#!/bin/sh
#
# lddd - find broken library links on your machine
#

ifs=$IFS
IFS=':'

libdirs="/lib:/usr/lib:/opt/qt/lib:/opt/kde/lib:/usr/lib/libfakeroot:/opt/NX/lib"
extras=

TEMPDIR=$(mktemp /tmp/lddd-script.XXXX)
rm $TEMPDIR
mkdir -p $TEMPDIR

echo " Go out and drink some tea, this will take a while :) ..."
#  Check ELF binaries in the PATH and specified dir trees.
for tree in $PATH $libdirs $extras
do
    echo DIR $tree

    #  Get list of files in tree.
    files=$(find $tree -type f ! -name '*.a' ! -name '*.la' ! -name '*.py*' ! -name '*.txt' ! -name '*.h' ! -name '*.ttf' ! -name '*.rb' ! -name '*.ko' ! -name '*.pc' ! -name '*.enc' ! -name '*.cf' ! -name '*.def' ! -name '*.rules' ! -name '*.cmi' ! -name  '*.mli' ! -name '*.ml' ! -name '*.cma' ! -name '*.cmx' ! -name '*.cmxa' ! -name '*.pod' ! -name '*.pm' ! -name '*.pl' ! -name '*.al' ! -name '*.tcl' ! -name '*.bs' ! -name '*.o' ! -name '*.png' ! -name '*.gif' ! -name '*.cmo' ! -name '*.cgi' ! -name '*.defs' ! -name '*.conf' ! -name '*_LOCALE' ! -name 'Compose' ! -name '*_OBJS' ! -name '*.msg' ! -name '*.mcopclass' ! -name '*.mcoptype')
    IFS=$ifs
    for i in $files
    do
        if [ `file $i | grep -c 'ELF'` -ne 0 ]; then
            #  Is an ELF binary.
            if [ `ldd $i 2>/dev/null | grep -c 'not found'` -ne 0 ]; then
                #  Missing lib.
                echo "$i:" >> $TEMPDIR/raw.txt
                ldd $i 2>/dev/null | grep 'not found' >> $TEMPDIR/raw.txt
            fi
        fi
    done
done
grep '^/' $TEMPDIR/raw.txt | sed -e 's/://g' >> $TEMPDIR/affected-files.txt
# invoke pacman
for i in $(cat $TEMPDIR/affected-files.txt); do
    pacman -Qo $i | awk '{print $4,$5}' >> $TEMPDIR/pacman.txt
done
# clean list
sort -u $TEMPDIR/pacman.txt >> $TEMPDIR/possible-rebuilds.txt

echo "Files saved to $TEMPDIR"

# vim:ft=sh:ts=4:sw=4:et: