Add support for --config option

main.go

@@ -2,18 +2,47 @@ package main
 
 import (
 	"flag"
+	"github.com/go-ini/ini"
+	"log"
 
 	"github.com/philproctor/confluence-cli/client"
 	"github.com/philproctor/confluence-cli/command"
 )
 
+func parseIniConfig(iniFilePath string, config *client.ConfluenceConfig) error {
+	var cfg, err = ini.Load(iniFilePath)
+	if err != nil {
+		return err
+	}
+
+	config.Username = cfg.Section("").Key("username").String()
+	config.Password = cfg.Section("").Key("password").String()
+	config.URL = cfg.Section("").Key("url").String()
+
+	var debug, debugErr = cfg.Section("").Key("debug").Bool()
+	if debugErr != nil {
+		return err
+	}
+
+	config.Debug = debug
+	return nil
+}
+
 func main() {
-	var config = client.ConfluenceConfig{}
 	var options = command.OperationOptions{}
+	var config = client.ConfluenceConfig{}
+	var configFilePath string
+
+	var username string
+	var password string
+	var url string
 
-	flag.StringVar(&config.Username, "u", "", "Confluence username")
-	flag.StringVar(&config.Password, "p", "", "Confluence password")
-	flag.StringVar(&config.URL, "s", "", "The base URL of the Confluence page")
+	flag.StringVar(&username, "u", "", "Confluence username")
+	flag.StringVar(&password, "p", "", "Confluence password")
+	flag.StringVar(&url, "s", "", "The base URL of the Confluence page")
+	flag.StringVar(&configFilePath, "config", "", "Path to the configuration " +
+		"file that contains authentication credentials. Command-line parameters: " +
+		"`-u`, `-p` and `-s` will override settings found inside the config file.")
 	flag.StringVar(&options.Title, "t", "", "Title to use for a new page")
 	flag.StringVar(&options.SpaceKey, "k", "", "Space key to use")
 	flag.StringVar(&options.Filepath, "f", "", "Path to the file to upload as the page contents")
@@ -26,5 +55,16 @@ func main() {
 	flag.BoolVar(&options.CleanAdoc, "clean-adoc", false, "If the attached HTML was generated by AsciiDoc, attempt to normalize for Confluence")
 	flag.Parse()
 
+	if configFilePath != "" {
+		var err = parseIniConfig(configFilePath, &config)
+		if err != nil {
+			log.Fatal(err)
+		}
+	}
+
+	if username != "" { config.Username = username }
+	if password != "" { config.Password = password }
+	if url != "" { config.URL = url }
+
 	command.Run(flag.Arg(0), &config, &options)
 }