configure

#!/bin/bash
##
## configure script to configure the package hookwall
##
SED="/usr/bin/sed"
DATE_YEAR="$(date +'%Y')"
DATE_MONTHYEAR="$(date +'%B %Y')"
DATE_MANPAGEDATE="$(date +'%m/%d/%Y')"

files=''

while [ $# -ge 1 ]; do
	case $1 in
		--packagename=*)
			PACKAGENAME="${1##--packagename=}"; shift;;
		--version=*)
			_VERSION="${1##--version=}"; shift;;
		--revision=*)
			_REVISION="${1##--revision=}"; shift;;
		--author=*)
			AUTHOR="${1##--author=}"; shift;;
		--emailaddr=*)
			EMAILADDR="${1##--emailaddr=}"; shift;;
		--prefix=*)
			PREFIX="${1##--prefix=}"; shift;;
		--exec-prefix=*)
			EXECPREFIX="${1##--exec-prefix=}"; shift;;
		--bindir=*)
			BINDIR="${1##--bindir=}"; shift;;
		--sbindir=*)
			SBINDIR="${1##--sbindir=}"; shift;;
		--sysconfdir=*)
			SYSCONFDIR="${1##--sysconfdir=}"; shift;;
		--datadir=*)
			DATADIR="${1##--datadir=}"; shift;;
		--includedir=*)
			INCLUDEDIR="${1##--includedir=}"; shift;;
		--libdir=*)
			LIBDIR="${1##--libdir=}"; shift;;
		--libexecdir=*)
			LIBEXECDIR="${1##--libexecdir=}"; shift;;
		--localstatedir=*)
			LOCALSTATEDIR="${1##--localstatedir=}"; shift;;
		--sharedstatedir=*)
			SHAREDSTATEDIR="${1##--sharedstatedir=}"; shift;;
		--mandir=*)
			MANDIR="${1##--mandir=}"; shift;;
		--infodir=*)
			INFODIR="${1##--infodir=}"; shift;;
		--build=*)
			BUILDARCH="${1##--build=}"; shift;;
		--target=*)
			TARGETARCH="${1##--target=}"; shift;;
		--host=*)
			HOSTARCH="${1##--host=}"; shift;;
		--program-prefix=*)
			PROGRAMPREFIX="${1##--program-prefix=}"; shift;;
		--rfccachedir=*)
			RFCCACHEDIR="${1##--rfccachedir=}"; shift;;
		--rfcholdtime=*)
			RFCHOLDTIME="${1##--rfcholdtime=}"; shift;;
		--*)
			echo "Unknown option: $1"; shift;;
		--)
			shift; files="$@"; shift $#;;
		*)
			files="$@"; shift $#;;
	esac;
done;

if [ -z "$files" ]; then
	files="`find ./ \( -type f -or -type l \) -name "*.in" -print`"
fi

: ${USER:=nobody}
: ${MAILLOCALPART:=${USER}}
: ${MAILDOMAIN:=icebear.org}
: ${DOMAIN_MAIL_DEVELOPMENT:=${MAILDOMAIN}}
: ${AUTONOMOUS_SYSTEM:=Aeon}
: ${SITENAME:=${AUTONOMOUS_SYSTEM}}
: ${DIRBASENAME:="${PWD##*/}"}

: ${PACKAGENAME:=${DIRBASENAME}}
: ${AUTHOR:=$(getent passwd $USER | cut -d : -f 5 | cut -d , -f 1)}
: ${EMAILADDR:=${MAILLOCALPART}+project.${PACKAGENAME}@${DOMAIN_MAIL_DEVELOPMENT}}
: ${PREFIX:=/usr}
: ${EXECPREFIX:=$PREFIX}
: ${BINDIR:=$EXECPREFIX/bin}
: ${SBINDIR:=$EXECPREFIX/sbin}
: ${SYSCONFDIR:=$PREFIX/etc}
: ${DATADIR:=$PREFIX/share}
: ${INCLUDEDIR:=$PREFIX/include}
: ${LIBDIR:=$EXECPREFIX/lib}
: ${LIBEXECDIR:=$EXECPREFIX/libexec}
: ${LOCALSTATEDIR:=$PREFIX/var}
: ${SHAREDSTATEDIR:=$PREFIX/com}
: ${MANDIR:=$DATADIR/man}
: ${INFODIR:=$DATADIR/info}
: ${BUILDARCH:=x86_64-suse-linux-gnu}
: ${TARGETARCH:=linux-suse-x86_64-gnu}
: ${PROGRAMPREFIX:=${PACKAGENAME}}
: ${RFCCACHEDIR:=${LOCALSTATEDIR}/cache/rfcs}}
: ${RFCHOLDTIME:=30}

