add appveyor.yml (#36)
diff --git a/README.md b/README.md
index 8af5713..f9acbd4 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# errors [![Travis-CI](https://travis-ci.org/pkg/errors.svg)](https://travis-ci.org/pkg/errors) [![GoDoc](https://godoc.org/github.com/pkg/errors?status.svg)](http://godoc.org/github.com/pkg/errors) [![Report card](https://goreportcard.com/badge/github.com/pkg/errors)](https://goreportcard.com/report/github.com/pkg/errors)
+# errors [![Travis-CI](https://travis-ci.org/pkg/errors.svg)](https://travis-ci.org/pkg/errors) [![AppVeyor](https://ci.appveyor.com/api/projects/status/b98mptawhudj53ep/branch/master?svg=true)](https://ci.appveyor.com/project/davecheney/errors/branch/master) [![GoDoc](https://godoc.org/github.com/pkg/errors?status.svg)](http://godoc.org/github.com/pkg/errors) [![Report card](https://goreportcard.com/badge/github.com/pkg/errors)](https://goreportcard.com/report/github.com/pkg/errors)
Package errors provides simple error handling primitives.
diff --git a/appveyor.yml b/appveyor.yml
new file mode 100644
index 0000000..a932ead
--- /dev/null
+++ b/appveyor.yml
@@ -0,0 +1,32 @@
+version: build-{build}.{branch}
+
+clone_folder: C:\gopath\src\github.com\pkg\errors
+shallow_clone: true # for startup speed
+
+environment:
+ GOPATH: C:\gopath
+
+platform:
+ - x64
+
+# http://www.appveyor.com/docs/installed-software
+install:
+ # some helpful output for debugging builds
+ - go version
+ - go env
+ # pre-installed MinGW at C:\MinGW is 32bit only
+ # but MSYS2 at C:\msys64 has mingw64
+ - set PATH=C:\msys64\mingw64\bin;%PATH%
+ - gcc --version
+ - g++ --version
+
+build_script:
+ - go install -v ./...
+
+test_script:
+ - set PATH=C:\gopath\bin;%PATH%
+ - go test -v ./...
+
+#artifacts:
+# - path: '%GOPATH%\bin\*.exe'
+deploy: off