feat: support refs in dependencies

docs/docs/experiments/any_variables.mdx

@@ -225,7 +225,8 @@ tasks:
 ```
 
 This means that the type of the variable is maintained when it is passed to
-another Task. This also works when defining a variable:
+another Task. This also works the same way when calling `deps` and when defining
+a variable and can be used in any combination:
 
 ```yaml
 version: 3
@@ -236,8 +237,14 @@ tasks:
       FOO: [A, B, C] # <-- FOO is defined as an array
       BAR:
         ref: FOO # <-- BAR is defined as a reference to FOO
+    deps:
+      - task: bar
+        vars:
+          BAR:
+            ref: BAR # <-- BAR gets passed by reference to bar and maintains its type
+  bar:
     cmds:
-      - 'echo {{index .BAR 0}}' # <-- BAR refers to FOO so the task outputs 'A'
+      - 'echo {{index .BAR 0}}' # <-- BAR still refers to FOO so the task outputs 'A'
 ```
 
 </TabItem></Tabs>

testdata/vars/any2/Taskfile.yml

@@ -16,7 +16,7 @@ tasks:
           VAR:
             ref: MAP
 
-  map-ref:
+  ref:
     vars:
       MAP:
         map: {"name":"Alice","age":30,"children":[{"name":"Bob","age":5},{"name":"Charlie","age":3},{"name":"Diane","age":1}]}
@@ -28,7 +28,7 @@ tasks:
           VAR:
             ref: MAP_REF
 
-  map-ref-sh:
+  ref-sh:
     vars:
       JSON_STRING:
         sh: echo '{"name":"Alice","age":30,"children":[{"name":"Bob","age":5},{"name":"Charlie","age":3},{"name":"Diane","age":1}]}'
@@ -42,6 +42,16 @@ tasks:
           VAR:
             ref: MAP_REF
 
+  ref-dep:
+    vars:
+      MAP:
+        map: {"name":"Alice","age":30,"children":[{"name":"Bob","age":5},{"name":"Charlie","age":3},{"name":"Diane","age":1}]}
+    deps:
+      - task: print-var
+        vars:
+          VAR:
+            ref: MAP
+
   json:
     vars:
       JSON_STRING:

variables.go

@@ -234,6 +234,17 @@ func (e *Executor) compiledTask(call ast.Call, evaluateShVars bool) (*ast.Task,
 			newDep := dep.DeepCopy()
 			newDep.Task = r.Replace(dep.Task)
 			newDep.Vars = r.ReplaceVars(dep.Vars)
+			// Loop over the dep's variables and resolve any references to other variables
+			err := dep.Vars.Range(func(k string, v ast.Var) error {
+				if v.Ref != "" {
+					refVal := vars.Get(v.Ref)
+					newDep.Vars.Set(k, refVal)
+				}
+				return nil
+			})
+			if err != nil {
+				return nil, err
+			}
 			new.Deps = append(new.Deps, newDep)
 		}
 	}