9 files changed, 86 insertions, 6 deletions

diff --git a/vendor/github.com/hashicorp/go-multierror/.travis.yml b/vendor/github.com/hashicorp/go-multierror/.travis.yml
new file mode 100644
index 0000000..304a835
--- /dev/null
+++ b/vendor/github.com/hashicorp/go-multierror/.travis.yml
@@ -0,0 +1,12 @@
+sudo: false
+
+language: go
+
+go:
+  - 1.x
+
+branches:
+  only:
+    - master
+
+script: make test testrace
diff --git a/vendor/github.com/hashicorp/go-multierror/Makefile b/vendor/github.com/hashicorp/go-multierror/Makefile
new file mode 100644
index 0000000..b97cd6e
--- /dev/null
+++ b/vendor/github.com/hashicorp/go-multierror/Makefile
@@ -0,0 +1,31 @@
+TEST?=./...
+
+default: test
+
+# test runs the test suite and vets the code.
+test: generate
+        @echo "==> Running tests..."
+        @go list $(TEST) \
+                | grep -v "/vendor/" \
+                | xargs -n1 go test -timeout=60s -parallel=10 ${TESTARGS}
+
+# testrace runs the race checker
+testrace: generate
+        @echo "==> Running tests (race)..."
+        @go list $(TEST) \
+                | grep -v "/vendor/" \
+                | xargs -n1 go test -timeout=60s -race ${TESTARGS}
+
+# updatedeps installs all the dependencies needed to run and build.
+updatedeps:
+        @sh -c "'${CURDIR}/scripts/deps.sh' '${NAME}'"
+
+# generate runs `go generate` to build the dynamically generated source files.
+generate:
+        @echo "==> Generating..."
+        @find . -type f -name '.DS_Store' -delete
+        @go list ./... \
+                | grep -v "/vendor/" \
+                | xargs -n1 go generate
+
+.PHONY: default test testrace updatedeps generate
diff --git a/vendor/github.com/hashicorp/go-multierror/README.md b/vendor/github.com/hashicorp/go-multierror/README.md
index e81be50..ead5830 100644
--- a/vendor/github.com/hashicorp/go-multierror/README.md
+++ b/vendor/github.com/hashicorp/go-multierror/README.md
@@ -1,5 +1,11 @@
 # go-multierror
 
+[![Build Status](http://img.shields.io/travis/hashicorp/go-multierror.svg?style=flat-square)][travis]
+[![Go Documentation](http://img.shields.io/badge/go-documentation-blue.svg?style=flat-square)][godocs]
+
+[travis]: https://travis-ci.org/hashicorp/go-multierror
+[godocs]: https://godoc.org/github.com/hashicorp/go-multierror
+
 `go-multierror` is a package for Go that provides a mechanism for
 representing a list of `error` values as a single `error`.
 
diff --git a/vendor/github.com/hashicorp/go-multierror/append.go b/vendor/github.com/hashicorp/go-multierror/append.go
index 00afa9b..775b6e7 100644
--- a/vendor/github.com/hashicorp/go-multierror/append.go
+++ b/vendor/github.com/hashicorp/go-multierror/append.go
@@ -18,9 +18,13 @@ func Append(err error, errs ...error) *Error {
                 for _, e := range errs {
                         switch e := e.(type) {
                         case *Error:
-                                err.Errors = append(err.Errors, e.Errors...)
+                                if e != nil {
+                                        err.Errors = append(err.Errors, e.Errors...)
+                                }
                         default:
-                                err.Errors = append(err.Errors, e)
+                                if e != nil {
+                                        err.Errors = append(err.Errors, e)
+                                }
                         }
                 }
 
