#
# Function library for buildpkg framework
# It adds support for creating Irix packages in 'inst' format
#
# Define tool programs
# *only* platform specific packaging tools should be listed here
# generic tools go in buildpkg.functions
GENDIST="/usr/sbin/gendist"
GENDIST_OPTS="-nostrip"
SHOWPRODS="/usr/sbin/showprods"
SHOWFILES="/usr/sbin/showfiles"

GZIP=/usr/people/tgc/bin/gzip
BZIP2=/usr/local/bin/bzip2

# This is the hostname command we'll want on Irix
HOSTNAME=/usr/bsd/hostname

# Configuration vars
imageconf=$buildpkgbase/scripts/image.conf
subsysconf=$buildpkgbase/scripts/subsys.conf
idbfile=$metadir/$topdir.idb
specfile=$metadir/$topdir.spec
depends=$metadir/depends
opsfile=$metadir/ops
hidefile=$metadir/hide
showfilescache=/tmp/sf.cache

# Preformat manpages since Irix is not likely to have nroff available
symlinkman=1 # resolve .so links or formatting/compressing will fail
catman=1

# Compress manpages
gzman=1
compressman=0

# strip?
dostrip=1
dostrip_static=0 # Atleast std. Irix strip seems to mangle archives if strip -f is used

# Setup default args for strip. They match /usr/bin/strip in Irix 6.2
# Change these if you're using strip from GNU Binutils (recommended)
strip_elf_args="" # GNU default is -g
strip_shared_args="-f" # GNU default is --strip-unneeded
strip_static_args="-f" # GNU default is -g

# Other
usedepend=1 # Don't use depend file even if it's available
usescripts=1 # Don't add ops even if they're available
ignore_unpackaged_files=0 # default to check for unpackaged files in the stage area
include_source=0 # Include source[x] in the opt.src subsystem and not just patch[x]

# vendor & contact information to be added in relnotes
pkgedby="Tom G. Christensen"
email="irixpkg@jupiterrise.com"

# ver_width controls the width of the pkgversion numbers created
# do *not* change this blindly
# inst uses an INT value for the version number which can atmost be
# 2,147,483,647 that means it's not safe to extend the version number
# beyond 9 digits. With 10 digits a version starting with 22.xxxx will overflow
# the INT and crash inst.
ver_width=9
# Some versioning causes trouble with the normal version transformation (like 2.8->2.10)
# which ends up as 210 (2.10) < 280 (2.8) which is wrong
# This control will turn on zero prefixing of single digit version components in a version string
# so that 0210 (2.10) > 0208 (2.8).
# The default is on but be aware that it can also give problems with version transformation (like 2.08->2.1)
# which ends up as 0208 (2.08) > 0201 (2.1).
useextendedver=1

# Use run_configure
generic_configure=0
# Check config.log for nono libs
check_ac=1
configlog=config.log # override as necessary
# If you need to override any autoconf values put them in this string
# ie. ac_cv_lib_sun_mntent=no etc.
ac_overrides=""
# Run this command for the configure stage
__configure="./configure"

# When using autodeps sometimes we get undesired dependencies
# add them to this var to have them filtered out
ignore_deps=""

# When matching dependencies with packages should we resolve
# symlinks before looking in the showfilescache?
# Requires readlink from GNU coreutils.
# Should be 1 for Irix 5.3
deps_resolve_symlinks=0

# If using MIPSPro 7.x please set this to 1
# If using Irix 5.3 IDO please set this to 2
mipspro=0

# Comment these declarations to get it to run with ksh
declare -a pc # Array of product categories (image.subsys)
declare -a pd # Array of matching descriptions
declare -a ps # Array of subsystem properties - default or nodefault
declare -a pctop # Array of toplevel product categories (image)
declare -a pdtop # Array of matching descriptions
declare -a reqs # Array of subsystems with prereqs
declare -a reqp # Array of prereqs (should match up with reqs)
declare -a hide # Files that should be "hidden" with nohist
declare -a opfiles # Files that should have an ops associated
declare -a opscript # Ops to associate with opfiles

#override defaults
pkgprefix=tgc_
pkgname=$pkgprefix$topdir

os=irix`$UNAME -r`
_os=$($UNAME -sr|$SED -e 's/ //g' -e 's/\.//g' -e 's/IRIX64/IRIX/g'|$TR '[A-Z]' '[a-z]')
cpu=mips3

configure_args='--prefix=$prefix'

META_CLEAN="$topdir.spec $topdir.idb files.tmp ${depends##*/}_auto ${depends##*/}_all sums"

# Host specific configuration
[ -r $buildpkgbase/scripts/config.$($HOSTNAME -s).irix ] && . $buildpkgbase/scripts/config.$($HOSTNAME -s).irix

distfile='$topdir-$version-$pkgver.tgc-$os-$cpu-$pkgdirdesig.tardist'

##################################################### 
# Internal helper functions
#####################################################
indent4="   "
indent8="       "
indent12="           "
indent16="               "
indent24="                       "
# fix_ver(): "normalize" a version-pkgver pair
# params: $1=version
# Removes any '.' and '-' characters from a version string
# It also extends the width to $ver_width by moving the package revision
# to the far right and padding with zeroes inbetween.
fix_ver()
{
    local numpad
    local extendedwidth
    local extendedver=""
    local i
    local version=$1
    local rev=${version##*-}
    local ver=$(echo ${version%%-*} | $SED -e 's/-//g' -e 's/[a-zA-Z]//g')
    if [ $useextendedver -eq 1 ]; then
      ### experimental
      ### zero prefixes all single digits in a versionstring
      OIFS=$IFS
      IFS=".
      "
      for i in $ver
      do
	if [ ${#i} -eq 1 ]; then
	  extendedver=${extendedver}0${i}
	else
	  extendedver=${extendedver}${i}
	fi
      done
      ver=$extendedver
    fi
    if [ $useextendedver -eq 0 ]; then
      # Remove the dots
      ver=$(echo $ver | $SED -e 's/\.//g')
    fi
    let "numpad = $ver_width - ${#ver} - ${#rev}"
    [ $numpad -lt 0 ] && error $E_BAD_VERSION fix_ver
    while [ $numpad -gt 0 ]
    do
	ver="${ver}0"
	let "numpad = $numpad - 1"
    done
    ver="${ver}${rev}"
    echo $ver
}
# spec_header()
# param: $1=product name $2=description
spec_header()
{
    echo "product $1"
    echo "$indent4 id \"$2\""
}
spec_footer()
{
    echo "endproduct"
}
# spec_img_header()
# param: $1=image name $2=image description $3=version
spec_img_header()
{
    local nver=$(fix_ver $3)
    echo "$indent4 image $1"
    echo "$indent8 id \"$2\""
    echo "$indent8 version $nver"
    echo "$indent8 order 9999"
}
# spec_img_footer()
spec_img_footer()
{
    echo "$indent4 endimage"
}
# spec_subsys_header()
# param: $1=image $2=subsys $3=description $4=subsys property
spec_subsys_header()
{
    echo "$indent8 subsys $2 $4"
    echo "$indent12 id \"$3\""
    echo "$indent12 replaces self"
    echo "$indent12 exp $pkgname.$1.$2"
}
# spec_subsys_req_header()
# param: none
spec_subsys_req_header()
{
    echo "$indent16 prereq ("
}
# spec_subsys_req()
# param: $1=prereq
spec_subsys_req()
{
    echo "$indent24 $1"
}
# spec_subsys_req_footer()
# param: none
spec_subsys_req_footer()
{
    echo "$indent24"")"
}
# spec_subsys_footer()
# param: none
spec_subsys_footer()
{
    echo "$indent8 endsubsys"
}

# check_ops(): Is there an opscript associated with $1
# param: $1=file to check
check_ops()
{
    local file="$1"
    local return=""
    if [ "$usescripts" -eq 0 ]; then
	echo $return
    fi
    #echo "file is $file" >> /tmp/debug
    for ((i=0; $i < ${#opfiles[@]}; i++))
    do
	#echo "opfiles $i is ${opfiles[$i]}" >> /tmp/debug
	if [ "${opfiles[$i]}" == "$file" ]; then
	    return="${opscript[$i]}"
	fi
    done
    echo $return
}
# fix_fname(): Sanitize filename
# param: $1=filename to fix
# The purpose is to "fix" filenames that gendist won't like
# ie. names with space are a no-no.
fix_fname()
{
    local name="$1"
    local return
    
    # Replace ' ' with '_'
    return=$(echo $name|$SED -e 's/ /_/g')
    echo $return
}
    
# add_files()
# Create IDB entries for all files in a specfic product category
# Takes the following parameters
# $1 = dirname to descend into
# $2 = product_category to assign files
# $3 = permissions to set on the files we find
# $4 = user
# $5 = group
# $6 = special attribute
add_files()
{
	local fspec=$(_upls $1)
	local prodcat=$2
	local defperm=$3
	local owner=$4
	local group=$5
	local specattr=$6
	local slash=''
	local topinstd=${topinstalldir:1}

	[ ! "$topinstalldir" == "/" ] && slash='/' #="${topinstalldir}/"

	# This is a workaround
	# Sometimes $topinstalldir:1 returns garbage when topinstalldir=/
	[ "$topinstalldir" = "/" ] && topinstd=""

	local FILES=$($FIND $fspec -type f -print|$TEE -a $metadir/files.tmp)
	OIFS=$IFS # We play IFS tricks so we can handle filenames with embedded spaces
	IFS="
	"
	for i in $FILES
	do
	    IFS=$OIFS
	    if [ "$defperm" == "-" ]; then
		permlist=`$LS -l "$i" | $CUT -d " " -f 1`
		perm=$(compute_octal $permlist)	
	    else
		perm=$defperm
	    fi
	    doop=$(check_ops "$i")
	    fname=$(fix_fname "$i")
	    if [ ! -z "$doop" ]; then
		if [ ! -z "$specattr" ]; then
		    specattr="$specattr $doop"
		else
		    specattr=$doop
		fi
	    fi
	    if [ ! -z "$specattr" ]; then
		echo "f $perm $owner $group ${topinstd}${slash}$fname $i ${pkgname}.${prodcat} $specattr" >>$idbfile
	    else
		echo "f $perm $owner $group ${topinstd}${slash}$fname $i ${pkgname}.${prodcat}" >>$idbfile
	    fi

	done
	IFS=$OIFS
	# Handle symlinks
	local FILES=$($FIND $fspec -type l -print|$TEE -a $metadir/files.tmp)
	OIFS=$IFS
	IFS="
	"
	for i in $FILES
	do
	    IFS=$OIFS
	    if [ "$defperm" == "-" ]; then
		    permlist=`$LS -l "$i" | $CUT -d " " -f 1`
		    perm=$(compute_octal $permlist)
	    else
		    perm=$defperm
	    fi
	    local temp=`$LS -l "$i"|$CUT -d '>' -f 2`
	    local symval=${temp# }
	    fname=$(fix_fname "$i")
	    echo "l $perm $owner $group ${topinstd}${slash}$fname $i ${pkgname}.${prodcat} symval($symval)" >>$idbfile
	done
	IFS=$OIFS
}

# add_dir(): Add a single dir entry to the IDB file
# params: $1=dir $2=subsys $3=default permissons $4=defuid $5=defgid
# Currently ops and specattr are unimplemented for dirs
add_dir()
{
    local fspec=$(_upls $1)
    local prodcat=$2
    local defperm=$3
    local owner=$4
    local group=$5
    local topinstd="$topinstalldir"

    #[ ! "$topinstalldir" == "/" ] && topinstalldir="${topinstalldir}/"
    [ ! "$topinstd" = "/" ] && topinstd="${topinstd:1}/"

    # This is a workaround
    # Sometimes $topinstalldir:1 returns garbage when topinstalldir=/
    [ "$topinstd" = "/" ] && topinstd=""
	
    # Note that dir blablah is *not* added to $metadir/files.tmp
    local FILES=$($FIND $fspec -type d -print)
    OIFS=$IFS
    IFS="
    "
    for i in $FILES
    do
	IFS=$OIFS
	if [ "$defperm" == "-" ]; then
		permlist=$($LS -ld "$i" | $CUT -d " " -f 1)
		perm=$(compute_octal $permlist)
	else
		perm=$defperm
	fi
	fname=$(fix_fname "$i")
	echo "d $perm $owner $group ${topinstd}$fname $i ${pkgname}.${prodcat}" >>$idbfile
    done
    IFS=$OIFS
}
    

# fetch_imageconf(): Fetch a list of toplevel image entries with descriptions
# params: none
# Discard the ones that we don't have any subsystems for
fetch_imageconf()
{
    local pctopidx=0
    local numloops=${#pc[@]}
    local i=0

    while read image desc
    do
	for ((i=0; i < $numloops; i++))
	do
	    temp="${pc[$i]%%.*}" 
	    if [ "$image" == "$temp" ]; then
		pctop[$pctopidx]=$image
		pdtop[$pctopidx]=$desc
		let "pctopidx = $pctopidx + 1"
		break # We found a match no need to loop further
	    fi
	done
    done < $imageconf
}

# fetch_subsysdesc(): Fetch a list of subsystem descriptions
# params: none
fetch_subsysdesc()
{
    local i=0
    local numloops=${#pc[@]} 
    local ss
    local sp
    local desc

    while read ss sp desc
    do
	for ((i=0; i < $numloops; i++)) # Find subsystem...
	do
	    if [ "${pc[$i]}" = "$ss" ]; then
		pd[$i]="$desc"
		if [ "$sp" == "nodefault" ]; then
		    ps[$i]=""
		else
		    ps[$i]=$sp
		fi
		break 	# Found it, skip to the next line
	    fi
	done
    done < $subsysconf
}

# fetch_depends(): Fetch a list of subsystems and their prereqs
# params: none
#
fetch_depends()
{
    local reqidx=0
    local havedep=0
    [ -r ${depends} ] && $CAT ${depends} > ${depends}_all
    [ -r ${depends}_auto ] && $CAT ${depends}_auto >> ${depends}_all
    # Are there any deps we should ignore?
    if [ -n "$ignore_deps" ]; then
	local j
	local cmd
	for j in $ignore_deps
	do
	    cmd="$(echo $j | $SED -e 's;\.;\\\.;g')"
	    $GSED -i "/$cmd/d" ${depends}_all
	done
    fi
    if [ -r ${depends}_all ]; then
	while read ss reqpkg reqvers
	do
	    havedep=0
	    if [ "$reqvers" == "auto" ]; then # auto create depend on $reqpkg
		# Check if it's an internal depend
		# There's no real safe way to check but we will assume
		# That if there's only a single . in the $reqpkg then it's internal
		local deplen=$((${#reqpkg}-1)) # String length -1 (a single dot)
		# Now if $deplen is longer than the same string with all dots removed
		# then we know there was more than one dot and we can assume it's
		# not an internal depend
		if [ $deplen -gt "$(/bin/echo -n "$reqpkg" | $TR -d '.' | wc -c)" ]; then
		    # External depend
		    # Grab version
		    nver="$($SHOWPRODS -n $reqpkg | $GREP $reqpkg | $AWK '{ print $3 }')"
		    req="$reqpkg $nver maxint"
		    havedep=1
		else
		    nver=$(fix_ver "$version-$pkgver")
		    req="$pkgname.$reqpkg $nver $nver"
		    havedep=1
		fi
	    else
		# When rebuilding a package we want to avoid the autodeps
		# from adding deps on the already installed parts.
		# Internal deps must be handled in depends with the auto keyword
		# or chaos will ensue.
		# We will try to check if the package name in the autodep matches the 
		# package we're building
		if [ ! "${reqpkg%%.*}" == "$pkgname" ]; then 
		    req="$reqpkg $reqvers"
		    havedep=1
		else
		    echo "skipping depend: $ss $reqpkg $reqvers"
		fi
	    fi
	    # Only increment and update arrays if we actually add the dep
	    if [ $havedep -gt 0 ]; then
		reqs[$reqidx]=$ss
		reqp[$reqidx]=$req
		let "reqidx = $reqidx + 1"
	    fi
	done < ${depends}_all
    fi
}

# fetch_ops(): Fetch ops
# params: none
# Populates the firstop and lastop variables
# and the opfiles and opscript arrays
fetch_ops()
{
    if [ -r $opsfile ]; then
	opsidx=0
	while read optype op
	do
	    case $optype in
		'firstop')
			    firstop="$op"
			    ;;
		'lastop')
			    lastop="$op"
			    ;;
	    esac
	    opfiles[$opsidx]=$optype
	    opscript[$opsidx]=$op	
	    let "opsidx = $opsidx + 1"
	done < $opsfile
    fi
}

