Merge branch 'suggestion-for-similar-session-name' of https://github.com/ken-matsui/zellij into ken-matsui-suggestion-for-similar-session-name

Cargo.lock

@@ -1174,6 +1174,12 @@ version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "884e2677b40cc8c339eaefcb701c32ef1fd2493d71118dc0ca4b6a736c93bd67"
 
+[[package]]
+name = "lev_distance"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4d234d89ecf5621c935b69a4c7266c9a634a95e465081682be47358617ce825b"
+
 [[package]]
 name = "libc"
 version = "0.2.106"
@@ -2152,6 +2158,15 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "suggestion"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "015336207b7660be204f5012fcdb84b3ff35442b26cea77ebe6103929a56e54b"
+dependencies = [
+ "lev_distance",
+]
+
 [[package]]
 name = "syn"
 version = "1.0.81"
@@ -2868,6 +2883,7 @@ dependencies = [
  "names",
  "rand 0.8.4",
  "ssh2",
+ "suggestion",
  "zellij-client",
  "zellij-server",
  "zellij-utils",

Cargo.toml

@@ -21,6 +21,7 @@ zellij-server = { path = "zellij-server/", version = "0.21.0" }
 zellij-utils = { path = "zellij-utils/", version = "0.21.0" }
 log = "0.4.14"
 dialoguer = "0.9.0"
+suggestion = "0.1.0"
 
 [dev-dependencies]
 insta = { version = "1.6.0", features = ["backtrace"] }

src/sessions.rs

@@ -1,6 +1,7 @@
 use std::os::unix::fs::FileTypeExt;
 use std::time::SystemTime;
 use std::{fs, io, process};
+use suggestion::Suggest;
 use zellij_utils::{
     consts::ZELLIJ_SOCK_DIR,
     envs,
@@ -149,9 +150,19 @@ pub(crate) fn session_exists(name: &str) -> Result<bool, io::ErrorKind> {
 
 pub(crate) fn assert_session(name: &str) {
     match session_exists(name) {
-        Ok(result) if result => return,
-        Ok(_) => println!("No session named {:?} found.", name),
-        Err(e) => eprintln!("Error occurred: {:?}", e),
+        Ok(result) => {
+            if result {
+                return;
+            } else {
+                println!("No session named {:?} found.", name);
+                if let Some(sugg) = get_sessions().unwrap().suggest(name) {
+                    println!("  help: Did you mean `{}`?", sugg);
+                }
+            }
+        }
+        Err(e) => {
+            eprintln!("Error occurred: {:?}", e);
+        }
     };
     process::exit(1);
 }