view deploy/linux/debian-dependencies.sh @ 1620:33d32b3190bf

Store aggregate models in the document and release them when they are invalidated (because their components have been released). They're no longer leaked, but we still don't save them in the session file.

#!/bin/bash

target=$1

if [ ! -f "$target" ]; then 
    echo "Usage: $0 target-executable"
    exit 1
fi

pfile=/tmp/packages_$$
rfile=/tmp/redundant_$$

trap "rm -f $pfile $rfile" 0
echo 1>&2

ldd "$target" | awk '{ print $3; }' | grep '^/' | while read lib; do
    if test -n "$lib" ; then
	dpkg-query -S "$lib"
    fi
    done | grep ': ' | awk -F: '{ print $1 }' | sort | uniq > $pfile

echo "Packages providing required libraries:" 1>&2
cat $pfile 1>&2
echo 1>&2

for p in `cat $pfile`; do 
    echo Looking at $p 1>&2
    apt-cache showpkg "$p" | grep '^  ' | grep ',' | awk -F, '{ print $1; }' | \
	while read d; do 
	    if grep -q '^'$d'$' $pfile; then
		echo $p
	    fi
    done
done | sort | uniq > $rfile

echo "Packages that can be eliminated because other packages depend on them:" 1>&2
cat $rfile 1>&2
echo 1>&2

cat $pfile $rfile | sort | uniq -u | sed 's/$/,/' | fmt -1000 | sed 's/^/Depends: /' | sed 's/,$/, libc6/' | sed 's/libjack0,/jackd,/'