Add clone

src/elements/command.rs

@@ -29,6 +29,12 @@ impl Debug for dyn Command {
     }
 }
 
+impl Clone for Box::<dyn Command> {
+    fn clone(&self) -> Box<dyn Command> {
+        self.boxed_clone()
+    }
+}
+
 pub trait Command {
     fn exec(&mut self, core: &mut ShellCore, pipe: &mut Pipe) -> Result<Option<Pid>, ExecError> {
         if self.force_fork() || pipe.is_connected() {
@@ -74,6 +80,7 @@ pub trait Command {
     fn get_text(&self) -> String;
     fn get_redirects(&mut self) -> &mut Vec<Redirect>;
     fn set_force_fork(&mut self);
+    fn boxed_clone(&self) -> Box<dyn Command>;
     fn force_fork(&self) -> bool;
 }
 

src/elements/command/brace.rs

@@ -7,7 +7,7 @@ use crate::error::parse::ParseError;
 use super::{Command, Redirect};
 use crate::elements::command;
 
-#[derive(Debug, Default)]
+#[derive(Debug, Default, Clone)]
 pub struct BraceCommand {
     text: String,
     script: Option<Script>,
@@ -26,6 +26,7 @@ impl Command for BraceCommand {
     fn get_text(&self) -> String { self.text.clone() }
     fn get_redirects(&mut self) -> &mut Vec<Redirect> { &mut self.redirects }
     fn set_force_fork(&mut self) { self.force_fork = true; }
+    fn boxed_clone(&self) -> Box<dyn Command> {Box::new(self.clone())}
     fn force_fork(&self) -> bool { self.force_fork }
 }
 

src/elements/command/if.rs

@@ -7,7 +7,7 @@ use crate::error::parse::ParseError;
 use crate::elements::command;
 use super::{Command, Redirect};
 
-#[derive(Debug, Default)]
+#[derive(Debug, Default, Clone)]
 pub struct IfCommand {
     pub text: String,
     pub if_elif_scripts: Vec<Script>,
@@ -36,6 +36,7 @@ impl Command for IfCommand {
     fn get_text(&self) -> String { self.text.clone() }
     fn get_redirects(&mut self) -> &mut Vec<Redirect> { &mut self.redirects }
     fn set_force_fork(&mut self) { self.force_fork = true; }
+    fn boxed_clone(&self) -> Box<dyn Command> {Box::new(self.clone())}
     fn force_fork(&self) -> bool { self.force_fork }
 }
 

src/elements/command/paren.rs

@@ -8,7 +8,7 @@ use super::{Command, Pipe, Redirect};
 use crate::elements::command;
 use nix::unistd::Pid;
 
-#[derive(Debug, Default)]
+#[derive(Debug, Default, Clone)]
 pub struct ParenCommand {
     text: String,
     script: Option<Script>,
@@ -35,6 +35,7 @@ impl Command for ParenCommand {
     fn get_text(&self) -> String { self.text.clone() }
     fn get_redirects(&mut self) -> &mut Vec<Redirect> { &mut self.redirects }
     fn set_force_fork(&mut self) { }
+    fn boxed_clone(&self) -> Box<dyn Command> {Box::new(self.clone())}
     fn force_fork(&self) -> bool { true }
 }
 

src/elements/command/simple.rs

@@ -19,7 +19,7 @@ fn reserved(w: &str) -> bool {
     matches!(w, "{" | "}" | "while" | "do" | "done" | "if" | "then" | "elif" | "else" | "fi")
 }
 
-#[derive(Debug, Default)]
+#[derive(Debug, Default, Clone)]
 pub struct SimpleCommand {
     text: String,
     words: Vec<Word>,
@@ -66,6 +66,7 @@ impl Command for SimpleCommand {
     fn get_text(&self) -> String { self.text.clone() }
     fn get_redirects(&mut self) -> &mut Vec<Redirect> { &mut self.redirects }
     fn set_force_fork(&mut self) { self.force_fork = true; }
+    fn boxed_clone(&self) -> Box<dyn Command> {Box::new(self.clone())}
     fn force_fork(&self) -> bool { self.force_fork }
 }
 

src/elements/command/while.rs

@@ -7,7 +7,7 @@ use crate::error::parse::ParseError;
 use super::{Command, Redirect};
 use crate::elements::command;
 
-#[derive(Debug, Default)]
+#[derive(Debug, Default, Clone)]
 pub struct WhileCommand {
     pub text: String,
     pub while_script: Option<Script>,
@@ -37,6 +37,7 @@ impl Command for WhileCommand {
     fn get_text(&self) -> String { self.text.clone() }
     fn get_redirects(&mut self) -> &mut Vec<Redirect> { &mut self.redirects }
     fn set_force_fork(&mut self) { self.force_fork = true; }
+    fn boxed_clone(&self) -> Box<dyn Command> {Box::new(self.clone())}
     fn force_fork(&self) -> bool { self.force_fork }
 }
 

src/elements/io/pipe.rs

@@ -8,7 +8,7 @@ use std::os::unix::prelude::RawFd;
 use nix::unistd;
 use nix::unistd::Pid;
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct Pipe {
     pub text: String,
     pub recv: RawFd,

src/elements/job.rs

@@ -10,7 +10,7 @@ use crate::utils::exit;
 use nix::unistd;
 use nix::unistd::{Pid, ForkResult};
 
-#[derive(Debug, Default)]
+#[derive(Debug, Default, Clone)]
 pub struct Job {
     pub pipelines: Vec<Pipeline>,
     pub pipeline_ends: Vec<String>,

src/elements/pipeline.rs

@@ -10,7 +10,7 @@ use super::Pipe;
 use nix::unistd::Pid;
 use std::sync::atomic::Ordering::Relaxed;
 
-#[derive(Debug, Default)]
+#[derive(Debug, Default, Clone)]
 pub struct Pipeline {
     pub commands: Vec<Box<dyn Command>>,
     pub pipes: Vec<Pipe>,

src/elements/script.rs

@@ -12,7 +12,7 @@ enum Status{
     NormalEnd,
 }
 
-#[derive(Debug, Default)]
+#[derive(Debug, Default, Clone)]
 pub struct Script {
     pub jobs: Vec<Job>,
     pub job_ends: Vec<String>,