Add script for packaging a directory.

Mostly 7zips the directory, all files must already be in place.
On Linux the script also fixes the Qt related RPATHs.

Changes the RPATH fixing to only change the Qt RPATH,
instead of overwriting the complete RPATH to something custom.

Change-Id: I1e07b7c0fcb4292197a4e743782a1392f6558747
Reviewed-by: Eike Ziller <eike.ziller@theqtcompany.com>

1 files changed, 164 insertions, 0 deletions

diff --git a/scripts/common.py b/scripts/common.py
new file mode 100644
index 0000000000..6b96504acb
--- /dev/null
+++ b/scripts/common.py
@@ -0,0 +1,164 @@
+#############################################################################
+##
+## Copyright (C) 2015 The Qt Company Ltd.
+## Contact: http://www.qt.io/licensing
+##
+## This file is part of Qt Creator.
+##
+## 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.
+##
+## In addition, 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.
+##
+#############################################################################
+
+import os
+import shutil
+import subprocess
+import sys
+
+def is_windows_platform():
+    return sys.platform.startswith('win')
+
+def is_linux_platform():
+    return sys.platform.startswith('linux')
+
+def is_mac_platform():
+    return sys.platform.startswith('darwin')
+
+# copy of shutil.copytree that does not bail out if the target directory already exists
+# and that does not create empty directories
+def copytree(src, dst, symlinks=False, ignore=None):
+    def ensure_dir(destdir, ensure):
+        if ensure and not os.path.isdir(destdir):
+            os.makedirs(destdir)
+        return False
+
+    names = os.listdir(src)
+    if ignore is not None:
+        ignored_names = ignore(src, names)
+    else:
+        ignored_names = set()
+
+    needs_ensure_dest_dir = True
+    errors = []
+    for name in names:
+        if name in ignored_names:
+            continue
+        srcname = os.path.join(src, name)
+        dstname = os.path.join(dst, name)
+        try:
+            if symlinks and os.path.islink(srcname):
+                needs_ensure_dest_dir = ensure_dir(dst, needs_ensure_dest_dir)
+                linkto = os.readlink(srcname)
+                os.symlink(linkto, dstname)
+            elif os.path.isdir(srcname):
+                copytree(srcname, dstname, symlinks, ignore)
+            else:
+                needs_ensure_dest_dir = ensure_dir(dst, needs_ensure_dest_dir)
+                shutil.copy2(srcname, dstname)
+            # XXX What about devices, sockets etc.?
+        except (IOError, os.error) as why:
+            errors.append((srcname, dstname, str(why)))
+        # catch the Error from the recursive copytree so that we can
+        # continue with other files
+        except shutil.Error as err:
+            errors.extend(err.args[0])
+    try:
+        if os.path.exists(dst):
+            shutil.copystat(src, dst)
+    except shutil.WindowsError:
+        # can't copy file access times on Windows
+        pass
+    except OSError as why:
+        errors.extend((src, dst, str(why)))
+    if errors:
+        raise shutil.Error(errors)
+
+def get_qt_install_info(qmake_bin):
+    output = subprocess.check_output([qmake_bin, '-query'])
+    lines = output.strip().split('\n')
+    info = {}
+    for line in lines:
+        (var, sep, value) = line.partition(':')
+        info[var.strip()] = value.strip()
+    return info
+
+def get_rpath(libfilepath, chrpath=None):
+    if chrpath is None:
+        chrpath = 'chrpath'
+    try:
+        output = subprocess.check_output([chrpath, '-l', libfilepath]).strip()
+    except subprocess.CalledProcessError: # no RPATH or RUNPATH
+        return []
+    marker = 'RPATH='
+    index = output.find(marker)
+    if index < 0:
+        marker = 'RUNPATH='
+        index = output.find(marker)
+    if index < 0:
+        return []
+    return output[index + len(marker):].split(':')
+
+def fix_rpaths(path, qt_deploy_path, qt_install_info, chrpath=None):
+    if chrpath is None:
+        chrpath = 'chrpath'
+    qt_install_prefix = qt_install_info['QT_INSTALL_PREFIX']
+    qt_install_libs = qt_install_info['QT_INSTALL_LIBS']
+
+    def fix_rpaths_helper(filepath):
+        rpath = get_rpath(filepath, chrpath)
+        if len(rpath) <= 0:
+            return
+        # remove previous Qt RPATH
+        new_rpath = filter(lambda path: not path.startswith(qt_install_prefix) and not path.startswith(qt_install_libs),
+                           rpath)
+
+        # add Qt RPATH if necessary
+        relative_path = os.path.relpath(qt_deploy_path, os.path.dirname(filepath))
+        if relative_path == '.':
+            relative_path = ''
+        else:
+            relative_path = '/' + relative_path
+        qt_rpath = '$ORIGIN' + relative_path
+        if not any((path == qt_rpath) for path in rpath):
+            new_rpath.append(qt_rpath)
+
+        # change RPATH
+        if len(new_rpath) > 0:
+            subprocess.check_call([chrpath, '-r', ':'.join(new_rpath), filepath])
+        else: # no RPATH / RUNPATH left. delete.
+            subprocess.check_call([chrpath, '-d', filepath])
+
+    def is_unix_executable(filepath):
+        # Whether a file is really a binary executable and not a script and not a symlink (unix only)
+        if os.path.exists(filepath) and os.access(filepath, os.X_OK) and not os.path.islink(filepath):
+            with open(filepath) as f:
+                return f.read(2) != "#!"
+
+    def is_unix_library(filepath):
+        # Whether a file is really a library and not a symlink (unix only)
+        return os.path.basename(filepath).find('.so') != -1 and not os.path.islink(filepath)
+
+    for dirpath, dirnames, filenames in os.walk(path):
+        for filename in filenames:
+            filepath = os.path.join(dirpath, filename)
+            if is_unix_executable(filepath) or is_unix_library(filepath):
+                fix_rpaths_helper(filepath)
+