Restructure project directories

Follow the standard of all go projects

app/app.go

@@ -1,158 +0,0 @@
-package app
-
-import (
-	"errors"
-	"fmt"
-	"io"
-	"sync"
-
-	"gitlab.com/revalus/grm/commands"
-	"gitlab.com/revalus/grm/config"
-	"gitlab.com/revalus/grm/echo"
-)
-
-const (
-	AppName         = "Git repository manager"
-	AppDescription  = "Manage your repository with simple app"
-	VERSION         = "0.3.0"
-	errNotFoundTags = "no repository was found with the specified tags"
-	errNotFoundName = "no repository was found with the specified name"
-)
-
-type GitRepositoryManager struct {
-	cliArguments  config.CliArguments
-	configuration config.Configuration
-}
-
-func (g *GitRepositoryManager) Parse(args []string) error {
-	arguments, err := config.ParseCliArguments(AppName, AppDescription, args)
-	if err != nil {
-		fmt.Printf("Error: %v", err.Error())
-		return err
-	}
-
-	configFileContent, err := getFileContent(arguments.ConfigurationFile)
-	if err != nil {
-		fmt.Printf("Error: %v", err.Error())
-		return err
-	}
-
-	fileExtension, err := getFileExtension(arguments.ConfigurationFile)
-	if err != nil {
-		fmt.Printf("Error: %v", err.Error())
-		return err
-	}
-
-	configuration, err := config.GetRepositoryConfig(configFileContent, fileExtension)
-	if err != nil {
-		fmt.Printf("Error: %v", err.Error())
-		return err
-	}
-
-	g.cliArguments = arguments
-	g.configuration = configuration
-	return nil
-}
-
-func (g *GitRepositoryManager) Run(w io.Writer) int {
-
-	echo.Color(g.cliArguments.Color)
-	echo.Output(w)
-
-	exitCode := 0
-
-	if len(g.cliArguments.LimitToTags) != 0 {
-		err := g.limitTags()
-		if err != nil {
-			echo.ErrorfMsg(err.Error())
-			exitCode = 1
-		}
-	}
-
-	if g.cliArguments.LimitToName != "" {
-		err := g.limitName()
-		if err != nil {
-			echo.ErrorfMsg(err.Error())
-			exitCode = 1
-		}
-	}
-
-	if g.cliArguments.Sync && exitCode == 0 {
-		echo.InfoFMsg("Synchronizing repositories")
-		sync := commands.NewSynchronizer(g.configuration.Workspace)
-		g.runCommand(sync)
-		echo.InfoFMsg("All repositories are synced")
-	}
-
-	if g.cliArguments.Status && exitCode == 0 {
-		echo.InfoFMsg("Current status of repositories")
-		status := commands.NewStatusChecker(g.configuration.Workspace)
-		g.runCommand(status)
-	}
-
-	if g.cliArguments.Version {
-		echo.InfoFMsg("Current version: %v", VERSION)
-	}
-	return exitCode
-}
-
-func describeStatus(status commands.CommandStatus) {
-	if status.Error {
-		echo.RedMessageF("Repository \"%v\": an error occurred: %v", status.Name, status.Message)
-		return
-	}
-
-	if status.Changed {
-		echo.YellowMessageF("Repository \"%v\": %v", status.Name, status.Message)
-	} else {
-		echo.GreenMessageF("Repository \"%v\": %v", status.Name, status.Message)
-	}
-}
-
-func (g *GitRepositoryManager) limitTags() error {
-	limitedTagsTmp := []config.RepositoryConfig{}
-
-	for _, item := range g.configuration.Repositories {
-		if checkAnyOfItemInSlice(item.Tags, g.cliArguments.LimitToTags) {
-			limitedTagsTmp = append(limitedTagsTmp, item)
-		}
-	}
-	if len(limitedTagsTmp) == 0 {
-		return errors.New(errNotFoundTags)
-	}
-	g.configuration.Repositories = reverseRepositoryConfigs(limitedTagsTmp)
-	return nil
-}
-
-func (g *GitRepositoryManager) limitName() error {
-	for _, item := range g.configuration.Repositories {
-		if g.cliArguments.LimitToName == item.Name {
-			g.configuration.Repositories = []config.RepositoryConfig{item}
-			return nil
-		}
-	}
-	return errors.New(errNotFoundName)
-}
-
-func (g *GitRepositoryManager) runCommand(cmd commands.Command) {
-	routines := make(chan struct{}, g.cliArguments.Routines)
-
-	var wg sync.WaitGroup
-	for _, repo := range g.configuration.Repositories {
-
-		if repo.Skip && !g.cliArguments.IgnoreSkipped {
-			continue
-		}
-
-		wg.Add(1)
-
-		go func(r config.RepositoryConfig) {
-			defer wg.Done()
-			routines <- struct{}{}
-			describeStatus(cmd.Command(r))
-
-			<-routines
-		}(repo)
-	}
-	wg.Wait()
-}