From d15122d3d6b67d42617ed9950ce5273d0dba64fd Mon Sep 17 00:00:00 2001
From: Jakob Unterwurzacher
Date: Tue, 1 Nov 2016 19:20:55 +0100
Subject: Add Go 1.4 compatibility layer for raw64

Using raw64 will not work, but at least it will compile.
---
 internal/nametransform/names.go       |  2 +-
 internal/nametransform/raw64_go1.4.go | 18 ++++++++++++++++++
 internal/nametransform/raw64_go1.5.go | 15 +++++++++++++++
 3 files changed, 34 insertions(+), 1 deletion(-)
 create mode 100644 internal/nametransform/raw64_go1.4.go
 create mode 100644 internal/nametransform/raw64_go1.5.go

(limited to 'internal/nametransform')

diff --git a/internal/nametransform/names.go b/internal/nametransform/names.go
index 9b1639f..ddb5faa 100644
--- a/internal/nametransform/names.go
+++ b/internal/nametransform/names.go
@@ -25,7 +25,7 @@ type NameTransform struct {
 func New(c *cryptocore.CryptoCore, longNames bool, raw64 bool) *NameTransform {
 	b64 := base64.URLEncoding
 	if raw64 {
-		b64 = base64.RawURLEncoding
+		b64 = getRaw64Encoding()
 	}
 	return &NameTransform{
 		cryptoCore: c,
diff --git a/internal/nametransform/raw64_go1.4.go b/internal/nametransform/raw64_go1.4.go
new file mode 100644
index 0000000..bbffb69
--- /dev/null
+++ b/internal/nametransform/raw64_go1.4.go
@@ -0,0 +1,18 @@
+//+build !go1.5
+
+package nametransform
+
+import (
+	"encoding/base64"
+	"log"
+)
+
+const (
+	HaveRaw64 = false
+)
+
+func getRaw64Encoding() *base64.Encoding {
+	log.Panicf("Tried to use base64.RawURLEncoding but your Go version does not provide it.\n" +
+		"You need Go 1.5 or higher.")
+	return nil
+}
diff --git a/internal/nametransform/raw64_go1.5.go b/internal/nametransform/raw64_go1.5.go
new file mode 100644
index 0000000..aa7f7fd
--- /dev/null
+++ b/internal/nametransform/raw64_go1.5.go
@@ -0,0 +1,15 @@
+//+build go1.5
+
+package nametransform
+
+import (
+	"encoding/base64"
+)
+
+const (
+	HaveRaw64 = true
+)
+
+func getRaw64Encoding() *base64.Encoding {
+	return base64.RawURLEncoding
+}
-- 
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