bin/srcs

#!/bin/bash -e

# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You 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.

component="$1"

dsl=~/.config/srcs.dsl

if [ ! -e "$dsl" ]; then
    if [ "$component" == "__defaults__" ];then
        (
            echo '# srcs dsl language'
            echo '# add_src <component> <remote_name> <git_remote_addr>'
            echo '# git_config <component> <key> <value>'
            for c in tez hive calcite;do
                echo "add_src $c apache https://github.com/apache/$c"
            done
	    echo 'git_config hive extra.ideProjects ql,common'
	    echo 'git_config hive extra.mavenOpts -Denforcer.skip -Phadoop-2,itests'
        )> "$dsl"
        exit 0
    else
        echo -e "ERROR: $dsl not found"
        echo -e "you may get a default by calling invoking:\n   $0 __defaults__"
        exit 1
    fi
fi

[ "$component" == "" ] && echo "usage: $0 <component>" && exit 1

function add_src() {
    if [ "$1" == "$component" ];then
        if git remote get-url "$2" 2>&1 >/dev/null;then
            echo " * already has remote $2"
        else
            echo " * adding $2 ($3)"
            git remote add "$2" "$3"
        fi
    fi
}

function git_config() {
    if [ "$1" == "$component" ];then
        echo " * git config $2=$3"
        git config "$2" "$3"
    fi
}


refs="/work/reference/$component/"
mkdir -p "$refs"

cd "$refs"
[ ! -d .git ] && git init .
echo " * updating refs ($refs)"
echo " * interpreting: $dsl"
. $dsl

git fetch -j10 --all

# go to home dir
cd
[ ! -d "$component" ] && git init "$component"
#&& echo "sources for $component already exists" && exit 1

cd "$component"
if [ -d "$refs" ];then
    echo " * adding reference repo $refs"
    echo "$refs/.git/objects" > .git/objects/info/alternates
fi

echo " * interpreting: $dsl"
. $dsl

git fetch -j10 --all

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