#!/bin/sh
#
# generate control preamble from PCP-parameterized control stanza
# file ($1)
#
tmp=/var/tmp/fixcontrol-$$
sts=0
trap "rm -f $tmp.*; exit \$sts" 0 1 2 3 15

if [ $# -ne 1 ]
then
    echo >&2 "Usage: fixcontrol input-control-file"
    sts=1
    exit
fi

# set debug=true to save the sed script
#
debug=false

# The convention in our control files is that in the Build-Depends,
# Depends, Suggests, etc lines we use <tab> for the continutation
# and <space> for the continution in the Description stanza.
# A line that begins with 2 or more spaces is a potential problem
# when we need <tab> to strip empty lines after ?{foo}
# substitutions.
#
awk <"$1" >$tmp.tmp '
/^  /	{ print "'"$1"':" NR ": Error: line begins with 2 or more spaces" }'
if [ -s $tmp.tmp ]
then
    cat >&2 $tmp.tmp
    sts=1
    exit
fi

# dh-python not always available ... this is not checked for in configure
# so have to base it on the platform type and version
#
rm -f $tmp.no
if [ -f /etc/os-release ]
then
    NAME=`sed -n -e 's/"//'g -e '/^NAME=/s/NAME=//p' </etc/os-release`
    if [ "$NAME" = "Debian GNU/Linux" ]
    then
	VERSION_ID=`sed -n -e 's/"//'g -e '/^VERSION_ID=/s/VERSION_ID=//p' </etc/os-release`
	case "$VERSION_ID"
	in
	    7)
		touch $tmp.no
		;;
	esac
    elif [ "$NAME" = "Ubuntu" ]
    then
	VERSION_ID=`sed -n -e 's/"//'g -e '/^VERSION_ID=/s/VERSION_ID=//p' </etc/os-release`
	case "$VERSION_ID"
	in
	    12.04|12.10|13.04)
		touch $tmp.no
		;;
	esac
    fi
elif [ -f /etc/debian_version ]
then
    VERSION_ID=`cat /etc/debian_version`
    case "$VERSION_ID"
    in
	6.*)
	    touch $tmp.no
	    ;;
    esac
fi
if [ -f $tmp.no ]
then
    echo 's/\?\{dh-python}(, *|$)//' >>$tmp.sed
else
    echo 's/\?\{dh-python}(, *|$)/dh-python\\1/' >>$tmp.sed
fi

# for some others we rely on what configure has discovered
#
if [ ! -f ../src/include/builddefs ]
then
    echo "fixcontrol: Botch: ../src/include/builddefs does not exist"
    exit 1
fi

eval `grep -E '^(ENABLE_|PMDA_|HAVE_|QT_)' ../src/include/builddefs | sed -e 's/ //g'`

if $PMDA_PERFEVENT
then
    echo 's/\?\{libpfm4-dev}(, *|$)/libpfm4-dev\\1/' >>$tmp.sed
else
    echo 's/\?\{libpfm4-dev}(, *|$)//' >>$tmp.sed
fi

if $PMDA_INFINIBAND
then
    echo 's/\?\{libibverbs-dev}(, *|$)/libibverbs-dev\\1/' >>$tmp.sed
    echo 's/\?\{libibumad-dev}(, *|$)/libibumad-dev\\1/' >>$tmp.sed
    echo 's/\?\{libibmad-dev}(, *|$)/libibmad-dev\\1/' >>$tmp.sed
else
    echo 's/\?\{libibverbs-dev}(, *|$)//' >>$tmp.sed
    echo 's/\?\{libibumad-dev}(, *|$)//' >>$tmp.sed
    echo 's/\?\{libibmad-dev}(, *|$)//' >>$tmp.sed
fi

if $PMDA_BCC
then
    echo 's/\?\{python-bpfcc}(, *|$)/python3-bpfcc [amd64 arm64 armhf s390x ppc64]\\1/' >>$tmp.sed
else
    echo 's/\?\{python-bpfcc}(, *|$)//' >>$tmp.sed
fi

