docker: Add interactive sessions

Provide a nice interface when using the container interactively.

docker/.bash_aliases

@@ -0,0 +1,3 @@
+# Hijack this file to set this PS1, visually indicating to the user that we are running the docker container
+
+PS1="\[\e]0;\u@\h: \w\a\]${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[1;35m\]<$IMAGE_NAME>\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ "

docker/Dockerfile

@@ -1,5 +1,7 @@
 FROM rustlang/rust:nightly
 
+ENV IMAGE_NAME=redox-os-docker
+
 RUN set -ex;                                                                   \
     apt-get update;                                                            \
     apt-get install -q -y --no-install-recommends                              \
@@ -30,8 +32,8 @@ RUN set -ex;                                                                   \
     apt-get clean -q -y;                                                       \
     rm -rf /var/lib/apt/lists/*
 
-COPY entrypoint.sh /usr/local/bin/entrypoint.sh
-RUN chmod +x /usr/local/bin/entrypoint.sh
+COPY entrypoint.sh /usr/local/bin/
+COPY .bash_aliases /etc/skel/
 
-ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]
+ENTRYPOINT ["bash", "/usr/local/bin/entrypoint.sh"]
 CMD ["/bin/bash"]

docker/README.md

@@ -52,6 +52,17 @@ docker run --cap-add MKNOD --cap-add SYS_ADMIN --device /dev/fuse \
     -v redox-"$(id -u)-$(id -g)"-rustup:/usr/local/rustup \
     -v "$(pwd):$(pwd)" -w "$(pwd)" --rm redox make fetch all
 ```
+### Run the container interactively
+```shell
+docker run --cap-add MKNOD --cap-add SYS_ADMIN --device /dev/fuse \
+    -e LOCAL_UID="$(id -u)" -e LOCAL_GID="$(id -g)" \
+    -v redox-"$(id -u)-$(id -g)"-cargo:/usr/local/cargo \
+    -v redox-"$(id -u)-$(id -g)"-rustup:/usr/local/rustup \
+    -v "$(pwd):$(pwd)" -w "$(pwd)" --rm -it redox
+```
+
+#### Demo
+![Image of Usage](interactive_demo.gif)
 
 ### Clear the named volume containing the cargo cache
 ```shell