xpadneo, installer: Support installing documentation

Signed-off-by: Kai Krakow <[email protected]>

Makefile

@@ -1,7 +1,10 @@
 ETC_PREFIX ?= /etc
+DOC_PREFIX ?= /usr/share/doc/xpadneo
 
 MODPROBE_CONFS := xpadneo.conf
 UDEV_RULES := 60-xpadneo.rules 70-xpadneo-disable-hidraw.rules
+DOC_SRCS := NEWS.md $(wildcard docs/[0-9A-Z]*.md)
+DOCS := $(notdir $(DOC_SRCS))
 
 ifeq ($(PREFIX),)
   DKMS ?= dkms
@@ -16,11 +19,12 @@ help:
 	@echo "Targets:"
 	@echo "help        This help"
 	@echo "build       Prepare the package for DKMS deployment"
-	@echo "install     Install the package and DKMS source code"
-	@echo "uninstall   Uninstall the package and DKMS source code"
+	@echo "install     Install the package, documentation and DKMS source code"
+	@echo "uninstall   Uninstall the package, documentation and DKMS source code"
 	@echo
 	@echo "Variables:"
 	@echo "PREFIX      Install files into this prefix"
+	@echo "DOC_PREFIX  Install doc files relative to the prefix (defaults to /usr/share/doc/xpadneo)"
 	@echo "ETC_PREFIX  Install etc files relative to the prefix (defaults to /etc)"
 	@echo
 	@echo "Using PREFIX requires handling dkms commands in your package script."
@@ -36,15 +40,16 @@ build: VERSION
 	$(MAKE) VERSION="$(shell cat VERSION)" -C hid-xpadneo dkms.conf
 
 install: build
-	mkdir -p $(PREFIX)$(ETC_PREFIX)/modprobe.d $(PREFIX)$(ETC_PREFIX)/udev/rules.d
+	mkdir -p $(PREFIX)$(ETC_PREFIX)/modprobe.d $(PREFIX)$(ETC_PREFIX)/udev/rules.d $(PREFIX)$(DOC_PREFIX)
 	install -D -m 0644 -t $(PREFIX)$(ETC_PREFIX)/modprobe.d $(MODPROBE_CONFS:%=hid-xpadneo/etc-modprobe.d/%)
 	install -D -m 0644 -t $(PREFIX)$(ETC_PREFIX)/udev/rules.d $(UDEV_RULES:%=hid-xpadneo/etc-udev-rules.d/%)
+	install -D -m 0644 -t $(PREFIX)$(DOC_PREFIX) $(DOC_SRCS)
 	$(DKMS) add hid-xpadneo
 
 uninstall: VERSION
 	$(DKMS) remove "hid-xpadneo/$(shell cat VERSION)" --all
 	rm -Rf "$(PREFIX)/usr/src/hid-xpadneo-$(shell cat VERSION)"
-	rm -f $(PREFIX)$(UDEV_RULES:%=$(ETC_PREFIX)/udev/rules.d/%)
+	rm -f $(DOCS:%=$(PREFIX)$(DOC_PREFIX)/%)
 	rm -f $(UDEV_RULES:%=$(PREFIX)$(ETC_PREFIX)/udev/rules.d/%)
 	rm -f $(MODPROBE_CONFS:%=$(PREFIX)$(ETC_PREFIX)/modprobe.d/%)
-	rmdir --ignore-fail-on-non-empty -p $(PREFIX)$(ETC_PREFIX)/modprobe.d $(PREFIX)$(ETC_PREFIX)/udev/rules.d
+	rmdir --ignore-fail-on-non-empty -p $(PREFIX)$(ETC_PREFIX)/modprobe.d $(PREFIX)$(ETC_PREFIX)/udev/rules.d $(PREFIX)$(DOC_PREFIX)

docs/PACKAGING.md

@@ -85,6 +85,10 @@ Makefile:7: Installing to prefix, dkms commands will not be run!
 : SKIPPING dkms add hid-xpadneo
 ```
 
+Documentation will be installed to `DOC_PREFIX` and follows the same rules as
+above. Default location is `/usr/share/doc/xpadneo`. Some distributions may
+want to override this with a versioned path.
+
 
 ### Uninstallation