if $PMDA_BPFTRACE
then
    echo 's/\?\{bpftrace}(, *|$)/bpftrace (>= 0.9.2) [amd64 arm64]\\1/' >>$tmp.sed
else
    echo 's/\?\{bpftrace}(, *|$)//' >>$tmp.sed
fi

if $PMDA_BPF
then
    echo 's/\?\{clang}(, *|$)/clang\\1/' >>$tmp.sed
    echo 's/\?\{llvm}(, *|$)/llvm\\1/' >>$tmp.sed
else
    echo 's/\?\{clang}(, *|$)//' >>$tmp.sed
    echo 's/\?\{llvm}(, *|$)//' >>$tmp.sed
fi

if $PMDA_POSTGRESQL
then
    if $ENABLE_PYTHON3
    then
	echo 's/\?\{python-psycopg2}(, *|$)/python3-psycopg2\\1/' >>$tmp.sed
    else
	echo 's/\?\{python-psycopg2}(, *|$)/python-psycopg2\\1/' >>$tmp.sed
    fi
else
    echo 's/\?\{python-psycopg2}(, *|$)//' >>$tmp.sed
fi

if $ENABLE_SYSTEMD
then
    # this is a pain ...
    # /usr/share/pkgconfig/systemd.pc is the file configure needs
    # but that's in different packages for different platforms try
    # and suss out the package, but if that fails simply omit any
    # related package from the Build-Depends: clause
    #
    if [ -f /usr/share/pkgconfig/systemd.pc ]
    then
	pkg=`dpkg-query -S /usr/share/pkgconfig/systemd.pc 2>/dev/null | sed -e 's/: .*//'`
	if [ -n "$pkg" ]
	then
	    echo 's/\?\{systemd-pkgconfig}(, *|$)/'"$pkg"'\\1/' >>$tmp.sed
	else
	    echo 's/\?\{systemd-pkgconfig}(, *|$)//' >>$tmp.sed
	fi
    else
	echo 's/\?\{systemd-pkgconfig}(, *|$)//' >>$tmp.sed
    fi
else
    echo 's/\?\{systemd-pkgconfig}(, *|$)//' >>$tmp.sed
fi

# PMDA_SYSTEMD is only true if we have libsystemd ...
# Note: that the HAVE_SYSTEMD_SD_DAEMON_H macro that is used to
# guard the use of libsystemd from libpcp is not available here, but
# the semantics of HAVE_SYSTEMD_SD_DAEMON_H and PMDA_SYSTEMD are
# close enough to being the same!
#
if $PMDA_SYSTEMD
then
    echo 's/\?\{libsystemd-dev}(, *|$)/libsystemd-dev\\1/' >>$tmp.sed
else
    echo 's/\?\{libsystemd-dev}(, *|$)//' >>$tmp.sed
fi


if $ENABLE_PYTHON3
then
    echo 's/\?\{python}(, *|$)/python3\\1/' >>$tmp.sed
    echo 's/\?\{python-all}(, *|$)/python3-all\\1/' >>$tmp.sed
    echo 's/\?\{python-dev}(, *|$)/python3-dev\\1/' >>$tmp.sed
    echo 's/\?\{python-pcp}(, *|$)/python3-pcp\\1/' >>$tmp.sed
else
    echo 's/\?\{python}(, *|$)//' >>$tmp.sed
    echo 's/\?\{python-all}(, *|$)//' >>$tmp.sed
    echo 's/\?\{python-dev}(, *|$)//' >>$tmp.sed
    echo 's/\?\{python-pcp}(, *|$)//' >>$tmp.sed
fi

if $HAVE_PYTHON_OPENPYXL
then
    echo 's/\?\{python-openpyxl}(, *|$)/python3-openpyxl\\1/' >>$tmp.sed
else
    echo 's/\?\{python-openpyxl}(, *|$)//' >>$tmp.sed
fi

