From b5ccacf5b57b79849ed762f5024141a884b69a00 Mon Sep 17 00:00:00 2001
From: Fabian Boehm <FHomborg@gmail.com>
Date: Wed, 10 Jan 2024 18:54:25 +0100
Subject: [PATCH] fish_indent: Fix crash with redirection at the end of the
 source

---
 fish-rust/src/fish_indent.rs | 12 ++++++++++--
 tests/checks/indent.fish     |  3 +++
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/fish-rust/src/fish_indent.rs b/fish-rust/src/fish_indent.rs
index cbd77a97b..389b8e950 100755
--- a/fish-rust/src/fish_indent.rs
+++ b/fish-rust/src/fish_indent.rs
@@ -614,9 +614,17 @@ impl<'source, 'ast> PrettyPrinterState<'source, 'ast> {
 
     fn visit_redirection(&mut self, node: &ast::Redirection) {
         // No space between a redirection operator and its target (#2899).
-        self.emit_text(node.oper.range().unwrap(), GapFlags::default());
+        let Some(orange) = node.oper.range() else {
+            return;
+        };
+        self.emit_text(orange, GapFlags::default());
+
+        // (target is None if the source ends in a `<` or `>`
+        let Some(trange) = node.target.range() else {
+            return;
+        };
         self.emit_text(
-            node.target.range().unwrap(),
+            trange,
             GapFlags {
                 skip_space: true,
                 ..Default::default()
diff --git a/tests/checks/indent.fish b/tests/checks/indent.fish
index d11ae21d7..f406278a3 100644
--- a/tests/checks/indent.fish
+++ b/tests/checks/indent.fish
@@ -435,3 +435,6 @@ echo $status #CHECK: 0
 
 echo 'PATH={$PATH[echo " "' | $fish_indent --ansi
 # CHECK: PATH={$PATH[echo " "
+
+echo a\> | $fish_indent
+# CHECK: a >