From f5afbe8984c3eb15dba74faf02aa6d2d7cb894cb Mon Sep 17 00:00:00 2001
From: Matthew Nicholson <matt@matt-land.com>
Date: Sun, 25 Aug 2019 00:51:12 -0400
Subject: [PATCH 1/2] write the config after removing a key

---
 src/commands/config.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/commands/config.rs b/src/commands/config.rs
index b1400207c..c41c1d374 100644
--- a/src/commands/config.rs
+++ b/src/commands/config.rs
@@ -111,6 +111,7 @@ pub fn config(
 
         if result.contains_key(&key) {
             result.remove(&key);
+            config::write_config(&result)?;
         } else {
             return Err(ShellError::string(&format!(
                 "{} does not exist in config",

From 6ebf6f8a8f6188b44a0a425a4e01405586f2cfe3 Mon Sep 17 00:00:00 2001
From: Matthew Nicholson <matt@matt-land.com>
Date: Sun, 25 Aug 2019 01:12:23 -0400
Subject: [PATCH 2/2] set rustyline's edit_mode based on a config option

This adds support for vi mode.
---
 src/cli.rs | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/cli.rs b/src/cli.rs
index 28fef9556..48fc71223 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -17,7 +17,7 @@ use crate::prelude::*;
 use log::{debug, trace};
 use regex::Regex;
 use rustyline::error::ReadlineError;
-use rustyline::{self, ColorMode, Config, Editor};
+use rustyline::{self, ColorMode, Config, Editor, config::Configurer, config::EditMode};
 use std::env;
 use std::error::Error;
 use std::io::{BufRead, BufReader, Write};
@@ -234,6 +234,17 @@ pub async fn cli() -> Result<(), Box<dyn Error>> {
             context.shell_manager.clone(),
         )));
 
+        let edit_mode = crate::object::config::config(Span::unknown())?
+            .get("edit_mode")
+            .map(|s| match s.as_string().unwrap().as_ref() {
+                "vi" => EditMode::Vi,
+                "emacs" => EditMode::Emacs,
+                _ => EditMode::Emacs,
+            })
+            .unwrap_or(EditMode::Emacs);
+
+        rl.set_edit_mode(edit_mode);
+
         let readline = rl.readline(&format!(
             "{}{}> ",
             cwd,