if $HAVE_PYTHON_REQUESTS
then
    echo 's/\?\{python-requests}(, *|$)/python3-requests\\1/' >>$tmp.sed
else
    echo 's/\?\{python-requests}(, *|$)//' >>$tmp.sed
fi

if $ENABLE_LZMA
then
    echo 's/\?\{liblzma-dev}(, *|$)/liblzma-dev\\1/' >>$tmp.sed
else
    echo 's/\?\{liblzma-dev}(, *|$)//' >>$tmp.sed
fi

if [ "$QT_VERSION" -ge 5 ]
then
    echo 's/\?\{qt-dev}(, *|$)/qtbase5-dev, qtbase5-dev-tools, libqt5svg5-dev, qtchooser\\1/' >>$tmp.sed
elif [ "$QT_VERSION" -ge 4 ]
then
    echo 's/\?\{qt-dev}(, *|$)/libqt4-dev, qt4-qmake\\1/' >>$tmp.sed
else
    echo 's/\?\{qt-dev}(, *|$)//' >>$tmp.sed
fi

if $HAVE_OPENSSL
then
    echo 's/\?\{libssl-dev}(, *|$)/libssl-dev\\1/' >>$tmp.sed
else
    echo 's/\?\{libssl-dev}(, *|$)//' >>$tmp.sed
fi

if $HAVE_LIBUV
then
    echo 's/\?\{libuv1-dev}(, *|$)/libuv1-dev\\1/' >>$tmp.sed
else
    echo 's/\?\{libuv1-dev}(, *|$)//' >>$tmp.sed
fi

if $HAVE_LIBINIH
then
    echo 's/\?\{libinih-dev}(, *|$)/libinih-dev\\1/' >>$tmp.sed
else
    echo 's/\?\{libinih-dev}(, *|$)//' >>$tmp.sed
fi

if $HAVE_PERL
then
    echo 's/\?\{(perl [^}]*)}(, *|$)/\\1\\2/' >>$tmp.sed
    echo 's/\?\{libclass-dbi-perl}(, *|$)/libclass-dbi-perl\\1/' >>$tmp.sed
    echo 's/\?\{libdbd-mysql-perl}(, *|$)/libdbd-mysql-perl\\1/' >>$tmp.sed
    echo 's/\?\{libextutils-autoinstall-perl}(, *|$)/libextutils-autoinstall-perl\\1/' >>$tmp.sed
    echo 's/\?\{libxml-tokeparser-perl}(, *|$)/libxml-tokeparser-perl\\1/' >>$tmp.sed
    echo 's/\?\{libjson-perl}(, *|$)/libjson-perl\\1/' >>$tmp.sed
    echo 's/\?\{libwww-perl}(, *|$)/libwww-perl\\1/' >>$tmp.sed
    echo 's/\?\{libnet-snmp-perl}(, *|$)/libnet-snmp-perl\\1/' >>$tmp.sed
else
    echo 's/\?\{perl [^}]*}(, *|$)//' >>$tmp.sed
    echo 's/\?\{libclass-dbi-perl}(, *|$)//' >>$tmp.sed
    echo 's/\?\{libdbd-mysql-perl}(, *|$)//' >>$tmp.sed
    echo 's/\?\{libextutils-autoinstall-perl}(, *|$)//' >>$tmp.sed
    echo 's/\?\{libxml-tokeparser-perl}(, *|$)//' >>$tmp.sed
    echo 's/\?\{libjson-perl}(, *|$)//' >>$tmp.sed
    echo 's/\?\{libwww-perl}(, *|$)//' >>$tmp.sed
    echo 's/\?\{libnet-snmp-perl}(, *|$)//' >>$tmp.sed
    echo '/^Recommends: libpcp-pmda-perl/d' >>$tmp.sed
    echo '/^Suggests: pcp-gui, libpcp-import-perl, /s/libpcp-import-perl, //' >>$tmp.sed
fi

