Bump Rustyline to 7.0.0 (#2776)

* Bump Rustyline to 7.0.0

* Append history instead of always save

* Add associated type to Hinter

* Convert to using Rustyline KeyEvent

* Use AcceptOrInsertLine as struct

* Cargo fmt

* Make convert_keyevent pub

* Better naming for RL conversion

Cargo.lock

@@ -1251,16 +1251,6 @@ dependencies = [
  "dirs-sys",
 ]
 
-[[package]]
-name = "dirs-next"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf36e65a80337bea855cd4ef9b8401ffce06a7baedf2e85ec467b1ac3f6e82b6"
-dependencies = [
- "cfg-if 1.0.0",
- "dirs-sys-next",
-]
-
 [[package]]
 name = "dirs-sys"
 version = "0.3.5"
@@ -1272,17 +1262,6 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
-[[package]]
-name = "dirs-sys-next"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "99de365f605554ae33f115102a02057d4fc18b01f3284d6870be0938743cfe7d"
-dependencies = [
- "libc",
- "redox_users",
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "doc-comment"
 version = "0.3.3"
@@ -1562,6 +1541,16 @@ dependencies = [
  "percent-encoding 2.1.0",
 ]
 
+[[package]]
+name = "fs2"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9564fc758e15025b46aa6643b1b77d047d1a56a1aea6e01002ac0c7026876213"
+dependencies = [
+ "libc",
+ "winapi 0.3.9",
+]
+
 [[package]]
 name = "fs_extra"
 version = "1.2.0"
@@ -4826,16 +4815,18 @@ dependencies = [
 
 [[package]]
 name = "rustyline"
-version = "6.3.0"
+version = "7.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f0d5e7b0219a3eadd5439498525d4765c59b7c993ef0c12244865cd2d988413"
+checksum = "1a5f54deba50e65ee4cf786dbc37e8b3c63bdccccbcf9d3a8a9fd0c1bb7e1984"
 dependencies = [
- "cfg-if 0.1.10",
+ "bitflags",
- "dirs-next",
+ "cfg-if 1.0.0",
+ "dirs 3.0.1",
+ "fs2",
  "libc",
  "log 0.4.11",
  "memchr",
- "nix 0.18.0",
+ "nix 0.19.0",
  "scopeguard",
  "unicode-segmentation",
  "unicode-width",

crates/nu-cli/Cargo.toml

@@ -75,7 +75,7 @@ rayon = "1.4.0"
 regex = "1.3.9"
 roxmltree = "0.13.0"
 rust-embed = "5.6.0"
-rustyline = {version = "6.3.0", optional = true}
+rustyline = {version = "7.0.0", optional = true}
 serde = {version = "1.0.115", features = ["derive"]}
 serde_bytes = "0.11.5"
 serde_ini = "0.2.0"

crates/nu-cli/src/cli.rs

@@ -1,24 +1,25 @@
 use crate::commands::classified::block::run_block;
 use crate::commands::classified::maybe_text_codec::{MaybeTextCodec, StringOrBinary};
 use crate::evaluation_context::EvaluationContext;
+#[cfg(feature = "rustyline-support")]
+use crate::keybinding::{convert_keyevent, KeyEvent};
 use crate::path::canonicalize;
 use crate::prelude::*;
 #[cfg(feature = "rustyline-support")]
 use crate::shell::Helper;
 use crate::EnvironmentSyncer;
 use futures_codec::FramedRead;
+use log::{debug, trace};
 use nu_errors::ShellError;
 use nu_protocol::hir::{ClassifiedCommand, Expression, InternalCommand, Literal, NamedArguments};
 use nu_protocol::{Primitive, ReturnSuccess, Scope, UntaggedValue, Value};
-
-use log::{debug, trace};
 #[cfg(feature = "rustyline-support")]
 use rustyline::{
     self,
     config::Configurer,
     config::{ColorMode, CompletionType, Config},
     error::ReadlineError,
-    At, Cmd, Editor, KeyPress, Movement, Word,
+    At, Cmd, Editor, Movement, Word,
 };
 use std::error::Error;
 use std::iter::Iterator;
@@ -678,16 +679,19 @@ fn default_rustyline_editor_configuration() -> Editor<Helper> {
 
