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# opkhelper
# lib/changelog
# Functions for parsing changelogs.
#
# Copyright (C) 2012 Patrick "P. J." McDermott
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
[ -n "${_OH_CHANGELOG_SH}" ] && return 0
_OH_CHANGELOG_SH=true
. @@LIBDIR@@/messages
. @@LIBDIR@@/locale
. @@LIBDIR@@/util
# Constant global parameters:
OH_SOURCE_RE='^[a-z0-9][a-z0-9+.-]+$'
OH_SOURCE_VERSION_ID_RE='^'
OH_SOURCE_VERSION_ID_RE="${OH_SOURCE_VERSION_ID_RE}"'[0-9a-z.~]+'
OH_SOURCE_VERSION_ID_RE="${OH_SOURCE_VERSION_ID_RE}"'(\+sip[1-9][0-9]*)?'
OH_SOURCE_VERSION_ID_RE="${OH_SOURCE_VERSION_ID_RE}"'(-[1-9][0-9]*)?'
OH_SOURCE_VERSION_ID_RE="${OH_SOURCE_VERSION_ID_RE}"'(\+[a-z0-9]+-[1-9][0-9]*)?'
OH_SOURCE_VERSION_ID_RE="${OH_SOURCE_VERSION_ID_RE}"'$'
_changelog_parse_error()
{
_line_nr="${1}"
_error="${2}"
shift 2
_file_info=$(printf '%20s(l%d):' "${OH_SOURCE_DIR}/changelog" "${_line_nr}")
oh_warn "${_file_info} ${_error}" "${@}"
}
_changelog_get_expect_str()
{
eval echo \$\{oh_str_changelog_expect_"${1}"\}
}
oh_changelog_parse()
{
# Parsing logic based on that of dpkg.
_cb="${1}"
_expect=first_heading
_line_nr=0
_entries=0
while IFS= read _line; do
_line_nr=$(($_line_nr + 1))
if [ -z "${_line}" ]; then
if [ "${_expect}" = start_changes ]; then
OH_CHANGELOG_CHANGES="${OH_CHANGELOG_CHANGES}
${_line}"
elif [ "${_expect}" = next_or_eof ]; then
:
elif [ "${_expect}" != changes_or_trailer ]; then
_changelog_parse_error "${_line_nr}" \
"${oh_str_changelog_found_blank_line}" \
"$(_changelog_get_expect_str "${_expect}")"
else
_blank_lines="${_blank_lines}
${_line}"
fi
elif [ "${_line# }" = "${_line}" ]; then
if [ "${_expect}" != first_heading -a \
"${_expect}" != next_or_eof ]; then
_changelog_parse_error "${_line_nr}" \
"${oh_str_changelog_found_heading}" \
"$(_changelog_get_expect_str "${_expect}")"
fi
_source="${_line%% (*}"
_line_="${_line#* (}"
_distribution="${_line_##*) }"
_line_="${_line_%) *}"
_version="${_line_}"
if [ -z "${_source}" -o -z "${_distribution}" -o \
-z "${_version}" -o \
"${_version% *}" != "${_version}" ]; then
_changelog_parse_error "${_line_nr}" \
"${oh_str_changelog_bad_heading}"
OH_CHANGELOG_SOURCE=
OH_CHANGELOG_VERSION=
OH_CHANGELOG_DISTRIBUTION=
OH_CHANGELOG_CHANGES=
else
echo "${_source}" | \
grep -E "${OH_SOURCE_RE}" >/dev/null 2>&1
if [ "${?}" -ne 0 ]; then
_changelog_parse_error "${_line_nr}" \
"${oh_str_changelog_bad_source}" "${source}"
fi
echo "${_version}" | \
grep -E "${OH_SOURCE_VERSION_ID_RE}" >/dev/null 2>&1
if [ "${?}" -ne 0 ]; then
_changelog_parse_error "${_line_nr}" \
"${oh_str_changelog_bad_source_version}" "${_version}"
fi
OH_CHANGELOG_SOURCE="${_source}"
OH_CHANGELOG_VERSION="${_version}"
OH_CHANGELOG_DISTRIBUTION="${_distribution}"
OH_CHANGELOG_CHANGES="${_line}"
fi
_expect=start_changes
_blank_lines=
elif [ "${_line# -- }" != "${_line}" ]; then
if [ "${_expect}" != changes_or_trailer ]; then
_changelog_parse_error "${_line_nr}" \
"${oh_str_changelog_found_trailer}" \
"$(_changelog_get_expect_str "${_expect}")"
fi
_line="${_line# -- }"
_maintainer="${_line%% *}"
_date="${_line#* }"
if [ -z "${_maintainer}" -o -z "${_date}" -o \
"${_maintainer}" = "${_date}" ]; then
_changelog_parse_error "${_line_nr}" \
"${oh_str_changelog_bad_trailer}"
OH_CHANGELOG_MAINTAINER=
OH_CHANGELOG_DATE=
elif [ -n "${OH_CHANGELOG_SOURCE}" ]; then
OH_CHANGELOG_MAINTAINER="${_maintainer}"
OH_CHANGELOG_DATE="${_date}"
_entries=$(($_entries + 1))
"${_cb}"
[ ${?} -ne 0 ] && return ${_entries}
fi
_expect=next_or_eof
_blank_lines=
elif [ "${_line# --}" != "${_line}" ]; then
_changelog_parse_error "${_line_nr}" \
"${oh_str_changelog_bad_trailer}"
elif [ "${_line## }" != "${_line}" ]; then
if [ "${_expect}" != start_changes -a \
"${_expect}" != changes_or_trailer ]; then
_changelog_parse_error "${_line_nr}" \
"${oh_str_changelog_found_change}" \
"$(_changelog_get_expect_str "${_expect}")"
fi
OH_CHANGELOG_CHANGES="${OH_CHANGELOG_CHANGES}
${_blank_lines}${_line}"
_expect=changes_or_trailer
_blank_lines=
else
_changelog_parse_error "${_line_nr}" \
"${oh_str_changelog_bad_line}"
_blank_lines=
fi
done <"${OH_SOURCE_DIR}/changelog"
if [ "${_expect}" != next_or_eof ]; then
_changelog_parse_error "${_line_nr}" \
"${oh_str_changelog_found_eof}" \
"$(_changelog_get_expect_str "${_expect}")"
fi
return ${_entries}
}
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