pack submodules for genrpm (#1293)

* add option to run autogen before configure

* pack submodules for genrpm

rpm/SPECS/shadowsocks-libev.spec.in

@@ -1,4 +1,5 @@
 %bcond_with completion
+%bcond_with autogen
 
 
 Name:		shadowsocks-libev
@@ -54,6 +55,10 @@ shadowsocks-libev is a lightweight secured scoks5 proxy for embedded devices and
 
 
 %build
+%if %{with autogen}
+./autogen.sh
+%endif
+
 %if 0%{?use_system_lib}
 %configure --enable-shared --enable-system-shared-lib
 %else

rpm/genrpm.sh

@@ -1,8 +1,18 @@
 #!/usr/bin/env bash
-set -e
+set -ex
+
+g_script_path=$(dirname $(readlink -e $0))
+g_toplevel_path=$(pushd $g_script_path > /dev/null 2>&1; \
+                  git rev-parse --show-toplevel; \
+                  popd > /dev/null 2>&1)
 
 g_version=$(git tag -l v* | sort --version-sort | tail -1)
 g_version=${g_version#"v"}
+g_format="tar.gz"
+g_name="shadowsocks-libev"
+
+g_rpmbuild_topdir="${g_toplevel_path}/rpm"
+g_rpmbuild_conditions=
 
 show_help()
 {
@@ -23,6 +33,49 @@ version_greater_equal()
     [ "$1" = $(printf "$1\n$2\n" | sort --version-sort | tail -1) ]
 }
 
+verify_options()
+{
+    local completion_min_verion="2.6.0"
+    local archive_format_supported_max_version="2.6.2"
+
+    version_greater_equal ${g_version} ${completion_min_verion} \
+        && g_rpmbuild_conditions="${g_rpmbuild_conditions} --with completion" || :
+
+    if ! version_greater_equal ${archive_format_supported_max_version} ${g_version}; then
+        g_rpmbuild_conditions="${g_rpmbuild_conditions} --with autogen"
+
+        if [ "${g_format}" != "tar" ]; then
+            echo -e "version(${g_version}) greater than ${archive_format_supported_max_version} can only use archive format \`tar'."
+            echo -e "change format from \`${g_format}' to \`tar'"
+            g_format="tar"
+        fi
+    fi
+}
+
+generate_tarball()
+{
+    local tarball_name="${g_name}-${g_version}"
+    local tarball_dir="${g_rpmbuild_topdir}/SOURCES"
+    pushd ${g_toplevel_path}
+    git archive "v${g_version}" \
+        --format="${g_format}" \
+        --prefix="${tarball_name}/" \
+        -o "${tarball_dir}/${tarball_name}.${g_format}"
+
+    git ls-tree -dr "v${g_version}" | grep commit \
+        | while read eat_mod eat_type mod_sha mod_path; do \
+        [ "${mod_path}" = "" ] && continue || :; \
+        (pushd ${mod_path=} \
+                && git archive ${mod_sha} \
+                       --prefix="${tarball_name}/${mod_path}/" \
+                       -o "${tarball_dir}/sub_mod.tar" \
+                && tar --concatenate "${tarball_dir}/sub_mod.tar" \
+                       --file="${tarball_dir}/${tarball_name}.tar" \
+                && rm "${tarball_dir}/sub_mod.tar" \
+                && popd) \
+            done
+}
+
 while getopts "hv:f:" opt
 do
     case ${opt} in
@@ -32,13 +85,13 @@ do
             ;;
         v)
             if [ "${OPTARG}" = v* ]; then
-                version=${OPTARG#"v"}
+                g_version=${OPTARG#"v"}
             else
-                version=${OPTARG}
+                g_version=${OPTARG}
             fi
             ;;
         f)
-            format=${OPTARG}
+            g_format=${OPTARG}
             ;;
         *)
             exit 1
@@ -46,29 +99,15 @@ do
     esac
 done
 
-: ${version:=${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 ${supported_max_version} are not currently supported."
-    exit 1
-fi
-
-name="shadowsocks-libev"
-spec_name="shadowsocks-libev.spec"
-
-pushd `git rev-parse --show-toplevel`
-git archive "v${version}" --format="${format}" --prefix="${name}-${version}/" -o rpm/SOURCES/"${name}-${version}.${format}"
-pushd rpm
+verify_options
 
-sed -e "s/^\(Version:	\).*$/\1${version}/" \
-    -e "s/^\(Source0:	\).*$/\1${name}-${version}.${format}/" \
-    SPECS/"${spec_name}".in > SPECS/"${spec_name}"
+generate_tarball
 
-completion_min_verion="2.6.0"
-version_greater_equal ${version} ${completion_min_verion} \
-    && with_completion="--with completion" || :
+spec_path="${g_rpmbuild_topdir}/SPECS/shadowsocks-libev.spec"
+sed -e "s/^\(Version:	\).*$/\1${g_version}/" \
+    -e "s/^\(Source0:	\).*$/\1${g_name}-${g_version}.${g_format}/" \
+    "${spec_path}".in > "${spec_path}"
 
-rpmbuild -bb SPECS/"${spec_name}" --define "%_topdir `pwd`" \
-         ${with_completion}
+rpmbuild -bb ${spec_path} \
+         --define "%_topdir ${g_rpmbuild_topdir}" \
+         ${g_rpmbuild_conditions} \