From 1757663cc4fdfc0fd4d1d40b32c66e136f0806d7 Mon Sep 17 00:00:00 2001
From: Yannick Cote <ycote@redhat.com>
Date: Wed, 17 Nov 2021 10:11:05 -0500
Subject: [PATCH] sif: limit platform to linux

Signed-off-by: Yannick Cote <ycote@redhat.com>
---
 sif/internal/sif_util.go                  | 2 ++
 sif/sif/create.go                         | 2 ++
 sif/sif/init.go                           | 2 ++
 sif/sif/load.go                           | 2 ++
 sif/sif/lookup.go                         | 2 ++
 sif/sif/sif.go                            | 5 ++++-
 sif/sif_src.go                            | 2 ++
 sif/sif_transport.go                      | 2 ++
 transports/alltransports/alltransports.go | 2 +-
 transports/alltransports/sif.go           | 8 ++++++++
 transports/alltransports/sif_stub.go      | 9 +++++++++
 11 files changed, 36 insertions(+), 2 deletions(-)
 create mode 100644 transports/alltransports/sif.go
 create mode 100644 transports/alltransports/sif_stub.go

diff --git a/sif/internal/sif_util.go b/sif/internal/sif_util.go
index 88a5620c..c347d101 100644
--- a/sif/internal/sif_util.go
+++ b/sif/internal/sif_util.go
@@ -1,3 +1,5 @@
+// +build linux
+
 package internal
 
 import (
diff --git a/sif/sif/create.go b/sif/sif/create.go
index 1b197996..a1185e14 100644
--- a/sif/sif/create.go
+++ b/sif/sif/create.go
@@ -5,6 +5,8 @@
 // LICENSE file distributed with the sources of this project regarding your
 // rights to use or distribute this software.
 
+// +build linux
+
 package sif
 
 import (
diff --git a/sif/sif/init.go b/sif/sif/init.go
index 3e772d6b..c5c84504 100644
--- a/sif/sif/init.go
+++ b/sif/sif/init.go
@@ -5,6 +5,8 @@
 // LICENSE file distributed with the sources of this project regarding your
 // rights to use or distribute this software.
 
+// +build linux
+
 package sif
 
 import (
diff --git a/sif/sif/load.go b/sif/sif/load.go
index 40f703d5..c9b7c17a 100644
--- a/sif/sif/load.go
+++ b/sif/sif/load.go
@@ -5,6 +5,8 @@
 // LICENSE file distributed with the sources of this project regarding your
 // rights to use or distribute this software.
 
+// +build linux
+
 package sif
 
 import (
diff --git a/sif/sif/lookup.go b/sif/sif/lookup.go
index 5208e27d..a7c4253d 100644
--- a/sif/sif/lookup.go
+++ b/sif/sif/lookup.go
@@ -5,6 +5,8 @@
 // LICENSE file distributed with the sources of this project regarding your
 // rights to use or distribute this software.
 
+// +build linux
+
 package sif
 
 import (
diff --git a/sif/sif/sif.go b/sif/sif/sif.go
index d05fe5ab..964d7b72 100644
--- a/sif/sif/sif.go
+++ b/sif/sif/sif.go
@@ -5,6 +5,8 @@
 // LICENSE file distributed with the sources of this project regarding your
 // rights to use or distribute this software.
 
+// +build linux
+
 // Package sif implements data structures and routines to create
 // and access SIF files.
 // 	- sif.go contains the data definition the file format.
@@ -18,8 +20,9 @@ package sif
 
 import (
 	"bytes"
-	"github.com/satori/go.uuid"
 	"os"
+
+	uuid "github.com/satori/go.uuid"
 )
 
 // Layout of a SIF file (example)
diff --git a/sif/sif_src.go b/sif/sif_src.go
index 089ed34b..92af2664 100644
--- a/sif/sif_src.go
+++ b/sif/sif_src.go
@@ -1,3 +1,5 @@
+// +build linux
+
 package sifimage
 
 import (
diff --git a/sif/sif_transport.go b/sif/sif_transport.go
index d118b73a..75752a65 100644
--- a/sif/sif_transport.go
+++ b/sif/sif_transport.go
@@ -1,3 +1,5 @@
+// +build linux
+
 package sifimage
 
 import (
diff --git a/transports/alltransports/alltransports.go b/transports/alltransports/alltransports.go
index 0bae8b25..9dc9b4c2 100644
--- a/transports/alltransports/alltransports.go
+++ b/transports/alltransports/alltransports.go
@@ -12,9 +12,9 @@ import (
 	_ "github.com/containers/image/v5/oci/archive"
 	_ "github.com/containers/image/v5/oci/layout"
 	_ "github.com/containers/image/v5/openshift"
-	_ "github.com/containers/image/v5/sif"
 	_ "github.com/containers/image/v5/tarball"
 
+	// The sif transport is registered by sif*.go
 	// The ostree transport is registered by ostree*.go
 	// The storage transport is registered by storage*.go
 	"github.com/containers/image/v5/transports"
diff --git a/transports/alltransports/sif.go b/transports/alltransports/sif.go
new file mode 100644
index 00000000..ba348f2d
--- /dev/null
+++ b/transports/alltransports/sif.go
@@ -0,0 +1,8 @@
+// +build linux
+
+package alltransports
+
+import (
+	// Register the sif transport
+	_ "github.com/containers/image/v5/sif"
+)
diff --git a/transports/alltransports/sif_stub.go b/transports/alltransports/sif_stub.go
new file mode 100644
index 00000000..7715f7be
--- /dev/null
+++ b/transports/alltransports/sif_stub.go
@@ -0,0 +1,9 @@
+// +build !linux
+
+package alltransports
+
+import "github.com/containers/image/v5/transports"
+
+func init() {
+	transports.Register(transports.NewStubTransport("sif"))
+}