Merge pull request #5 from objenious/go1.13

Go1.13, don't take PATH env variable

Author: Baptiste Boussemart

.travis.yml

@@ -9,3 +9,6 @@ go:
   - 1.9.x
   - 1.10.x
   - 1.11.x
+  - 1.12.x
+  - 1.13.x
+  - 1.x

envconfig.go

@@ -164,6 +164,9 @@ func generateAlternatives(matrice, name string) []string {
 	split := strings.Split(matrice, "_")
 	for i := 1; i < len(split); i++ {
 		alt := strings.Join(split[i:], "_")
+		if alt == "PATH" {
+			break
+		}
 		alts = append(alts, alt)
 		if alt == name {
 			break

go.mod

@@ -0,0 +1,5 @@
+module github.com/objenious/envconfig
+
+go 1.13
+
+require github.com/stretchr/testify v1.4.0

go.sum

@@ -0,0 +1,10 @@
+github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
+github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

path_env_test.go

@@ -0,0 +1,16 @@
+package envconfig
+
+import "testing"
+
+type cfPath struct {
+	JSONPath string `envconfig:"json_path" default:"test"`
+}
+
+func TestPath(t *testing.T) {
+	config := &cfPath{}
+	MustProcess("", config)
+	if config.JSONPath != "test" {
+		t.Logf("should be default, not path : %+v", config)
+		t.Fail()
+	}
+}