revert helix-editor#4316

helix-core/src/shellwords.rs

@@ -1,22 +1,5 @@
 use std::borrow::Cow;
 
-/// Auto escape for shellwords usage.
-pub fn escape(input: &str) -> Cow<'_, str> {
-    if !input.chars().any(|x| x.is_ascii_whitespace()) {
-        Cow::Borrowed(input)
-    } else if cfg!(unix) {
-        Cow::Owned(input.chars().fold(String::new(), |mut buf, c| {
-            if c.is_ascii_whitespace() {
-                buf.push('\\');
-            }
-            buf.push(c);
-            buf
-        }))
-    } else {
-        Cow::Owned(format!("\"{}\"", input))
-    }
-}
-
 /// Get the vec of escaped / quoted / doublequoted filenames from the input str
 pub fn shellwords(input: &str) -> Vec<Cow<'_, str>> {
     enum State {
@@ -243,19 +226,4 @@ mod test {
         ];
         assert_eq!(expected, result);
     }
-
-    #[test]
-    #[cfg(unix)]
-    fn test_escaping_unix() {
-        assert_eq!(escape("foobar"), Cow::Borrowed("foobar"));
-        assert_eq!(escape("foo bar"), Cow::Borrowed("foo\\ bar"));
-        assert_eq!(escape("foo\tbar"), Cow::Borrowed("foo\\\tbar"));
-    }
-
-    #[test]
-    #[cfg(windows)]
-    fn test_escaping_windows() {
-        assert_eq!(escape("foobar"), Cow::Borrowed("foobar"));
-        assert_eq!(escape("foo bar"), Cow::Borrowed("\"foo bar\""));
-    }
 }

helix-term/src/commands/typed.rs

@@ -2183,10 +2183,12 @@ pub(super) fn command_mode(cx: &mut Context) {
             static FUZZY_MATCHER: Lazy<fuzzy_matcher::skim::SkimMatcherV2> =
                 Lazy::new(fuzzy_matcher::skim::SkimMatcherV2::default);
 
+            // we use .this over split_whitespace() because we care about empty segments
+            let parts = input.split(' ').collect::<Vec<&str>>();
+
             // simple heuristic: if there's no just one part, complete command name.
             // if there's a space, per command completion kicks in.
-            // we use .this over split_whitespace() because we care about empty segments
-            if input.split(' ').count() <= 1 {
+            if parts.len() <= 1 {
                 let mut matches: Vec<_> = typed::TYPABLE_COMMAND_LIST
                     .iter()
                     .filter_map(|command| {
@@ -2202,13 +2204,12 @@ pub(super) fn command_mode(cx: &mut Context) {
                     .map(|(name, _)| (0.., name.into()))
                     .collect()
             } else {
-                let parts = shellwords::shellwords(input);
                 let part = parts.last().unwrap();
 
                 if let Some(typed::TypableCommand {
                     completer: Some(completer),
                     ..
-                }) = typed::TYPABLE_COMMAND_MAP.get(&parts[0] as &str)
+                }) = typed::TYPABLE_COMMAND_MAP.get(parts[0])
                 {
                     completer(editor, part)
                         .into_iter()

helix-term/src/ui/prompt.rs

@@ -1,6 +1,5 @@
 use crate::compositor::{Component, Compositor, Context, Event, EventResult};
 use crate::{alt, ctrl, key, shift, ui};
-use helix_core::shellwords;
 use helix_view::input::KeyEvent;
 use helix_view::keyboard::KeyCode;
 use std::{borrow::Cow, ops::RangeFrom};
@@ -336,10 +335,7 @@ impl Prompt {
 
         let (range, item) = &self.completion[index];
 
-        // since we are using shellwords to parse arguments, make sure
-        // that whitespace in files is properly escaped.
-        let item = shellwords::escape(item);
-        self.line.replace_range(range.clone(), &item);
+        self.line.replace_range(range.clone(), item);
 
         self.move_end();
     }