Refresh headless scope as variables resolve

internal/headless/scope_test.go

@@ -0,0 +1,37 @@
+package headless
+
+import (
+	"reflect"
+	"testing"
+
+	"github.com/cheatmd-dev/cheatmd/pkg/config"
+	"github.com/cheatmd-dev/cheatmd/pkg/parser"
+)
+
+func TestLiteralChainSeesEarlierResolvedValues(t *testing.T) {
+	old := config.Get().VarSyntax
+	t.Cleanup(func() { config.Get().VarSyntax = old })
+	config.Get().VarSyntax = "dollar"
+	for _, name := range []string{"a", "b", "c"} {
+		t.Setenv(name, "")
+	}
+	cheat := &parser.Cheat{
+		Command: "echo $c",
+		Vars: []parser.VarDef{
+			{Name: "a", Literal: "alpha"},
+			{Name: "b", Literal: "$a-beta"},
+			{Name: "c", Literal: "$b-gamma"},
+		},
+	}
+	session := &RunnerSession{Cheat: cheat, Index: parser.NewCheatIndex()}
+	session.initializeVariables()
+
+	if err := session.resolveInteractively(); err != nil {
+		t.Fatal(err)
+	}
+
+	want := map[string]string{"a": "alpha", "b": "alpha-beta", "c": "alpha-beta-gamma"}
+	if !reflect.DeepEqual(cheat.Scope, want) {
+		t.Fatalf("resolved scope = %v, want %v", cheat.Scope, want)
+	}
+}

internal/headless/vars.go

@@ -87,6 +87,7 @@ func (s *RunnerSession) attemptAutoResolvePass() bool {
 	for i := range s.Vars {
 		if s.tryResolveVariable(&s.Vars[i], scope) {
 			progress = true
+			scope[s.Vars[i].Def.Name] = s.Vars[i].Value
 		}
 	}