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#!/bin/sh
#**********************************************************************
# Copyright (C) 2024 - The Geeqie Team
#
# Author: Omari Stephens
#
# 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 2 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, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#**********************************************************************
## @file
## @brief Isolates the test from the rest of the environment. The goal is to
## make the test more reliable, and to avoid interrupting other processes
## that might be running on the host. Passes all args through and passes
## the return code back.
##
## $1 Test executable
##
##
set -e
TEST_HOME=$(mktemp -d)
if [ -z "$TEST_HOME" ]; then
echo "Failed to create temporary home directory." >&2
exit 1
fi
if [ "$TEST_HOME" = "$HOME" ]; then
# This both breaks isolation, and makes automatic cleanup extremely dangerous.
echo "Temporary homedir ($TEST_HOME) is the same as the actual homedir ($HOME)" >&2
exit 1
fi
# Automatically clean up the temporary home directory on exit.
teardown() {
# echo "Cleaning up temporary homedir $TEST_HOME" >&2
rm -rf "$TEST_HOME"
}
trap teardown EXIT
export HOME="$TEST_HOME"
export XDG_CONFIG_HOME="${HOME}/.config"
export XDG_RUNTIME_DIR="${HOME}/.runtime"
mkdir -p "$XDG_RUNTIME_DIR"
# Mode setting required by the spec.
# https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html
chmod 0700 "$XDG_RUNTIME_DIR"
# Change to temporary homedir and ensure that XDG_CONFIG_HOME exists.
cd
mkdir -p "$XDG_CONFIG_HOME"
# This will automatically pass the command name and args in the expected order.
# And `set -e` (above) means that we'll automatically exit with the same return
# code as our sub-command.
# Start with a clean environment containing only these variables.
#
# G_DEBUG="fatal-warnings" will force an abort if a warning or
# critical error is encountered.
# https://docs.gtk.org/glib/running.html#environment-variables
env -i G_DEBUG="fatal-warnings" HOME="$HOME" XDG_CONFIG_HOME="$XDG_CONFIG_HOME" XDG_RUNTIME_DIR="$XDG_RUNTIME_DIR" "$@"
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