build httpd rpm

build-httpd-rpm.sh

#!/bin/bash

function build_httpd_rpm { (
  local base_version=$1
  local buildroot=$(rpmbuild --eval=%_topdir 2>/dev/null | tr -d '\n')
  mkdir -p $buildroot

  local major_version=$(echo $base_version | cut -f1 -d'.')
  local minor_version=$(echo $base_version | cut -f2 -d'.')
  local release_version=$(
    curl -L http://archive.apache.org/dist/httpd 2>/dev/null \
      | grep "httpd-$major_version\.$minor_version" \
      | sed "s:^.*<a href=\"\(httpd-$major_version\.$minor_version\.[0-9]*\.tar\.gz\)\".*$:\1:g" \
      | grep "^httpd-$major_version\.$minor_version\.[0-9]*\.tar\.gz$" \
      | sed 's:^httpd-\([0-9.]*\)\.tar\.gz$:\1:g' \
      | cut -f3 -d'.' \
      | sort -nr \
      | head -1 \
      | tr -d '\n')
  local version="$base_version.$release_version"

  mkdir -p /tmp/httpd
  cd /tmp/httpd
  [ -f httpd-$version.tar.gz ] || {
    wget http://archive.apache.org/dist/httpd/httpd-$version.tar.gz -O httpd-$version.tar.gz || {
      echo "ERROR: cannot wget tar archive."
      return 1
    }
  }
  tar zxf httpd-$version.tar.gz
  for dir in BUILD SRPMS SPECS SOURCES RPMS; do
    [ -d $buildroot/$dir ] || {
      mkdir -p $buildroot/$dir
    }
  done

  cat httpd-$version/httpd.spec \
   | sed 's/Prereq: openssl, dev, \/bin\/cat/Prereq: openssl, \/bin\/cat/g' \
   > $buildroot/SPECS/httpd.spec

  cp httpd-$version.tar.gz $buildroot/SOURCES/

  which rpmbuild >/dev/null 2>&1 || {
    yum install -y rpm-build
  }
  yum install -y gcc apr-devel apr-util-devel openldap-devel db4-devel expat-devel pcre-devel openssl-devel distcache-devel
  rpmbuild -bb $buildroot/SPECS/httpd.spec
) }

if [ -z "$1" ]; then
  echo "ERROR: missing argument."
  echo "Usage: bash $0 version"
  echo "  ex) \$ bash $0 2.2"
  exit 1
else
  build_httpd_rpm "$1"
fi