fix(ansible): scope playbook_dir for nested imports

parser.go

@@ -86,10 +86,27 @@ func (p *Parser) parsePlaybook(path string, seen map[string]bool) ([]Play, error
 			if importPath != "" && !pathIsAbs(importPath) {
 				importPath = joinPath(pathDir(path), importPath)
 			}
-			imported, err := p.parsePlaybook(importPath, seen)
+			savedPlaybookDir, hadPlaybookDir := p.vars["playbook_dir"]
+			p.vars["playbook_dir"] = pathDir(importPath)
+			imported, err := func() ([]Play, error) {
+				defer func() {
+					if hadPlaybookDir {
+						p.vars["playbook_dir"] = savedPlaybookDir
+					} else {
+						delete(p.vars, "playbook_dir")
+					}
+				}()
+				return p.parsePlaybook(importPath, seen)
+			}()
 			if err != nil {
 				return nil, coreerr.E("Parser.ParsePlaybook", sprintf("expand import_playbook %d", i), err)
 			}
+			for i := range imported {
+				if imported[i].Vars == nil {
+					imported[i].Vars = make(map[string]any)
+				}
+				imported[i].Vars["playbook_dir"] = savedPlaybookDir
+			}
 			expanded = append(expanded, imported...)
 			continue
 		}

parser_test.go

@@ -185,6 +185,43 @@ func TestParser_ParsePlaybook_Good_FQCNImportPlaybook(t *testing.T) {
 	assert.Equal(t, "all", plays[0].Hosts)
 }
 
+func TestParser_ParsePlaybook_Good_NestedImportPlaybookDirScope(t *testing.T) {
+	dir := t.TempDir()
+	mainPath := joinPath(dir, "site.yml")
+	outerDir := joinPath(dir, "plays")
+	outerPath := joinPath(outerDir, "outer.yml")
+	innerDir := joinPath(outerDir, "nested")
+	innerPath := joinPath(innerDir, "inner.yml")
+
+	yamlMain := `---
+- import_playbook: plays/outer.yml
+`
+	yamlOuter := `---
+- import_playbook: "{{ playbook_dir }}/nested/inner.yml"
+`
+	yamlInner := `---
+- name: Inner play
+  hosts: all
+  tasks:
+    - name: Say inner
+      debug:
+        msg: "inner"
+`
+	require.NoError(t, os.MkdirAll(innerDir, 0755))
+	require.NoError(t, writeTestFile(mainPath, []byte(yamlMain), 0644))
+	require.NoError(t, writeTestFile(outerPath, []byte(yamlOuter), 0644))
+	require.NoError(t, writeTestFile(innerPath, []byte(yamlInner), 0644))
+
+	p := NewParser(dir)
+	plays, err := p.ParsePlaybook("site.yml")
+
+	require.NoError(t, err)
+	require.Len(t, plays, 1)
+	assert.Equal(t, "Inner play", plays[0].Name)
+	require.NotNil(t, plays[0].Vars)
+	assert.Equal(t, dir, plays[0].Vars["playbook_dir"])
+}
+
 func TestParser_ParsePlaybook_Good_WithVars(t *testing.T) {
 	dir := t.TempDir()
 	path := joinPath(dir, "playbook.yml")