diff options
Diffstat (limited to 'coin/provisioning/common/unix/DownloadURL.sh')
| -rwxr-xr-x | coin/provisioning/common/unix/DownloadURL.sh | 100 |
1 files changed, 44 insertions, 56 deletions
diff --git a/coin/provisioning/common/unix/DownloadURL.sh b/coin/provisioning/common/unix/DownloadURL.sh index 0579451f..c1c27cbb 100755 --- a/coin/provisioning/common/unix/DownloadURL.sh +++ b/coin/provisioning/common/unix/DownloadURL.sh @@ -1,37 +1,6 @@ -#!/bin/sh - -############################################################################# -## -## Copyright (C) 2019 The Qt Company Ltd. -## Contact: http://www.qt.io/licensing/ -## -## This file is part of the provisioning scripts of the Qt Toolkit. -## -## $QT_BEGIN_LICENSE:LGPL21$ -## Commercial License Usage -## Licensees holding valid commercial Qt licenses may use this file in -## accordance with the commercial license agreement provided with the -## Software or, alternatively, in accordance with the terms contained in -## a written agreement between you and The Qt Company. For licensing terms -## and conditions see http://www.qt.io/terms-conditions. For further -## information use the contact form at http://www.qt.io/contact-us. -## -## GNU Lesser General Public License Usage -## Alternatively, this file may be used under the terms of the GNU Lesser -## General Public License version 2.1 or version 3 as published by the Free -## Software Foundation and appearing in the file LICENSE.LGPLv21 and -## LICENSE.LGPLv3 included in the packaging of this file. Please review the -## following information to ensure the GNU Lesser General Public License -## requirements will be met: https://www.gnu.org/licenses/lgpl.html and -## http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -## -## As a special exception, The Qt Company gives you certain additional -## rights. These rights are described in The Qt Company LGPL Exception -## version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -## -## $QT_END_LICENSE$ -## -############################################################################# +#!/bin/bash +# Copyright (C) 2019 The Qt Company Ltd. +# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only # A helper script used for downloading a file from a URL or an alternative @@ -39,10 +8,12 @@ # based on the SHA length). Target filename should also be given. ############################ BOILERPLATE ############################### -command -v sha1sum >/dev/null || alias sha1sum='shasum -a 1' -command -v sha256sum >/dev/null || alias sha256sum='shasum -a 256' -command -v sha384sum >/dev/null || alias sha384sum='shasum -a 384' -command -v sha512sum >/dev/null || alias sha512sum='shasum -a 512' + +command -v sha1sum >/dev/null || sha1sum () { shasum -a 1 "$@" ; } +command -v sha256sum >/dev/null || sha256sum () { shasum -a 256 "$@" ; } +command -v sha384sum >/dev/null || sha384sum () { shasum -a 384 "$@" ; } +command -v sha512sum >/dev/null || sha512sum () { shasum -a 512 "$@" ; } + ######################################################################## @@ -50,9 +21,12 @@ Download () { url="$1" targetFile="$2" - command -v curl >/dev/null \ - && curl --fail -L --retry 5 --retry-delay 5 -o "$targetFile" "$url" \ - || wget --tries 5 -O "$targetFile" "$url" + if command -v curl >/dev/null + then + curl --fail -L --retry 5 --retry-delay 5 -o "$targetFile" "$url" + else + wget --tries 5 -O "$targetFile" "$url" + fi } VerifyHash () { @@ -73,10 +47,10 @@ VerifyHash () { 65) sha256sum "$file" ;; 97) sha384sum "$file" ;; 129) sha512sum "$file" ;; - *) echo "FATAL! Unknown hash length: $hashLength" 1>&2 && exit 1 ;; + *) echo "FATAL! Unknown hash length: $hashLength" 1>&2 ;; esac | cut -d ' ' -f 1` - if [ ! "$expectedHash" = "$hash" ] + if [ -z $hash ] || [ ! "$expectedHash" = "$hash" ] then echo "FAIL! wrong file hash: $file $hash" 1>&2 return 1 @@ -89,22 +63,36 @@ DownloadURL () { url=$1 url2=$2 expectedHash=$3 - targetFile=$4 - - if VerifyHash "$targetFile" "$expectedHash" + # Optional argument $4: destination filename + if [ -z "$4" ] then - echo "Skipping download, found and validated existing file: $targetFile" + # defaults to the last component of $url + targetFile="${url/*\//}" else - echo "Downloading from primary URL: $url" - if ! Download "$url" "$targetFile" + targetFile=$4 + fi + + # If a non-empty file already exists + if [ -s "$targetFile" ] + then + if VerifyHash "$targetFile" "$expectedHash" + then + echo "Skipping download, found and validated existing file: $targetFile" + return + else + echo "WARNING: Non-empty but different file found at destination; will re-download and overwrite file: $targetFile" + fi + fi + + echo "Downloading from primary URL: $url" + if ! Download "$url" "$targetFile" + then + echo "FAIL! to download, trying alternative URL: $url2" 1>&2 + if ! Download "$url2" "$targetFile" then - echo "FAIL! to download, trying alternative URL: $url2" 1>&2 - if ! Download "$url" "$targetFile" - then - echo 'FAIL! to download even from alternative url' 1>&2 - return 1 - fi + echo 'FAIL! to download even from alternative URL' 1>&2 + return 1 fi - VerifyHash "$targetFile" "$expectedHash" fi + VerifyHash "$targetFile" "$expectedHash" } |