[WIP] Access Task sources, generates, and task maps

executor.go

@@ -76,6 +76,8 @@ type (
 		executionHashes      map[string]context.Context
 		executionHashesMutex sync.Mutex
 		watchedDirs          *xsync.Map[string, bool]
+		taskMapCache         map[string]map[string]any
+		taskMapCacheMutex    sync.RWMutex
 	}
 	TempDir struct {
 		Remote      string

task_test.go

@@ -2652,6 +2652,29 @@ func TestWildcard(t *testing.T) {
 	}
 }
 
+func TestReferenceSelf(t *testing.T) {
+	t.Parallel()
+
+	const dir = "testdata/reference_self"
+
+	var buff bytes.Buffer
+	e := task.NewExecutor(
+		task.WithDir(dir),
+		task.WithStdout(&buff),
+		task.WithStderr(&buff),
+		task.WithForceAll(true),
+	)
+	require.NoError(t, e.Setup())
+	require.NoError(t, e.Run(t.Context(), &task.Call{Task: "default"}))
+
+	assert.Contains(t, buff.String(), `task: [check-sources-empty] echo []`)
+	assert.Contains(t, buff.String(), `[]`)
+	assert.Contains(t, buff.String(), `task: [check-generates] echo [a b *.txt]`)
+	assert.Contains(t, buff.String(), `[a b *.txt]`)
+	assert.Contains(t, buff.String(), `task: [check-generates-empty] echo []`)
+	assert.Contains(t, buff.String(), `[]`)
+}
+
 // enableExperimentForTest enables the experiment behind pointer e for the duration of test t and sub-tests,
 // with the experiment being restored to its previous state when tests complete.
 //

testdata/reference_other_tasks/taskfile.yaml

@@ -0,0 +1,32 @@
+version: '3'
+
+method: none
+
+tasks:
+
+  _ref:
+    sources: ["a", "b", "*.txt"]
+    generates: ["a", "b", "*.txt"]
+    cmd: ":"
+
+  _ref-empty:
+    cmd: ":"
+
+  check-sources:
+    cmd: echo {{ .TASKS._ref.sources }}
+
+  check-sources-empty:
+    cmd: echo {{ (index .TASKS "_ref-empty").sources }}
+
+  check-generates:
+    cmd: echo {{ .TASKS._ref.generates }}
+
+  check-generates-empty:
+    cmd: echo {{ (index .TASKS "_ref-empty").generates }}
+
+  default:
+    cmds:
+      - task: check-sources
+      - task: check-sources-empty
+      - task: check-generates
+      - task: check-generates-empty

testdata/reference_self/taskfile.yaml

@@ -0,0 +1,26 @@
+version: '3'
+
+method: none
+
+tasks:
+
+  check-sources:
+    sources: ["a", "b", "*.txt"]
+    cmd: echo {{ .TASKS.self.sources }}
+
+  check-sources-empty:
+    cmd: echo {{ .TASKS.self.sources }}
+
+  check-generates:
+    generates: ["a", "b", "*.txt"]
+    cmd: echo {{ .TASKS.self.generates }}
+
+  check-generates-empty:
+    cmd: echo {{ .TASKS.self.generates }}
+
+  default:
+    cmds:
+      - task: check-sources
+      - task: check-sources-empty
+      - task: check-generates
+      - task: check-generates-empty

variables.go

@@ -75,6 +75,51 @@ func (e *Executor) CompiledTaskForTaskList(call *Call) (*ast.Task, error) {
 	}, nil
 }
 
+func taskToMap(t *ast.Task) map[string]any {
+	result := make(map[string]any)
+
+	// Convert sources to a slice of strings
+	if len(t.Sources) > 0 {
+		sources := make([]string, 0, len(t.Sources))
+		for _, glob := range t.Sources {
+			sources = append(sources, glob.Glob)
+		}
+		result["sources"] = sources
+	} else {
+		result["sources"] = []string{}
+	}
+
+	// Convert generates to a slice of strings
+	if len(t.Generates) > 0 {
+		generates := make([]string, 0, len(t.Generates))
+		for _, glob := range t.Generates {
+			generates = append(generates, glob.Glob)
+		}
+		result["generates"] = generates
+	} else {
+		result["generates"] = []string{}
+	}
+
+	// Add other commonly used properties
+	result["task"] = t.Task
+	result["dir"] = t.Dir
+	result["label"] = t.Label
+	result["desc"] = t.Desc
+	result["method"] = t.Method
+	result["prefix"] = t.Prefix
+	result["run"] = t.Run
+	result["silent"] = t.Silent
+	result["interactive"] = t.Interactive
+	result["internal"] = t.Internal
+	result["ignore_error"] = t.IgnoreError
+	result["watch"] = t.Watch
+	result["failfast"] = t.Failfast
+	result["aliases"] = t.Aliases
+	result["dotenv"] = t.Dotenv
+
+	return result
+}
+
 func (e *Executor) compiledTask(call *Call, evaluateShVars bool) (*ast.Task, error) {
 	origTask, err := e.GetTask(call)
 	if err != nil {
@@ -141,6 +186,12 @@ func (e *Executor) compiledTask(call *Call, evaluateShVars bool) (*ast.Task, err
 		new.Prefix = new.Task
 	}
 
+	// Add TASKS.self variable after basic properties are expanded
+	tasksMap := make(map[string]any)
+	tasksMap["self"] = taskToMap(&new)
+	vars.Set("TASKS", ast.Var{Value: tasksMap})
+	cache.ResetCache()
+
 	dotenvEnvs := ast.NewVars()
 	if len(new.Dotenv) > 0 {
 		for _, dotEnvPath := range new.Dotenv {