Makefile: Use install(1) instead of cp(1)

Makefile

@@ -38,12 +38,12 @@ yukictl:
 
 deb_dir := $(shell mktemp -d)
 deb: | yukid yukictl
-	mkdir -p $(addprefix $(deb_dir)/, DEBIAN etc/bash_completion.d etc/yuki lib/systemd/system usr/local/bin)
-	cp etc/daemon.example.toml $(deb_dir)/etc/yuki
-	cp etc/yukid.service $(deb_dir)/lib/systemd/system
-	cp yukid yukictl $(deb_dir)/usr/local/bin
+	install -Dm644 etc/daemon.example.toml -t $(deb_dir)/etc/yuki
+	install -Dm644 etc/yukid.service -t $(deb_dir)/lib/systemd/system
+	install -Dm755 yukid yukictl -t $(deb_dir)/usr/local/bin
 	ln -s yukictl $(deb_dir)/usr/local/bin/yuki
+	install -d $(addprefix $(deb_dir), /etc/bash_completion.d /DEBIAN)
 	$(deb_dir)/usr/local/bin/yukictl completion bash > $(deb_dir)/etc/bash_completion.d/yukictl
-	sed "s/\$$VERSION\>/$(version)/g;s/^Version: v/Version: /g;s/\$$ARCH\>/$(shell go env GOARCH)/g" \
+	sed "s/\$$VERSION\>/$(version:v%=%)/g;s/\$$ARCH\>/$(shell go env GOARCH)/g" \
 		etc/debian-control > $(deb_dir)/DEBIAN/control
 	dpkg-deb --root-owner-group --build -Zxz $(deb_dir) .