finish intro

Cargo.lock

@@ -459,7 +459,7 @@ checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"
 
 [[package]]
 name = "rustlings"
-version = "5.1.1"
+version = "5.2.0"
 dependencies = [
  "argh",
  "assert_cmd",

Docker/Dockerfile

@@ -0,0 +1,13 @@
+# Pull base image.
+FROM rust:latest
+
+# Install rustlings
+# WORKDIR /temp
+# RUN curl -L https://raw.githubusercontent.com/rust-lang/rustlings/main/install.sh | bash
+
+WORKDIR /temp
+RUN apt-get update && apt-get install -y git
+RUN git clone -b 5.1.1 --depth 1 https://github.com/rust-lang/rustlings
+WORKDIR /temp/rustlings
+RUN cargo install --force --path .
+RUN rm -rf /temp/rustlings

Docker/build_image.sh

@@ -0,0 +1,2 @@
+#!/bin/bash
+docker build -t rustlings .

Docker/run_docker.sh

@@ -0,0 +1,22 @@
+#!/bin/sh
+
+HOST_PATH=$PWD/..
+
+# store a command history inside containers into this file
+
+touch $HOME/.rustlings_history
+
+xhost local:
+
+sudo docker run --rm \
+-v /tmp/.X11-unix/:/tmp/.X11-unix \
+-v $HOST_PATH:/mnt/rustlings \
+-v $HOME/.rustlings_history:/root/.bash_history \
+-w /mnt/rustlings \
+--sysctl fs.mqueue.msg_max=128 \
+--ulimit msgqueue=8192000 \
+--ulimit core=-1 \
+--shm-size=12G \
+--name rustlings \
+-i -t rustlings:latest \
+/bin/bash

exercises/intro/intro1.rs

@@ -9,8 +9,6 @@
 // when you change one of the lines below! Try adding a `println!` line, or try changing
 // what it outputs in your terminal. Try removing a semicolon and see what happens!
 
-// I AM NOT DONE
-
 fn main() {
     println!("Hello and");
     println!(r#"       welcome to...                      "#);

exercises/intro/intro2.rs

@@ -2,8 +2,6 @@
 // Make the code print a greeting to the world.
 // Execute `rustlings hint intro2` or use the `hint` watch subcommand for a hint.
 
-// I AM NOT DONE
-
 fn main() {
-    println!("Hello {}!");
+    println!("Hello {}!", "rustlings");
 }