#!/bin/sh
set -e

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

configarchitecture "amd64"

insertpackage 'installed' 'obsolete-dependency' 'amd64' '1.0'
insertpackage 'installed,unstable' 'foo' 'amd64' '2.0' 'Depends: obsolete-dependency'

setupaptarchive

echo 'Debug::pkgProblemResolver "1";' > rootdir/etc/apt/apt.conf.d/debug-problemresolver

# We mark obsolete dependency for removal in B, then in C it is restored.
testsuccessequal "A: foo:amd64 < 2.0 @ii mK >
A: obsolete-dependency:amd64 < 1.0 @ii mK >
B: foo:amd64 < 2.0 @ii mK Ib >
B: obsolete-dependency:amd64 < 1.0 @ii mR >
Entering ResolveByKeep
  Dependencies are not satisfied for foo:amd64 < 2.0 @ii mK Ib >
Keeping package foo:amd64
  Dependencies are not satisfied for foo:amd64 < 2.0 @ii mK Ib >
Package foo:amd64 foo:amd64 Depends on obsolete-dependency:amd64 < 1.0 @ii mR >
  Keeping Package obsolete-dependency:amd64 due to Depends
C: foo:amd64 < 2.0 @ii mK >
C: obsolete-dependency:amd64 < 1.0 @ii mK >" runapt ${APTTESTHELPERSBINDIR}/testkeep obsolete-dependency

# We have protected our decision to remove the obsolete dependency, so we fail to resolve it.
testfailureequal "A: foo:amd64 < 2.0 @ii mK >
A: obsolete-dependency:amd64 < 1.0 @ii mK >
B: foo:amd64 < 2.0 @ii mK Ib >
B: obsolete-dependency:amd64 < 1.0 @ii pmR >
Entering ResolveByKeep
  Dependencies are not satisfied for foo:amd64 < 2.0 @ii mK Ib >
Keeping package foo:amd64
  Dependencies are not satisfied for foo:amd64 < 2.0 @ii mK Ib >
Package foo:amd64 foo:amd64 Depends on obsolete-dependency:amd64 < 1.0 @ii pmR >
  Dependencies are not satisfied for foo:amd64 < 2.0 @ii mK Ib >
  Dependencies are not satisfied for foo:amd64 < 2.0 @ii mK Ib >
  Dependencies are not satisfied for foo:amd64 < 2.0 @ii mK Ib >
  Dependencies are not satisfied for foo:amd64 < 2.0 @ii mK Ib >
C: foo:amd64 < 2.0 @ii mK Ib >
C: obsolete-dependency:amd64 < 1.0 @ii pmR >
E: Unable to correct problems, you have held broken packages." runapt ${APTTESTHELPERSBINDIR}/testkeep obsolete-dependency  --hold