#324 implement dotenv

internal/taskfile/read/taskfile.go

@@ -3,6 +3,7 @@ package read
 import (
 	"errors"
 	"fmt"
+	"github.com/joho/godotenv"
 	"os"
 	"path/filepath"
 	"runtime"
@@ -16,6 +17,7 @@ import (
 var (
 	// ErrIncludedTaskfilesCantHaveIncludes is returned when a included Taskfile contains includes
 	ErrIncludedTaskfilesCantHaveIncludes = errors.New("task: Included Taskfiles can't have includes. Please, move the include to the main Taskfile")
+	ErrIncludedTaskfilesCantHaveDotenvs = errors.New("task: Included Taskfiles can't have dotenv declarations. Please, move the dotenv declaration to the main Taskfile")
 )
 
 // Taskfile reads a Taskfile for a given directory
@@ -34,6 +36,22 @@ func Taskfile(dir string, entrypoint string) (*taskfile.Taskfile, error) {
 		return nil, err
 	}
 
+	if v >= 3.0 {
+		if len(t.Dotenv) > 0 {
+			for _, envFile := range t.Dotenv {
+				var envFilePath string
+				if filepath.IsAbs(envFile) {
+					envFilePath = envFile
+				} else {
+					envFilePath = filepath.Join(dir, envFile)
+				}
+				if  err = godotenv.Load(envFilePath); err != nil {
+					return nil, err
+				}
+			}
+		}
+	}
+
 	for namespace, includedTask := range t.Includes {
 		if v >= 3.0 {
 			tr := templater.Templater{Vars: &taskfile.Vars{}, RemoveNoValue: true}
@@ -68,6 +86,12 @@ func Taskfile(dir string, entrypoint string) (*taskfile.Taskfile, error) {
 			return nil, ErrIncludedTaskfilesCantHaveIncludes
 		}
 
+		if v >= 3.0 {
+			if len(includedTaskfile.Dotenv) > 0 {
+				return nil, ErrIncludedTaskfilesCantHaveDotenvs
+			}
+		}
+
 		if includedTask.AdvancedImport {
 			for _, task := range includedTaskfile.Tasks {
 				if !filepath.IsAbs(task.Dir) {

internal/taskfile/taskfile.go

@@ -16,6 +16,7 @@ type Taskfile struct {
 	Env        *Vars
 	Tasks      Tasks
 	Silent     bool
+	Dotenv     []string
 }
 
 // UnmarshalYAML implements yaml.Unmarshaler interface
@@ -30,6 +31,7 @@ func (tf *Taskfile) UnmarshalYAML(unmarshal func(interface{}) error) error {
 		Env        *Vars
 		Tasks      Tasks
 		Silent     bool
+		Dotenv 	   []string
 	}
 	if err := unmarshal(&taskfile); err != nil {
 		return err
@@ -43,6 +45,7 @@ func (tf *Taskfile) UnmarshalYAML(unmarshal func(interface{}) error) error {
 	tf.Env = taskfile.Env
 	tf.Tasks = taskfile.Tasks
 	tf.Silent = taskfile.Silent
+	tf.Dotenv = taskfile.Dotenv
 	if tf.Expansions <= 0 {
 		tf.Expansions = 2
 	}