Makefile


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# Inspired from
# `info make`
# MIT https://git.suckless.org/dwm
# GPL-2.0-or-later https://git.joeyh.name/index.cgi/moreutils.git/tree/Makefile

# For a comment inside a Makefile recipe not to echo itself on terminal, put # at very first character
# For a command not to echo itself, prefix @ to the command
# https://unix.stackexchange.com/a/740226/459013

# SH = $(wildcard sh/*) will print filenames with sh/ dir (more about wildcard see `info make` )
# - more make commands maybe able to substitute it to only basename, maybe see https://stackoverflow.com/a/14447924
# I use `find sh -type f -printf '%f '` which only prints basename
# - note: "SH = $$(...)" seems replace ${SH} with $(...), so everytime I use ${SH}, shell command in $(...) is run once, which is not ideal
# - so I use "SH = $(shell ...)" to only run it once when assign variable
# alternative: `find sh -type f -execdir basename -a '{}' \+`
# busybox find does not support -printf and -execdir, so here's another alternative: `find sh -type f -exec basename -a '{}' \+`
# about $$: https://stackoverflow.com/q/28533059
SH = $(shell find sh -type f -printf '%f ')
PACMAN_HOOKS = $(shell find pacman_hooks -type f -printf '%f ')
PREFIX = /usr/local

install:
	mkdir -p ${DESTDIR}${PREFIX}/bin
#	Another way would be define and use INSTALL INSTALL_PROGRAM INSTALL_DATA instead of use `cp -f` or `install` directly, see `info make`
	for i in ${SH}; do cp -f sh/$$i ${DESTDIR}${PREFIX}/bin; done
	mkdir -p ${DESTDIR}${PREFIX}/share/libalpm/hooks
#	/usr/local/share/libalpm/hooks default does not work, need to change pacman.conf
	for i in ${PACMAN_HOOKS}; do cp -f pacman_hooks/$$i ${DESTDIR}${PREFIX}/share/libalpm/hooks; done

uninstall:
	for i in ${SH}; do rm -f ${DESTDIR}${PREFIX}/bin/$$i; done
	for i in ${PACMAN_HOOKS}; do rm -f ${DESTDIR}${PREFIX}/share/libalpm/hooks/$$i; done
#	RM is default to `rm -f`, see `info make`
#	for i in ${SH}; do ${RM} ${DESTDIR}${PREFIX}/bin/$$i; done

.PHONY: install uninstall