build: refactor makefile to be gnu compatible

Makefile

@@ -1,42 +1,42 @@
-ifeq ($(CARGO_PKG_VERSION),)
-    CARGO_PKG_VERSION := 0.0.0
-endif
+SHELL := /bin/sh
 
-ifeq ($(APP_NAME),)
-	APP_NAME := feddy
-endif
+PROJECT ?= $(shell grep "^name =" Cargo.toml | cut -d '"' -f 2)
+VERSION ?= $(shell grep "^version =" Cargo.toml | cut -d '"' -f 2)
 
-build: clean
+-include Makefile.config
+
+INSTALL ?= install
+INSTALL_PROGRAM ?= $(INSTALL) -m 755
+INSTALL_DATA ?= $(INSTALL) -m 644
+
+.PHONY: build format rpm install uninstall
+
+build:
 	cargo build --release
-	./target/release/$(APP_NAME) --generate=bash > completions.bash
-	./target/release/$(APP_NAME) --generate=zsh > completions.zsh
-	./target/release/$(APP_NAME) --generate=fish > completions.fish
-
-clean:
-	rm -f completions.bash
-	rm -f completions.zsh
-	rm -f completions.fish
 
 format:
 	cargo fmt --all
 
-# PREFIX is environment variable, but if it is not set, then set default value
-ifeq ($(PREFIX),)
-    PREFIX := /usr/local
-endif
+rpm:
+	rm -rf $(HOME)/rpmbuild
+	rpmdev-setuptree
+	tar -czf $(HOME)/rpmbuild/SOURCES/$(PROJECT)-$(VERSION).tar.gz \
+		--transform "s|^|$(PROJECT)-$(VERSION)/|" \
+		data \
+		src \
+		Cargo.toml \
+		Cargo.lock \
+		configure \
+		Makefile \
+		README.md \
+		LICENSE
+
+	cp $(PROJECT).spec $(HOME)/rpmbuild/SPECS/$(PROJECT).spec
+	rpmbuild -ba $(HOME)/rpmbuild/SPECS/$(PROJECT).spec
 
 install:
-	install -d $(PREFIX)/bin/
-	install -m 755 target/release/$(APP_NAME) $(PREFIX)/bin/
-	install -d /usr/share/bash-completion/completions/
-	install -m 644 completions.bash /usr/share/bash-completion/completions/$(APP_NAME)
-	install -d /usr/share/zsh/site-functions/
-	install -m 644 completions.zsh /usr/share/zsh/site-functions/_$(APP_NAME)
-	install -d /usr/share/fish/vendor_completions.d/
-	install -m 644 completions.fish /usr/share/fish/vendor_completions.d/$(APP_NAME).fish
+	$(INSTALL) -d $(DESTDIR)$(bindir)
+	$(INSTALL_PROGRAM) target/release/$(PROJECT) $(DESTDIR)$(bindir)/$(PROJECT)
 
 uninstall:
-	rm -f $(PREFIX)/bin/$(APP_NAME)
-	rm -f /usr/share/bash-completion/completions/$(APP_NAME)
-	rm -f /usr/share/zsh/site-functions/_$(APP_NAME)
-	rm -f /usr/share/fish/vendor_completions.d/$(APP_NAME).fish
+	rm -f $(DESTDIR)$(bindir)/$(PROJECT)