source "$SRC_BASE/build-tools/spec-utils"

if [ "x$DATA" == "x" ]; then
   echo "ERROR: Environment variable 'DATA' not defined."
   exit 1
fi

if [ ! -f "$DATA" ]; then
   echo "ERROR: Couldn't find '$PWD/$DATA'"
   exit 1
fi

unset TIS_PATCH_VER # Ensure there's nothing in the env already

source $DATA

if [ -z "$TIS_PATCH_VER" ]; then
   echo "ERROR: TIS_PATCH_VER must be defined"
   exit 1
fi

SRC_DIR="cgcs-patch"
EXTRA_DIR="bin"

VERSION=$(grep '^Version:' PKG-INFO | awk -F ': ' '{print $2}' | sed -e 's/^[[:space:]]*//')
TAR_NAME=$(grep '^Name:' PKG-INFO | awk -F ': ' '{print $2}' | sed -e 's/^[[:space:]]*//')
CUR_DIR=`pwd`
BUILD_DIR="$RPMBUILD_BASE"

mkdir -p $BUILD_DIR/SRPMS

TAR="$TAR_NAME-$VERSION.tar.gz"
TAR_PATH="$BUILD_DIR/SOURCES/$TAR"

# copy the LICENSE for rpm spec %license directive
cp $SRC_DIR/LICENSE $BUILD_DIR/SOURCES/

TAR_NEEDED=0
if [ -f $TAR_PATH ]; then
    n=`find . -cnewer $TAR_PATH -and !  -path './.git*' \
                                -and ! -path './build/*' \
                                -and ! -path './.pc/*' \
                                -and ! -path './patches/*' \
                                -and ! -path "./$DISTRO/*" \
                                -and ! -path './pbr-*.egg/*' \
                                | wc -l`
    if [ $n -gt 0 ]; then
        TAR_NEEDED=1
    fi
else
    TAR_NEEDED=1
fi

if [ $TAR_NEEDED -gt 0 ]; then
    tar czvf  $TAR_PATH $SRC_DIR $EXTRA_DIR \
        --exclude='cgcs-patch/cgcs_patch_id' \
        --exclude='cgcs-patch/cgcs_make_patch' \
        --exclude='.git*' \
        --exclude='build' \
        --exclude='.pc' \
        --exclude='patches' \
        --exclude="$DISTRO" \
        --exclude='pbr-*.egg' \
        --transform "s,^$SRC_DIR/LICENSE,LICENSE," \
        --transform "s,^$SRC_DIR,$TAR_NAME-$VERSION,"
fi


for SPEC in `ls $BUILD_DIR/SPECS`; do
    SPEC_PATH="$BUILD_DIR/SPECS/$SPEC"
    RELEASE=`spec_find_tag Release "$SPEC_PATH" 2>> /dev/null`
    if [ $? -ne 0 ]; then
        echo "ERROR: 'Release' not found in '$SPEC_PATH'"
    fi
    NAME=`spec_find_tag Name "$SPEC_PATH" 2>> /dev/null`
    if [ $? -ne 0 ]; then
        echo "ERROR: 'Name' not found in '$SPEC_PATH'"
    fi
    SRPM="$NAME-$VERSION-$RELEASE.src.rpm"
    SRPM_PATH="$BUILD_DIR/SRPMS/$SRPM"

    BUILD_NEEDED=0
    if [ -f $SRPM_PATH ]; then
        n=`find . -cnewer $SRPM_PATH | wc -l`
        if [ $n -gt 0 ]; then
            BUILD_NEEDED=1
        fi
    else
        BUILD_NEEDED=1
    fi

    if [ $BUILD_NEEDED -gt 0 ]; then
        echo "SPEC file: $SPEC_PATH"
        echo "SRPM build directory: $BUILD_DIR"
        echo "TIS_PATCH_VER: $TIS_PATCH_VER"

        sed -i -e "1 i%define tis_patch_ver $TIS_PATCH_VER" $SPEC_PATH
        rpmbuild -bs $SPEC_PATH --define="%_topdir $BUILD_DIR" --define="_tis_dist .tis"
    fi
done