Add status --log option (#5)

cmd/status.go

@@ -14,7 +14,8 @@ var statusCmd = &cobra.Command{
 	Use:   "status",
 	Short: "Get current stack.",
 	Run: func(cmd *cobra.Command, args []string) {
-		fmt.Println(stack.Manager().CurrentStackStatus())
+		showLogValue, _ := cmd.Flags().GetBool("log")
+		fmt.Println(stack.Manager().CurrentStackStatus(showLogValue))
 	},
 }
 
@@ -30,4 +31,5 @@ func init() {
 	// Cobra supports local flags which will only run when this command
 	// is called directly, e.g.:
 	// statusCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+	statusCmd.Flags().BoolP("log", "l", false, "Show last commit log for each branch in the stack.")
 }

internal/git/git.go

@@ -33,6 +33,7 @@ type InterfaceCommands interface {
 	Checkout(branchName string)
 	SyncBranches(branches []string, checkoutBranchEnd string, push bool)
 	BranchDiff(baseBranch string, branch string) bool
+	LastLog(branch string) string
 }
 
 type Commands struct {
@@ -128,6 +129,15 @@ func (c Commands) BranchDiff(baseBranch string, branch string) bool {
 	return len(output) > 0
 }
 
+func (c Commands) LastLog(branch string) string {
+	output, err := c.exec([]string{"log", "--pretty=format:%s - %Cred%h%Creset - %C(bold blue)%an%Creset - %Cgreen%cr%Creset", "-n", "1", branch})
+	if err != nil {
+		fmt.Println(err)
+		return ""
+	}
+	return output
+}
+
 func (c Commands) pushBranch(branchName string) {
 	fmt.Println("Pushing", color.Yellow(branchName), "...")
 	_, err := c.exec([]string{"push"})

internal/stack/stack_manager.go

@@ -47,22 +47,24 @@ func (sm StacksManager) CreateStack(stackName string) string {
 	return "CreateStack stack created " + color.Green(stackName)
 }
 
-func (sm StacksManager) CurrentStackStatus() string {
+func (sm StacksManager) CurrentStackStatus(showLog bool) string {
 	data := sm.load()
 
 	var displayBranches string
 	branches, _ := data.GetBranchesByName(data.CurrentStack)
 	var previousBranch string
 	for i, branch := range branches {
-		// Maybe someday it will be nice to add
-		// git log --pretty=format:'%s - %Cred%h%Creset %C(bold blue)%an%Creset %Cgreen%cr%Creset' -n 1 master
 		displayBranches += fmt.Sprintf("%d. "+color.Yellow(branch), i+1)
 		if i > 0 && previousBranch != branch {
 			hasDiff := sm.gitCommands.BranchDiff(previousBranch, branch)
 			if hasDiff {
 				displayBranches += " " + color.Red("*")
 			}
 		}
+		if showLog {
+			displayBranches += "\n\t" + sm.gitCommands.LastLog(branch)
+		}
+
 		displayBranches += "\n"
 	}
 	return "Current stack: " + color.Green(data.CurrentStack) + "\nBranches:\n" + displayBranches
@@ -164,7 +166,7 @@ func (sm StacksManager) Delete(stackName string) {
 
 	sm.stacksPersister.SaveStacks(data)
 	fmt.Println("Stack", stackName, "deleted from stack")
-	fmt.Println(sm.CurrentStackStatus())
+	fmt.Println(sm.CurrentStackStatus(false))
 }
 
 func (sm StacksManager) Sync(push bool) {

internal/stack/stack_manager_test.go

@@ -62,7 +62,7 @@ func TestCurrentStackStatus(t *testing.T) {
 		gitCommands:     gitCommandsStub{},
 	}
 
-	result := stacksManager.CurrentStackStatus()
+	result := stacksManager.CurrentStackStatus(false)
 
 	want := "Current stack: " +
 		color.Green("stack1") +