From 7b3991c99cd8bb9358e109901d4aa8f51269a87a Mon Sep 17 00:00:00 2001
From: Tomas Orsava <tomas.n@orsava.cz>
Date: Tue, 17 May 2016 16:40:37 +0200
Subject: [PATCH] Allow stripping given prefix from wheel RECORD files

Update of a previous patch [0] by Slavek Kabrda <bkabrda@redhat.com>.
Changes in the pip/wheel.py file in upstream prevented #2 hunk from being
applied cleanly.

[0] pip-1.5rc1-allow-stripping-prefix-from-wheel-RECORD-files.patch
---
 pip/commands/install.py |  9 +++++++++
 pip/req/req_install.py  | 13 +++++++++----
 pip/wheel.py            |  8 ++++++--
 3 files changed, 24 insertions(+), 6 deletions(-)

diff --git a/pip/commands/install.py b/pip/commands/install.py
index 7ddde93..e31bd3e 100644
--- a/pip/commands/install.py
+++ b/pip/commands/install.py
@@ -137,6 +137,14 @@ class InstallCommand(RequirementCommand):
                  "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(
             '--prefix',
             dest='prefix_path',
             metavar='dir',
@@ -315,6 +323,7 @@ class InstallCommand(RequirementCommand):
                             global_options,
                             root=options.root_path,
                             prefix=options.prefix_path,
+                            strip_file_prefix=options.strip_file_prefix,
                         )
                         reqs = sorted(
                             requirement_set.successfully_installed,
diff --git a/pip/req/req_install.py b/pip/req/req_install.py
index 9e9fbbb..47f263f 100644
--- a/pip/req/req_install.py
+++ b/pip/req/req_install.py
@@ -818,8 +818,7 @@ class InstallRequirement(object):
         else:
             return True
 
-    def install(self, install_options, global_options=[], root=None,
-                prefix=None):
+    def install(self, install_options, global_options=[], root=None, prefix=None, strip_file_prefix=None):
         if self.editable:
             self.install_editable(
                 install_options, global_options, prefix=prefix)
@@ -828,7 +827,12 @@ class InstallRequirement(object):
             version = pip.wheel.wheel_version(self.source_dir)
             pip.wheel.check_compatibility(version, self.name)
 
-            self.move_wheel_files(self.source_dir, root=root, prefix=prefix)
+            self.move_wheel_files(
+                self.source_dir,
+                root=root,
+                prefix=prefix,
+                strip_file_prefix=strip_file_prefix
+            )
             self.install_succeeded = True
             return
 
@@ -1021,7 +1025,7 @@ class InstallRequirement(object):
     def is_wheel(self):
         return self.link and self.link.is_wheel
 
-    def move_wheel_files(self, wheeldir, root=None, prefix=None):
+    def move_wheel_files(self, wheeldir, root=None, prefix=None, strip_file_prefix=None):
         move_wheel_files(
             self.name, self.req, wheeldir,
             user=self.use_user_site,
@@ -1030,6 +1034,7 @@ class InstallRequirement(object):
             prefix=prefix,
             pycompile=self.pycompile,
             isolated=self.isolated,
+            strip_file_prefix=strip_file_prefix,
         )
 
     def get_dist(self):
diff --git a/pip/wheel.py b/pip/wheel.py
index b257d76..6d78ce6 100644
--- a/pip/wheel.py
+++ b/pip/wheel.py
@@ -238,7 +238,7 @@ def get_entrypoints(filename):
 
 
 def move_wheel_files(name, req, wheeldir, user=False, home=None, root=None,
-                     pycompile=True, scheme=None, isolated=False, prefix=None):
+                     pycompile=True, scheme=None, isolated=False, prefix=None, strip_file_prefix=None):
     """Install a wheel"""
 
     if not scheme:
@@ -522,7 +522,11 @@ if __name__ == '__main__':
                 writer.writerow(row)
             for f in generated:
                 h, l = rehash(f)
-                writer.writerow((normpath(f, lib_dir), h, l))
+                final_path = normpath(f, lib_dir)
+                if strip_file_prefix and final_path.startswith(strip_file_prefix):
+                    final_path = os.path.join(os.sep,
+                            os.path.relpath(final_path, strip_file_prefix))
+                writer.writerow((final_path, h, l))
             for f in installed:
                 writer.writerow((installed[f], '', ''))
     shutil.move(temp_record, record)
-- 
2.5.5