[Fix #7936] Mark Lint/BooleanSymbol as unsafe (#7941)

CHANGELOG.md

@@ -30,6 +30,7 @@
 * [#7094](https://github.com/rubocop-hq/rubocop/issues/7094): Clarify alignment in `Layout/MultilineOperationIndentation`. ([@jonas054][])
 * [#4245](https://github.com/rubocop-hq/rubocop/issues/4245): **(Breaking)** Inspect all files given on command line unless `--only-recognized-file-types` is given. ([@jonas054][])
 * [#7390](https://github.com/rubocop-hq/rubocop/issues/7390): **(Breaking)** Enabling a cop overrides disabling its department. ([@jonas054][])
+* [#7936](https://github.com/rubocop-hq/rubocop/issues/7936): Mark `Lint/BooleanSymbol` as unsafe. ([@laurmurclar][])
 
 ## 0.82.0 (2020-04-16)
 
@@ -4490,3 +4491,4 @@
 [@DracoAter]: https://github.com/DracoAter
 [@diogoosorio]: https://github.com/diogoosorio
 [@jeffcarbs]: https://github.com/jeffcarbs
+[@laurmurclar]: https://github.com/laurmurclar

config/default.yml

@@ -1342,8 +1342,9 @@ Lint/BigDecimalNew:
 Lint/BooleanSymbol:
   Description: 'Check for `:true` and `:false` symbols.'
   Enabled: true
+  Safe: false
   VersionAdded: '0.50'
-  VersionChanged: '0.81'
+  VersionChanged: '0.83'
 
 Lint/CircularArgumentReference:
   Description: "Default values in optional keyword arguments and optional ordinal arguments should not refer back to the name of the argument."

manual/cops_lint.md

@@ -166,7 +166,7 @@ BigDecimal(123.456, 3)
 
 Enabled by default | Safe | Supports autocorrection | VersionAdded | VersionChanged
 --- | --- | --- | --- | ---
-Enabled | Yes | Yes  | 0.50 | 0.81
+Enabled | No | Yes (Unsafe) | 0.50 | 0.83
 
 This cop checks for `:true` and `:false` symbols.
 In most cases it would be a typo.