remove unnecessary SHOW_FIX_DIFF flag

Author: ntBre

crates/ruff/src/lib.rs

@@ -299,7 +299,7 @@ pub fn check(args: CheckCommand, global_options: GlobalConfigArgs) -> Result<Exi
     let noqa = !cli.ignore_noqa;
     let mut printer_flags = PrinterFlags::empty();
     if !(cli.diff || fix_only) {
-        printer_flags |= PrinterFlags::SHOW_VIOLATIONS | PrinterFlags::SHOW_FIX_DIFF;
+        printer_flags |= PrinterFlags::SHOW_VIOLATIONS;
     }
     if show_fixes {
         printer_flags |= PrinterFlags::SHOW_FIX_SUMMARY;

crates/ruff/src/printer.rs

@@ -31,8 +31,6 @@ bitflags! {
         const SHOW_VIOLATIONS = 1 << 0;
         /// Whether to show a summary of the fixed violations when emitting diagnostics.
         const SHOW_FIX_SUMMARY = 1 << 1;
-        /// Whether to show a diff of each fixed violation when emitting diagnostics.
-        const SHOW_FIX_DIFF = 1 << 2;
     }
 }
 
@@ -261,11 +259,7 @@ impl Printer {
             OutputFormat::Concise | OutputFormat::Full => {
                 TextEmitter::default()
                     .with_show_fix_status(show_fix_status(self.fix_mode, fixables.as_ref()))
-                    .with_show_fix_diff(
-                        self.flags.intersects(Flags::SHOW_FIX_DIFF)
-                            && self.format == OutputFormat::Full
-                            && preview,
-                    )
+                    .with_show_fix_diff(self.format == OutputFormat::Full && preview)
                     .with_show_source(self.format == OutputFormat::Full)
                     .with_fix_applicability(self.unsafe_fixes.required_applicability())
                     .with_preview(preview)