From 97ebc923d402745206b34014650c8be43dc299d7 Mon Sep 17 00:00:00 2001
From: Jean-Paul Calderone <exarkun@twistedmatrix.com>
Date: Thu, 21 Feb 2019 15:20:41 -0500
Subject: [PATCH 1/3] Dear Appveyor: skip branch with pr

Thanks.
---
 .appveyor.yml | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/.appveyor.yml b/.appveyor.yml
index 3fd265ca2..5d59dde2c 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -20,9 +20,12 @@ install:
 # %PYTHON% has: python.exe
 # %PYTHON%\Scripts has: pip.exe, tox.exe (and others installed by bare pip)
 
-
+# We have a custom "build" system.  We don't need MSBuild or whatever.
 build: off
 
+# Do not build feature branch with open Pull Requests
+skip_branch_with_pr: true
+
 # we run from C:\projects\tahoe-lafs
 
 test_script:
@@ -57,4 +60,3 @@ artifacts:
 #  You can use this step to upload your artifacts to a public website.
 #  See Appveyor's documentation for more details. Or you can simply
 #  access your wheels from the Appveyor "artifacts" tab for your build.
-  

From 69350d1246794a2c0a10d5e4f83fba1c958d2f41 Mon Sep 17 00:00:00 2001
From: Jean-Paul Calderone <exarkun@twistedmatrix.com>
Date: Thu, 21 Feb 2019 15:21:22 -0500
Subject: [PATCH 2/3] news fragment

---
 newsfragments/2974.other | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 newsfragments/2974.other

diff --git a/newsfragments/2974.other b/newsfragments/2974.other
new file mode 100644
index 000000000..80905b7c8
--- /dev/null
+++ b/newsfragments/2974.other
@@ -0,0 +1 @@
+The Windows CI configuration has been tweaked.
\ No newline at end of file

From aa1b6a87eb2aeec7a7aff10d0d86c58f025eab9b Mon Sep 17 00:00:00 2001
From: Jean-Paul Calderone <exarkun@twistedmatrix.com>
Date: Thu, 21 Feb 2019 16:01:31 -0500
Subject: [PATCH 3/3] Try harder to stop the branch builds.

---
 .appveyor.yml | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/.appveyor.yml b/.appveyor.yml
index 5d59dde2c..c01b10912 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -23,9 +23,25 @@ install:
 # We have a custom "build" system.  We don't need MSBuild or whatever.
 build: off
 
-# Do not build feature branch with open Pull Requests
+# Do not build feature branch with open pull requests.  This is documented but
+# it's not clear it does anything.
 skip_branch_with_pr: true
 
+# This, perhaps, is effective.
+branches:
+  # whitelist
+  only:
+    - 'master'
+
+skip_commits:
+ files:
+   # The Windows builds are unaffected by news fragments.
+   - 'newsfragments/*'
+   # Also, all this build junk.
+   - '.circleci/*'
+   - '.lgtm.yml'
+   - '.travis.yml'
+
 # we run from C:\projects\tahoe-lafs
 
 test_script: