feat: add version command for modctl

Signed-off-by: Gaius <[email protected]>

Author: gaius-qi

.goreleaser.yml

@@ -16,6 +16,12 @@ builds:
     goarch:
       - amd64
       - arm64
+    env:
+      - CGO_ENABLED=0
+    ldflags:
+      - -X github.com/CloudNativeAI/modctl/pkg/version.GitVersion={{ .Tag }}
+      - -X github.com/CloudNativeAI/modctl/pkg/version.GitCommit={{ .ShortCommit }}
+      - -X github.com/CloudNativeAI/modctl/pkg/version.BuildTime={{ .Date }}
 
 archives:
   - name_template: "modctl-{{ .Version }}-{{ .Os }}-{{ .Arch }}"

cmd/root.go

@@ -67,6 +67,7 @@ func init() {
 	}
 
 	// Add sub command.
+	rootCmd.AddCommand(versionCmd)
 	rootCmd.AddCommand(buildCmd)
 	rootCmd.AddCommand(listCmd)
 	rootCmd.AddCommand(loginCmd)

cmd/version.go

@@ -0,0 +1,56 @@
+/*
+ *     Copyright 2025 The CNAI Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/CloudNativeAI/modctl/pkg/version"
+
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+// versionCmd represents the modctl command for version.
+var versionCmd = &cobra.Command{
+	Use:                "version",
+	Short:              "A command line tool for modctl version",
+	DisableAutoGenTag:  true,
+	SilenceUsage:       true,
+	FParseErrWhitelist: cobra.FParseErrWhitelist{UnknownFlags: true},
+	RunE: func(cmd *cobra.Command, args []string) error {
+		return runVersion()
+	},
+}
+
+// init initializes version command.
+func init() {
+	flags := rmCmd.Flags()
+
+	if err := viper.BindPFlags(flags); err != nil {
+		panic(fmt.Errorf("bind version flags to viper: %w", err))
+	}
+}
+
+// runVersion runs the version modctl.
+func runVersion() error {
+	fmt.Printf("%-12s%s\n", "Version:", version.GitVersion)
+	fmt.Printf("%-12s%s\n", "Commit:", version.GitCommit)
+	fmt.Printf("%-12s%s\n", "Platform:", version.Platform)
+	fmt.Printf("%-12s%s\n", "BuildTime:", version.BuildTime)
+	return nil
+}

pkg/version/platform_darwin.go

@@ -0,0 +1,19 @@
+/*
+ *     Copyright 2025 The CNAI Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package version
+
+const platform = "darwin"

pkg/version/platform_linux.go

@@ -0,0 +1,19 @@
+/*
+ *     Copyright 2025 The CNAI Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package version
+
+const platform = "linux"

pkg/version/version.go

@@ -0,0 +1,24 @@
+/*
+ *     Copyright 2025 The CNAI Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package version
+
+var (
+	GitVersion = "v0.0.1"
+	GitCommit  = "unknown"
+	Platform   = platform
+	BuildTime  = "unknown"
+)