Merge pull request #9 from florianl/flo-json

Add JSON output option for `version` and `list`

Author: clelange

cmd/list.go

@@ -1,14 +1,18 @@
 package cmd
 
 import (
+	"encoding/json"
 	"fmt"
+	"os"
 
 	"github.com/spf13/cobra"
 )
 
 func init() {
 	rootCmd.AddCommand(listCmd)
 	listCmd.PersistentFlags().StringVarP(&protocol, "protocol", "p", "http", "Protocol to be used (http or root)")
+	listCmd.Flags().BoolVar(&jsonOut, "json", false, "JSON output.")
+
 }
 
 var (
@@ -28,6 +32,15 @@ var (
 			if err != nil {
 				er(err)
 			}
+			if jsonOut {
+				b, err := json.MarshalIndent(recordJSON, "", "\t")
+				if err != nil {
+					fmt.Fprintf(os.Stderr, "Failed to marshal json: %v", err)
+					return
+				}
+				fmt.Println(string(b))
+				return
+			}
 			filesList, err := getFilesList(recordJSON)
 			if err != nil {
 				er(err)

cmd/version.go

@@ -1,34 +1,55 @@
 package cmd
 
 import (
+	"encoding/json"
 	"fmt"
+	"os"
 
 	"github.com/spf13/cobra"
 )
 
 func init() {
 	versionCmd.Flags().BoolVar(&shortened, "short", false, "Print just the version number.")
+	versionCmd.Flags().BoolVar(&jsonOut, "json", false, "JSON output.")
 	rootCmd.AddCommand(versionCmd)
 }
 
 var (
 	// Versioning
 	shortened = false
+	jsonOut   = false
 	version   = "dev"
 	commit    = "none"
 	date      = "unknown"
-	output    = "json"
 
 	versionCmd = &cobra.Command{
 		Use:   "version",
 		Short: "Print the current version of cernopendata-client-go",
 		Run: func(_ *cobra.Command, _ []string) {
-			if shortened {
+			switch {
+			case jsonOut:
+				type versioning struct {
+					Name    string
+					Version string
+					Commit  string
+					Date    string
+				}
+				b, err := json.MarshalIndent(versioning{
+					Name:    "cernopendata-client-go",
+					Version: version,
+					Commit:  commit,
+					Date:    date,
+				}, "", "\t")
+				if err != nil {
+					fmt.Fprintf(os.Stderr, "Failed to marshal json: %v", err)
+					return
+				}
+				fmt.Println(string(b))
+			case shortened:
 				fmt.Println(version)
-			} else {
+			default:
 				fmt.Println("cernopendata-client-go", version, "commit", commit, "built at", date)
 			}
-			return
 		},
 	}
 )

docs/cernopendata-client-go.md

@@ -23,4 +23,4 @@ files and complete records.
 * [cernopendata-client-go download](cernopendata-client-go_download.md)	 - Download files belonging to a record
 * [cernopendata-client-go list](cernopendata-client-go_list.md)	 - Get a list of data file locations of a record
 
-###### Auto generated by spf13/cobra on 21-Oct-2021
+###### Auto generated by spf13/cobra on 10-Jan-2022

docs/cernopendata-client-go_download.md

@@ -33,4 +33,4 @@ cernopendata-client-go download [flags]
 
 * [cernopendata-client-go](cernopendata-client-go.md)	 - A commandline tool to interact with the CERN Open Data portal
 
-###### Auto generated by spf13/cobra on 21-Oct-2021
+###### Auto generated by spf13/cobra on 10-Jan-2022

docs/cernopendata-client-go_list.md

@@ -15,6 +15,7 @@ cernopendata-client-go list [flags]
 
 ```
   -h, --help              help for list
+      --json              JSON output.
   -p, --protocol string   Protocol to be used (http or root) (default "http")
 ```
 
@@ -31,4 +32,4 @@ cernopendata-client-go list [flags]
 
 * [cernopendata-client-go](cernopendata-client-go.md)	 - A commandline tool to interact with the CERN Open Data portal
 
-###### Auto generated by spf13/cobra on 21-Oct-2021
+###### Auto generated by spf13/cobra on 10-Jan-2022