Add login and logout methods for convenience of use

cmd/login.go

@@ -0,0 +1,18 @@
+package cmd
+
+import (
+	craneCmd "github.com/google/go-containerregistry/cmd/crane/cmd"
+	"github.com/spf13/cobra"
+)
+
+func LoginCmd() *cobra.Command {
+
+	// For simplicity, and because we use the library quite a bit, we'll just replicate the crane login CMD
+	// and update the usage instructions to match the gooci style
+
+	command := craneCmd.NewCmdAuthLogin()
+	command.Short = "Login to a remote registry"
+	command.Example = ""
+
+	return command
+}

cmd/logout.go

@@ -0,0 +1,17 @@
+package cmd
+
+import (
+	craneCmd "github.com/google/go-containerregistry/cmd/crane/cmd"
+	"github.com/spf13/cobra"
+)
+
+func LogoutCmd() *cobra.Command {
+
+	// For simplicity, and because we use the library quite a bit, we'll just replicate the crane logout CMD
+	// and update the usage instructions to match the gooci style
+
+	command := craneCmd.NewCmdAuthLogout()
+	command.Example = ""
+
+	return command
+}

go.mod

@@ -13,6 +13,7 @@ require (
 	github.com/docker/cli v27.1.1+incompatible // indirect
 	github.com/docker/distribution v2.8.2+incompatible // indirect
 	github.com/docker/docker-credential-helpers v0.7.0 // indirect
+	github.com/google/go-cmp v0.5.9 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/klauspost/compress v1.16.5 // indirect
 	github.com/mitchellh/go-homedir v1.1.0 // indirect

go.sum

@@ -48,12 +48,16 @@ github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o
 github.com/urfave/cli v1.22.12/go.mod h1:sSBEIC79qR6OvcmsD4U3KABeOTxDqQtdDnaFuUN30b8=
 github.com/vbatts/tar-split v0.11.3 h1:hLFqsOLQ1SsppQNTMpkpPXClLDfC2A3Zgy9OUU+RVck=
 github.com/vbatts/tar-split v0.11.3/go.mod h1:9QlHN18E+fEH7RdG+QAJJcuya3rqT7eXSTY7wGrAokY=
+golang.org/x/mod v0.10.0 h1:lFO9qtOdlre5W1jxS3r/4szv2/6iXxScdzjoBMXNhYk=
+golang.org/x/mod v0.10.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
 golang.org/x/sync v0.6.0 h1:5BMeUDZ7vkXGfEr1x9B4bRcTH4lpkTkpdh0T/J+qjbQ=
 golang.org/x/sync v0.6.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220906165534-d0df966e6959/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.15.0 h1:h48lPFYpsTvQJZF4EKyI4aLHaev3CxivZmv7yZig9pc=
 golang.org/x/sys v0.15.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/tools v0.9.1 h1:8WMNJAz3zrtPmnYC7ISf5dEn3MT0gY7jBJfw27yrrLo=
+golang.org/x/tools v0.9.1/go.mod h1:owI94Op576fPu3cIGQeHs3joujW/2Oc6MtlxbF5dfNc=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

main.go

@@ -14,6 +14,8 @@ func main() {
 
 	rootCmd.AddCommand(cmd.UploadReleaseCmd())
 	rootCmd.AddCommand(cmd.DownloadReleaseCmd())
+	rootCmd.AddCommand(cmd.LoginCmd())
+	rootCmd.AddCommand(cmd.LogoutCmd())
 
 	if err := rootCmd.Execute(); err != nil {
 		log.Fatal(err)