feat: can exclude task from being included (#1859)

taskfile/ast/include.go

@@ -4,6 +4,7 @@ import (
 	"gopkg.in/yaml.v3"
 
 	"github.com/go-task/task/v3/errors"
+	"github.com/go-task/task/v3/internal/deepcopy"
 	omap "github.com/go-task/task/v3/internal/omap"
 )
 
@@ -15,6 +16,7 @@ type Include struct {
 	Optional       bool
 	Internal       bool
 	Aliases        []string
+	Excludes       []string
 	AdvancedImport bool
 	Vars           *Vars
 	Flatten        bool
@@ -84,6 +86,7 @@ func (include *Include) UnmarshalYAML(node *yaml.Node) error {
 			Internal bool
 			Flatten  bool
 			Aliases  []string
+			Excludes []string
 			Vars     *Vars
 		}
 		if err := node.Decode(&includedTaskfile); err != nil {
@@ -94,6 +97,7 @@ func (include *Include) UnmarshalYAML(node *yaml.Node) error {
 		include.Optional = includedTaskfile.Optional
 		include.Internal = includedTaskfile.Internal
 		include.Aliases = includedTaskfile.Aliases
+		include.Excludes = includedTaskfile.Excludes
 		include.AdvancedImport = true
 		include.Vars = includedTaskfile.Vars
 		include.Flatten = includedTaskfile.Flatten
@@ -115,6 +119,7 @@ func (include *Include) DeepCopy() *Include {
 		Dir:            include.Dir,
 		Optional:       include.Optional,
 		Internal:       include.Internal,
+		Excludes:       deepcopy.Slice(include.Excludes),
 		AdvancedImport: include.AdvancedImport,
 		Vars:           include.Vars.DeepCopy(),
 		Flatten:        include.Flatten,

taskfile/ast/tasks.go

@@ -56,6 +56,12 @@ func (t1 *Tasks) Merge(t2 Tasks, include *Include, includedTaskfileVars *Vars) e
 		// taskfile are marked as internal
 		task.Internal = task.Internal || (include != nil && include.Internal)
 		taskName := name
+
+		// if the task is in the exclude list, don't add it to the merged taskfile and early return
+		if slices.Contains(include.Excludes, name) {
+			return nil
+		}
+
 		if !include.Flatten {
 			// Add namespaces to task dependencies
 			for _, dep := range task.Deps {

taskfile/reader.go

@@ -115,6 +115,7 @@ func (r *Reader) include(node Node) error {
 				Flatten:        include.Flatten,
 				Aliases:        include.Aliases,
 				AdvancedImport: include.AdvancedImport,
+				Excludes:       include.Excludes,
 				Vars:           include.Vars,
 			}
 			if err := cache.Err(); err != nil {