#!/bin/bash
# Installs nginx-cn into the configured PREFIX.
#
# N.B: We do not use nginx's `make install` because it's very very bad
# and it overwrites $PREFIX/etc unconditionally. It's bad design choice,
# and I personally do not like it.

. ./config

# Check for the install prefix directory. If it doesn't exist,
# then a build likely hasn't been done, so we can't proceed.
[[ ! -d "${INSTALL_PREFIX}" ]] && {
	echo "You haven't built nginx-cn yet. Do so with ./build"
	exit 1
}

# We're replacing an existing installation.
# Make sure not to overwrite a user's existing configuration
[[ -d "${PREFIX}/etc/nginx" ]] && {
	echo "You seem to have a configuration in your PREFIX."
	echo "I will not touch it."

	# Remove old files and replace them with the install prefix versions
	rm -rf ${PREFIX}/{bin,lib,share}
	cp -r ${INSTALL_PREFIX}/bin ${PREFIX}/bin
	cp -r ${INSTALL_PREFIX}/lib ${PREFIX}/lib
	cp -r ${INSTALL_PREFIX}/share ${PREFIX}/share
}

# A new installation.
# We SHOULD copy over the configuration now.
[[ ! -d "${PREFIX}" ]] && {
	mkdir -p ${PREFIX} ${PREFIX}/etc/nginx
	cp -r ${INSTALL_PREFIX}/bin ${PREFIX}/bin
	cp -r ${INSTALL_PREFIX}/lib ${PREFIX}/lib
	cp -r ${INSTALL_PREFIX}/share ${PREFIX}/share
	cp -r ${TOP}/conf ${PREFIX}/etc/nginx/
}

echo "nginx-cn has been installed/updated."