Add standard packaging

.gitignore

@@ -2,6 +2,7 @@
 .deps/
 Makefile
 Makefile.in
+VERSION
 aclocal.m4
 autom4te.cache/
 compile
@@ -15,3 +16,4 @@ depcomp
 ejq
 install-sh
 missing
+packaging/rpm/ejq.spec

COPYING

@@ -1,4 +1,4 @@
-Copyright (c) 2023 Paul Arthur MacIain
+Copyright (c) 2023-2024 Paul Arthur MacIain
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

Makefile.am

@@ -3,3 +3,8 @@ AM_CFLAGS = -Wall
 bin_PROGRAMS = ejq
 
 ejq_SOURCES = json.c json.h json-selector.c json-selector.h ejq.c
+
+EXTRA_DIST = VERSION packaging/rpm/ejq.spec
+
+rpm: dist-xz
+	rpmbuild -ta $(distdir).tar.xz

configure.ac

@@ -1,9 +1,9 @@
-AC_INIT([easy-json-q], [0.1], [[email protected]])
+AC_INIT([ejq], m4_esyscmd([bash version.sh]), [[email protected]])
 AM_INIT_AUTOMAKE([-Wall -Werror foreign no-dist-gzip dist-xz])
 
 AC_PROG_CC
 AC_PROG_CC_C99
 AC_PROG_INSTALL
 
-AC_CONFIG_FILES([Makefile])
+AC_CONFIG_FILES([Makefile packaging/rpm/ejq.spec])
 AC_OUTPUT

packaging/rpm/ejq.spec.in

@@ -0,0 +1,31 @@
+Summary:        A more performant jq alternative for simple cases
+Name:           @PACKAGE_NAME@
+Version:        @PACKAGE_VERSION@
+Release:        1%{?dist}
+License:        MIT AND BSD-2-Clause
+URL:            https://flowerysong.com/
+Source0:        %{name}-%{version}.tar.xz
+BuildRequires:  autoconf
+BuildRequires:  automake
+BuildRequires:  gcc
+BuildRequires:  make
+
+%description
+A simple CLI wrapper around James Barford's easy-json library.
+
+%prep
+%autosetup -n %{name}-%{version} -p1
+
+%build
+%configure
+%make_build
+
+%install
+%make_install
+
+%files
+%{_bindir}/ejq
+
+%changelog
+* %(date "+%a %b %d %Y") (Automated RPM build) - %{version}-%{release}
+- See git log for actual changes.

version.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+if [ -d .git ]; then
+    git describe --tags | perl -pe 'chomp; s/-/./; s/-.*//' | tee VERSION
+elif [ -s VERSION ]; then
+    cat VERSION
+else
+    echo -n UNKNOWN
+fi