Account for "\ No newline at end of file" in baseline diff parser

gix-diff/src/blob/platform.rs

@@ -243,8 +243,8 @@ pub mod prepare_diff {
             /// Use it in [`Platform::prepare_diff_command`](super::Platform::prepare_diff_command()) to easily prepare a compatible invocation.
             command: &'a BStr,
         },
-        /// One of the involved resources, [`old`](Outcome::old) or [`new`](Outcome::new), were binary and thus no diff
-        /// cannot be performed.
+        /// One of the involved resources, [`old`](Outcome::old) or [`new`](Outcome::new), was binary and thus no diff
+        /// can be performed.
         SourceOrDestinationIsBinary,
     }
 

gix-diff/tests/diff/blob/slider.rs

@@ -213,7 +213,13 @@ mod baseline {
                         hunk_lines.extend_from_slice(line);
                         hunk_lines.push(b'\n');
                     }
-                    _ => unreachable!("BUG: expecting unified diff format"),
+                    b'\\' => {
+                        assert_eq!(line, "\\ No newline at end of file".as_bytes());
+                    }
+                    _ => unreachable!(
+                        "BUG: expecting unified diff format, found line: `{}`",
+                        line.to_str_lossy()
+                    ),
                 }
 
                 match self.lines.peek() {

tests/it/src/args.rs

@@ -159,7 +159,7 @@ pub enum Subcommands {
     /// platforms (at least Windows) do not have such permissions, but Git still represents them.
     ///
     /// This currently only checks files name with an `.sh` suffix, and only operates on the
-    /// current repository. Its main use is checking that fixture scripts are have correct modes.
+    /// current repository. Its main use is checking that fixture scripts have correct modes.
     #[clap(visible_alias = "cm")]
     CheckMode {},
     /// Print environment variables as `NAME=value` lines.