core: actually implement --sortr=path

This is an embarrassing oversight. A `todo!()` actually made its way
into a release! Oof.

This was working in ripgrep 13, but I had redone some aspects of sorting
and this just got left undone.

Fixes #2664

CHANGELOG.md

@@ -1,3 +1,13 @@
+14.0.3 (2023-11-28)
+===================
+This is a patch release with a bug fix for the `--sortr` flag.
+
+Bug fixes:
+
+* [BUG #2664](https://github.com/BurntSushi/ripgrep/issues/2664):
+  Fix `--sortr=path`. I left a `todo!()` in the source. Oof.
+
+
 14.0.2 (2023-11-27)
 ===================
 This is a patch release with a few small bug fixes.

crates/core/flags/hiargs.rs

@@ -771,7 +771,13 @@ impl HiArgs {
         let Some(ref sort) = self.sort else { return Box::new(haystacks) };
         let mut with_timestamps: Vec<_> = match sort.kind {
             SortModeKind::Path if !sort.reverse => return Box::new(haystacks),
-            SortModeKind::Path => todo!(),
+            SortModeKind::Path => {
+                let mut haystacks = haystacks.collect::<Vec<Haystack>>();
+                haystacks.sort_by(|ref h1, ref h2| {
+                    h1.path().cmp(h2.path()).reverse()
+                });
+                return Box::new(haystacks.into_iter());
+            }
             SortModeKind::LastModified => {
                 attach_timestamps(haystacks, |md| md.modified()).collect()
             }

tests/feature.rs

@@ -356,6 +356,17 @@ rgtest!(f263_sort_files, |dir: Dir, mut cmd: TestCommand| {
     eqnice!(expected, cmd.arg("--sort-files").arg("test").stdout());
 });
 
+// See: https://github.com/BurntSushi/ripgrep/issues/263
+rgtest!(f263_sort_files_reverse, |dir: Dir, mut cmd: TestCommand| {
+    dir.create("foo", "test");
+    dir.create("abc", "test");
+    dir.create("zoo", "test");
+    dir.create("bar", "test");
+
+    let expected = "zoo:test\nfoo:test\nbar:test\nabc:test\n";
+    eqnice!(expected, cmd.arg("--sortr=path").arg("test").stdout());
+});
+
 // See: https://github.com/BurntSushi/ripgrep/issues/275
 rgtest!(f275_pathsep, |dir: Dir, mut cmd: TestCommand| {
     dir.create_dir("foo");