rust-blast-off.sh

#!/bin/bash

TMP_PATH=/tmp/rust-blast-off-$(date +%s)
mkdir $TMP_PATH

### install rustup in tmp dir ###
echo "========================================="
echo "===     Just press Enter soon ;-)     ==="
echo "========================================="

HOME_BACKUP=$HOME
HOME=$TMP_PATH
curl https://sh.rustup.rs -sSf | sh

HOME=$HOME_BACKUP

### backup old stuff ###

echo "=== I will backup old .cargo and .multirust folders"
echo "=== as .cargo_bu and .multirust_bu"

if [ -e $HOME/.cargo ] 
then
	mv $HOME/.cargo $HOME/.cargo-bu-$(date +%s)
fi

if [ -e $HOME/.multirust ] 
then
	mv $HOME/.multirust $HOME/.multirust-bu-$(date +%s)
fi

### init cargo dir ###
mkdir $HOME/.cargo
cp $TMP_PATH/.cargo/env $HOME/.cargo/env

mkdir -p /local/.cargo/bin
cp -r $TMP_PATH/.cargo/bin/* /local/.cargo/bin
mkdir -p /local/.cargo/registry
ln -s /local/.cargo/bin $HOME/.cargo/bin
ln -s /local/.cargo/registry $HOME/.cargo/registry

### init .multirust dir ###
mkdir $HOME/.multirust/
cp $TMP_PATH/.multirust/settings.toml $HOME/.multirust/
cp -r $TMP_PATH/.multirust/update-hashes $HOME/.multirust/

mkdir -p /local/.multirust/toolchains
cp -r $TMP_PATH/.multirust/toolchains/* /local/.multirust/toolchains
ln -s /local/.multirust/toolchains $HOME/.multirust/toolchains

### add PATH stuff to .profile
echo "export PATH=\"/local/.cargo/bin:$PATH\"" >> $HOME/.profile


echo "Rust should be installed..."


### installing stuff ###
echo "Installing more stuff, this could take a while"
source $HOME/.cargo/env

cargo install rustfmt
cargo install cargo-edit
cargo install racer
cargo install cargo-check
cargo install cargo-outdated

### downloading rust source for racer ###

wget -O /local/source.tar.gz https://static.rust-lang.org/dist/rustc-1.10.0-src.tar.gz
tar -xzf /local/source.tar.gz
mv rustc-1.10.0 rustc-src
echo "export RUST_SRC_PATH=/local/rustc-src/src" >> .profile

### set to 777 because it's shared ###
chmod -R 777 /local/.cargo
chmod -R 777 /local/.multirust
chmod -R 777 /local/rustc-src

### finished ###

echo "========================================="
echo "=== Everything should be set up...    ==="
echo "=== Please log out and in again :)    ==="
echo "========================================="