view deploy/linux/debian-dependencies.sh @ 2152:60d78294ea3a

Oookay... Travis's Trusty image is now too old for the bundled hg to be able to connect to Bitbucket after the latter switched off TLS 1.0 and 1.1 support this month. So we must either use a newer image, or find another workaround. Let's try the newer image first, since we'd probably be using that already if it had existed when we set this up

#!/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,/'