# do_strip_bin(): Strip binaries
# params: none
do_strip_bin()
{
    echo "Stripping ELF binaries..."
    for f in `$FIND . -type f \( -perm -0100 -o -perm -0010 -o -perm -0001 \) -exec $FILE {} \; | \
	$GREP -v ' dynamic lib ' | \
	$SED -n -e 's/^\(.*\):[	]*ELF.*\(not stripped\).*/\1/p'`; do
	$STRIP $strip_elf_args $f || :
    done
} 

# do_strip_shared(): Strip shared libraries
# params: none
do_strip_shared()
{
    echo "Stripping ELF shared objects..."
    # Strip ELF shared objects (see brp-strip-shared from RPM)
    # Please note we don't restrict our search to executable files because
    # our libraries are not (should not be, at least) +x.
    for f in `$FIND . -type f -a -exec $FILE {} \; | \
	grep ' dynamic lib ' | \
	$SED -n -e 's/^\(.*\):[	]*ELF.*\(not stripped\).*/\1/p'`; do
	$STRIP $strip_shared_args $f
    done
}

# do_strip_static(): Strip static archives
# params: none
do_strip_static()
{
    echo "Stripping static archives..."
    # Strip static libraries. (see brp-strip-static-archive from RPM)
    for f in `$FIND . -type f -a -exec $FILE {} \; | \
	$GREP 'current ar archive' | \
	$SED -n -e 's/^\(.*\):[	]*current ar archive .*/\1/p'`; do
	$STRIP $strip_static_args $f
    done
}

##################################
# "external" functions
##################################
# create_idb(): Create the .idb file
# params: none
# Create idb file and insert any firstop/lastops
# Note that parse_def does most of the work.
create_idb()
{

    fetch_ops
    parse_def

    # hackish - FIXME perhaps?
    local pcpos=${#pc[@]} # First vacant position in the subsys list array $pc

    if [ -d "${stagedir}${metainstalldir}src" ]; then # We have a srcdir which means we have patches, so add them to the idb file
	add_files "${metaprefix}src" opt.src - root sys ""
	pc[$pcpos]="opt.src"
	let "pcpos = pcpos + 1"
    fi
    # HACK: relnotes cannot be updated before auto_deps has run
    # but auto_deps needs the idb file.
    # We'll create an empty placeholder so satisfy the code below that
    # checks for releasenotes and updates the idb file.
    # This snippet was taken from auto_rel and should be kept in sync
    for i in relnotes relnotes.${_os} relnotes.txt relnotes.${_os}.txt;
    do
	[ -r ${metadir}/${i} ] && rn=$i
    done
    if [ -r ${metadir}/${rn} ]; then
	local relmetadir=${stagedir}${metainstalldir}relnotes/$topdir-$version-$pkgver
	$MKDIR -p $relmetadir
	echo "" > ${relmetadir}/${topdir}.txt
    fi
    if [ -d "${stagedir}${metainstalldir}relnotes" ]; then # We have releasenotes, add them to idb file
	add_files "${metaprefix}relnotes" opt.relnotes - root sys ""
	pc[$pcpos]="opt.relnotes"
	let "pcpos = pcpos + 1"
    fi
    # spec & idb files are added unconditionally
    pc[$pcpos]="opt.dist"
    # Add entries for the spec & idb files (opt.dist), they will be installed later, after they've actually been created
    echo "f 0644 root sys ${metainstalldir:1}dist/$topdir-$version-$pkgver/$topdir.idb ${metaprefix}dist/$topdir-$version-$pkgver/$topdir.idb ${pkgname}.opt.dist" >>$idbfile
    echo "f 0644 root sys ${metainstalldir:1}dist/$topdir-$version-$pkgver/$topdir.spec ${metaprefix}dist/$topdir-$version-$pkgver/$topdir.spec ${pkgname}.opt.dist" >>$idbfile
    echo "${metaprefix}dist/$topdir-$version-$pkgver/$topdir.idb" >> $metadir/files.tmp
    echo "${metaprefix}dist/$topdir-$version-$pkgver/$topdir.spec" >> $metadir/files.tmp

    $SORT +4u -6 < $idbfile > $metadir/idbtemp
    lines=$(wc -l < $metadir/idbtemp)
    if [ ! -z "$firstop" ]; then
	echo "$(head -1 $metadir/idbtemp) $firstop" > $metadir/idbtemp2
	tail +2 $metadir/idbtemp >> $metadir/idbtemp2
    else
	mv $metadir/idbtemp $metadir/idbtemp2
    fi
    if [ ! -z "$lastop" ]; then
	let "lines=$lines - 1"
	echo "$(head -$lines $metadir/idbtemp2)" > $idbfile
	echo "$(tail -1 $metadir/idbtemp2) $lastop" >> $idbfile
    else
	mv $metadir/idbtemp2 $idbfile
    fi
    $RM -f $metadir/idbtemp $metadir/idbtemp2
}