# build needs postfix for postfix PMDA (closes: #929368)
#
if $PMDA_POSTFIX
then
    echo 's/\?\{postfix}(, *|$)/postfix\\1/' >>$tmp.sed
else
    echo 's/\?\{postfix}(, *|$)//' >>$tmp.sed
fi

# build needs libxml-libxml-perl and libfile-slurp-perl for bind2 PMDA (closes: #929376)
#
if $PMDA_BIND2
then
    echo 's/\?\{libxml-libxml-perl}(, *|$)/libxml-libxml-perl\\1/' >>$tmp.sed
    echo 's/\?\{libfile-slurp-perl}(, *|$)/libfile-slurp-perl\\1/' >>$tmp.sed
else
    echo 's/\?\{libxml-libxml-perl}(, *|$)//' >>$tmp.sed
    echo 's/\?\{libfile-slurp-perl}(, *|$)//' >>$tmp.sed
fi

# build needs libyaml-libyaml-perl and libjson-perl for nutcracker PMDA (closes: #929377)
# - libjson-perl done above for $HAVE_PERL
#
if $PMDA_NUTCRACKER
then
    echo 's/\?\{libyaml-libyaml-perl}(, *|$)/libyaml-libyaml-perl\\1/' >>$tmp.sed
else
    echo 's/\?\{libyaml-libyaml-perl}(, *|$)//' >>$tmp.sed
fi

# build needs libjson-perl for activemq PMDA
#
if $PMDA_ACTIVEMQ
then
    echo 's/\?\{libjson-perl}(, *|$)/libjson-perl\\1/' >>$tmp.sed
else
    echo 's/\?\{libjson-perl}(, *|$)//' >>$tmp.sed
fi

# build needs python3-rtslib-fb for lio PMDA (closes: #929378)
#
if $PMDA_LIO
then
    echo 's/\?\{python-rtslib-fb}(, *|$)/python3-rtslib-fb\\1/' >>$tmp.sed
else
    echo 's/\?\{python-rtslib-fb}(, *|$)//' >>$tmp.sed
fi

# build needs python3-libvirt and python3-lxml for libvirt PMDA (closes: #929379)
#
if $PMDA_LIBVIRT
then
    echo 's/\?\{python-libvirt}(, *|$)/python3-libvirt\\1/' >>$tmp.sed
    echo 's/\?\{python-lxml}(, *|$)/python3-lxml\\1/' >>$tmp.sed
else
    echo 's/\?\{python-libvirt}(, *|$)//' >>$tmp.sed
    echo 's/\?\{python-lxml}(, *|$)//' >>$tmp.sed
fi

# build needs libdrm-dev for amdgpu PMDA
#
if $PMDA_AMDGPU
then
    echo 's/\?\{libdrm-dev}(, *|$)/libdrm-dev\\1/' >>$tmp.sed
else
    echo 's/\?\{libdrm-dev}(, *|$)//' >>$tmp.sed
fi

# build needs python3-pymongo for mongodb PMDA
#
if $PMDA_MONGODB
then
    echo 's/\?\{python-pymongo}(, *|$)/python3-pymongo\\1/' >>$tmp.sed
else
    echo 's/\?\{python-pymongo}(, *|$)//' >>$tmp.sed
fi

# build needs python3-urllib3 for elasticsearch PMDA
#
if $PMDA_ELASTICSEARCH
then
    echo 's/\?\{python-urllib3}(, *|$)/python3-urllib3\\1/' >>$tmp.sed
else
    echo 's/\?\{python-urllib3}(, *|$)//' >>$tmp.sed
fi

# build needs libdbi-perl and libdbd-mysql-perl for mysql and
# oracle PMDA
# -libdbd-mysql-perl done above for $HAVE_PERL
#
if $PMDA_MYSQL || $PMDA_ORACLE
then
    echo 's/\?\{libdbi-perl}(, *|$)/libdbi-perl\\1/' >>$tmp.sed
else
    echo 's/\?\{libdbi-perl}(, *|$)//' >>$tmp.sed
fi

