#!/bin/bash

# Updates the timestamp and contents in a package's .project
# if $1 is null, update pkgusr's pkg

pkg="$1"

if [ -z "${pkg}" ]; then
        pkg=$(whoami)
fi

pkgdir=/usr/src/${pkg}

upd_pkg_deps()
{
	for file in $(forall_direntries_from $pkg -type f -executable -readable); do
		(readelf -d $file ; ldd $file ) |
		awk '/NEEDED/ { lib=substr($5,2,length($5)-2); LIBS[lib]=$5 } \
                    /.*=>/ {if ( $1 in LIBS ) LIBS[$1]=$3 } END \
                    { for (lib in LIBS) print LIBS[lib] }' |
		xargs stat --printf "%U:%G\n"
	done|sort -u|tr -s '\n' ' '
}


sed -i "s/\(Last_Updated: \).*$/\1$(date +%c)/" ${pkgdir}/.project
sed -i s/"\(Deps: \).*$"/"\1$(upd_pkg_deps)"/ ${pkgdir}/.project
awk '/^CONTENTS:/ { print; exit; } {print}' ${pkgdir}/.project > ${pkgdir}/.projtmp
echo "--------" >> ${pkgdir}/.projtmp
list_package ${pkg} >> ${pkgdir}/.projtmp
mv ${pkgdir}/.projtmp ${pkgdir}/.project

# If we're root, chown the .project file
[[ $(id -u) -eq 0 ]] && chown -v ${pkg}:${pkg} ${pkgdir}/.project