#!/bin/bash

USAGE=0

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

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

if [ x"$3" = x ] ; then
    echo "ERROR: You must specify a job directory"
    USAGE=1
fi
JOB=$3

PATCH_BRANCH=$PREFIX"_"$SW_VERSION"_PATCHING"
PATCH_ID0=$PREFIX"_"$SW_VERSION"_PATCH_0000"
PATCH_TAG0=v$PATCH_ID0
MY_LOCAL_DISK=/localdisk/designer/$USER/$JOB
MY_REPO=$MY_LOCAL_DISK/cgcs-root
MY_WORKSPACE=/localdisk/loadbuild/$USER/$JOB

if [[ "$JOB" = /* ]]
then
    MY_LOCAL_DISK=$JOB
    MY_REPO=$JOB/cgcs-root
    MY_WORKSPACE=$JOB
fi

if [ x"$4" != x ] ; then
    MY_WORKSPACE=$4
fi

if [ x"$5" != x ] ; then
    MY_LOCAL_DISK=$(realpath $5/..)
fi
MY_REPO=$MY_LOCAL_DISK/cgcs-root

if [ $USAGE -ne 0 ] ; then
    echo "USAGE: make_patching_workspace <prefix> <sw_version> <repo_dir> [<workspace> [<sscache> [<repo>]]]"
    echo " e.g.  make_patching_workspace TC 18.03 testpatch"
    echo " e.g.  make_patching_workspace TC 18.03 mypatch $MY_WORKSPACE $MY_REPO" 
    exit 1
fi

RPM_DB_DIR=$MY_WORKSPACE/export/patch_data
RPM_DB=$RPM_DB_DIR/$PATCH_ID0.rpm_db

echo "PREFIX=$PREFIX"
echo "SW_VERSION=$SW_VERSION"
echo "JOB=$JOB"
echo "MY_LOCAL_DISK=$MY_LOCAL_DISK"
echo "MY_REPO=$MY_REPO"
echo "MY_WORKSPACE=$MY_WORKSPACE"
echo "PATCH_BRANCH=$PATCH_BRANCH"
echo "PATCH_TAG0=$PATCH_TAG0"
echo "RPM_DB_DIR=$RPM_DB_DIR"
echo "RPM_DB=$RPM_DB"


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

export PATH=`pwd`:$PATH

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

# Make sure gits are free of changes that would prevent checkout or pull
for d in $(find . -type d -name .git | xargs --max-args=1 dirname)
do 
   (cd $d
    echo $d
    git clean -df
    git reset --hard
    git ls-files --others --exclude-standard | xargs --no-run-if-empty rm
    if [ ! -f .subgits ]; then
       if [ -f .gitignore ]; then
          git ls-files --others --ignored --exclude-from=.gitignore  | xargs --no-run-if-empty rm
       fi
    fi
   )
done

wrgit checkout $PATCH_TAG0
if [ $? -ne 0 ] ; then
    echo "ERROR: wrgit checkout '$PATCH_TAG0' failed"
    exit 1
fi

# Create workspace
echo  "01: mkdir $MY_WORKSPACE"
if [ ! -d $MY_WORKSPACE ] ; then
    mkdir -p $MY_WORKSPACE
    if [ $? -ne 0 ] ; then
        echo "ERROR: failed to create directory '$MY_WORKSPACE'"
        exit 1
    fi
fi

echo  "02: cd $MY_WORKSPACE"
cd $MY_WORKSPACE
if [ $? -ne 0 ] ; then
    echo "ERROR: failed to change to directory '$MY_WORKSPACE'"
    exit 1
fi

echo "03: build"
if [ ! -f export/bootimage.iso ] ; then
    echo "04: build pkgs"
    nice -n 20 ionice -c Idle build-pkgs
    if [ $? -ne 0 ] ; then
        echo "ERROR: build-pkgs failed"
        exit 1
    fi

    echo "05: build iso"
    nice -n 20 ionice -c Idle build-iso
    if [ $? -ne 0 ] ; then
        echo "ERROR: build-iso failed "
        exit 1
    fi
fi

echo "06: rpm db"
mkdir -p $RPM_DB_DIR
if [ $? -ne 0 ] ; then
    echo "ERROR: failed to make directory '$RPM_DB_DIR'"
    exit 1
fi

echo "" > $RPM_DB
if [ $? -ne 0 ] ; then
    echo "ERROR: failed to write file '$RPM_DB'"
    exit 1
fi

for build_type in std rt; do
    RPM_ROOT_DIR=$MY_WORKSPACE/$build_type/rpmbuild/RPMS
    echo "RPM_ROOT_DIR=$RPM_ROOT_DIR"
    cd $RPM_ROOT_DIR
    if [ $? -ne 0 ] ; then
        echo "ERROR: failed to change to directory '$RPM_ROOT_DIR'"
        exit 1
    fi
    
    for d in `find * -type d`; do
        pushd $d > /dev/null
        if [ $? -ne 0 ] ; then
            echo "ERROR: failed to change to directory '$d'"
            exit 1
        fi
        
        rpm -qp --queryformat "$d %{NAME} %{RELEASE}\n" *rpm >> $RPM_DB 2> /dev/null
        if [ $? -ne 0 ] ; then
            echo "ERROR: rpm query failed in directory '$d'"
            exit 1
        fi
        
        popd > /dev/null
    done
done


echo 'Build is complete'