# HG changeset patch
# User David Douard <david.douard@logilab.fr>
# Date 1524134868 -7200
# Node ID 2c582a242b6626b9455d0c4ea045fd84e5ab657d
# Parent  547bb96ea2a8f01f8dacbafe9e18a0cde7ebdc49
[web] fix css file generation permission bug (closes #17143773)

PropertySheet.process_resource() uses mkstemp which enforce a 0600 mode on the
output file, which is not the file permission we want for css files.

diff -r 547bb96ea2a8 -r 2c582a242b66 cubicweb/web/propertysheet.py
--- a/cubicweb/web/propertysheet.py	Thu Apr 19 12:45:24 2018 +0200
+++ b/cubicweb/web/propertysheet.py	Thu Apr 19 12:47:48 2018 +0200
@@ -109,6 +109,12 @@
             with os.fdopen(tmpfd, 'w') as stream:
                 stream.write(content)
             try:
+                mode = os.stat(sourcefile).st_mode
+                os.chmod(tmpfile, mode)
+            except IOError:
+                self.warning('Cannot set access mode for %s; you may encouter '
+                             'file permissions issues', cachefile)
+            try:
                 os.rename(tmpfile, cachefile)
             except OSError as err:
                 if err.errno != errno.EEXIST: