#!/bin/bash
#
#   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.
#

if [ $# -ne 2 ]; then
    echo "Usage $0 <branch> <from_tag>"
    echo "  It will list all the changes in branch <branch> from <from_tag> to the HEAD of the branch"
    echo "  Example: $0 v11.0 v11.0.0"
    echo "  Example: $0 v10.0 v10.0.3"
    exit 1
fi

BRANCH="$1"
FROM_REF="$2"
TO_REF="HEAD"

OSM_CHANGES_FOLDER="$(mktemp -d -q --tmpdir "osmchanges.XXXXXX")"
echo "Changes in branch ${BRANCH} from ${FROM_REF} to ${TO_REF} stored in ${OSM_CHANGES_FOLDER}"

#trap 'rm -rf "${OSM_CHANGES_FOLDER}"' EXIT

touch "${OSM_CHANGES_FOLDER}/osm_changes-${BRANCH}-from${FROM_REF}-to${TO_REF}.log"

for repo in NBI osmclient IM NG-UI N2VC NG-UI MON POL PLA RO SOL005 common devops tests; do
    echo ${repo}
    git -C ${OSM_CHANGES_FOLDER} clone "https://osm.etsi.org/gerrit/osm/${repo}"
    git -C ${OSM_CHANGES_FOLDER}/$repo checkout ${BRANCH}
    git -C ${OSM_CHANGES_FOLDER}/$repo log --pretty=format:"%C(yellow)%h %Cblue%ad %Cgreen%>(13,trunc)%an%Cred%d %Creset%s" --date=short ${FROM_REF}..${TO_REF} > "${OSM_CHANGES_FOLDER}/${repo}_changes-${BRANCH}-from${FROM_REF}-to${TO_REF}.log"
    echo ${repo} >> "${OSM_CHANGES_FOLDER}/osm_changes-${BRANCH}-from${FROM_REF}-to${TO_REF}.log"
    git -C ${OSM_CHANGES_FOLDER}/$repo log --pretty=format:"%C(yellow)%h %Cblue%ad %Cgreen%>(13,trunc)%an%Cred%d %Creset%s" --date=short ${FROM_REF}..${TO_REF} >> "${OSM_CHANGES_FOLDER}/osm_changes-${BRANCH}-from${FROM_REF}-to${TO_REF}.log"
    echo >> "${OSM_CHANGES_FOLDER}/osm_changes-${BRANCH}-from${FROM_REF}-to${TO_REF}.log"
done

echo "Changes in branch ${BRANCH} from ${FROM_REF} to ${TO_REF} stored in ${OSM_CHANGES_FOLDER}"
echo "All changes can be found in ${OSM_CHANGES_FOLDER}/osm_changes-${BRANCH}-from${FROM_REF}-to${TO_REF}.log"