     // add key bindings to move over a whole word with Ctrl+ArrowLeft and Ctrl+ArrowRight
     rl.bind_sequence(
-        KeyPress::ControlLeft,
+        convert_keyevent(KeyEvent::ControlLeft),
         Cmd::Move(Movement::BackwardWord(1, Word::Vi)),
     );
     rl.bind_sequence(
-        KeyPress::ControlRight,
+        convert_keyevent(KeyEvent::ControlRight),
         Cmd::Move(Movement::ForwardWord(1, At::AfterEnd, Word::Vi)),
     );
 
     // workaround for multiline-paste hang in rustyline (see https://github.com/kkawakam/rustyline/issues/202)
-    rl.bind_sequence(KeyPress::BracketedPasteStart, rustyline::Cmd::Noop);
+    rl.bind_sequence(
+        convert_keyevent(KeyEvent::BracketedPasteStart),
+        rustyline::Cmd::Noop,
+    );
 
     // Let's set the defaults up front and then override them later if the user indicates
     // defaults taken from here https://github.com/kkawakam/rustyline/blob/2fe886c9576c1ea13ca0e5808053ad491a6fe049/src/config.rs#L150-L167

crates/nu-cli/src/keybinding.rs

@@ -1,38 +1,64 @@
+use rustyline::{KeyCode, Modifiers};
 use serde::{Deserialize, Serialize};
 
