Added makefile and spec for rpm builds

Makefile

@@ -0,0 +1,74 @@
+VERSION:=$(shell if [ -d .git ]; then bash -c 'gitversion.sh | grep "^MAJOR=" | cut -d = -f 2'; else source version.sh && echo $$MAJOR ; fi)
+RELEASE:=$(shell if [ -d .git ]; then bash -c 'gitversion.sh | grep "^BUILD=" | cut -d = -f 2'; else source version.sh && echo $$BUILD ; fi)
+DISTFILE=./dist/cmdarg-$(VERSION)-$(RELEASE).tar.gz
+SPECFILE=cmdarg.spec
+SRPM=cmdarg-$(VERSION)-$(RELEASE).src.rpm
+ifndef RHEL_VERSION
+	RHEL_VERSION=5
+endif
+RPM=cmdarg-$(VERSION)-$(RELEASE).noarch.rpm
+
+ifndef PREFIX
+	PREFIX=/
+endif
+
+DISTFILE_DEPS=$(shell find . -type f | grep -Ev '\.git|\./dist/|$(DISTFILE)')
+
+all: ./dist/$(RPM)
+
+# --- PHONY targets
+
+.PHONY: clean srpm rpm gitclean dist
+clean:
+	rm -f $(DISTFILE)
+	rm -fr dist/cmdarg-$(VERSION)-$(RELEASE)*
+
+dist: $(DISTFILE)
+
+srpm: ./dist/$(SRPM)
+
+rpm: ./dist/$(RPM) ./dist/$(SRPM)
+
+gitclean:
+	git clean -df
+
+# --- End phony targets
+
+# This was borrowed from distiller, and I think it's to prevent version.sh
+# from updating unnecessarily
+version.sh:
+	if [ ! -d .git ] && [ -f version.sh ]; then echo "No git, keeping old version.sh" ; fi ; \
+	if [ ! -d .git ] && [ ! -f version.sh ]; then echo "No git and no version.sh, you're boned"; exit 1; fi ; \
+	if [ -d .git ] ; then \
+		bash ./gitversion.sh > tmpversion.sh && \
+		VERSIONSHA=$$(openssl sha1 version.sh | cut -d = -f 2) ; \
+		TMPVERSIONSHA=$$(openssl sha1 tmpversion.sh | cut -d = -f 2) ; \
+		if [ ! -e version.sh ] || [ "$$VERSIONSHA" != "$$TMPVERSIONSHA" ]; then \
+			mv tmpversion.sh version.sh; \
+		fi; \
+	fi
+
+$(DISTFILE): version.sh
+	mkdir -p dist/
+	mkdir dist/cmdarg-$(VERSION)-$(RELEASE) || rm -fr dist/cmdarg-$(VERSION)-$(RELEASE)
+	rsync -aWH . --exclude=.git --exclude=dist ./dist/cmdarg-$(VERSION)-$(RELEASE)/
+	cd dist && tar -czvf ../$@ cmdarg-$(VERSION)-$(RELEASE)
+
+./dist/$(SRPM): $(DISTFILE)
+	rm -fr ./dist/$(SRPM)
+	mock --buildsrpm --spec $(SPECFILE) --sources ./dist/ --resultdir ./dist/ --define "version $(VERSION)" --define "release $(RELEASE)"
+
+./dist/$(RPM): ./dist/$(SRPM)
+	rm -fr ./dist/$(RPM)
+	mock -r epel-$(RHEL_VERSION)-noarch ./dist/$(SRPM) --resultdir ./dist/ --define "version $(VERSION)" --define "release $(RELEASE)"
+
+uninstall:
+	rm -f $(PREFIX)/usr/lib/cmdarg.sh
+
+
+install:
+	mkdir -p $(PREFIX)/usr/lib
+	install ./cmdarg.sh $(PREFIX)/usr/lib/cmdarg.sh
+
+MANIFEST:
+	echo /usr/lib/cmdarg.sh > MANIFEST