From 31b2fd0709f259961253b9cdc875ce7827abaa68 Mon Sep 17 00:00:00 2001
From: Christopher Baines <mail@cbaines.net>
Date: Sun, 7 Feb 2016 21:19:28 +0000
Subject: Imported Upstream version 1.16.0

---
 setup_helper.py | 62 ++++++++++++++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 57 insertions(+), 5 deletions(-)

(limited to 'setup_helper.py')

diff --git a/setup_helper.py b/setup_helper.py
index ff6b0e1..9e3834b 100644
--- a/setup_helper.py
+++ b/setup_helper.py
@@ -30,9 +30,42 @@ import distutils.archive_util
 from distutils.dir_util import mkpath
 from distutils.spawn import spawn
 
-
-def make_tarball(base_name, base_dir, compress='gzip',
-                 verbose=False, dry_run=False):
+try:
+    from pwd import getpwnam
+except ImportError:
+    getpwnam = None
+
+try:
+    from grp import getgrnam
+except ImportError:
+    getgrnam = None
+
+def _get_gid(name):
+    """Returns a gid, given a group name."""
+    if getgrnam is None or name is None:
+        return None
+    try:
+        result = getgrnam(name)
+    except KeyError:
+        result = None
+    if result is not None:
+        return result[2]
+    return None
+
+def _get_uid(name):
+    """Returns an uid, given a user name."""
+    if getpwnam is None or name is None:
+        return None
+    try:
+        result = getpwnam(name)
+    except KeyError:
+        result = None
+    if result is not None:
+        return result[2]
+    return None
+
+def make_tarball(base_name, base_dir, compress='gzip', verbose=0, dry_run=0,
+                 owner=None, group=None):
     """Create a tar file from all the files under 'base_dir'.
     This file may be compressed.
 
@@ -75,11 +108,30 @@ def make_tarball(base_name, base_dir, compress='gzip',
     mkpath(os.path.dirname(archive_name), dry_run=dry_run)
     log.info('Creating tar file %s with mode %s' % (archive_name, mode))
 
+    uid = _get_uid(owner)
+    gid = _get_gid(group)
+
+    def _set_uid_gid(tarinfo):
+        if gid is not None:
+            tarinfo.gid = gid
+            tarinfo.gname = group
+        if uid is not None:
+            tarinfo.uid = uid
+            tarinfo.uname = owner
+        return tarinfo
+
     if not dry_run:
         tar = tarfile.open(archive_name, mode=mode)
         # This recursively adds everything underneath base_dir
-        tar.add(base_dir)
-        tar.close()
+        try:
+            try:
+                # Support for the `filter' parameter was added in Python 2.7,
+                # earlier versions will raise TypeError.
+                tar.add(base_dir, filter=_set_uid_gid)
+            except TypeError:
+                tar.add(base_dir)
+        finally:
+            tar.close()
 
     if compress and compress not in tarfile_compress_flag:
         spawn([compress] + compress_flags[compress] + [archive_name],
-- 
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