genrpm changes (#1292)

* auto select latest version

* bash-completion comes with version 2.6.0

* version greater than 2.6.2 need submodules packed

* adjust version check order

rpm/SPECS/shadowsocks-libev.spec.in

@@ -1,3 +1,6 @@
+%bcond_with completion
+
+
 Name:		shadowsocks-libev
 Version:	VERSION
 Release:	1%{?dist}
@@ -73,8 +76,11 @@ install -m 644 %{_builddir}/%{buildsubdir}/debian/shadowsocks-libev.service %{bu
 install -m 644 %{_builddir}/%{buildsubdir}/debian/shadowsocks-libev-*.service %{buildroot}%{_unitdir}/
 %endif
 install -m 644 %{_builddir}/%{buildsubdir}/debian/config.json %{buildroot}%{_sysconfdir}/shadowsocks-libev/config.json
+
+%if %{with completion}
 mkdir -p %{buildroot}%{_datadir}/bash-completion/completions/
 install -m 644 %{_builddir}/%{buildsubdir}/completions/bash/* %{buildroot}%{_datadir}/bash-completion/completions/
+%endif
 
 %pre
 %if 0%{?use_systemd} && 0%{?suse_version}
@@ -126,7 +132,9 @@ fi
 %{_bindir}/*
 %{_libdir}/*.so.*
 %config(noreplace) %{_sysconfdir}/shadowsocks-libev/config.json
+%if %{with completion}
 %{_datadir}/bash-completion/completions/*
+%endif
 %doc %{_mandir}/*
 %if ! 0%{?use_systemd}
 %{_initddir}/shadowsocks-libev

rpm/genrpm.sh

@@ -1,20 +1,28 @@
 #!/usr/bin/env bash
 set -e
 
+g_version=$(git tag -l v* | sort --version-sort | tail -1)
+g_version=${g_version#"v"}
+
 show_help()
 {
     echo -e "`basename $0`  [option] [argument]"
     echo
     echo -e "Options:"
     echo -e "  -h    show this help."
-    echo -e "  -v    with argument version (3.0.2 by default)."
-    echo -e "  -f    with argument format (tar.xz by default) used by git archive."
+    echo -e "  -v    with argument version (${g_version} by default)."
+    echo -e "  -f    with argument format (tar.gz by default) used by git archive."
     echo
     echo -e "Examples:"
     echo -e "  to build base on version \`2.4.1' with format \`tar.xz', run:"
     echo -e "    `basename $0` -f tar.xz -v 2.4.1"
 }
 
+version_greater_equal()
+{
+    [ "$1" = $(printf "$1\n$2\n" | sort --version-sort | tail -1) ]
+}
+
 while getopts "hv:f:" opt
 do
     case ${opt} in
@@ -38,9 +46,15 @@ do
     esac
 done
 
-: ${version:=3.0.2}
+: ${version:=${g_version}}
 : ${format:=tar.gz}
 
+supported_max_version="2.6.2"
+if ! version_greater_equal ${supported_max_version} ${version}; then
+    echo "version(${version}) greater than ${supported_max_version} are not currently supported."
+    exit 1
+fi
+
 name="shadowsocks-libev"
 spec_name="shadowsocks-libev.spec"
 
@@ -52,4 +66,9 @@ sed -e "s/^\(Version:	\).*$/\1${version}/" \
     -e "s/^\(Source0:	\).*$/\1${name}-${version}.${format}/" \
     SPECS/"${spec_name}".in > SPECS/"${spec_name}"
 
-rpmbuild -bb SPECS/"${spec_name}" --define "%_topdir `pwd`"
+completion_min_verion="2.6.0"
+version_greater_equal ${version} ${completion_min_verion} \
+    && with_completion="--with completion" || :
+
+rpmbuild -bb SPECS/"${spec_name}" --define "%_topdir `pwd`" \
+         ${with_completion}