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authorNiall Sheridan <nsheridan@gmail.com>2016-05-29 14:46:06 +0100
committerNiall Sheridan <nsheridan@gmail.com>2016-05-29 14:46:06 +0100
commit1a16ff15b87a10b2e7359ba53104ed4bd9fef9e8 (patch)
tree1f6ea2155189713110bf05dc62af4a560152917c /vendor/github.com/hashicorp/go-multierror/prefix.go
parent2d76d6028d75dda1d239d228d47679b5b35ee1e1 (diff)
parent46ec48845704b54d395727441edc049b009da774 (diff)
Merge pull request #10 from nsheridan/hcl
Switch from json to hcl configs
Diffstat (limited to 'vendor/github.com/hashicorp/go-multierror/prefix.go')
-rw-r--r--vendor/github.com/hashicorp/go-multierror/prefix.go37
1 files changed, 37 insertions, 0 deletions
diff --git a/vendor/github.com/hashicorp/go-multierror/prefix.go b/vendor/github.com/hashicorp/go-multierror/prefix.go
new file mode 100644
index 0000000..5c477ab
--- /dev/null
+++ b/vendor/github.com/hashicorp/go-multierror/prefix.go
@@ -0,0 +1,37 @@
+package multierror
+
+import (
+ "fmt"
+
+ "github.com/hashicorp/errwrap"
+)
+
+// Prefix is a helper function that will prefix some text
+// to the given error. If the error is a multierror.Error, then
+// it will be prefixed to each wrapped error.
+//
+// This is useful to use when appending multiple multierrors
+// together in order to give better scoping.
+func Prefix(err error, prefix string) error {
+ if err == nil {
+ return nil
+ }
+
+ format := fmt.Sprintf("%s {{err}}", prefix)
+ switch err := err.(type) {
+ case *Error:
+ // Typed nils can reach here, so initialize if we are nil
+ if err == nil {
+ err = new(Error)
+ }
+
+ // Wrap each of the errors
+ for i, e := range err.Errors {
+ err.Errors[i] = errwrap.Wrapf(format, e)
+ }
+
+ return err
+ default:
+ return errwrap.Wrapf(format, err)
+ }
+}