fix #1913 -- graceful serve -d fallback

Kwpolska · Kwpolska · commit 05203d7d3136 · 2015-07-26T10:44:46.000+02:00
Signed-off-by: Chris Warrick &lt;kwpolska@gmail.com&gt;
diff --git a/CHANGES.txt b/CHANGES.txt
@@ -12,12 +12,13 @@ Features
 Bugfixes
 --------
 
-* Don't auto-rebuild on changes to ".foo" or "foo~" or changes in folders.
+* Graceful fallback in ``nikola serve --detach`` on Windows (Issue #1913)
+* Don't auto-rebuild on changes to ".foo" or "foo~" or changes in folders
 * auto should also rebuild in response to move events
 * Don’t get metadata from file if compiler-specific metadata exist (Issue #1904)
 * Fix PRETTY_URLS prompt for Windows (Issue #1901)
 * Fix reST and Markdown title extraction from documents (Issue #1895, #1898)
-* Minor improvements in the extending document.
+* Minor improvements to the extending document
 * Re-add the hack to kill nikola auto on ^C (Issue #1893)
 
 New in v7.6.1
diff --git a/nikola/plugins/command/serve.py b/nikola/plugins/command/serve.py
@@ -127,11 +127,17 @@ def _execute(self, options, args):
                 webbrowser.open(server_url)
             if options['detach']:
                 OurHTTPRequestHandler.quiet = True
-                pid = os.fork()
-                if pid == 0:
-                    httpd.serve_forever()
-                else:
-                    self.logger.info("Detached with PID {0}. Run `kill {0}` to stop the server.".format(pid))
+                try:
+                    pid = os.fork()
+                    if pid == 0:
+                        httpd.serve_forever()
+                    else:
+                        self.logger.info("Detached with PID {0}. Run `kill {0}` to stop the server.".format(pid))
+                except AttributeError as e:
+                    if os.name == 'nt':
+                        self.logger.warning("Detaching is not available on Windows, server is running in the foreground.")
+                    else:
+                        raise e
             else:
                 try:
                     httpd.serve_forever()
