feat: wildcard matching of task names

taskfile/ast/task.go

@@ -2,6 +2,8 @@ package ast
 
 import (
 	"fmt"
+	"regexp"
+	"strings"
 
 	"gopkg.in/yaml.v3"
 
@@ -51,6 +53,30 @@ func (t *Task) Name() string {
 	return t.Task
 }
 
+// WildcardMatch will check if the given string matches the name of the Task and returns any wildcard values.
+func (t *Task) WildcardMatch(name string) (bool, []string) {
+	// Convert the name into a regex string
+	regexStr := fmt.Sprintf("^%s$", strings.ReplaceAll(t.Task, "*", "(.*)"))
+	regex := regexp.MustCompile(regexStr)
+	wildcards := regex.FindStringSubmatch(name)
+	wildcardCount := strings.Count(t.Task, "*")
+
+	// If there are no wildcards, return false
+	if len(wildcards) == 0 {
+		return false, nil
+	}
+
+	// Remove the first match, which is the full string
+	wildcards = wildcards[1:]
+
+	// If there are more/less wildcards than matches, return false
+	if len(wildcards) != wildcardCount {
+		return false, wildcards
+	}
+
+	return true, wildcards
+}
+
 func (t *Task) UnmarshalYAML(node *yaml.Node) error {
 	switch node.Kind {
 

taskfile/ast/tasks.go

@@ -14,6 +14,31 @@ type Tasks struct {
 	omap.OrderedMap[string, *Task]
 }
 
+func (t *Tasks) Get(call *Call) *Task {
+	if call == nil {
+		return nil
+	}
+	var task *Task
+	// If there is a direct match, return it
+	if task = t.OrderedMap.Get(call.Task); task != nil {
+		return task
+	}
+	if call.Vars == nil {
+		call.Vars = &Vars{}
+	}
+	// Attempt a wildcard match
+	// TODO: We need to add a yield func to the Range method so that we can stop looping when we find a match
+	// For now, we can just nil check the task before each loop
+	_ = t.Range(func(key string, value *Task) error {
+		if match, wildcards := value.WildcardMatch(call.Task); match && task == nil {
+			task = value
+			call.Vars.Set("MATCH", Var{Value: wildcards})
+		}
+		return nil
+	})
+	return task
+}
+
 func (t1 *Tasks) Merge(t2 Tasks, include *Include) {
 	_ = t2.Range(func(k string, v *Task) error {
 		// We do a deep copy of the task struct here to ensure that no data can

testdata/wildcards/Taskfile.yml

@@ -0,0 +1,16 @@
+version: 3
+
+tasks:
+  wildcard-*:
+    cmds:
+      - echo "Hello {{index .MATCH 0}}"
+
+  '*-wildcard-*':
+    cmds:
+      - echo "Hello {{index .MATCH 0}} {{index .MATCH 1}}"
+
+  start-*:
+    vars:
+      SERVICE: "{{index .MATCH 0}}"
+    cmds:
+      - echo "Starting {{.SERVICE}}"