ifeq ($(shell id -u),0)
SUDO =
else
SUDO = sudo
endif

ROOT_INSTALL = $(SUDO) install

USER != echo "$${SUDO_USER:-$$(id -un)}"

SSH_CONFIG_DIR = /etc/ssh
SSHD_CONFIG_DIR = $(SSH_CONFIG_DIR)/sshd_config.d
SSH_LIB_DIR = /usr/lib/ssh
USER_SSH_CONFIG_DIR = ~$(USER)/.ssh

.PHONY: install shared doc test

shared: install
	git config core.self-forge true

SRC = src
SOURCES = $(addprefix $(SRC), AnonymousAccessCommand anonymous-access.conf AuthorizedKeysCommand)

install:
	install -t $(USER_SSH_CONFIG_DIR) $(SRC)/AnonymousAccessCommand
	$(ROOT_INSTALL) -d "$(SSH_CONFIG_DIR)" "$(SSHD_CONFIG_DIR)" "$(SSH_LIB_DIR)" || true
	$(ROOT_INSTALL) -m0644 -t "$(SSHD_CONFIG_DIR)" $(SRC)/anonymous-access.conf || true
	$(ROOT_INSTALL)        -t "$(SSH_LIB_DIR)" $(SRC)/AuthorizedKeysCommand || true
	[ -e "$(SSH_LIB_DIR)"/AuthorizedKeysCommand ] || $(SUDO) ln -s -t /etc/ssh "$(SSH_LIB_DIR)"/AuthorizedKeysCommand

doc: README.html

README.html: README.md
	pandoc -t html $< > $@

test:
	make -C test