add new notes output to get command

cmd/get.go

@@ -14,6 +14,7 @@ import (
 )
 
 var printLatest bool
+var printNotes bool
 var printVersion string
 
 // getCmd retrieves a local changelog and prints it to stdout
@@ -35,6 +36,7 @@ This command is useful for creating and updating Release notes in GitHub.
 `,
 	RunE: func(command *cobra.Command, args []string) error {
 		fileName := configuration.Config.FileName
+		tmplSrc := writer.TmplSrcChangelog
 
 		var changelog changelog.Changelog
 		var err error
@@ -43,16 +45,22 @@ This command is useful for creating and updating Release notes in GitHub.
 			changelog, err = get.GetLatest(fileName)
 		} else if printVersion != "" {
 			changelog, err = get.GetVersion(fileName, printVersion)
+		} else if printNotes {
+			err = fmt.Errorf("notes only supported with latest or version")
 		} else {
 			changelog, err = get.GetAll(fileName)
 		}
 
+		if printNotes {
+			tmplSrc = writer.TmplSrcNotes
+		}
+
 		if err != nil {
 			return err
 		}
 
 		var buf bytes.Buffer
-		if err := writer.Write(&buf, changelog); err != nil {
+		if err := writer.Write(&buf, tmplSrc, changelog); err != nil {
 			return err
 		}
 
@@ -77,5 +85,12 @@ func init() {
 		"Prints a specific version from the changelog to stdout.",
 	)
 
+	getCmd.Flags().BoolVar(
+		&printNotes,
+		"notes",
+		false,
+		"Format output as release notes.",
+	)
+
 	getCmd.Flags().SortFlags = false
 }

cmd/new.go

@@ -45,7 +45,7 @@ var newCmd = &cobra.Command{
 			return err
 		}
 
-		if err := writer.Write(f, changelog); err != nil {
+		if err := writer.Write(f, writer.TmplSrcChangelog, changelog); err != nil {
 			return err
 		}
 

internal/writer/writer.go

@@ -11,7 +11,7 @@ import (
 	"github.com/chelnak/gh-changelog/pkg/changelog"
 )
 
-var tmplSrc = `<!-- markdownlint-disable MD024 -->
+const tmplChangelog = `<!-- markdownlint-disable MD024 -->
 # Changelog
 
 All notable changes to this project will be documented in this file.
@@ -79,7 +79,57 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) a
 {{- end}}
 `
 
-func Write(writer io.Writer, changelog changelog.Changelog) error {
+const tmplNotes = `{{range .GetEntries }}
+{{- if .Security }}
+### Security
+{{range .Security}}
+- {{.}}
+{{- end}}
+{{end}}
+{{- if .Changed }}
+### Changed
+{{range .Changed}}
+- {{.}}
+{{- end}}
+{{end}}
+{{- if .Removed }}
+### Removed
+{{range .Removed}}
+- {{.}}
+{{- end}}
+{{end}}
+{{- if .Deprecated }}
+### Deprecated
+{{range .Deprecated}}
+- {{.}}
+{{- end}}
+{{end}}
+{{- if .Added }}
+### Added
+{{range .Added}}
+- {{.}}
+{{- end}}
+{{end}}
+{{- if .Fixed }}
+### Fixed
+{{range .Fixed}}
+- {{.}}
+{{- end}}
+{{end}}
+{{- if .Other }}
+### Other
+{{range .Other}}
+- {{.}}
+{{- end}}
+{{end}}
+{{- end}}`
+
+const (
+	TmplSrcChangelog = tmplChangelog
+	TmplSrcNotes     = tmplNotes
+)
+
+func Write(writer io.Writer, tmplSrc string, changelog changelog.Changelog) error {
 	tmpl, err := template.New("changelog").Funcs(template.FuncMap{
 		"getFirstCommit": func() string {
 			git := gitclient.NewGitClient(exec.Command)

internal/writer/writer_test.go

@@ -40,7 +40,7 @@ func Test_ItWritesOutAChangelogInTheCorrectFormat(t *testing.T) {
 	mockChangelog.AddUnreleased([]string{"Unreleased 1", "Unreleased 2"})
 
 	var buf bytes.Buffer
-	err := writer.Write(&buf, mockChangelog)
+	err := writer.Write(&buf, writer.TmplSrcChangelog, mockChangelog)
 
 	assert.NoError(t, err)
 
@@ -58,4 +58,12 @@ func Test_ItWritesOutAChangelogInTheCorrectFormat(t *testing.T) {
 	assert.Regexp(t, "### Other", buf.String())
 	assert.Regexp(t, "- Other 1", buf.String())
 	assert.Regexp(t, "- Other 2", buf.String())
+
+	buf.Reset()
+	err = writer.Write(&buf, writer.TmplSrcNotes, mockChangelog)
+
+	assert.NoError(t, err)
+
+	assert.NotRegexp(t, regexp.MustCompile(`## \[v1.0.0\]\(https:\/\/github.com\/repo-owner\/repo-name\/tree\/v1.0.0\)`), buf.String())
+	assert.NotRegexp(t, regexp.MustCompile(`\[Full Changelog\]\(https:\/\/github.com\/repo-owner\/repo-name\/compare\/v0.9.0\.\.\.v1.0.0\)`), buf.String())
 }