#!/bin/bash
# Copyright (C) 2011-2015 OpenStack Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
#
# See the License for the specific language governing permissions and
# limitations under the License.

# dib-lint: disable=setu setpipefail
if [ ${DIB_DEBUG_TRACE:-0} -gt 0 ]; then
    set -x
fi
set -e

# Build up a list of packages to install by concatenating bindep lists
FALLBACKREPO=/opt/git/openstack-infra/project-config
FALLBACKFILE=jenkins/data/bindep-fallback.txt
PACKAGES=`git --git-dir=$FALLBACKREPO/.git show master:$FALLBACKFILE`

# NOTE(pabelanger): We currently don't gate on bindep.txt/other-requirements.txt
# for centos and fedora nodes. As such, we have no way to ensure this will
# not break DIB process. So we only run this for ubuntu-trusty.
# bindep.txt is new filename, other-requirements.txt is the old one. We should
# handle both for now.
if [ -f /usr/bin/apt-get ] ; then
    for REPO in /opt/git/*/* ; do
        BRANCHES=`git --git-dir=$REPO/.git branch -r | grep '^  origin/[^H]'`
        for BRANCH in $BRANCHES ; do
            for reqsfile in bindep.txt other-requirements.txt ; do
                REQS=`git --git-dir=$REPO/.git show $BRANCH:$reqsfile 2>/dev/null \
                    || true`
                if [ -n "$REQS" ] ; then
                    PACKAGES=`echo -e "$PACKAGES\n$REQS" | sort -u`
                fi
            done
        done
    done
fi

PACKAGELIST=`echo "$PACKAGES" | /usr/bindep-env/bin/bindep -b -f - || true`

if [ -f /usr/bin/apt-get ] ; then
    # --ignore-missing conflicts with set -e, so force it to be ok
    apt-get -y --ignore-missing -d install $PACKAGELIST || true
elif [ -f /usr/bin/emerge ] ; then
    # write out use config (won't install/fetch without it)
    # This lays down install / compile time options needed for bindep to
    # install / fetch the needed packages.
    USE_FILE=/etc/portage/package.use/bindep.use
    cat > $USE_FILE <<EOF
x11-libs/cairo X
x11-libs/gdk-pixbuf X
media-libs/gd truetype png fontconfig jpeg
EOF
    emerge -q --fetchonly $PACKAGELIST || true
else
    ${YUM:-yum} install -y --downloadonly $PACKAGELIST
fi