Add possiblity to limit actions to tagged or named repository

app/app.go

@@ -1,6 +1,7 @@
 package app
 
 import (
+	"errors"
 	"os"
 
 	"gitlab.com/revalus/grm/commands"
@@ -10,7 +11,9 @@ import (
 const (
 	APP_NAME        = "Git repository manager"
 	APP_DESCRIPTION = "Manage your repository with simple app"
-	VERSION         = "0.2.0"
+	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 {
@@ -47,17 +50,35 @@ func (g *GitRepositoryManager) Parse(args []string) {
 	g.configuration = configuration
 }
 
-func (g *GitRepositoryManager) Run() {
-	if g.cliArguments.Sync {
+func (g *GitRepositoryManager) Run() int {
+
+	exitCode := 0
+
+	if len(g.cliArguments.LimitTags) != 0 {
+		err := g.limitTags()
+		if err != nil {
+			g.console.ErrorfMsg(err.Error())
+			exitCode = 1
+		}
+	}
+
+	if g.cliArguments.LimitName != "" {
+		err := g.limitName()
+		if err != nil {
+			g.console.ErrorfMsg(err.Error())
+			exitCode = 1
+		}
+	}
+
+	if g.cliArguments.Sync && exitCode == 0 {
 		g.console.InfoFMsg("Synchronizing repositories")
-		println()
 		sync := commands.NewSynchronizer(g.configuration.Workspace)
 		g.runCommand(sync)
-		println()
 		g.console.InfoFMsg("All repositories are synced")
 	}
 
-	if g.cliArguments.Status {
+	if g.cliArguments.Status && exitCode == 0 {
+		g.console.InfoFMsg("Current status of repositories")
 		status := commands.NewStatusChecker(g.configuration.Workspace)
 		g.runCommand(status)
 	}
@@ -65,6 +86,7 @@ func (g *GitRepositoryManager) Run() {
 	if g.cliArguments.Version {
 		g.console.InfoFMsg("Current version: %v", VERSION)
 	}
+	return exitCode
 }
 
 func (g GitRepositoryManager) describeStatus(status commands.CommandStatus) {
@@ -80,6 +102,31 @@ func (g GitRepositoryManager) describeStatus(status commands.CommandStatus) {
 	}
 }
 
+func (g *GitRepositoryManager) limitTags() error {
+	limitedTagsTmp := []config.RepositoryConfig{}
+
+	for _, item := range g.configuration.Repositories {
+		if checkAnyOfItemInSlice(item.Tags, g.cliArguments.LimitTags) {
+			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.LimitName == item.Name {
+			g.configuration.Repositories = []config.RepositoryConfig{item}
+			return nil
+		}
+	}
+	return errors.New(errNotFoundName)
+}
+
 func (g *GitRepositoryManager) runCommand(cmd commands.Command) {
 	statusChan := make(chan commands.CommandStatus)