-fn convert_keypress(keypress: KeyPress) -> rustyline::KeyPress {
+pub fn convert_keyevent(key_event: KeyEvent) -> rustyline::KeyEvent {
-    match keypress {
+    match key_event {
-        KeyPress::UnknownEscSeq => rustyline::KeyPress::UnknownEscSeq,
+        KeyEvent::UnknownEscSeq => convert_to_rl_keyevent(rustyline::KeyCode::UnknownEscSeq, None),
-        KeyPress::Backspace => rustyline::KeyPress::Backspace,
+        KeyEvent::Backspace => convert_to_rl_keyevent(rustyline::KeyCode::Backspace, None),
-        KeyPress::BackTab => rustyline::KeyPress::BackTab,
+        KeyEvent::BackTab => convert_to_rl_keyevent(rustyline::KeyCode::BackTab, None),
-        KeyPress::BracketedPasteStart => rustyline::KeyPress::BracketedPasteStart,
+        KeyEvent::BracketedPasteStart => {
-        KeyPress::BracketedPasteEnd => rustyline::KeyPress::BracketedPasteEnd,
+            convert_to_rl_keyevent(rustyline::KeyCode::BracketedPasteStart, None)
-        KeyPress::Char(c) => rustyline::KeyPress::Char(c),
+        }
-        KeyPress::ControlDown => rustyline::KeyPress::ControlDown,
+        KeyEvent::BracketedPasteEnd => {
-        KeyPress::ControlLeft => rustyline::KeyPress::ControlLeft,
+            convert_to_rl_keyevent(rustyline::KeyCode::BracketedPasteEnd, None)
-        KeyPress::ControlRight => rustyline::KeyPress::ControlRight,
+        }
-        KeyPress::ControlUp => rustyline::KeyPress::ControlUp,
+        KeyEvent::Char(c) => convert_to_rl_keyevent(rustyline::KeyCode::Char(c), None),
-        KeyPress::Ctrl(c) => rustyline::KeyPress::Ctrl(c),
+        KeyEvent::ControlDown => {
-        KeyPress::Delete => rustyline::KeyPress::Delete,
+            convert_to_rl_keyevent(rustyline::KeyCode::Down, Some(Modifiers::CTRL))
-        KeyPress::Down => rustyline::KeyPress::Down,
+        }
-        KeyPress::End => rustyline::KeyPress::End,
+        KeyEvent::ControlLeft => {
-        KeyPress::Enter => rustyline::KeyPress::Enter,
+            convert_to_rl_keyevent(rustyline::KeyCode::Left, Some(Modifiers::CTRL))
-        KeyPress::Esc => rustyline::KeyPress::Esc,
+        }
-        KeyPress::F(u) => rustyline::KeyPress::F(u),
+        KeyEvent::ControlRight => {
-        KeyPress::Home => rustyline::KeyPress::Home,
+            convert_to_rl_keyevent(rustyline::KeyCode::Right, Some(Modifiers::CTRL))
-        KeyPress::Insert => rustyline::KeyPress::Insert,
+        }
-        KeyPress::Left => rustyline::KeyPress::Left,
+        KeyEvent::ControlUp => {
-        KeyPress::Meta(c) => rustyline::KeyPress::Meta(c),
+            convert_to_rl_keyevent(rustyline::KeyCode::Up, Some(Modifiers::CTRL))
-        KeyPress::Null => rustyline::KeyPress::Null,
+        }
-        KeyPress::PageDown => rustyline::KeyPress::PageDown,
+        KeyEvent::Ctrl(c) => rustyline::KeyEvent::ctrl(c),
-        KeyPress::PageUp => rustyline::KeyPress::PageUp,
+        KeyEvent::Delete => convert_to_rl_keyevent(rustyline::KeyCode::Delete, None),
-        KeyPress::Right => rustyline::KeyPress::Right,
+        KeyEvent::Down => convert_to_rl_keyevent(rustyline::KeyCode::Down, None),
-        KeyPress::ShiftDown => rustyline::KeyPress::ShiftDown,
+        KeyEvent::End => convert_to_rl_keyevent(rustyline::KeyCode::End, None),
-        KeyPress::ShiftLeft => rustyline::KeyPress::ShiftLeft,
+        KeyEvent::Enter => convert_to_rl_keyevent(rustyline::KeyCode::Enter, None),
-        KeyPress::ShiftRight => rustyline::KeyPress::ShiftRight,
+        KeyEvent::Esc => convert_to_rl_keyevent(rustyline::KeyCode::Esc, None),
-        KeyPress::ShiftUp => rustyline::KeyPress::ShiftUp,
+        KeyEvent::F(u) => convert_to_rl_keyevent(rustyline::KeyCode::F(u), None),
-        KeyPress::Tab => rustyline::KeyPress::Tab,
+        KeyEvent::Home => convert_to_rl_keyevent(rustyline::KeyCode::Home, None),
-        KeyPress::Up => rustyline::KeyPress::Up,
+        KeyEvent::Insert => convert_to_rl_keyevent(rustyline::KeyCode::Insert, None),
+        KeyEvent::Left => convert_to_rl_keyevent(rustyline::KeyCode::Left, None),
+        KeyEvent::Meta(c) => rustyline::KeyEvent::new(c, Modifiers::NONE),
+        KeyEvent::Null => convert_to_rl_keyevent(rustyline::KeyCode::Null, None),
+        KeyEvent::PageDown => convert_to_rl_keyevent(rustyline::KeyCode::PageDown, None),
+        KeyEvent::PageUp => convert_to_rl_keyevent(rustyline::KeyCode::PageUp, None),
+        KeyEvent::Right => convert_to_rl_keyevent(rustyline::KeyCode::Right, None),
+        KeyEvent::ShiftDown => {
+            convert_to_rl_keyevent(rustyline::KeyCode::Down, Some(Modifiers::SHIFT))
+        }
+        KeyEvent::ShiftLeft => {
+            convert_to_rl_keyevent(rustyline::KeyCode::Left, Some(Modifiers::SHIFT))
+        }
+        KeyEvent::ShiftRight => {
+            convert_to_rl_keyevent(rustyline::KeyCode::Right, Some(Modifiers::SHIFT))
+        }
+        KeyEvent::ShiftUp => convert_to_rl_keyevent(rustyline::KeyCode::Up, Some(Modifiers::SHIFT)),
+        KeyEvent::Tab => convert_to_rl_keyevent(rustyline::KeyCode::Tab, None),
+        KeyEvent::Up => convert_to_rl_keyevent(rustyline::KeyCode::Up, None),
+    }
+}
+
+fn convert_to_rl_keyevent(key_event: KeyCode, modifier: Option<Modifiers>) -> rustyline::KeyEvent {
+    rustyline::KeyEvent {
+        0: key_event,
+        1: modifier.unwrap_or(Modifiers::NONE),
     }
 }
 
@@ -97,7 +123,9 @@ fn convert_cmd(cmd: Cmd) -> rustyline::Cmd {
     match cmd {
         Cmd::Abort => rustyline::Cmd::Abort,
         Cmd::AcceptLine => rustyline::Cmd::AcceptLine,
-        Cmd::AcceptOrInsertLine => rustyline::Cmd::AcceptOrInsertLine,
+        Cmd::AcceptOrInsertLine => rustyline::Cmd::AcceptOrInsertLine {
+            accept_in_the_middle: false,
+        },
         Cmd::BeginningOfHistory => rustyline::Cmd::BeginningOfHistory,
         Cmd::CapitalizeWord => rustyline::Cmd::CapitalizeWord,
         Cmd::ClearScreen => rustyline::Cmd::ClearScreen,
@@ -140,18 +168,18 @@ fn convert_cmd(cmd: Cmd) -> rustyline::Cmd {
     }
 }
 
