#!/bin/sh
set -e

TESTDIR="$(readlink -f "$(dirname "$0")")"
. "$TESTDIR/framework"
setupenvironment
configarchitecture 'i386'

insertpackage 'unstable,installed' 'libc6' 'i386' '1'
insertpackage 'unstable,installed' 'libselinux1' 'i386' '1'

cp rootdir/var/lib/dpkg/status dpkg.status

insertpackage 'unstable,installed' 'init' 'i386' '1' 'Depends: systemd-sysv
Essential: yes'
insertpackage 'unstable,installed' 'systemd-sysv' 'i386' '215-5+b1' 'Depends: systemd (= 215-5+b1)
Pre-Depends: systemd'
# fun fact: we need these two pre-depends to get systemd ordered before systemd-sysv as
# many pre-depends mean: do early (as they are a pain, so get them out of the way early)
insertpackage 'unstable,installed' 'systemd' 'i386' '215-5+b1' 'Pre-Depends: libc6, libselinux1'

# depends loop
insertpackage 'unstable,installed' 'dependsa' 'i386' '1' 'Depends: dependsb
Essential: yes'
insertpackage 'unstable,installed' 'dependsb' 'i386' '1' 'Depends: dependsa
Essential: yes'

# pre-depends loop
insertpackage 'unstable,installed' 'predependsa' 'i386' '1' 'Pre-Depends: predependsb
Essential: yes'
insertpackage 'unstable,installed' 'predependsb' 'i386' '1' 'Pre-Depends: predependsa
Essential: yes'

# pre-depends-to-depends loop
insertpackage 'unstable,installed' 'predependsdependsa' 'i386' '1' 'Pre-Depends: predependsdependsb
Essential: yes'
insertpackage 'unstable,installed' 'predependsdependsb' 'i386' '1' 'Depends: predependsdependsa
Essential: yes'

setupaptarchive

testsuccessequal 'Reading package lists...
Building dependency tree...
0 upgraded, 0 newly installed, 2 reinstalled, 0 to remove and 0 not upgraded.
Inst systemd [215-5+b1] (215-5+b1 unstable [i386])
Conf systemd (215-5+b1 unstable [i386])
Inst systemd-sysv [215-5+b1] (215-5+b1 unstable [i386])
Conf systemd-sysv (215-5+b1 unstable [i386])' aptget install --reinstall systemd systemd-sysv -s

testsuccessequal 'Reading package lists...
Building dependency tree...
0 upgraded, 0 newly installed, 2 reinstalled, 0 to remove and 0 not upgraded.
Inst dependsa [1] (1 unstable [i386])
Inst dependsb [1] (1 unstable [i386])
Conf dependsb (1 unstable [i386])
Conf dependsa (1 unstable [i386])' aptget install --reinstall dependsa dependsb -s

# there is a chance dpkg can actually do these, BUT this depends on the maintainerscripts (not) present
# which is very risky to depend on (and apt doesn't know about that anyhow).
testfailure aptget install --reinstall predependsa predependsb -s -o Debug::pkgPackageManager=1
testsuccess grep "^E: Couldn't configure predependsa:i386, probably a dependency cycle.$" rootdir/tmp/testfailure.output

# FIXME: the error message is a catch all here, not like the one above
testfailure aptget install --reinstall predependsdependsa predependsdependsb -s -o Debug::pkgPackageManager=1
testsuccess grep "^E: Could not configure 'predependsdependsb:i386'. $" rootdir/tmp/testfailure.output


msgmsg 'While we are at it, lets try these loops without reinstall as well'
cp dpkg.status rootdir/var/lib/dpkg/status

testsuccessequal 'Reading package lists...
Building dependency tree...
The following NEW packages will be installed:
  systemd systemd-sysv
0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded.
Inst systemd (215-5+b1 unstable [i386])
Conf systemd (215-5+b1 unstable [i386])
Inst systemd-sysv (215-5+b1 unstable [i386])
Conf systemd-sysv (215-5+b1 unstable [i386])' aptget install systemd systemd-sysv -s

testsuccessequal 'Reading package lists...
Building dependency tree...
The following NEW packages will be installed:
  dependsa dependsb
0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded.
Inst dependsa (1 unstable [i386]) []
Inst dependsb (1 unstable [i386])
Conf dependsb (1 unstable [i386])
Conf dependsa (1 unstable [i386])' aptget install dependsa dependsb -s

# there is a chance dpkg can actually do these, BUT this depends on the maintainerscripts (not) present
# which is very risky to depend on (and apt doesn't know about that anyhow).
testfailure aptget install predependsa predependsb -s -o Debug::pkgPackageManager=1
testsuccess grep "^E: Couldn't configure predependsa:i386, probably a dependency cycle.$" rootdir/tmp/testfailure.output

# FIXME: the error message is a catch all here, not like the one above
testfailure aptget install predependsdependsa predependsdependsb -s -o Debug::pkgPackageManager=1
testsuccess grep "^E: Could not configure 'predependsdependsb:i386'. $" rootdir/tmp/testfailure.output