# create_spec(): Create the .spec file.
# params: none
# Uses name, pkgname & pkgver variables
# Iterate through pctop and for each iteration find
# all entries in pc belonging to that image
#
create_spec()
{
    fetch_imageconf
    fetch_subsysdesc
    fetch_depends
    spec_header $pkgname "$name $version-${pkgver}${shortdesc}" > $specfile
    local pcsize=${#pc[@]}
    local pctopsize=${#pctop[@]}
    local reqidlist
    for ((i=0; i < $pctopsize; i++))
    do
	local pcidx=0
	spec_img_header ${pctop[$i]} "${pdtop[$i]}" $version-$pkgver >> $specfile
	while [ "$pcidx" -lt "$pcsize" ]
	do
	    rv=`$EXPR match "${pc[$pcidx]}" ''${pctop[$i]}\\\.''`
	    if [ ! "$rv" -eq 0 ]; then # We got a hit!
		spec_subsys_header ${pctop[$i]} `echo ${pc[$pcidx]}|$CUT -d . -f 2` "${pd[$pcidx]}" "${ps[$pcidx]}" >> $specfile
		reqsize=${#reqs[@]}
		unset reqidlist # Zero the array
		reqidlidx=0
		for ((j=0; j < $reqsize; j++))
		do
		    if [ "${reqs[$j]}" == "${pc[$pcidx]}" ]; then 
			reqidlist[$reqidlidx]=$j
			let "reqidlidx=$reqidlidx + 1"
		    fi
		done
		reqidlsize=$reqidlidx
		if [ "$reqidlsize" -ge 1 ]; then
		    spec_subsys_req_header >> $specfile
		    for ((j=0; j < $reqidlsize; j++))
		    do
			id=${reqidlist[$j]}
			spec_subsys_req "${reqp[$id]}" >> $specfile
		    done
		    spec_subsys_req_footer >> $specfile
		fi
		spec_subsys_footer >> $specfile
	    fi
	    let "pcidx = $pcidx + 1"
	done
	spec_img_footer >> $specfile
    done
    spec_footer >> $specfile
}

# make_dist(): Create inst image
# params: none
# Run gendist to create the instimage
make_dist()
{
    if [ "$1" == "shortroot" ]; then
	error $E_ARG_OBSO make_dist
    fi

    local sbase=${stagedir}${topinstalldir}
    local disttmp=/tmp/disttmp$$
    $MKDIR $disttmp

    local dfile=$(_upls $distfile)

    $GENDIST $GENDIST_OPTS -rbase $topinstalldir -sbase $sbase -idb $idbfile -spec $specfile -dist $disttmp
    setdir $disttmp
    $VTAR -cf $distdir/$dfile $pkgname*

    setdir stage
    $RM -rf $disttmp
    echo "Done. Package was created as $dfile"
}

# parse_pkgdef(): Read in $metadir/pkgdef
# params: none
# This will parse the package descriptions in
# pkgdef that tells us how many packages there
# should be and what they include.
parse_def()
{
    local section=0
    local foundfiles=0
    local secname=""
    local secpos=0
    local legalend=0
    local index=0
    local found=0
    local i=0
    local equalindex=""

    while read line
    do
        case ${line:0:1} in
            '#') ;;
            '[')
                if [ $section -eq 1 ]; then
                    error $E_BAD_SECTION_BEGIN parse_def
                else
                    section=1
                    secname="${line:1:((${#line}-2))}"
                    legalend=0
                fi
                ;;
            '')
                if [ $section -eq 0 ]; then
                    error $E_BAD_SECTION_END parse_def
                else
                    section=0 # Finished this section
                    foundfiles=0 #
                    legalend=1 # We encountered a syntacticly correct section end
                fi
                ;;
            *)
                equalindex=$(expr index "$line" "\=")
                if [ $equalindex -ne 0 ]; then
                    case "${line:0:(($equalindex-1))}" in
                        'pkgname')
                                    pkgname="$(_upls ${line:$equalindex:${#line}})"
                                    ;;
                        'name')
                                    name="$(_upls ${line:$equalindex:${#line}})"
                                    ;;
                        'pkgver')   
                                    pkgver="$(_upls ${line:$equalindex:${#line}})"
                                    ;;
			'subsys')   subsys="$(_upls ${line:$equalindex:${#line}})"
				    found=0
				    for i in ${pc[@]} # If $subsys is already there then don't add it again
				    do
					if [ "$i" = "$subsys" ]; then
					    found=1
					    break       # It's already there so skip out
					fi
				    done
				    if [ $found -eq 0 ]; then
					pc[$index]=$subsys
					let "index = $index + 1"
				    fi
				    ;;
			'shortdesc')
				    shortdesc="$(_upls ${line:$equalindex:${#line}})"
				    if [ ! -z "$shortdesc" ]; then
					shortdesc=" - $shortdesc"
				    fi
				    ;;
                    esac
                else # Perhaps we hit 'files'?
                    if [ "${line:0:5}" == "files" ]; then
                        triplet="${line:6:((${#line}-5-2))}"
                        defaultperms=$(_upls $(echo $triplet | $AWK -F, '{ print $1 }'))
                        defaultuid=$(_upls $(echo $triplet | $AWK -F, '{ print $2 }'))
                        defaultgid=$(_upls $(echo $triplet | $AWK -F, '{ print $3 }'))
                        foundfiles=1
                    else
                        if [ $foundfiles -eq 1 ]; then # We already found the 'files' line so this must be the filelist
                            if [ "${line:0:5}" == "hide " ]; then
				specattr="nohist"
				line=${line:5}
			    fi
			    if [ "${line:0:4}" == "dir " ]; then
				add_dir "${line:4}" $subsys $defaultperms $defaultuid $defaultgid # Add dir entry to idb file
			    else
				add_files "$line" $subsys $defaultperms $defaultuid $defaultgid "$specattr" # Build idb file from filespec
                            fi
			    specattr="" # Reset special attribute
                        fi
                    fi
                fi
                ;;
        esac
    done < $metadir/pkgdef
    # If there is no blank line at the end of a pkgdef section (if there is only one section that is very
    # likely) then we end up here without having executed the 'section end' actions (case '' above)
    if [ $legalend -eq 0 ]; then
        if [ $section -eq 0 ]; then
            error $E_BAD_SECTION_END parse_def
        else
            section=0 # Finished this section
            foundfiles=0 #
        fi
    fi
}

