chore: WIP improvements to install script

Author: bushidocodes

install_deb.sh

@@ -1,15 +1,40 @@
 #!/bin/bash
 # Installs dependencies, builds Silverfish, and places it into your path
 # Be sure to validate the Rust and LLVM install scripts we invoke below!
+
+# TODO: Error Checking. Bail if not executing script from project root because we use relative paths
+
+# Check to see if ./wasmception directory exists and is not empty.
+# If not assume user didn't initialize submodules
+if [[ ! -d "./wasmception" ]] || [[ -z "$(ls -A wasmception)" ]]; then
+  git submodule update --init --recursive
+fi
+
+# Wasmception
+# Install Subversion
+sudo apt install subversion --yes
+
+# Build
+# This is super slow. Does something need to get modified in the Makefile?
+cd wasmception
+make
+cd ..
+
+## Silverfish
 sudo apt install build-essential --yes
-curl https://sh.rustup.rs -sSf | sh
+
+if [[ -x "$(command -v rustup)" ]]; then
+  rustup update
+else 
+  curl https://sh.rustup.rs -sSf | bash -s -- -y
+fi
+
 source $HOME/.cargo/env
+export PATH="$HOME/.cargo/bin:$PATH"
 sudo bash -c "$(wget -O - https://apt.llvm.org/llvm.sh)"
 LLVM_VERSION=9
 sudo update-alternatives --install /usr/bin/clang clang /usr/bin/clang-$LLVM_VERSION 100
 sudo update-alternatives --install /usr/bin/llvm-config llvm-config /usr/bin/llvm-config-$LLVM_VERSION 100
 sudo apt install libc++-dev libc++abi-dev --yes
 cargo build --release
-mkdir -p $HOME/bin
-cp -t $HOME/bin target/release/silverfish
-source $HOME/bin
+sudo cp -t /usr/bin ./target/release/silverfish