fix: pattern not properly being checked

src/pkg/variables/variables.go

@@ -34,6 +34,7 @@ func (vc *VariableConfig[T]) PopulateVariables(variables []InteractiveVariable[T
 
 		// Variable is present, no need to continue checking
 		if present {
+			vc.setVariableMap[variable.Name].Pattern = variable.Pattern
 			vc.setVariableMap[variable.Name].Extra = variable.Extra
 			if err := vc.CheckVariablePattern(variable.Name); err != nil {
 				return err

src/test/e2e/runner_test.go

@@ -394,4 +394,20 @@ func TestTaskRunner(t *testing.T) {
 		require.NoError(t, err, stdOut, stdErr)
 		require.Contains(t, stdErr, "\"input val2 equals 5 and variable VAL1 equals 5\"")
 	})
+
+	t.Run("run successful pattern", func(t *testing.T) {
+		t.Parallel()
+
+		stdOut, stdErr, err := e2e.Maru("run", "--file", "src/test/tasks/more-tasks/pattern.yaml", "--set", "HELLO=HELLO")
+		require.NoError(t, err, stdOut, stdErr)
+		require.Contains(t, stdErr, "HELLO")
+	})
+
+	t.Run("run unsuccessful pattern", func(t *testing.T) {
+		t.Parallel()
+
+		stdOut, stdErr, err := e2e.Maru("run", "--file", "src/test/tasks/more-tasks/pattern.yaml", "--set", "HELLO=HI")
+		require.Error(t, err, stdOut, stdErr)
+		require.Contains(t, stdErr, "\"HELLO\" does not match pattern \"^HELLO$\"")
+	})
 }

src/test/tasks/more-tasks/pattern.yaml

@@ -0,0 +1,8 @@
+variables:
+  - name: HELLO
+    pattern: ^HELLO$
+
+tasks:
+  - name: default
+    actions:
+      - cmd: echo ${HELLO}