Merge pull request #356 from TomWright/bool-like-strings

Fix an issue that caused bool-like strings to be read as bools in YAML

CHANGELOG.md

@@ -7,7 +7,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
-- Nothing yet
+### Fixed
+
+- Resolved an issue with YAML parser that was causing strings to be read as booleans.
 
 ## [v2.3.6] - 2023-08-30
 

dencoding/yaml_encoder.go

@@ -111,10 +111,12 @@ func yamlScalarToNode(value any) (*yaml.Node, error) {
 	}
 	switch v := value.(type) {
 	case string:
-		// If the string can be evaluated as a number, quote it.
-		if _, err := strconv.ParseInt(v, 0, 64); err == nil {
+		if v == "true" || v == "false" {
+			// If the string can be evaluated as a bool, quote it.
+			res.Style = yaml.DoubleQuotedStyle
+		} else if _, err := strconv.ParseInt(v, 0, 64); err == nil {
+			// If the string can be evaluated as a number, quote it.
 			res.Style = yaml.DoubleQuotedStyle
-			return res, nil
 		}
 	}
 	return res, nil

internal/command/put_test.go

@@ -172,4 +172,20 @@ func TestPutCommand(t *testing.T) {
 		nil,
 		nil,
 	))
+
+	t.Run("YamlBoolLikeStringTrue", runTest(
+		[]string{"put", "-r", "yaml", "-t", "string", "--pretty=false", "-v", "true", "t"},
+		[]byte(`t:`),
+		newline([]byte(`t: "true"`)),
+		nil,
+		nil,
+	))
+
+	t.Run("YamlBoolLikeStringFalse", runTest(
+		[]string{"put", "-r", "yaml", "-t", "string", "--pretty=false", "-v", "false", "t"},
+		[]byte(`t:`),
+		newline([]byte(`t: "false"`)),
+		nil,
+		nil,
+	))
 }