scoutfs-utils: add rpm build make dist helpers

Add make targets to build a spec file and tarball with a version based
on a git tag.

Signed-off-by: Zach Brown <zab@versity.com>

utils/.gitignore

@@ -5,3 +5,5 @@ src/scoutfs
 .sparse*
 .mock.build*
 cscope.*
+scoutfs-utils.spec
+scoutfs-utils-*.tar

utils/Makefile

@@ -33,6 +33,22 @@ $(BIN): $(OBJ)
 	$(QU)  [SP $<]
 	$(VE)./sparse.sh -Wbitwise -D__CHECKER__ $(CFLAGS) $<
 
-.PHONY: clean
+.PHONY: .FORCE
+
+# - We use the git describe from tags to set up the RPM versioning
+RPM_VERSION := $(shell git describe --long --tags | awk -F '-' '{gsub(/^v/,""); print $$1}')
+RPM_GITHASH := $(shell git rev-parse --short HEAD)
+
+%.spec: %.spec.in .FORCE
+	sed -e 's/@@VERSION@@/$(RPM_VERSION)/g' \
+	    -e 's/@@GITHASH@@/$(RPM_GITHASH)/g' < $< > $@+
+	mv $@+ $@
+
+TARFILE = scoutfs-utils-$(RPM_VERSION).tar
+
+dist: $(RPM_DIR) scoutfs-utils.spec
+	git archive --format=tar --prefix scoutfs-utils-$(RPM_VERSION)/ HEAD^{tree} > $(TARFILE)
+	@ tar rf $(TARFILE) --transform="s@\(.*\)@scoutfs-utils-$(RPM_VERSION)/\1@" scoutfs-utils.spec
+
 clean:
 	@rm -f $(BIN) $(OBJ) $(DEPS) .sparse.*

utils/scoutfs-utils.spec.in

@@ -0,0 +1,66 @@
+%define pkg_version @@VERSION@@
+%define pkg_git_hash @@GITHASH@@
+%define pkg_date %(date +%%Y%%m%%d)
+
+%{!?_release: %global _release 0.%{pkg_date}git%{pkg_git_hash}}
+
+Name:           scoutfs-utils
+Summary:        scoutfs user space utilities
+Version:        %{pkg_version}
+Release:        %{_release}%{?dist}
+License:        GPLv2
+Group:          System Environment/Base
+URL:            http://scoutfs.org/
+
+BuildRequires:  git
+BuildRequires:  gzip
+BuildRequires:  libuuid-devel
+BuildRequires:  openssl-devel
+
+#Requires:	kmod-scoutfs = %{version}
+
+Source:		scoutfs-utils-%{pkg_version}.tar
+
+# Disable the building of the debug package(s).
+%define debug_package %{nil}
+
+%description
+scoutfs - user space utilities
+
+%package -n scoutfs-devel
+Summary:        scoutfs devel headers
+Version:        %{pkg_version}
+Release:        %{_release}%{?dist}
+License:        GPLv2
+Group:          Development/Libraries
+URL:            http://scoutfs.org/
+
+%description -n scoutfs-devel
+scoutfs - development headers
+
+%prep
+%setup -q -n scoutfs-utils-%{pkg_version}
+
+%build
+make
+gzip man/*.7
+
+%install
+mkdir -p $RPM_BUILD_ROOT%{_mandir}/man7
+cp man/*.7.gz $RPM_BUILD_ROOT%{_mandir}/man7/.
+install -m 755 -D src/scoutfs $RPM_BUILD_ROOT%{_sbindir}/scoutfs
+install -m 644 -D src/ioctl.h $RPM_BUILD_ROOT%{_includedir}/scoutfs/ioctl.h
+install -m 644 -D src/format.h $RPM_BUILD_ROOT%{_includedir}/scoutfs/format.h
+
+%files
+%defattr(644,root,root,755)
+%{_mandir}/man7/scoutfs-corruption.7.gz
+%{_sbindir}/scoutfs
+
+%files -n scoutfs-devel
+%defattr(644,root,root,755)
+%{_includedir}/scoutfs
+
+%clean
+rm -rf %{buildroot}
+