rpmnew-merge

rpmnew-merge

#!/bin/bash
#
# Merge tool for rpmnew file
#
# @author Jun Futagawa

RPMNEW_FILE="$1"
DEFAULT_FILE="$2"

if [[ -z "${RPMNEW_FILE}" ]]; then
    cat << _EOF_
Usage:
    ${0} RPMNEW_FILE [DEFAULT_FILE]

    1. locate .rpmnew
    2. ex) ${0} /etc/sudoers.rpmnew
    3. Copy and paste
_EOF_
    exit 1
fi

# /etc/sudoers.rpmnew -> /etc/sudoers
TARGET_FILE=$(echo "${RPMNEW_FILE}" | sed "s/.rpmnew$//")
# /etc/sudoers -> sudoers
FILE_NAME=$(echo "${TARGET_FILE}" | xargs basename)
# sudoers -> sudoers.patch
PATCH_NAME="${FILE_NAME}.patch"

if [[ ! -f "${RPMNEW_FILE}" ]]; then
    echo "Error: rpmnew file not found: ${RPMNEW_FILE}"
    exit 1

fi

if [[ -z "${DEFAULT_FILE}" ]]; then
    # /etc/sudoers.rpmnew
    # -> /etc/sudoers.default
    DEFAULT_FILE="${TARGET_FILE}.default"

    # /etc/sudoers.rpmnew
    # -> /etc/logrotate.d.default/sudoers
    TEST_FILE="$(dirname "${TARGET_FILE}").default/$(basename "${TARGET_FILE}")"
    if [[ -f "${TEST_FILE}" ]]; then
        DEFAULT_FILE="${TEST_FILE}"
    fi
fi

if [[ ! -f "${DEFAULT_FILE}" ]]; then
    echo "Error .default file not found: ${DEFAULT_FILE}"
    exit 1
fi

cat << _EOF_
#
# current diff
#
# diff "${DEFAULT_FILE}" "${TARGET_FILE}"
_EOF_
diff "${DEFAULT_FILE}" "${TARGET_FILE}"

echo ""
cat << _EOF_
#
# diff default rpmnew
#
# diff "${DEFAULT_FILE}" "${TARGET_FILE}.rpmnew"
_EOF_
diff "${DEFAULT_FILE}" "${TARGET_FILE}.rpmnew"

echo ""
cat << _EOF_
#
# Start copy and paste
#

# backup
yes | cp -ai "${TARGET_FILE}"{,.prev}
yes | cp -ai "${DEFAULT_FILE}"{,.prev}
yes | cp -ai "${RPMNEW_FILE}"{,.prev}

# patch
diff -urN "${DEFAULT_FILE}" "${TARGET_FILE}" > ~/"${PATCH_NAME}"
yes | mv "${RPMNEW_FILE}" "${DEFAULT_FILE}"
yes | cp -ai "${DEFAULT_FILE}" "${TARGET_FILE}"
patch "${TARGET_FILE}" < ~/"${PATCH_NAME}"

# new diff
diff "${DEFAULT_FILE}" "${TARGET_FILE}"

#
# Stop copy and paste
#

# Failed: restore file
yes | cp -ai "${TARGET_FILE}"{.prev,}
yes | cp -ai "${DEFAULT_FILE}"{.prev,}
yes | cp -ai "${RPMNEW_FILE}"{.prev,}
rm "${TARGET_FILE}"{.orig,.prev,.rej} -f
rm ~/"${PATCH_NAME}" -f

# Success: delete work file
rm "${TARGET_FILE}.prev" -f
rm "${DEFAULT_FILE}.prev" -f
rm "${RPMNEW_FILE}.prev" -f
rm "${RPMNEW_FILE}.orig" -f
rm ~/"${PATCH_NAME}" -f
_EOF_

echo ""
echo "# Update locate database"
if [[ -f "/etc/cron.daily/mlocate" ]]; then
    echo /etc/cron.daily/mlocate
elif [[ -f "/usr/lib/systemd/system/mlocate-updatedb.service" ]]; then
    echo systemctl start mlocate-updatedb.service
fi
echo locate .rpmnew
echo rpmnew-merge NEXT_RPMNEW