use templating system instead of os.ExpandEnv

task_test.go

@@ -1200,8 +1200,10 @@ func TestIncludesInterpolation(t *testing.T) {
  expectedOutput string
  }{
  {"include", "include", false, "include\n"},
+ {"include_with_env_variable", "include-with-env-variable", false, "include_with_env_variable\n"},
  {"include_with_dir", "include-with-dir", false, "included\n"},
  }
+ t.Setenv("MODULE", "included")
 
  for _, test := range tests {
  t.Run(test.name, func(t *testing.T) {

taskfile/node_http.go

@@ -5,7 +5,6 @@ import (
  "io"
  "net/http"
  "net/url"
- "os"
  "path/filepath"
  "time"
 
@@ -30,8 +29,7 @@ func NewHTTPNode(
  opts ...NodeOption,
 ) (*HTTPNode, error) {
  base := NewBaseNode(dir, opts...)
- entrypointWithEnv := os.ExpandEnv(entrypoint)
- url, err := url.Parse(entrypointWithEnv)
+ url, err := url.Parse(entrypoint)
  if err != nil {
  return nil, err
  }

taskfile/reader.go

@@ -3,6 +3,7 @@ package taskfile
 import (
  "context"
  "fmt"
+ "github.com/go-task/task/v3/internal/compiler"
  "os"
  "time"
 
@@ -97,9 +98,11 @@ func (r *Reader) include(node Node) error {
 
  // Loop over each included taskfile
  _ = vertex.Taskfile.Includes.Range(func(namespace string, include *ast.Include) error {
+ vars := compiler.GetEnviron()
+ vars.Merge(vertex.Taskfile.Vars, nil)
  // Start a goroutine to process each included Taskfile
  g.Go(func() error {
- cache := &templater.Cache{Vars: vertex.Taskfile.Vars}
+ cache := &templater.Cache{Vars: vars}
  include = &ast.Include{
  Namespace: include.Namespace,
  Taskfile: templater.Replace(include.Taskfile, cache),

testdata/includes_interpolation/include_with_env_variable/Taskfile.yml

@@ -0,0 +1,4 @@
+version: "3"
+
+includes:
+ include-with-env-variable: '../{{.MODULE}}/Taskfile.yml'

website/docs/experiments/remote_taskfiles.mdx

@@ -48,13 +48,13 @@ tasks:
 and you run `task my-remote-namespace:hello`, it will print the text: "Hello
 from the remote Taskfile!" to your console.
 
-You can also reference environment variable in your URL to have authentication, for example :
+URL is processed by the templating system, so you can reference environment variable in your URL to have authentication, for example :
 
 ```yaml
 version: '3'
 
 includes:
- my-remote-namespace: https://${TOKEN}@raw.githubusercontent.com/my-org/my-repo/main/Taskfile.yml
+ my-remote-namespace: https://{{.TOKEN}}@raw.githubusercontent.com/my-org/my-repo/main/Taskfile.yml
 ```
 
 `TOKEN=my-token task my-remote-namespace:hello` will be resolved by Task to `https://my-token@raw.githubusercontent.com/my-org/my-repo/main/Taskfile.yml`