#!/usr/bin/env bash

# Written and placed in public domain by Jeffrey Walton
# This script builds Diffutils from sources.

DIFFUTILS_VER=3.8
DIFFUTILS_XZ=diffutils-${DIFFUTILS_VER}.tar.xz
DIFFUTILS_TAR=diffutils-${DIFFUTILS_VER}.tar
DIFFUTILS_DIR=diffutils-${DIFFUTILS_VER}
PKG_NAME=diffutils

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

# 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-base.sh
then
    echo "Failed to build GNU base packages"
    exit 1
fi

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

if [[ ! -f "${INSTX_PREFIX}/bin/xz" ]]
then
    if ! ./build-xz.sh
    then
        echo "Failed to build XZ"
        exit 1
    fi
fi

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

echo ""
echo "========================================"
echo "============ GNU Diffutils ============="
echo "========================================"

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

echo ""
echo "Diffutils ${DIFFUTILS_VER}..."

if ! "${WGET}" -q -O "$DIFFUTILS_XZ" --ca-certificate="${LETS_ENCRYPT_ROOT}" \
     "https://ftp.gnu.org/gnu/diffutils/$DIFFUTILS_XZ"
then
    echo "Failed to download Diffutils"
    exit 1
fi

rm -rf "$DIFFUTILS_TAR" "$DIFFUTILS_DIR" &>/dev/null
unxz "$DIFFUTILS_XZ" && tar -xf "$DIFFUTILS_TAR"
cd "$DIFFUTILS_DIR" || exit 1

# 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}" \
    --with-libiconv-prefix="${INSTX_PREFIX}" \
    --with-libintl-prefix="${INSTX_PREFIX}"

if [[ "$?" -ne 0 ]]; then
    echo ""
    echo "*****************************"
    echo "Failed to configure Diffutils"
    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" "${INSTX_JOBS}" "V=1")
if ! "${MAKE}" "${MAKE_FLAGS[@]}"
then
    echo ""
    echo "*****************************"
    echo "Failed to build Diffutils"
    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" "-k" "V=1")
if ! "${MAKE}" "${MAKE_FLAGS[@]}"
then
    echo ""
    echo "*****************************"
    echo "Failed to test Diffutils"
    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 ${SUDO_ENV_OPT} -S bash "${INSTX_TOPDIR}/fix-permissions.sh" "${INSTX_PREFIX}"
else
    "${MAKE}" "${MAKE_FLAGS[@]}"
    bash "${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=("$DIFFUTILS_XZ" "$DIFFUTILS_TAR" "$DIFFUTILS_DIR")
    for artifact in "${ARTIFACTS[@]}"; do
        rm -rf "$artifact"
    done
fi

exit 0