Add patch allowing stripping prefix from wheel RECORD files

pip-1.5rc1-allow-stripping-prefix-from-wheel-RECORD-files.patch

@@ -0,0 +1,102 @@
+commit aefacbb76661520415a1c35028f2984e70cfe0bf
+Author: Slavek Kabrda <bkabrda@redhat.com>
+Date:   Fri Nov 29 13:24:58 2013 +0100
+
+    Allow stripping given prefix from wheel RECORD files
+
+diff --git a/pip/commands/install.py b/pip/commands/install.py
+index 1693d01..0287c06 100644
+--- a/pip/commands/install.py
++++ b/pip/commands/install.py
+@@ -137,6 +137,14 @@ class InstallCommand(Command):
+             help="Install everything relative to this alternate root directory.")
+ 
+         cmd_opts.add_option(
++            '--strip-file-prefix',
++            dest='strip_file_prefix',
++            metavar='prefix',
++            default=None,
++            help="Strip given prefix from script paths in wheel RECORD."
++        )
++
++        cmd_opts.add_option(
+             "--compile",
+             action="store_true",
+             dest="compile",
+@@ -273,7 +281,11 @@ class InstallCommand(Command):
+                 requirement_set.locate_files()
+ 
+             if not options.no_install and not self.bundle:
+-                requirement_set.install(install_options, global_options, root=options.root_path)
++                requirement_set.install(
++                    install_options,
++                    global_options,
++                    root=options.root_path,
++                    strip_file_prefix=options.strip_file_prefix)
+                 installed = ' '.join([req.name for req in
+                                       requirement_set.successfully_installed])
+                 if installed:
+diff --git a/pip/req.py b/pip/req.py
+index 3ae306d..c171130 100644
+--- a/pip/req.py
++++ b/pip/req.py
+@@ -615,15 +615,19 @@ exec(compile(open(__file__).read().replace('\\r\\n', '\\n'), __file__, 'exec'))
+         name = name.replace(os.path.sep, '/')
+         return name
+ 
+-    def install(self, install_options, global_options=(), root=None):
++    def install(self, install_options, global_options=(), root=None, strip_file_prefix=None):
+         if self.editable:
+             self.install_editable(install_options, global_options)
+             return
+         if self.is_wheel:
+             version = pip.wheel.wheel_version(self.source_dir)
+             pip.wheel.check_compatibility(version, self.name)
+ 
+-            self.move_wheel_files(self.source_dir, root=root)
++            self.move_wheel_files(
++                self.source_dir,
++                root=root,
++                strip_file_prefix=strip_file_prefix
++            )
+             self.install_succeeded = True
+             return
+ 
+@@ -844,13 +848,14 @@ exec(compile(open(__file__).read().replace('\\r\\n', '\\n'), __file__, 'exec'))
+         self._bundle_build_dirs = bundle_build_dirs
+         self._bundle_editable_dirs = bundle_editable_dirs
+ 
+-    def move_wheel_files(self, wheeldir, root=None):
++    def move_wheel_files(self, wheeldir, root=None, strip_file_prefix=None):
+         move_wheel_files(
+             self.name, self.req, wheeldir,
+             user=self.use_user_site,
+             home=self.target_dir,
+             root=root,
+             pycompile=self.pycompile,
++            strip_file_prefix=strip_file_prefix,
+         )
+ 
+     @property
+diff --git a/pip/wheel.py b/pip/wheel.py
+index fa3e270..3a366d0 100644
+--- a/pip/wheel.py
++++ b/pip/wheel.py
+@@ -136,7 +136,7 @@ def get_entrypoints(filename):
+ 
+ 
+ def move_wheel_files(name, req, wheeldir, user=False, home=None, root=None,
+-        pycompile=True):
++        pycompile=True, strip_file_prefix=None):
+     """Install a wheel"""
+ 
+     scheme = distutils_scheme(name, user=user, home=home, root=root)
+@@ -357,6 +357,8 @@ if __name__ == '__main__':
+                 writer.writerow(row)
+             for f in generated:
+                 h, l = rehash(f)
++                if strip_file_prefix and f.startswith(strip_file_prefix):
++                    f = os.path.join(os.sep, os.path.relpath(f, strip_file_prefix))
+                 writer.writerow((f, h, l))
+             for f in installed:
+                 writer.writerow((installed[f], '', ''))