if [ -r ${PACKAGENAME}.ver ]; then
	source ${PACKAGENAME}.ver
fi

: ${VERSION:=0.0}
: ${REVISION:=0}
: ${_VERSION:=${VERSION}}
: ${_REVISION:=${REVISION}}

if [ -w ${PACKAGENAME}.ver -a \
	"${_VERSION}" != "${VERSION}" -o \
	"${_REVISION}" != "${REVISION}" ]; then
	cat <<-EOD >${PACKAGENAME}.ver
		VERSION=${_VERSION}
		REVISION=${_REVISION}
	EOD
	VERSION="${_VERSION}"; unset _VERSION
	REVISION="${_REVISION}"; unset _REVISION
fi

for file in $files; do
	echo 'm4_changequote(`{{{'"'"', `}}}'"'"')m4_dnl' | m4 -P - ${file} | \
	sed -e "s%@DIRBASENAME@%${DIRBASENAME}%g;\
		s%@MANPAGEDATE@%${DATE_MANPAGE}%g;\
		s%@MAILDOMAIN@%${MAILDOMAIN}%g;\
		s%@DOMAIN_MAIL_DEVELOPMENT@%${DOMAIN_MAIL_DEVELOPMENT}%g;\
		s%@AUTONOMOUS_SYSTEM@%${AUTONOMOUS_SYSTEM}%g;\
		s%@SITENAME@%${SITENAME}%g;\
		s%@PACKAGENAME@%${PACKAGENAME}%g;\
		s%@YEAR@%${DATE_YEAR}%g;\
		s%@MONTHYEAR@%${DATE_MONTHYEAR}%g;\
		s%@VERSION@%${VERSION}%g;\
		s%@REVISION@%${REVISION}%g;\
		s%@AUTHOR@%${AUTHOR}%g;\
		s%@EMAILADDR@%${EMAILADDR}%g;\
		s%@PREFIX@%${PREFIX}%g;\
		s%@EXECPREFIX@%${EXECPREFIX}%g;\
		s%@BINDIR@%${BINDIR}%g;\
		s%@SBINDIR@%${SBINDIR}%g;\
		s%@SYSCONFDIR@%${SYSCONFDIR}%g;\
		s%@DATADIR@%${DATADIR}%g;\
		s%@INCLUDEDIR@%${INCLUDEDIR}%g;\
		s%@LIBDIR@%${LIBDIR}%g;\
		s%@LIBEXECDIR@%${LIBEXECDIR}%g;\
		s%@LOCALSTATEDIR@%${LOCALSTATEDIR}%g;\
		s%@SHAREDSTATEDIR@%${SHAREDSTATEDIR}%g;\
		s%@MANDIR@%${MANDIR}%g;\
		s%@INFODIR@%${INFODIR}%g;\
		s%@BUILDARCH@%${BUILDARCH}%g;\
		s%@TARGETARCH@%${TARGETARCH}%g;\
		s%@HOSTARCH@%${HOSTARCH}%g;\
		s%@RFCCACHEDIR@%${RFCCACHEDIR}%g;\
		s%@RFCHOLDTIME@%${RFCHOLDTIME}%g;\
		s%@PROGRAMPREFIX@%${PROGRAMPREFIX}%g" >${file%%.in}
	chmod --reference=${file} ${file%%.in}
done