# check_unpackaged(): Check if there are unpackaged files in the stage area
# params: none
check_unpackaged()
{
    local upf
    local i
    $FIND . -type f -print|$SED -e 's/\.\///g' > $tmpdir/files.tmp
    $FIND . -type l -print|$SED -e 's/\.\///g' >> $tmpdir/files.tmp
#    $FIND . -type d -print|$SED -e 's/\.\///g'|$GREP -v '^\.' >> $tmpdir/files.tmp
    $SORT $metadir/files.tmp|$UNIQ > $tmpdir/f1
    $SORT $tmpdir/files.tmp > $tmpdir/f2
    upf="$($CAT $tmpdir/f1 $tmpdir/f2 | $SORT | $UNIQ -u)"
    if [ ! -z "$upf" ]; then
	echo "There are unpackaged files in the stagedir:"
	for i in $upf
	do
	    echo "${indent4}${i}"
	done
        $RM -f $tmpdir/f1 $tmpdir/f2
	if [ "$ignore_unpackaged_files" -eq 0 ]; then
	    error $E_UNPACKAGED_FILES check_unpackaged
	fi
    fi
    $RM -f $tmpdir/f1 $tmpdir/f2
}

# auto_src(): Automatically place any patches and srcfiles into the stagedir
# params: none
# Grabs the original source and any patches and shoves them into
# ${metainstalldir}src/$topdir-$version-$pkgver for adding to the opt.src subsystem
auto_src()
{
    local distsrcdir="${stagedir}${metainstalldir}src/$topdir-$version-$pkgver"
    # Add patches
    local numpatch=${#patch[@]}
    local pnum=0
    if [ "$numpatch" -gt 0 ]; then
	$MKDIR -p $distsrcdir
	for ((pnum=0; pnum < $numpatch; pnum++))
	do
	    if [ ! -z ${patch[$pnum]} ]; then # They didn't give us an empty string
		if [ "${patch[$pnum]:0:1}" != "/" ]; then # We have a relative pathname
		    # expand to absolute
		    patch[$pnum]=$patchdir/${patch[$pnum]}
		fi # We are now sure that $patch[$pnum] contains file with absolute path
		if [ -r ${patch[$pnum]} ]; then # file is readable
		    echo "Copying patch[$pnum] - ${patch[$pnum]}"
		    $CP ${patch[$pnum]} $distsrcdir
		else
		    error $E_BAD_FILE patch
		fi
	    else
		echo "Patch $pnum has empty filename"
	    fi
	done
    fi
    # Add sourcecode
    if [ $include_source -eq 1 ]; then
	$MKDIR -p $distsrcdir
	local numsource=${#source[@]}
	local snum=0
	for ((snum=0; $snum < $numsource; snum++))
	do
	    if [ "${source[$snum]:0:1}" != "/" ]; then # We have a relative pathname
		# expand to absolute
		source[$snum]=$srcfiles/${source[$snum]}
	    fi # We are now sure that ${source[$snum]} contains file with absolute path
	    if [ -r ${source[$snum]} ]; then
		echo "Copying source[$snum] - ${source[$snum]}"
		$CP ${source[$snum]} $distsrcdir
	    fi
	done
    fi
}

# rel_conf_sub(): Put configure_args into the relnotes template
# params: none
# The set_configure_args command will call this function to 
# substitute %%CONFIGURE%% in the relnotes template at the
# time of expansion.
rel_conf_sub()
{
    local rn
    local i
    for i in relnotes relnotes.${_os}
    do      
	[ -r ${metadir}/${i} ] && rn=$i
    done            
    # Duplicated code from auto_rel :(
    # compute configure info for relnotes
    local cf="$(_upls $configure_args)"
    [ -n "$ac_overrides" ] && local aco="$(echo $ac_overrides | $TR ' ' '\n' | $AWK '{ printf "%s \\\\ \\n",$0 }')"
    local temp_fullcf="$(echo "$__configure $cf" | $AWK '{ printf "%s\\n",$0 }')"
    temp_fullcf="$(echo "${aco}${temp_fullcf}")"
    # Remove trailing whitespace and \n
    local fullcf="${temp_fullcf%\\*}"
    # end
    if [ -r ${metadir}/${rn} ]; then
	$SED -e "s;%%CONFIGURE%%;$fullcf;g" \
	    ${metadir}/${rn} > ${metadir}/${rn}.txt
    fi
}

# set_configure_args(): Stuff new arguments into configure_args
# params: $1 = configure arguments
# If you want non-default configure_args put into relnotes
# automatically, then use this function to set them instead
# of overriding the configure_args variable directly.
set_configure_args()
{
    configure_args="$1"
    rel_conf_sub
}

# auto_rel(): Fix up and add releasenotes to stagedir
# params: none
# This will make some substitutions on a release note template
# and then copy the result to $stagedir/${metainstalldir}relnotes/$topdir-$version-$pkgver.txt
auto_rel()
{
    local i
    local rn

