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qTox/buildscripts/download/common.sh

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#!/bin/bash
# SPDX-License-Identifier: GPL-3.0-or-later AND MIT
# Copyright (c) 2017-2021 Maxim Biro <nurupo.contributions@gmail.com>
# Copyright (c) 2021 by The qTox Project Contributors
check_sha256()
{
if uname | grep -q Darwin; then
HASH_BIN="gsha256sum"
else
HASH_BIN="sha256sum"
fi
if ! ( echo "$1 $2" | $HASH_BIN -c --quiet --status - )
then
echo "Error: sha256 of $2 doesn't match the known one."
echo "Expected: $1 $2"
echo -n "Got: "
sha256sum "$2"
exit 1
else
echo "sha256 matches the expected one: $1"
fi
}
download_file()
{
# Curl command wrapper to download a file to the CWD
local URL="$1"
curl -L --connect-timeout 10 -O "$URL"
}
download_verify_extract_tarball()
{
# Downlaoads the tarball at URL, ensures it has an sha256sum of HASH and
# extracts it to the CWD
local URL="$1"
local HASH="$2"
# Try linux style mktemp and fallback on osx style
TEMPDIR=$(mktemp -d -p . 2>/dev/null || mktemp -d -t qtox_download)
if [ $? -ne 0 ]; then
return 1
fi
TEMPDIR=$(cd "$TEMPDIR"; pwd -P)
pushd "$TEMPDIR" >/dev/null || exit 1
download_file "$URL"
if ! check_sha256 "$HASH" *; then
rm -fr "$TEMPDIR"
return 1
fi
popd >/dev/null || exit 1
tar -xf "$TEMPDIR"/* --strip-components=1
rm -fr "$TEMPDIR"
}