Add xcode.sh provisioning script for macOS 10.12

Task-number: QTQAINFRA-1091
Change-Id: I6d2071c3304cc8df31d8bbad6d713d21ea2dda25
Reviewed-by: Heikki Halmet <heikki.halmet@qt.io>

coin/provisioning/qtci-macos-10.12-x86_64/020-xcode.sh

+#!/bin/bash
+
+#############################################################################
+##
+## Copyright (C) 2017 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.
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+# This script installs Xcode
+# Prerequisites: Have Xcode prefetched to local cache as xz compressed.
+# This can be achieved by fetching Xcode_8.xip from Apple Store.
+# Uncompress it with 'xar -xf Xcode_8.xip'
+# Then get https://gist.githubusercontent.com/pudquick/ff412bcb29c9c1fa4b8d/raw/24b25538ea8df8d0634a2a6189aa581ccc6a5b4b/parse_pbzx2.py
+# with which you can run 'python parse_pbzx2.py Content'.
+# This will give you a file called "Content.part00.cpio.xz" that
+# can be renamed to Xcode_8.xz for this script.
+
+# shellcheck source=../common/try_catch.sh
+source "${BASH_SOURCE%/*}/../common/try_catch.sh"
+
+ExceptionDownloadUrl=100
+ExceptionSHA1=101
+ExceptionUnXZ=102
+ExceptionCPIO=103
+ExceptionDelete=104
+
+
+url=http://ci-files01-hki.ci.local/input/mac/macos_10.12_sierra/Xcode_8.2.1.xz
+targetFile=/tmp/Xcode_8.2.1.xz
+expectedSha1=a68e8a4446f77e781b1ce123125263862f2607a3
+
+try
+(
+    echo "Downloading Xcode from primary URL '$url'"
+    curl --fail -L --retry 5 --retry-delay 5 -o "$targetFile" "$url" || throw $ExceptionDownloadUrl
+
+    echo "Checking SHA1 on $targetFile"
+    echo "$expectedSha1 *$targetFile" | shasum --check || throw $ExceptionSHA1
+
+    echo "Uncompressing '$targetFile'"
+    xz -d "$targetFile" || throw $ExceptionUnXZ
+
+    echo "Unarchiving '${targetFile%.*}'"
+    (cd /Applications/ && sudo cpio -dmiI "${targetFile%.*}") || throw $ExceptionCPIO
+
+    echo "Deleting '${targetFile%.*}'"
+    rm "${targetFile%.*}" || throw $ExceptionDelete
+
+    echo "XCode = 8.2.1" >> ~/versions.txt
+)
+catch || {
+    case $ex_code in
+        $ExceptionDownloadUrl)
+            echo "Failed to download Xcode."
+            exit 1;
+        ;;
+        $ExceptionSHA1)
+            echo "Failed to check SHA1."
+            exit 1;
+        ;;
+        $ExceptionUnXZ)
+            echo "Failed to uncompress .xz"
+            exit 1;
+        ;;
+        $ExceptionCPIO)
+            echo "Failed to unarchive .cpio."
+            exit 1;
+        ;;
+        $ExceptionDelete)
+            echo "Failed to delete temporary file."
+            exit 1;
+        ;;
+
+    esac
+}