add nop alias for ()

src/builtins.rs

@@ -194,29 +194,26 @@ pub fn help(args: Vec<String>, _: String, state: &mut super::State) -> i32 {
     }
     println!(
         "{}sesh, version {} ({})",
-        if state.in_mode {
-            "\x1b[31;1m"
-        } else {
-            ""
-        },
+        if state.in_mode { "\x1b[31;1m" } else { "" },
         env!("CARGO_PKG_VERSION"),
         env!("TARGET")
     );
-    println!("{}This provides a list of built-in shell commands.", if state.in_mode {
-        "\x1b[38;2;255;165;0m"
-    } else {
-        ""
-    });
-    println!("{}Use `man sesh` to find out more about the shell in general.", if state.in_mode {
-        "\x1b[33;1m"
-    } else {
-        ""
-    });
-    println!("{}Use `man -k' or `info' to find out more about commands not in this list.", if state.in_mode {
-        "\x1b[32;1m"
-    } else {
-        ""
-    });
+    println!(
+        "{}This provides a list of built-in shell commands.",
+        if state.in_mode {
+            "\x1b[38;2;255;165;0m"
+        } else {
+            ""
+        }
+    );
+    println!(
+        "{}Use `man sesh` to find out more about the shell in general.",
+        if state.in_mode { "\x1b[33;1m" } else { "" }
+    );
+    println!(
+        "{}Use `man -k' or `info' to find out more about commands not in this list.",
+        if state.in_mode { "\x1b[32;1m" } else { "" }
+    );
     println!();
     let mut builtins = BUILTINS;
     builtins.sort_by(|v1, v2| v1.0.cmp(v2.0));
@@ -235,7 +232,7 @@ pub fn help(args: Vec<String>, _: String, state: &mut super::State) -> i32 {
                 "\x1b[33;1m",
                 "\x1b[32;1m",
             ];
-            let idx = i%table.len();
+            let idx = i % table.len();
             print!("{}", table[idx]);
         }
         println!("{} {}", builtin.0, builtin.2);

src/main.rs

@@ -99,7 +99,7 @@ struct State {
     /// sh
     in_mode: bool,
     /// sh
-    entries: usize
+    entries: usize,
 }
 
 unsafe impl Sync for State {}
@@ -122,7 +122,7 @@ fn split_statement(statement: &str) -> Vec<String> {
             if ch == ']' {
                 out[i].push(ch);
             }
-            if ch == ')' && f == str_idx+1 {
+            if ch == ')' && f == str_idx + 1 {
                 out[i].push('(');
                 out[i].push(ch);
             }
@@ -398,9 +398,9 @@ fn write_prompt(state: State) -> Result<(), Box<dyn std::error::Error>> {
             "\x1b[32;1m",
             "\x1b[34;1m",
             "\x1b[36;1m",
-            "\x1b[35;1m"
+            "\x1b[35;1m",
         ];
-        let idx = state.entries.saturating_sub(1)%table.len();
+        let idx = state.entries.saturating_sub(1) % table.len();
         prompt += table[idx];
     }
 
@@ -434,7 +434,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
         aliases: Vec::new(),
         raw_term: None,
         in_mode: false,
-        entries: 0
+        entries: 0,
     };
     state.shell_env.push(ShellVar {
         name: "PROMPT1".to_string(),
@@ -483,8 +483,13 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
         eval(&options.run_before, &mut state)
     }
 
-    let mut history: Vec<String> = vec![];
-    let mut hist_ptr: usize = 0;
+    let mut history: Vec<String> =
+        std::fs::read_to_string(std::env::home_dir().unwrap().join(".sesh_history"))
+            .unwrap_or_default()
+            .split("\n")
+            .map(|v| v.to_string())
+            .collect();
+    let mut hist_ptr: usize = history.len();
 
     state.raw_term = Some(Arc::new(RwLock::new(std::io::stdout().into_raw_mode()?)));
 
@@ -631,7 +636,17 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
         }
 
         println!("\x0D");
-        history.push(input.clone().trim().to_string());
+        input = input.clone().trim().to_string();
+        history.push(input.clone());
+
+        std::fs::OpenOptions::new()
+            .create(true)
+            .append(true)
+            .open(std::env::home_dir().unwrap().join(".sesh_history"))
+            .unwrap()
+            .write_all((input.clone() + "\n").into_bytes().as_slice())
+            .unwrap();
+
         hist_ptr = history.len();
 
         state.entries += 1;