Add all dependency of go-getter

vendor/github.com/aws/aws-sdk-go/internal/sdkuri/path.go

@@ -0,0 +1,23 @@
+package sdkuri
+
+import (
+	"path"
+	"strings"
+)
+
+// PathJoin will join the elements of the path delimited by the "/"
+// character. Similar to path.Join with the exception the trailing "/"
+// character is preserved if present.
+func PathJoin(elems ...string) string {
+	if len(elems) == 0 {
+		return ""
+	}
+
+	hasTrailing := strings.HasSuffix(elems[len(elems)-1], "/")
+	str := path.Join(elems...)
+	if hasTrailing && str != "/" {
+		str += "/"
+	}
+
+	return str
+}

vendor/github.com/aws/aws-sdk-go/internal/sdkuri/path_test.go

@@ -0,0 +1,21 @@
+package sdkuri
+
+import "testing"
+
+func TestPathJoin(t *testing.T) {
+	cases := []struct {
+		Elems  []string
+		Expect string
+	}{
+		{Elems: []string{"/"}, Expect: "/"},
+		{Elems: []string{}, Expect: ""},
+		{Elems: []string{"blah", "el", "blah/"}, Expect: "blah/el/blah/"},
+		{Elems: []string{"/asd", "asdfa", "asdfasd/"}, Expect: "/asd/asdfa/asdfasd/"},
+		{Elems: []string{"asdfa", "asdfa", "asdfads"}, Expect: "asdfa/asdfa/asdfads"},
+	}
+	for _, c := range cases {
+		if e, a := c.Expect, PathJoin(c.Elems...); e != a {
+			t.Errorf("expect %v, got %v", e, a)
+		}
+	}
+}