apt/test/integration/test-apt-by-hash-update

#!/bin/sh
set -e

TESTDIR=$(readlink -f $(dirname $0))
. $TESTDIR/framework

setupenvironment
configarchitecture "i386"

insertpackage 'unstable' 'foo' 'all' '1.0'

setupaptarchive --no-update

APTARCHIVE=$(readlink -f ./aptarchive)

# make Packages *only* accessable by-hash for this test
mkdir -p aptarchive/dists/unstable/main/binary-i386/by-hash/SHA512
(cd  aptarchive/dists/unstable/main/binary-i386/by-hash/SHA512 && 
     mv ../../Packages* . &&
     ln -s Packages.gz  $(sha512sum Packages.gz|cut -f1 -d' ') )

# add sources
mkdir -p aptarchive/dists/unstable/main/source/by-hash/SHA512
(cd  aptarchive/dists/unstable/main/source/by-hash/SHA512 && 
     ln -s ../../Sources.gz  $(sha512sum ../../Sources.gz|cut -f1 -d' ') 
)

# we moved the Packages file away, normal update won't work
testfailure aptget upate

# ensure we do not know about "foo"
testequal "Reading package lists...
Building dependency tree...
E: Unable to locate package foo" aptget install -q -s foo

# ensure we can apt-get update by hash
testsuccess aptget update -o APT::Acquire::By-Hash=1

# ensure it works
testequal "Inst foo (1.0 unstable [all])
Conf foo (1.0 unstable [all])" aptget install -qq -s foo

# add magic string to Release file ...
MAGIC="Acquire-By-Hash: true"
sed -i "s#Suite: unstable#Suite: unstable\n$MAGIC#" aptarchive/dists/unstable/Release
signreleasefiles
# ... and verify that it fetches by hash now
testsuccess aptget update