Add --tasks which lists all tasks

Author: flythenimbus

cmd/cli/main.go

@@ -10,7 +10,6 @@ import (
 
 func main() {
 	opts := app.NewCliOptions()
-	handleGlobalOptions(&opts)
 
 	cfg, err := app.ReadYamlConfig()
 	if err != nil {
@@ -26,6 +25,9 @@ func main() {
 	p := app.NewParser(cfg, &opts, &fs)
 	p.Bootstrap()
 
+	// Global options
+	handleGlobalOptions(&opts, &p)
+
 	l := app.NewLockfile(p.GetFilePaths(), &opts, &fs)
 	l.Bootstrap()
 

cmd/cli/util.go

@@ -8,10 +8,16 @@ import (
 )
 
 // handleGlobalOptions executes the global options logic.
-func handleGlobalOptions(opts *app.Options) {
-	err := opts.InitHandler()
-	if err != nil {
-		fmt.Println(err)
-		os.Exit(1)
+func handleGlobalOptions(opts *app.Options, p *app.Parseable) {
+	if code, err := opts.InitHandler(); code != -1 {
+		if err != nil {
+			fmt.Println(err)
+		}
+
+		os.Exit(code)
+	}
+
+	if code := opts.TasksHandler(p); code != -1 {
+		os.Exit(code)
 	}
 }

internal/executor.go

@@ -31,7 +31,7 @@ var spinnerCfg = yacspin.Config{
 }
 
 type Executor struct {
-	parser   Parser
+	parser   Parseable
 	lockfile Lockfile
 	spinner  *yacspin.Spinner
 	options  Options
@@ -41,7 +41,7 @@ type Executor struct {
 }
 
 // Executor constructor.
-func NewExecutor(p *Parser, l *Lockfile, opts *Options, proc Process, fs FileSystem, ctx *context.Context) Executor {
+func NewExecutor(p *Parseable, l *Lockfile, opts *Options, proc Process, fs FileSystem, ctx *context.Context) Executor {
 	spinner, _ := yacspin.New(spinnerCfg)
 
 	return Executor{

internal/executor_test.go

@@ -9,7 +9,7 @@ import (
 	"github.com/stretchr/testify/mock"
 )
 
-func getDependencies(t *testing.T, opts *Options) (*Parser, *Lockfile, *tests.Process, FileSystem) {
+func getDependencies(t *testing.T, opts *Options) (*Parseable, *Lockfile, *tests.Process, FileSystem) {
 	fsMock := mockCacheDoesNotExist(t)
 	fsMock.On("FileExists", mock.Anything).Return(false)
 	fsMock.On("WriteFile", mock.Anything, mock.Anything, mock.Anything).Return(nil)

internal/options.go

@@ -1,6 +1,8 @@
 package internal
 
 import (
+	"fmt"
+
 	"github.com/docopt/docopt-go"
 )
 
@@ -13,11 +15,13 @@ Usage:
   goke -i | --init
   goke -h | --help
   goke -v | --version
+	goke -t | --tasks
 
 Options:
   -h --help      Show this screen
   -v --version   Show version
   -i --init      Creates a goke.yaml file in the current directory
+  -t --tasks     Outputs a list of all task names
   -w --watch     Run task in watch mode
   -c --no-cache  Clears the program's cache
   -f --force     Runs the task even if files have not been changed
@@ -32,6 +36,7 @@ type Options struct {
 	Quiet    bool     `docopt:"-q,--quiet"`
 	Args     []string `docopt:"-a,--args"`
 	Init     bool     `docopt:"-i,--init"`
+	Tasks    bool     `docopt:"-t,--tasks"`
 }
 
 func NewCliOptions() Options {
@@ -43,15 +48,28 @@ func NewCliOptions() Options {
 	return opts
 }
 
-func (opts *Options) InitHandler() error {
+func (opts *Options) InitHandler() (int, error) {
 	if !opts.Init {
-		return nil
+		return -1, nil
 	}
 
 	err := CreateGokeConfig()
 	if err != nil && !opts.Quiet {
-		return err
+		return 1, err
+	}
+
+	return 0, nil
+}
+
+func (opts *Options) TasksHandler(p *Parseable) int {
+	if !opts.Tasks {
+		return -1
+	}
+
+	parser := (*p).(*parser)
+	for taskName := range parser.Tasks {
+		fmt.Println(taskName)
 	}
 
-	return nil
+	return 0
 }

internal/parser.go

@@ -11,7 +11,7 @@ import (
 	"gopkg.in/yaml.v3"
 )
 
-type Parser interface {
+type Parseable interface {
 	Bootstrap()
 	GetGlobal() *Global
 	GetTask(string) (Task, bool)
@@ -58,7 +58,7 @@ var parserString string
 
 // NewParser creates a parser instance which can be either a blank one,
 // or one provided  from the cache, which gets deserialized.
-func NewParser(cfg string, opts *Options, fs FileSystem) Parser {
+func NewParser(cfg string, opts *Options, fs FileSystem) Parseable {
 	p := parser{}
 	p.fs = fs
 	p.config = cfg