From c8c148c70a0e34ed3f78bd61cbc94593e9b5199c Mon Sep 17 00:00:00 2001
From: James Carnegie <kipz@users.noreply.github.com>
Date: Fri, 31 May 2024 11:02:14 +0100
Subject: [PATCH] Expose ParsePlatform (#45)

---
 pkg/oci/oci.go      | 8 ++++----
 pkg/oci/oci_test.go | 6 +++---
 pkg/oci/resolver.go | 2 +-
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/pkg/oci/oci.go b/pkg/oci/oci.go
index 98aad3d..1ee2645 100644
--- a/pkg/oci/oci.go
+++ b/pkg/oci/oci.go
@@ -20,9 +20,9 @@ import (
 	"github.com/pkg/errors"
 )
 
-// parsePlatform parses the provided platform string or attempts to obtain
+// ParsePlatform parses the provided platform string or attempts to obtain
 // the platform of the current host system
-func parsePlatform(platformStr string) (*v1.Platform, error) {
+func ParsePlatform(platformStr string) (*v1.Platform, error) {
 	if platformStr == "" {
 		cdp := platforms.Normalize(platforms.DefaultSpec())
 		if cdp.OS != "windows" {
@@ -106,7 +106,7 @@ type OCILayoutResolver struct {
 }
 
 func NewOCILayoutAttestationResolver(path string, platform string) (*OCILayoutResolver, error) {
-	p, err := parsePlatform(platform)
+	p, err := ParsePlatform(platform)
 	if err != nil {
 		return nil, err
 	}
@@ -202,7 +202,7 @@ type RegistryResolver struct {
 }
 
 func NewRegistryAttestationResolver(image string, platform string) (*RegistryResolver, error) {
-	p, err := parsePlatform(platform)
+	p, err := ParsePlatform(platform)
 	if err != nil {
 		return nil, err
 	}
diff --git a/pkg/oci/oci_test.go b/pkg/oci/oci_test.go
index a920331..953979f 100644
--- a/pkg/oci/oci_test.go
+++ b/pkg/oci/oci_test.go
@@ -10,7 +10,7 @@ import (
 )
 
 func TestRefToPurl(t *testing.T) {
-	arm, err := parsePlatform("arm64/linux")
+	arm, err := ParsePlatform("arm64/linux")
 	require.NoError(t, err)
 	purl, canonical, err := RefToPURL("alpine", arm)
 	assert.NoError(t, err)
@@ -73,13 +73,13 @@ func TestImageDigestForPlatform(t *testing.T) {
 	mfs2, err := mfs.IndexManifest()
 	assert.NoError(t, err)
 
-	p, err := parsePlatform("linux/amd64")
+	p, err := ParsePlatform("linux/amd64")
 	assert.NoError(t, err)
 	digest, err := imageDigestForPlatform(mfs2, p)
 	assert.NoError(t, err)
 	assert.Equal(t, "sha256:da8b190665956ea07890a0273e2a9c96bfe291662f08e2860e868eef69c34620", digest)
 
-	p, err = parsePlatform("linux/arm64")
+	p, err = ParsePlatform("linux/arm64")
 	assert.NoError(t, err)
 	digest, err = imageDigestForPlatform(mfs2, p)
 	assert.NoError(t, err)
diff --git a/pkg/oci/resolver.go b/pkg/oci/resolver.go
index 595eeec..02d1f71 100644
--- a/pkg/oci/resolver.go
+++ b/pkg/oci/resolver.go
@@ -42,5 +42,5 @@ func (r MockResolver) ImageDigest(ctx context.Context) (string, error) {
 }
 
 func (r MockResolver) ImagePlatform() (*v1.Platform, error) {
-	return parsePlatform("linux/amd64")
+	return ParsePlatform("linux/amd64")
 }