Exheredludis/paludis/repositories/e/ebuild/die_functions.bash
2015-11-05 17:37:27 +00:00

102 lines
3.3 KiB
Bash

#!/usr/bin/env bash
# vim: set sw=4 sts=4 et :
# Copyright (c) 2006, 2007, 2009 Ciaran McCreesh
#
# Based in part upon ebuild.sh from Portage, which is Copyright 1995-2005
# Gentoo Foundation and distributed under the terms of the GNU General
# Public License v2.
#
# This file is part of the Paludis package manager. Paludis is free software;
# you can redistribute it and/or modify it under the terms of the GNU General
# Public License, version 2, as published by the Free Software Foundation.
#
# Paludis 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, write to the Free Software Foundation, Inc., 59 Temple
# Place, Suite 330, Boston, MA 02111-1307 USA
shopt -s expand_aliases
_paludis_pipestatus=
alias die='diefunc "${FUNCNAME:-$0}" "$LINENO"'
alias assert='_paludis_pipestatus="${PIPESTATUS[*]}"; [[ -z "${_paludis_pipestatus//[ 0]/}" ]] || diefunc "${FUNCNAME:-$0}" "$LINENO"'
# paludis_die_or_error is only for use in scripts
alias paludis_die_or_error='paludis_die_or_error_func "$0" "$LINENO"'
# paludis_die_unless_nonfatal and paludis_assert_unless_nonfatal are only for use in shell functions
alias paludis_die_unless_nonfatal='paludis_die_unless_nonfatal_func "$FUNCNAME" "$LINENO"'
alias paludis_assert_unless_nonfatal='_paludis_pipestatus="${PIPESTATUS[*]}"; [[ -z "${_paludis_pipestatus//[ 0]/}" ]] || paludis_die_unless_nonfatal_func "$FUNCNAME" "$LINENO"'
trap 'echo "die trap: exiting with error." 1>&2 ; exit 250' SIGUSR1
diefunc()
{
local func="$1" line="$2" nonfatal=
shift 2
if [[ -n ${PALUDIS_DIE_SUPPORTS_DASH_N} && $1 == -n && -n ${PALUDIS_FAILURE_IS_NONFATAL} ]] ; then
shift
nonfatal=yes
fi
local message="$*"
[[ -n ${_paludis_pipestatus//[ 0]/} ]] && message="${_paludis_pipestatus} ${message}"
if [[ -n ${nonfatal} ]] ; then
echo "${func}: ${message}" >&2
return 247
fi
echo 1>&2
echo "!!! ERROR in ${CATEGORY:-?}/${!PALUDIS_NAME_VERSION_REVISION_VAR:-?}::${REPOSITORY:-?}:" 1>&2
echo "!!! In ${func:-?} at line ${line:-?}" 1>&2
echo "!!! ${message:-(no message provided)}" 1>&2
echo 1>&2
echo "!!! Call stack:" 1>&2
for (( n = 1 ; n < ${#FUNCNAME[@]} ; ++n )) ; do
funcname=${FUNCNAME[${n}]}
sourcefile=${BASH_SOURCE[${n}]}
lineno=${BASH_LINENO[$(( n - 1 ))]}
echo "!!! * ${funcname} (${sourcefile}:${lineno})" 1>&2
done
echo 1>&2
if [[ -n "${PALUDIS_EXTRA_DIE_MESSAGE}" ]] ; then
echo "${PALUDIS_EXTRA_DIE_MESSAGE}" 1>&2
echo 1>&2
fi
echo "diefunc: making ebuild PID ${EBUILD_KILL_PID} exit with error" 1>&2
kill -s SIGUSR1 "${EBUILD_KILL_PID}"
exit 249
}
paludis_die_or_error_func()
{
if [[ -n ${PALUDIS_FAILURE_IS_FATAL} ]]; then
diefunc "$@"
else
local func=${1}
shift 2
echo "${func}: $*" >&2
exit 247
fi
}
paludis_die_unless_nonfatal_func()
{
if [[ -z ${PALUDIS_FAILURE_IS_NONFATAL} ]]; then
diefunc "$@"
else
local func=${1}
shift 2
echo "${func}: $*" >&2
return 247
fi
}