#!/bin/bash

# repos
UPSTREAM_CLONE="git://vxgit.wrs.com/git"
# UPSTREAM_PUSH="ssh://vxgit.wrs.com/git"
ROOT_REPO=cgcs-root

JENKINS_HOST=yow-cgts3-lx.wrs.com

# SOURCE_CONTEXT=TC_17.06
# SOURCE_JENKINS_BUILD=TC_17.06_Pull
# PREFIX=TC
# SW_VERSION=18.03
# JOB=patching
USAGE=0

if [ x"$1" = x ] ; then
    echo "ERROR: You must specify a source context"
    USAGE=1
fi
SOURCE_CONTEXT=$1

if [ x"$2" = x ] ; then
    echo "ERROR: You must specify a source context"
    USAGE=1
fi
SOURCE_JENKINS_BUILD=$2

if [ x"$3" = x ] ; then
    echo "ERROR: You must specify a prefix for patch and patch branch names"
    USAGE=1
fi
PREFIX=$3

if [ x"$4" = x ] ; then
    echo "ERROR: You must specify a sw_version"
    USAGE=1
fi
SW_VERSION=$4

if [ x"$5" = x ] ; then
    echo "ERROR: You must specify a job directory"
    USAGE=1
fi
JOB=$5

if [ $USAGE -ne 0 ] ; then
    echo "USAGE: make_patching_branch <source_context> <jenkins_src_job> <prefix> <sw_version> <repo_dir>"
    echo " e.g.  make_patching_branch CGCS_DEV_0007 Secure_Src_Pull_CGCS_DEV_0007 CGCS 14.10 testpatch"
    exit 1
fi

PATCH_BRANCH=$PREFIX"_"$SW_VERSION"_PATCHING"
PATCH_TAG0=v$PREFIX"_"$SW_VERSION"_PATCH_0000"
MY_LOCAL_DISK=/localdisk/designer/$USER/$JOB
MY_REPO=$MY_LOCAL_DISK

if [[ "$JOB" = /* ]]
then
    MY_LOCAL_DISK=$JOB
    MY_REPO=$JOB
fi


echo "PREFIX=$PREFIX"
echo "SW_VERSION=$SW_VERSION"
echo "JOB=$JOB"
echo "SOURCE_CONTEXT=$SOURCE_CONTEXT"
echo "MY_LOCAL_DISK=$MY_LOCAL_DISK"
echo "MY_REPO=$MY_REPO"
echo "SOURCE_JENKINS_BUILD=$SOURCE_JENKINS_BUILD"
echo "PATCH_BRANCH=$PATCH_BRANCH"
echo "UPSTREAM_CLONE=$UPSTREAM_CLONE"

mkdir -p $MY_LOCAL_DISK
if [ $? -ne 0 ] ; then
    echo "ERROR: failed to create directory '$MY_LOCAL_DISK'"
    exit 1
fi

cd $MY_LOCAL_DISK
if [ $? -ne 0 ] ; then
    echo "ERROR: failed to change to directory '$MY_LOCAL_DISK'"
    exit 1
fi

# Get latest tools
if [ ! -d bin ] ; then
    echo "clone bin"
    git clone git://git.wrs.com/git/bin
else
    echo "pull bin"
    cd bin
    git pull
    cd $MY_LOCAL_DISK
fi


export PATH=$MY_REPO/build-tools/branching:$PATH


# Create repo
mkdir -p $MY_REPO
if [ $? -ne 0 ] ; then
    echo "ERROR: failed to create directory '$MY_REPO'"
    exit 1
fi

chgrp cgts $MY_REPO
if [ $? -ne 0 ] ; then
    echo "ERROR: failed chgrp '$MY_REPO'"
    exit 1
fi

chmod 750 $MY_REPO
if [ $? -ne 0 ] ; then
    echo "ERROR: failed to chmod '$MY_REPO'"
    exit 1
fi

cd $MY_REPO
if [ $? -ne 0 ] ; then
    echo "ERROR: failed to change to directory '$MY_LOCAL_DISK'"
    exit 1
fi

if [ ! -d $ROOT_REPO ] ; then
    WRGIT_ALL_ADDONS=1 wrgit clone $UPSTREAM_CLONE/$ROOT_REPO $ROOT_REPO $SOURCE_CONTEXT
    if [ $? -ne 0 ] ; then
        echo "ERROR: failed to clone from repo '$UPSTREAM_CLONE' with context '$SOURCE_CONTEXT'"
        exit 1
    fi

    MY_REPO=$MY_REPO/$ROOT_REPO
else
    MY_REPO=$MY_REPO/$ROOT_REPO
    cd $MY_REPO
    if [ $? -ne 0 ] ; then
        echo "ERROR: failed to change to directory '$MY_REPO'"
        exit 1
    fi

    wrgit checkout $SOURCE_CONTEXT

    if [ $? -ne 0 ] ; then
        echo "ERROR: wrgit checkout '$SOURCE_CONTEXT' failed"
        exit 1
    fi

    wrgit pull

    if [ $? -ne 0 ] ; then
        echo "ERROR: wrgit pull failed"
        exit 1
    fi
fi

cd $MY_REPO
if [ $? -ne 0 ] ; then
    echo "ERROR: failed to change to directory '$MY_REPO'"
    exit 1
fi


git branch | grep $PATCH_BRANCH
if [ $? -ne 0 ] ; then
    # Set context
    CONTEXT_PATH="/localdisk/designer/jenkins/$SOURCE_JENKINS_BUILD/$ROOT_REPO/CONTEXT"
    if [ -f $CONTEXT_PATH ]; then
        cp $CONTEXT_PATH ../
    else
        CONTEXT_PROVIDER=$JENKINS_HOST:$CONTEXT_PATH
        scp $CONTEXT_PROVIDER ../
        if [ $? -ne 0 ] ; then
            echo "ERROR: failed to obtain context from '$CONTEXT_PROVIDER'"
            exit 1
        fi
    fi

    source ../CONTEXT
    if [ $? -ne 0 ] ; then
        echo "ERROR: failed to set context"
        exit 1
    fi

    git branch | grep $PATCH_BRANCH
    if [ $? -ne 0 ] ; then
        # create patching branch and tag
        create_branches_and_tags.sh $PATCH_BRANCH .
        if [ $? -ne 0 ] ; then
            echo "ERROR: failed to create branch '$PATCH_BRANCH'"
            exit 1
        fi

        push_branches_tags.sh $PATCH_BRANCH 
        if [ $? -ne 0 ] ; then
            echo "ERROR: failed to push branch '$PATCH_BRANCH' to '$UPSTREAM_PUSH'"
            exit 1
        fi
    fi
else
    wrgit checkout $PATCH_BRANCH

    if [ $? -ne 0 ] ; then
        echo "ERROR: wrgit checkout '$PATCH_BRANCH' failed"
        exit 1
    fi
fi


git tag | grep $PATCH_TAG0
if [ $? -ne 0 ] ; then
    create_tags.sh $PATCH_TAG0
    if [ $? -ne 0 ] ; then
        echo "ERROR: failed to create tag '$PATCH_TAG0'"
        exit 1
    fi

    push_tags.sh $PATCH_TAG0 
    if [ $? -ne 0 ] ; then
        echo "ERROR: failed to push branch '$PATCH_BRANCH' to '$UPSTREAM_PUSH'"
        exit 1
    fi
fi