[calm - Cygwin server-side packaging maintenance script] branch master, updated. 20200401-9-g49c58c4

https://sourceware.org/git/gitweb.cgi?p=cygwin-apps/calm.git;h=49c58c4aeb14b75be801856024d64713e645ddc3

commit 49c58c4aeb14b75be801856024d64713e645ddc3
Author: Jon Turney <[email protected]>
Date:   Mon Apr 13 16:46:27 2020 +0100

    Add a tool for demonstrating version sort

https://sourceware.org/git/gitweb.cgi?p=cygwin-apps/calm.git;h=2d6362640447e1766a0c2dccb2bdc12ed6037c92

commit 2d6362640447e1766a0c2dccb2bdc12ed6037c92
Author: Jon Turney <[email protected]>
Date:   Mon Apr 13 15:51:36 2020 +0100

    Enhance homepage fixing
    
    Handle:
    * Trivial terminal '/' redirects
    * 308 Permanent Redirect as well as 301 Moved Permanently
    * sites which block urllib's default user-agent


Diff:
---
 calm/fixes.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/calm/fixes.py b/calm/fixes.py
index b42c575..a89896a 100644
--- a/calm/fixes.py
+++ b/calm/fixes.py
@@ -71,6 +71,7 @@ class NoRedirection(urllib.request.HTTPErrorProcessor):
 @functools.lru_cache(maxsize=None)
 def follow_redirect(homepage):
     opener = urllib.request.build_opener(NoRedirection)
+    opener.addheaders = [('User-Agent', 'calm')]
     try:
         response = opener.open(homepage)
         if response.code in [301, 308]: