feat(cmd): format option with new YAML & TOML outputs

changelog/changelog.go

@@ -11,18 +11,18 @@ import (
 )
 
 type ChangelogEntry struct {
-	Version    string              `json:"version"`
-	Date       time.Time           `json:"date"`
-	CompareURL string              `json:"compareUrl"`
-	Changes    map[string][]Change `json:"changes"`
+    Version    string              `json:"version" yaml:"version" toml:"version"`
+    Date       time.Time           `json:"date" yaml:"date" toml:"date"`
+    CompareURL string              `json:"compareUrl" yaml:"compareUrl" toml:"compareUrl"`
+    Changes    map[string][]Change `json:"changes" yaml:"changes" toml:"changes"`
 }
 
 type Change struct {
-	Scope       string `json:"scope,omitempty"`
-	Description string `json:"description"`
-	PR          string `json:"pr,omitempty"`
-	Commit      string `json:"commit,omitempty"`
-	CommitBody  string `json:"commitBody,omitempty"`
+    Scope       string `json:"scope,omitempty" yaml:"scope,omitempty" toml:"scope,omitempty"`
+    Description string `json:"description" yaml:"description" toml:"description"`
+    PR          string `json:"pr,omitempty" yaml:"pr,omitempty" toml:"pr,omitempty"`
+    Commit      string `json:"commit,omitempty" yaml:"commit,omitempty" toml:"commit,omitempty"`
+    CommitBody  string `json:"commitBody,omitempty" yaml:"commitBody,omitempty" toml:"commitBody,omitempty"`
 }
 
 type Parser struct {

cmd/cmd.go

@@ -4,8 +4,11 @@ import (
 	"encoding/json"
 	"fmt"
 	"os"
+	"strings"
 
+	"github.com/pelletier/go-toml/v2"
 	"github.com/spf13/cobra"
+	"gopkg.in/yaml.v3"
 
 	"cl-parse/changelog"
 	"cl-parse/git"
@@ -26,6 +29,7 @@ var cmd = &cobra.Command{
 		latest, _ := cmd.Flags().GetBool("latest")
 		release, _ := cmd.Flags().GetString("release")
 		includeBody, _ := cmd.Flags().GetBool("include-body")
+		format, _ := cmd.Flags().GetString("format")
 
 		if ver {
 			fmt.Printf("cl-parse v%s\n", VERSION)
@@ -58,25 +62,25 @@ var cmd = &cobra.Command{
 				fmt.Println("No changelog entries found")
 				os.Exit(1)
 			}
-			jsonData, err := json.MarshalIndent(entries[0], "", "  ")
+			outputData, err := marshalWithFormat(entries[0], format)
 			if err != nil {
 				fmt.Println(err)
 				os.Exit(1)
 			}
-			fmt.Println(string(jsonData))
+			fmt.Println(string(outputData))
 			return
 		}
 
 		if release != "" {
 			found := false
 			for _, entry := range entries {
 				if entry.Version == release {
-					jsonData, err := json.MarshalIndent(entry, "", "  ")
+					outputData, err := marshalWithFormat(entry, format)
 					if err != nil {
 						fmt.Println(err)
 						os.Exit(1)
 					}
-					fmt.Println(string(jsonData))
+					fmt.Println(string(outputData))
 					found = true
 					break
 				}
@@ -89,12 +93,12 @@ var cmd = &cobra.Command{
 		}
 
 		// default to printing all entries
-		jsonData, err := json.MarshalIndent(entries, "", "  ")
+		outputData, err := marshalWithFormat(entries, format)
 		if err != nil {
 			fmt.Println(err)
 			os.Exit(1)
 		}
-		fmt.Println(string(jsonData))
+		fmt.Println(string(outputData))
 	},
 }
 
@@ -110,4 +114,18 @@ func init() {
 	cmd.Flags().BoolP("latest", "l", false, "display the most recent version from the changelog")
 	cmd.Flags().StringP("release", "r", "", "display the changelog entry for a specific release")
 	cmd.Flags().Bool("include-body", false, "include the full commit body in changelog entry")
+	cmd.Flags().StringP("format", "f", "json", "output format (json, yaml, or toml)")
+}
+
+func marshalWithFormat(v interface{}, format string) ([]byte, error) {
+	switch strings.ToLower(format) {
+	case "json":
+		return json.MarshalIndent(v, "", "  ")
+	case "yaml":
+		return yaml.Marshal(v)
+	case "toml":
+		return toml.Marshal(v)
+	default:
+		return nil, fmt.Errorf("unsupported format: %s", format)
+	}
 }

go.mod

@@ -17,6 +17,7 @@ require (
 	github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 // indirect
 	github.com/kevinburke/ssh_config v1.2.0 // indirect
 	github.com/mmcloughlin/avo v0.6.0 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.3 // indirect
 	github.com/pjbgf/sha1cd v0.3.1 // indirect
 	github.com/sergi/go-diff v1.3.2-0.20230802210424-5b0b94c5c0d3 // indirect
 	github.com/skeema/knownhosts v1.3.0 // indirect
@@ -30,4 +31,5 @@ require (
 	golang.org/x/sys v0.29.0 // indirect
 	golang.org/x/tools v0.29.0 // indirect
 	gopkg.in/warnings.v0 v0.1.2 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -33,6 +33,8 @@ github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/mmcloughlin/avo v0.6.0 h1:QH6FU8SKoTLaVs80GA8TJuLNkUYl4VokHKlPhVDg4YY=
 github.com/mmcloughlin/avo v0.6.0/go.mod h1:8CoAGaCSYXtCPR+8y18Y9aB/kxb8JSS6FRI7mSkvD+8=
+github.com/pelletier/go-toml/v2 v2.2.3 h1:YmeHyLY8mFWbdkNWwpr+qIL2bEqT0o95WSdkNHvL12M=
+github.com/pelletier/go-toml/v2 v2.2.3/go.mod h1:MfCQTFTvCcUyyvvwm1+G6H/jORL20Xlb6rzQu9GuUkc=
 github.com/pjbgf/sha1cd v0.3.1 h1:Dh2GYdpJnO84lIw0LJwTFXjcNbasP/bklicSznyAaPI=
 github.com/pjbgf/sha1cd v0.3.1/go.mod h1:Y8t7jSB/dEI/lQE04A1HVKteqjj9bX5O4+Cex0TCu8s=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
@@ -81,4 +83,5 @@ gopkg.in/warnings.v0 v0.1.2 h1:wFXVbFY8DY5/xOe1ECiWdKCzZlxgshcYVNkBHstARME=
 gopkg.in/warnings.v0 v0.1.2/go.mod h1:jksf8JmL6Qr/oQM2OXTHunEvvTAsrWBLb6OOjuVWRNI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=