add initial skeleton with cli options

Makefile

@@ -1,4 +1,4 @@
-APP_NAME=jira-changelog
+APP_NAME=jira_changelog
 
 all: clean fmt tidy build install
 

cmd/generate.go

@@ -1,22 +1,34 @@
-/*
-Copyright © 2023 NAME HERE <EMAIL ADDRESS>
-*/
 package cmd
 
 import (
-	"fmt"
-
+	jira "github.com/handofgod94/jira_changelog/pkg/jira_changelog"
 	"github.com/spf13/cobra"
+	"golang.org/x/exp/slog"
+)
+
+var (
+	fromRef string
+	toRef   string
 )
 
 var generateCmd = &cobra.Command{
 	Use:   "generate",
 	Short: "Generates changelog",
 	Run: func(cmd *cobra.Command, args []string) {
-		fmt.Println("generate called")
+		changelog := jira.Changelog{
+			JiraConfig: jira.JiraConfig{ProjectUrl: projectUrl, ProjectName: projectName, ApiToken: apiToken},
+			GitConfig:  jira.GitConfig{FromRef: fromRef, ToRef: toRef},
+		}
+		slog.Info("Generating changelog", "Jira Config", changelog.JiraConfig, "Git Config", changelog.GitConfig)
+		changelog.Generate()
 	},
 }
 
 func init() {
+	generateCmd.Flags().StringVar(&fromRef, "from", "", "Git ref to start from")
+	generateCmd.Flags().StringVar(&toRef, "to", "main", "Git ref to end at")
+
+	generateCmd.MarkFlagRequired("from")
+
 	rootCmd.AddCommand(generateCmd)
 }

cmd/root.go

@@ -1,21 +1,33 @@
-/*
-Copyright © 2023 NAME HERE <EMAIL ADDRESS>
-*/
 package cmd
 
 import (
+	"fmt"
+	"net/url"
 	"os"
 
 	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+var (
+	cfgFile     string
+	projectUrl  string
+	projectName string
+	apiToken    string
 )
 
 var rootCmd = &cobra.Command{
 	Use:   "jira-changelog",
 	Short: "Changelog generator using jira issues",
 	Long: `Most of our changelog tools solely focus on commits. While the orgs usually use jira to track issues.
-When generating changelog why not combine both commits and jira issues to generate a changelog.
-	`,
-	Run: func(cmd *cobra.Command, args []string) {},
+When generating changelog why not combine both commits and jira issues to generate a changelog.`,
+	PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
+		_, err := url.Parse(projectUrl)
+		if err != nil {
+			return err
+		}
+		return nil
+	},
 }
 
 func Execute() {
@@ -26,7 +38,33 @@ func Execute() {
 }
 
 func init() {
-	// rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.jira-changelog.yaml)")
-	rootCmd.PersistentFlags().StringP("project-url", "p", "", "jira project url")
-	rootCmd.PersistentFlags().StringP("api-token", "t", "", "API token for jira")
+	cobra.OnInitialize(initConfig)
+
+	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is ./.jira_changelog.yaml)")
+	rootCmd.PersistentFlags().StringVarP(&projectUrl, "project_url", "u", "", "jira project url")
+	rootCmd.PersistentFlags().StringVarP(&apiToken, "api_token", "t", "", "API token for jira")
+	rootCmd.PersistentFlags().StringVarP(&projectName, "project_name", "p", "", "Project name in jira. usually the acronym")
+
+	rootCmd.MarkPersistentFlagRequired("project_url")
+	rootCmd.MarkPersistentFlagRequired("api_token")
+	rootCmd.MarkPersistentFlagRequired("project_name")
+}
+
+func initConfig() {
+	if cfgFile != "" {
+		viper.SetConfigFile(cfgFile)
+	} else {
+		cwd, err := os.Getwd()
+		cobra.CheckErr(err)
+
+		viper.AddConfigPath(cwd)
+		viper.SetConfigType("yaml")
+		viper.SetConfigName(".jira_changelog")
+	}
+
+	viper.AutomaticEnv()
+
+	if err := viper.ReadInConfig(); err == nil {
+		fmt.Println("Using config file:", viper.ConfigFileUsed())
+	}
 }

go.mod

@@ -1,10 +1,27 @@
-module github.com/handofgod94/jira-changelog
+module github.com/handofgod94/jira_changelog
 
 go 1.20
 
-require github.com/spf13/cobra v1.7.0
+require (
+	github.com/spf13/cobra v1.7.0
+	github.com/spf13/viper v1.16.0
+	golang.org/x/exp v0.0.0-20230522175609-2e198f4a06a1
+)
 
 require (
+	github.com/fsnotify/fsnotify v1.6.0 // indirect
+	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
+	github.com/magiconair/properties v1.8.7 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // indirect
+	github.com/pelletier/go-toml/v2 v2.0.8 // indirect
+	github.com/spf13/afero v1.9.5 // indirect
+	github.com/spf13/cast v1.5.1 // indirect
+	github.com/spf13/jwalterweatherman v1.1.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/subosito/gotenv v1.4.2 // indirect
+	golang.org/x/sys v0.8.0 // indirect
+	golang.org/x/text v0.9.0 // indirect
+	gopkg.in/ini.v1 v1.67.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

main.go

@@ -3,7 +3,7 @@ Copyright © 2023 NAME HERE <EMAIL ADDRESS>
 */
 package main
 
-import "github.com/handofgod94/jira-changelog/cmd"
+import "github.com/handofgod94/jira_changelog/cmd"
 
 func main() {
 	cmd.Execute()

pkg/jira_changelog/config.go

@@ -0,0 +1,12 @@
+package jira_changelog
+
+type JiraConfig struct {
+	ProjectUrl  string
+	ProjectName string
+	ApiToken    string
+}
+
+type GitConfig struct {
+	FromRef string
+	ToRef   string
+}

pkg/jira_changelog/generator.go

@@ -0,0 +1,10 @@
+package jira_changelog
+
+type Changelog struct {
+	JiraConfig JiraConfig
+	GitConfig  GitConfig
+}
+
+func (c Changelog) Generate() {
+
+}