#!/usr/bin/env bash

# Written and placed in public domain by Jeffrey Walton
# This script builds Mawk and its dependencies from sources.
# It is needed on Debian and Ubuntu, not Fedora, OS X, Solaris or friends

MAWK_TAR=mawk.tar.gz
MAWK_DIR=mawk-1.3.4-20200120
PKG_NAME=mawk

###############################################################################

# Get the environment as needed.
if [[ "${SETUP_ENVIRON_DONE}" != "yes" ]]; then
    if ! source ./setup-environ.sh
    then
        echo "Failed to set environment"
        exit 1
    fi
fi

# The password should die when this subshell goes out of scope
if [[ "${SUDO_PASSWORD_DONE}" != "yes" ]]; then
    if ! source ./setup-password.sh
    then
        echo "Failed to process password"
        exit 1
    fi
fi

###############################################################################

if ! ./build-cacert.sh
then
    echo "Failed to install CA Certs"
    exit 1
fi

###############################################################################

if ! ./build-ncurses-readline.sh
then
    echo "Failed to build Ncurses and Readline"
    exit 1
fi

###############################################################################

echo ""
echo "========================================"
echo "================= Mawk ================="
echo "========================================"

echo ""
echo "************************"
echo "Downloading package"
echo "************************"

if ! "${WGET}" -q -O "$MAWK_TAR" --ca-certificate="${THE_CA_ZOO}" \
     "http://invisible-island.net/datafiles/release/$MAWK_TAR"
then
    echo "Failed to download mawk"
    exit 1
fi

rm -rf "$MAWK_DIR" &>/dev/null
gzip -d < "$MAWK_TAR" | tar xf -
cd "$MAWK_DIR" || exit 1

if [[ -e ../patch/mawk.patch ]]; then
    echo ""
    echo "**********************"
    echo "Patching package"
    echo "**********************"

    patch -u -p0 < ../patch/mawk.patch
fi

# Fix sys_lib_dlsearch_path_spec
bash "${INSTX_TOPDIR}/fix-configure.sh"

echo ""
echo "************************"
echo "Configuring package"
echo "************************"

    PKG_CONFIG_PATH="${INSTX_PKGCONFIG}" \
    CPPFLAGS="${INSTX_CPPFLAGS}" \
    ASFLAGS="${INSTX_ASFLAGS}" \
    CFLAGS="${INSTX_CFLAGS}" \
    CXXFLAGS="${INSTX_CXXFLAGS}" \
    LDFLAGS="${INSTX_LDFLAGS}" \
    LIBS="${INSTX_LDLIBS}" \
./configure \
    --build="${AUTOCONF_BUILD}" \
    --prefix="${INSTX_PREFIX}" \
    --libdir="${INSTX_LIBDIR}"

if [[ "$?" -ne 0 ]]; then
    echo ""
    echo "************************"
    echo "Failed to configure Mawk"
    echo "************************"

    bash "${INSTX_TOPDIR}/collect-logs.sh" "${PKG_NAME}"
    exit 1
fi

# Escape dollar sign for $ORIGIN in makefiles. Required so
# $ORIGIN works in both configure tests and makefiles.
bash "${INSTX_TOPDIR}/fix-makefiles.sh"

echo ""
echo "************************"
echo "Building package"
echo "************************"

MAKE_FLAGS=("-j" "${INSTX_JOBS}")
if ! "${MAKE}" "${MAKE_FLAGS[@]}"
then
    echo ""
    echo "************************"
    echo "Failed to build Mawk"
    echo "************************"

    bash "${INSTX_TOPDIR}/collect-logs.sh" "${PKG_NAME}"
    exit 1
fi

# Fix flags in *.pc files
bash "${INSTX_TOPDIR}/fix-pkgconfig.sh"

# Fix runpaths
bash "${INSTX_TOPDIR}/fix-runpath.sh"

echo ""
echo "************************"
echo "Testing package"
echo "************************"

MAKE_FLAGS=("check")
if ! "${MAKE}" "${MAKE_FLAGS[@]}"
then
    echo ""
    echo "************************"
    echo "Failed to test Mawk"
    echo "************************"

    bash "${INSTX_TOPDIR}/collect-logs.sh" "${PKG_NAME}"
    exit 1
fi

# Fix runpaths again
bash "${INSTX_TOPDIR}/fix-runpath.sh"

echo ""
echo "************************"
echo "Installing package"
echo "************************"

MAKE_FLAGS=("install")
if [[ -n "${SUDO_PASSWORD}" ]]; then
    printf "%s\n" "${SUDO_PASSWORD}" | sudo ${SUDO_ENV_OPT} -S "${MAKE}" "${MAKE_FLAGS[@]}"
    #printf "%s\n" "${SUDO_PASSWORD}" | sudo ${SUDO_ENV_OPT} -S ln -s "${INSTX_PREFIX}/bin/mawk" "${INSTX_PREFIX}/bin/awk" 2>/dev/null
    printf "%s\n" "${SUDO_PASSWORD}" | sudo ${SUDO_ENV_OPT} -S bash "${INSTX_TOPDIR}/fix-permissions.sh" "${INSTX_PREFIX}"
else
    "${MAKE}" "${MAKE_FLAGS[@]}"
    #ln -s "${INSTX_PREFIX}/bin/mawk" "${INSTX_PREFIX}/bin/awk" 2>/dev/null
    bash "${INSTX_TOPDIR}/fix-permissions.sh" "${INSTX_PREFIX}"
fi

###############################################################################

echo ""
echo "*****************************************************************************"
echo "Please run Bash's 'hash -r' to update program cache in the current shell"
echo "*****************************************************************************"

###############################################################################

touch "${INSTX_PKG_CACHE}/${PKG_NAME}"

cd "${CURR_DIR}" || exit 1

###############################################################################

# Set to false to retain artifacts
if true;
then
    ARTIFACTS=("$MAWK_TAR" "$MAWK_DIR")
    for artifact in "${ARTIFACTS[@]}"; do
        rm -rf "$artifact"
    done
fi

exit 0