diff --git a/vendor/github.com/hashicorp/go-multierror/format.go b/vendor/github.com/hashicorp/go-multierror/format.go
index bb65a12..47f13c4 100644
--- a/vendor/github.com/hashicorp/go-multierror/format.go
+++ b/vendor/github.com/hashicorp/go-multierror/format.go
@@ -12,12 +12,16 @@ type ErrorFormatFunc func([]error) string
 // ListFormatFunc is a basic formatter that outputs the number of errors
 // that occurred along with a bullet point list of the errors.
 func ListFormatFunc(es []error) string {
+        if len(es) == 1 {
+                return fmt.Sprintf("1 error occurred:\n\t* %s\n\n", es[0])
+        }
+
         points := make([]string, len(es))
         for i, err := range es {
                 points[i] = fmt.Sprintf("* %s", err)
         }
 
         return fmt.Sprintf(
-                "%d error(s) occurred:\n\n%s",
-                len(es), strings.Join(points, "\n"))
+                "%d errors occurred:\n\t%s\n\n",
+                len(es), strings.Join(points, "\n\t"))
 }
diff --git a/vendor/github.com/hashicorp/go-multierror/go.mod b/vendor/github.com/hashicorp/go-multierror/go.mod
new file mode 100644
index 0000000..2534331
--- /dev/null
+++ b/vendor/github.com/hashicorp/go-multierror/go.mod
@@ -0,0 +1,3 @@
+module github.com/hashicorp/go-multierror
+
+require github.com/hashicorp/errwrap v1.0.0
diff --git a/vendor/github.com/hashicorp/go-multierror/go.sum b/vendor/github.com/hashicorp/go-multierror/go.sum
new file mode 100644
index 0000000..85b1f8f
--- /dev/null
+++ b/vendor/github.com/hashicorp/go-multierror/go.sum
@@ -0,0 +1,4 @@
+github.com/hashicorp/errwrap v0.0.0-20141028054710-7554cd9344ce h1:prjrVgOk2Yg6w+PflHoszQNLTUh4kaByUcEWM/9uin4=
+github.com/hashicorp/errwrap v0.0.0-20141028054710-7554cd9344ce/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
+github.com/hashicorp/errwrap v1.0.0 h1:hLrqtEDnRye3+sgx6z4qVLNuviH3MR5aQ0ykNJa/UYA=
+github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
diff --git a/vendor/github.com/hashicorp/go-multierror/multierror.go b/vendor/github.com/hashicorp/go-multierror/multierror.go
index 2ea0827..89b1422 100644
--- a/vendor/github.com/hashicorp/go-multierror/multierror.go
+++ b/vendor/github.com/hashicorp/go-multierror/multierror.go
@@ -40,11 +40,11 @@ func (e *Error) GoString() string {
 }
 
 // WrappedErrors returns the list of errors that this Error is wrapping.
-// It is an implementatin of the errwrap.Wrapper interface so that
+// It is an implementation of the errwrap.Wrapper interface so that
 // multierror.Error can be used with that library.
 //
 // This method is not safe to be called concurrently and is no different
-// than accessing the Errors field directly. It is implementd only to
+// than accessing the Errors field directly. It is implemented only to
 // satisfy the errwrap.Wrapper interface.
 func (e *Error) WrappedErrors() []error {
         return e.Errors
diff --git a/vendor/github.com/hashicorp/go-multierror/sort.go b/vendor/github.com/hashicorp/go-multierror/sort.go
new file mode 100644
index 0000000..fecb14e
--- /dev/null
+++ b/vendor/github.com/hashicorp/go-multierror/sort.go
@@ -0,0 +1,16 @@
+package multierror
+
+// Len implements sort.Interface function for length
+func (err Error) Len() int {
+        return len(err.Errors)
+}
+
+// Swap implements sort.Interface function for swapping elements
+func (err Error) Swap(i, j int) {
+        err.Errors[i], err.Errors[j] = err.Errors[j], err.Errors[i]
+}
+
+// Less implements sort.Interface function for determining order
+func (err Error) Less(i, j int) bool {
+        return err.Errors[i].Error() < err.Errors[j].Error()
+}