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akorobov/rustup-install.md

Created March 19, 2017 19:15
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Installing rustup in different location
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rustup-install.md

To install rustup in different directory (i.e. /opt):

  1. install rustup in custom directory pointed to by RUSTUP_HOME envvar:
curl https://sh.rustup.rs -sSf | sudo RUSTUP_HOME=/opt/rustup sh -s -- -y
  1. select default tool chain
sudo RUSTUP_HOME=/opt/rustup rustup default stable
  1. fix $HOME/.cargo permissions after rustup installation (it ends up being owned as root)
sudo chown -R <username> .cargo/
  1. (optional,used by racer) add rust source
sudo RUSTUP_HOME=/opt/rustup rustup component add rust-src
  1. set up rust-specific env variables
export RUSTUP_HOME=/opt/rustup
export PATH=$HOME/.cargo/bin:$PATH
export RUST_SRC_PATH="$(rustc --print sysroot)/lib/rustlib/src/rust/src"
  1. add RUSTUP_HOME to Defaults env_keep list in /etc/sudoersto retain this variable for sudo commands (i.e. updating rustup/rust toolchains)
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