-fn convert_keybinding(keybinding: Keybinding) -> (rustyline::KeyPress, rustyline::Cmd) {
+fn convert_keybinding(keybinding: Keybinding) -> (rustyline::KeyEvent, rustyline::Cmd) {
     (
-        convert_keypress(keybinding.key),
+        convert_keyevent(keybinding.key),
         convert_cmd(keybinding.binding),
     )
 }
 
 #[derive(Serialize, Deserialize, Debug, Clone)]
-pub enum KeyPress {
+pub enum KeyEvent {
     /// Unsupported escape sequence (on unix platform)
     UnknownEscSeq,
-    /// ⌫ or `KeyPress::Ctrl('H')`
+    /// ⌫ or `KeyEvent::Ctrl('H')`
     Backspace,
     /// ⇤ (usually Shift-Tab)
     BackTab,
@@ -177,9 +205,9 @@ pub enum KeyPress {
     Down,
     /// ⇲
     End,
-    /// ↵ or `KeyPress::Ctrl('M')`
+    /// ↵ or `KeyEvent::Ctrl('M')`
     Enter,
-    /// Escape or `KeyPress::Ctrl('[')`
+    /// Escape or `KeyEvent::Ctrl('[')`
     Esc,
     /// Function key
     F(u8),
@@ -191,7 +219,7 @@ pub enum KeyPress {
     Left,
     /// Escape-char or Alt-char
     Meta(char),
-    /// `KeyPress::Char('\0')`
+    /// `KeyEvent::Char('\0')`
     Null,
     /// ⇟
     PageDown,
@@ -207,7 +235,7 @@ pub enum KeyPress {
     ShiftRight,
     /// Shift-↑
     ShiftUp,
-    /// ⇥ or `KeyPress::Ctrl('I')`
+    /// ⇥ or `KeyEvent::Ctrl('I')`
     Tab,
     /// ↑ arrow key
     Up,
@@ -399,7 +427,7 @@ pub type RepeatCount = usize;
 
 #[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct Keybinding {
-    key: KeyPress,
+    key: KeyEvent,
     binding: Cmd,
 }
 

crates/nu-cli/src/shell/helper.rs

@@ -62,6 +62,7 @@ impl rustyline::completion::Completer for Helper {
 }
 
 impl rustyline::hint::Hinter for Helper {
+    type Hint = String;
     fn hint(&self, line: &str, pos: usize, ctx: &rustyline::Context<'_>) -> Option<String> {
         self.hinter.as_ref().and_then(|h| h.hint(line, pos, &ctx))
     }

docs/sample_config/keybindings.yml

@@ -150,7 +150,7 @@
   binding:
     Undo: 1
 
-#     KeyPress::UnknownEscSeq => Cmd::Noop,
+#     KeyEvent::UnknownEscSeq => Cmd::Noop,
 - key:
     UnknownEscSeq:
   binding:
@@ -161,7 +161,7 @@
 ##########################################################
 # /// Unsupported escape sequence (on unix platform)
 # UnknownEscSeq,
-# /// ⌫ or `KeyPress::Ctrl('H')`
+# /// ⌫ or `KeyEvent::Ctrl('H')`
 # Backspace,
 # /// ⇤ (usually Shift-Tab)
 # BackTab,
@@ -187,9 +187,9 @@
 # Down,
 # /// ⇲
 # End,
-# /// ↵ or `KeyPress::Ctrl('M')`
+# /// ↵ or `KeyEvent::Ctrl('M')`
 # Enter,
-# /// Escape or `KeyPress::Ctrl('[')`
+# /// Escape or `KeyEvent::Ctrl('[')`
 # Esc,
 # /// Function key
 # F(u8),
@@ -201,7 +201,7 @@
 # Left,
 # /// Escape-char or Alt-char
 # Meta(char),
-# /// `KeyPress::Char('\0')`
+# /// `KeyEvent::Char('\0')`
 # Null,
 # /// ⇟
 # PageDown,
@@ -217,7 +217,7 @@
 # ShiftRight,
 # /// Shift-↑
 # ShiftUp,
-# /// ⇥ or `KeyPress::Ctrl('I')`
+# /// ⇥ or `KeyEvent::Ctrl('I')`
 # Tab,
 # /// ↑ arrow key
 # Up,