    for i in relnotes relnotes.${_os} relnotes.txt relnotes.${_os}.txt;
    do
	[ -r ${metadir}/${i} ] && rn=$i
    done
    if [ -r ${metadir}/${rn} ]; then
	local relmetadir=${stagedir}${metainstalldir}relnotes/$topdir-$version-$pkgver
	# compute configure info for relnotes
	local cf="$(_upls $configure_args)"
	[ -n "$ac_overrides" ] && local aco="$(echo $ac_overrides | $TR ' ' '\n' | $AWK '{ printf "%s \\\\ \\n",$0 }')"
	local temp_fullcf="$(echo "$__configure $cf" | $AWK '{ printf "%s\\n",$0 }')"
	temp_fullcf="$(echo "${aco}${temp_fullcf}")"
	# Remove trailing whitespace and \n
	local fullcf="${temp_fullcf%\\*}"
	# end
	case $mipspro in
	    0)
		local compiler_temp="$(gcc --version 2>&1 | $SED -n '1,1p')" 
		local compiler="gcc ${compiler_temp##* }"
		;;
	    1) 
		local compiler="$(cc -version 2>&1)"
		;;
	    2)
		local compiler="Irix 5.3 IDO"
		;;
	    *)
		echo "Unknown compiler: mipspro=$mipspro"
		exit 1
		;;
	esac
	local pkgnam_temp=$($GREP 'pkgname=' $metadir/pkgdef)
	local pkgnam=$(_upls ${pkgnam_temp#pkgname=*})
	local vendor_temp=$($GREP 'pkgvendor=' $metadir/pkgdef)
	local vendor=$(_upls ${vendor_temp#pkgvendor=*})
	local packager="${pkgedby} <${email}>"
	# Compute SHA1 sums for all source entries
	local s
	local path
	local file
	local source_sha1sum
	local temp_source_sha1sum=""
	for ((s=0; $s < ${#source[@]}; s++))
	do
	    # A little snip from buildpkg.functions:unpack
	    if [ "${source[$s]:0:1}" != "/" ]; then # We have a relative pathname
		# expand to absolute
		[ -r "$srcdir/${source[$s]}" ] && source[$s]="$srcdir/${source[$s]}"
		[ -r "$srcfiles/${source[$s]}" ] && source[$s]="$srcfiles/${source[$s]}"
	    fi # We are now sure that ${source[$s]} contains file with absolute path
	    # To avoid recording an absolute path in the sha1sum output that gets inserted
	    # into relnotes we cd first then run sha1sum
	    path="${source[$s]%/*}" # Extract path part
	    file="${source[$s]##*/}" # Extract filename part
	    (cd "$path"; $SHA1SUM "$file") >> $metadir/sums
	done
	[ -r "$metadir/sums" ] && temp_source_sha1sum="$(cat $metadir/sums | $AWK '{ printf "%s\\n",$0 }')"
	source_sha1sum="${temp_source_sha1sum%\\*}"
	# End of SHA1 sum computing
	local temp_extracted_env="$($SED -e 's/export /echo ENV /g' ${buildpkgbase}/${pkgdir}/build.sh >> /tmp/env.sh; bash /tmp/env.sh|$GREP ^ENV|$SED -e 's/ENV //g'|$AWK '{ printf "%s\\n",$0 }' && $RM -f /tmp/env.sh)"
	# Remove trailing \n
	local extracted_env="${temp_extracted_env%\\*}"
	if [ -r ${depends}_all ]; then
	    local temp_deps="$($CAT ${depends}_all | $GREP -v $pkgnam | $GREP $pkgprefix | $SED -e "s/.*${pkgprefix}//" | $CUT -d. -f1 | $SORT -u | $AWK '{ printf "%s\\n",$0 }')"
	else
	    local temp_deps=""
	fi
	local deps="${temp_deps%\\*}"
	$MKDIR -p $relmetadir
	$SED -e "s;%%PKGNAME%%;${pkgnam};g" \
	    -e "s;%%SOURCE_AND_VER%%;${topdir}-${version};g" \
	    -e "s;%%CONFIGURE%%;${fullcf};g" \
	    -e "s;%%COMPILER%%;${compiler};g" \
	    -e "s;%%VENDOR%%;${vendor};g" \
	    -e "s;%%PKGEDBY%%;${packager};g" \
	    -e "s;%%SOURCE_SHA1SUM%%;${source_sha1sum};g" \
	    -e "s;%%ENVIRONMENT%%;${extracted_env};g" \
	    -e "s;%%DEPENDENCIES%%;${deps};g" \
		${metadir}/${rn} > "$relmetadir/${topdir}.txt"
    else
	echo "auto_rel: No release notes found!"
    fi
}

# auto_dist(): Add idb & spec files to stagedir
# params: none
# This will copy the newly created idb & spec files to 
# the stagedir under ${metainstalldir}dist/$topdir-$version-$pkgver
auto_dist()
{
    local distmetadir=${stagedir}${metainstalldir}dist/$topdir-$version-$pkgver
    $MKDIR -p $distmetadir
    $CP $idbfile $distmetadir
    $CP $specfile $distmetadir
}

# dep_pkg_name: Given a filename it will look it up and find the subsystemname
# Params: A list of filenames
# Uses the showfiles cache to find the subsystemnames that the input filenames
# belong to.
dep_pkg_name()
{
    local pkg
    while read files
    do
	for i in $files
	do
	    [ -L "$i" -a $deps_resolve_symlinks -eq 1 ] && i=$(${READLINK} -f "$i")
	    pkg=$(${GREP} " ${i:1}$" $showfilescache 2>/dev/null)
	    if [ -n "$pkg" ]; then
		#echo "Found $i in $pkg" >> /tmp/depdebug
		echo "$pkg"
	    fi
	done
    done
}

# extract_deps: Given a subsystem it will extract the dependencies
# params: $1 = subsystem name (like tgc_xxx.sw.lib)
# It goes through the idb file and finds all the files
# associated with a given subsystem. It will then compute
# the dependencies and return the package names for the dependencies.
extract_deps()
{
    # Can't use setdir since it has output
    cd ${stagedir}${topinstalldir}

    # Grab the filelist and classify files
    local filelist=$($GREP $1 $idbfile | $AWK '{ print $6 }')
    local exelist=$(echo $filelist | $XARGS $FILE | $EGREP -v ":.* (commands|script) " | $GREP ":.*executable" | $CUT -d: -f1)
    local scriptlist=$(echo $filelist | $XARGS $FILE | $EGREP ":.* (commands|script) " | $CUT -d: -f1)
    local liblist=$(echo $filelist | $XARGS $FILE | $GREP ":.*dynamic lib" | $CUT -d: -f1)

