nixpkgs/pkgs/development/compilers/rust/setup-hook.sh

# Fix 'failed to open: /homeless-shelter/.cargo/.package-cache' in rust 1.36.
if [[ -z ${IN_NIX_SHELL-} && -z ${CARGO_HOME-} ]]; then
    export CARGO_HOME=$TMPDIR
fi
rustc: Add setup hook to set $CARGO_HOME This works around 'failed to open: /homeless-shelter/.cargo/.package-cache' with Rust 1.36 even when we're using 'cargo --frozen'. 2019-07-07 14:44:04 +02:00			`# Fix 'failed to open: /homeless-shelter/.cargo/.package-cache' in rust 1.36.`
rust: Allow IN_NIX_SHELL to be undefined 2019-11-01 11:09:02 -04:00			`if [[ -z ${IN_NIX_SHELL-} && -z ${CARGO_HOME-} ]]; then`
rustc: Add setup hook to set $CARGO_HOME This works around 'failed to open: /homeless-shelter/.cargo/.package-cache' with Rust 1.36 even when we're using 'cargo --frozen'. 2019-07-07 14:44:04 +02:00			`export CARGO_HOME=$TMPDIR`
			`fi`