# build needs python3-pyodbc for mssql PMDA
#
if $PMDA_MSSQL
then
    echo 's/\?\{python-pyodbc}(, *|$)/python3-pyodbc\\1/' >>$tmp.sed
else
    echo 's/\?\{python-pyodbc}(, *|$)//' >>$tmp.sed
fi

# build needs python3-requests and OrderedDict module (from libpython
# that will be there) for openmetrics PMDA
# - python3-requests done above for $HAVE_PYTHON_REQUESTS
#
if $PMDA_OPENMETRICS
then
    :
fi

# build needs libnet-snmp-perl for snmp PMDA
# - libnet-snmp-perl done above for $HAVE_PERL
#
if $PMDA_SNMP
then
    :
fi

# these PMDAs are optional in the build, but have no additional
# Build-Depends: requirements (added here for completeness)
#
if $PMDA_GFS2 || $PMDA_NGINX || $PMDA_RESCTRL
then
    :
fi

# these PMDAs are optional in the build but NEVER build for
# Debian-based platforms, so nothing to add in Build-Depends:
#
if $PMDA_STATSD
then
    :
fi

# build needs libsystemd-dev for systemd PMDA (closes: #929372)
#
if $PMDA_SYSTEMD
then
    echo 's/\?\{libsystemd-dev}(, *|$)/libsystemd-dev\\1/' >>$tmp.sed
else
    echo 's/\?\{libsystemd-dev}(, *|$)//' >>$tmp.sed
fi

# add perl-xs-dev to Build-Depends for trixie or later (closes: #1102849)
#
rm -f $tmp.yes
if [ -f /etc/os-release ]
then
    NAME=`sed -n -e 's/"//'g -e '/^NAME=/s/NAME=//p' </etc/os-release`
    if [ "$NAME" = "Debian GNU/Linux" ]
    then
	VERSION_ID=`sed -n -e 's/"//'g -e '/^VERSION_ID=/s/VERSION_ID=//p' </etc/os-release`
	# trixie is 13
	#
	[ "$VERSION_ID" -ge 13 ] && touch $tmp.yes
    elif [ "$NAME" = "Ubuntu" ]
    then
	VERSION_ID=`sed -n -e 's/"//'g -e '/^VERSION_ID=/s/VERSION_ID=//p' </etc/os-release`
	# Ubuntu 24.04 is trixie-based
	#
	[ `echo $VERSION_ID | sed -e 's/\.//'` -ge 2404 ] && touch $tmp.yes
    fi
elif [ -f /etc/debian_version ]
then
    VERSION_ID=`cat /etc/debian_version`
    [ "$VERSION_ID" -ge 13 ] && touch $tmp.yes
fi
if [ -f $tmp.yes ]
then
    echo 's/\?\{perl-xs-dev}(, *|$)/perl-xs-dev\\1/' >>$tmp.sed
else
    echo 's/\?\{perl-xs-dev}(, *|$)//' >>$tmp.sed
fi

echo '/^	$/d' >>$tmp.sed
sed -E -f $tmp.sed <"$1" >$tmp.out
diff -u "$1" $tmp.out >&2
cat $tmp.out
if $debug
then
    echo >&2 "Debug: sed saved to tmp.sed"
    rm -f tmp.sed
    mv $tmp.sed tmp.sed
fi

# add transitional packages for (incorrect) Ubuntu package renaming
#
if [ -f /etc/os-release ]
then
    NAME=`sed -n -e 's/"//'g -e '/^NAME=/s/NAME=//p' </etc/os-release`
    if [ "$NAME" = "Ubuntu" ]
    then
	if grep -q 'Package: libpcp3t64' control 2>/dev/null
	then
	    # but do it only once and already done apparenty
	    #
	    :
	else
	    cat control.ubuntu
	fi
    fi
fi