    # Compute dependencies for executables
    if [ -n "$exelist" ]; then
	for f in $exelist; do
	    [ -r $f -a -x $f ] || continue
	    # Generic Irix ldd
	    # $LDD $f | $GREP \= | $AWK -F'	' '{ print $3 }'  | $CUT -d\  -f2
	    # Ariel Faigons perl5 ldd
	    $LDD $f | $GREP \= | $GREP -v 'not found' | $SED -e 's/.*=> //g'
	done | $SORT -u | dep_pkg_name | $AWK '{ print $4 }' | $SORT -u
    fi
    # Compute dependencies for dynamic libraries
    if [ -n "$liblist" ]; then
	for f in $liblist; do
	    [ -r $f ] || continue
	    # Generic Irix ldd
	    #$LDD $f | $GREP \= | $AWK -F'	' '{ print $3 }'  | $CUT -d\  -f2
	    # Ariel Faigon's perl5 ldd
	    $LDD $f | $GREP \= | $GREP -v 'not found' | $SED -e 's/.*=> //g'
	done | $SORT -u | dep_pkg_name | $AWK '{ print $4 }' | $SORT -u
    fi
    # Compute dependencies for scripts
    if [ -n "$scriptlist" ]; then
	for f in $scriptlist; do
	    [ -r $f -a -x $f ] || continue
	    interp="$($HEAD -n 1 $f | $CUT -d\! -f2- | $SED -e 's/ -.*//')"
	    if [ -L "$interp" ]; then
		echo $($FILE -h "$interp" | $SED -e 's/.* to //')
	    else
		if [ "$(echo $interp | $CUT -d' ' -f1)" = "/usr/bin/env" ]; then
		    echo "/usr/bin/env"
		else
		    echo $interp
		fi
	    fi
	done | $SORT -u | dep_pkg_name | $AWK '{ print $4 }' | $SORT -u
    fi
}

# auto_deps(): Compute dependencies
# params: none
# This will go through the idb file and identify the subsystems.
# It will then call extract_deps() to get the packagenames of the
# dependencies. The dependencies will be added to $metadir/depends_auto.
auto_deps()
{
    local i
    local j
    local deps
    local subsystems

    # Populate showfiles cache
    $SHOWFILES -l > $showfilescache

    subsystems="$($AWK '{ print $7 }' < $idbfile | $SORT -u | $GREP sw)"
    for i in $subsystems
    do
	deps="$(extract_deps $i)"
	for j in $deps
	do
	    echo "${i#*.} $j $($SHOWPRODS -n $j | $GREP $j | $AWK '{ print $3 }') maxint"
	done
    done | $SORT -u | grep $pkgprefix > ${depends}_auto
    rm -f $showfilescache
}

# run_configure(): Do the configure part of the build stage
# params: none
#
run_configure()
{
    #eval "$ac_overrides ./configure $(_upls $configure_args)"
    local acvar
    for acvar in $ac_overrides
    do
	export $acvar
    done
    $__configure $(_upls $configure_args)
    if [ $check_ac -gt 0 ]; then
	local out="$(check_ac warn $configlog)"
	if [ -n "$out" ]; then
	    echo $out 
	    error $E_BAD_LIBS run_configure
	fi
    fi
}

# generic_pack(): Build package using files from 'install' stage
# params: $1 - indicating whether or not the root is complete as described below
# We expect generic_install to have made $stagedir the "root" dir
# in that all paths below will be complete (ie. /usr/local/bin and not
# just bin).
generic_pack()
{   
    if [ "$1" == "shortroot" ]; then
	error $E_ARG_OBSO generic_pack
    fi
    clean meta

    if [ -d ${stagedir}${prefix}/${_mandir} ]; then
	setdir "${stagedir}${prefix}/${_mandir}"
	[ "$symlinkman" -eq 1 ] && symlink_man
	[ "$catman" -eq 1 ] && fix_man
	[ "$gzman" -eq 1 -o "$compressman" -eq 1 ] && compress_man
    fi
    if [ -d ${stagedir}${prefix}/${_infodir} ]; then
	setdir "${stagedir}${prefix}/${_infodir}"
	[ "$gzinfo" -eq 1 ] && compress_info
    fi

    # pkgdef entries should always be relative to topinstalldir
    # except for the auto ones - src,dist,relnotes
    # In that case we use metaprefix to designate their position relative
    # to topinstalldir (note metainstalldir can never be above topinstalldir)
    # ie. topinstalldir=/usr/local/gcc & metainstalldir=/usr/local is a no no.
    # but topinstalldir=/usr/local & metainstalldir=/usr/local is okay and is the
    # default
    # This mostly matters when we have topinstalldir=/ and prefix=/usr/local like
    # with prngd and openssh
    # Also note that metaprefix is entirely for internal use in create_idb when
    # we create the "auto" entries.
    setdir ${stagedir}${topinstalldir}
    # Determine at what level metainstalldir is compared to topinstalldir
    metaprefix=${metainstalldir##$topinstalldir}
    metaprefix="${metaprefix#/*}"
    # If we have a path then we'll need a / appended
    [ ! -z "$metaprefix" ] && metaprefix="${metaprefix}/"
    # We need to add slash to the end of metainstalldir but *only* if
    # metainstalldir is not /. We do this to avoid creating an absolute path 
    # which could happen with metainstalldir=/ if we unconditionally add /.
    [ ! "$metainstalldir" == "/" ] && metainstalldir="${metainstalldir}/"

    auto_src # Add any patches
    create_idb
    auto_deps
    create_spec
    auto_rel # Fix up and add releasenotes
    auto_dist # Add idb & specfiles to stagedir
    check_unpackaged
    make_dist
}


# vim: set filetype=sh : #
# vim: set sts=4 : #
# vim: set shiftwidth=4 : #