERVICE_SRC"
mkdir -p "$SERVICE_SRC"
cp -a "$repo_root"/services/. "$SERVICE_SRC"/

echo "==> compiling s6-rc database"
rm -rf "$SERVICE_COMPILED.new"
s6-rc-compile "$SERVICE_COMPILED.new" "$SERVICE_SRC"
mv "$SERVICE_COMPILED.new" "$SERVICE_COMPILED"

echo "done. Boot-test the 'boot' bundle before enabling 'graphical'."