#!/bin/bash

# This script is responsible for saving the current configuration into a

# sample to be used later on as a pre-configured target.

# What we need to save:

#  - the .config file

#  - the kernel .config file if specified

#  - the uClibc .config file if uClibc selected

. "${CT_TOP_DIR}/scripts/functions"

# Log to a temporary file until we have built our environment

CT_ACTUAL_LOG_FILE="${CT_TOP_DIR}/$$.log"

# Override log level

unset CT_LOG_ERROR CT_LOG_WARN CT_LOG_EXTRA CT_LOG_DEBUG 

CT_LOG_INFO=y

CT_LOG_LEVEL_MAX="INFO"

# Parse the configuration file

CT_TestOrAbort "Configuration file not found. Please create one." -f "${CT_TOP_DIR}/.config"

. "${CT_TOP_DIR}/.config"

# Target triplet: CT_TARGET needs a little love:

CT_DoBuildTargetTriplet

# Kludge: if any of the config options needs either CT_TARGET or CT_TOP_DIR,

# re-parse them:

. "${CT_TOP_DIR}/.config"

# Create the sample directory

# In case it was manually made, add it to svn

if [ -d "${CT_TOP_DIR}/samples/${CT_TARGET}" ]; then

    # svn won't fail when adding a directory already managed by svn

    svn add "${CT_TOP_DIR}/samples/${CT_TARGET}" >/dev/null 2>&1

else

    svn mkdir "${CT_TOP_DIR}/samples/${CT_TARGET}" >/dev/null 2>&1

fi

# Save the crosstool-NG config file

cp "${CT_TOP_DIR}/.config" "${CT_TOP_DIR}/samples/${CT_TARGET}/crosstool.config"

# Function to copy a file to the sample directory

# Needed in case the file is already there (think of a previously available sample)

# Usage: CT_DoAddFileToSample <source> <dest>

CT_DoAddFileToSample() {

    source="$1"

    dest="$2"

    inode_s=`ls -i "${source}"`

    inode_d=`ls -i "${dest}" 2>/dev/null || true`

    if [ "${inode_s}" != "${inode_d}" ]; then

        cp "${source}" "${dest}"

    fi

    svn add "${dest}" >/dev/null 2>&1

}

# Save the kernel .config file

if [ -n "${CT_KERNEL_LINUX_CONFIG_FILE}" ]; then

    # We save the file, and then point the saved sample to this file

    CT_DoAddFileToSample "${CT_KERNEL_LINUX_CONFIG_FILE}" "${CT_TOP_DIR}/samples/${CT_TARGET}/${CT_KERNEL}-${CT_KERNEL_VERSION}.config"

    sed -r -i -e 's|^(CT_KERNEL_LINUX_CONFIG_FILE=).+$|\1"${CT_TOP_DIR}/samples/${CT_TARGET}/${CT_KERNEL}-${CT_KERNEL_VERSION}.config"|;' \

        "${CT_TOP_DIR}/samples/${CT_TARGET}/crosstool.config"

else

    # remove any dangling files

    for f in "${CT_TOP_DIR}/samples/${CT_TARGET}/${CT_KERNEL}-"*.config; do

        if [ -f "${f}" ]; then svn rm --force "${f}" >/dev/null 2>&1; fi

    done

fi

# Save the uClibc .config file

if [ -n "${CT_LIBC_UCLIBC_CONFIG_FILE}" ]; then

    # We save the file, and then point the saved sample to this file

    CT_DoAddFileToSample "${CT_LIBC_UCLIBC_CONFIG_FILE}" "${CT_TOP_DIR}/samples/${CT_TARGET}/${CT_LIBC}-${CT_LIBC_VERSION}.config"

    sed -r -i -e 's|^(CT_LIBC_UCLIBC_CONFIG_FILE=).+$|\1"${CT_TOP_DIR}/samples/${CT_TARGET}/${CT_LIBC}-${CT_LIBC_VERSION}.config"|;' \

        "${CT_TOP_DIR}/samples/${CT_TARGET}/crosstool.config"

else

    # remove any dangling files

    for f in "${CT_TOP_DIR}/samples/${CT_TARGET}/${CT_LIBC}-"*.config; do

        if [ -f "${f}" ]; then svn rm --force "${f}" >/dev/null 2>&1; fi

    done

fi

# We could svn add earlier, but it's better to

# add a frozen file than modifying it later

svn add "${CT_TOP_DIR}/samples/${CT_TARGET}/crosstool.config" >/dev/null 2>&1

svn stat "${CT_TOP_DIR}/samples/${CT_TARGET}" 2>/dev/null |CT_DoLog INFO

rm -f "${CT_ACTUAL_LOG_FILE}"