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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'.
This commit is contained in:
Eelco Dolstra 2019-07-07 14:44:04 +02:00
parent 2c0a6e1ea0
commit 33723434a8
2 changed files with 6 additions and 0 deletions
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2
pkgs/development/compilers/rust/rustc.nix
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@ -206,6 +206,8 @@ in stdenv.mkDerivation rec {
# https://github.com/rust-lang/rust/issues/30181 # https://github.com/rust-lang/rust/issues/30181
# enableParallelBuilding = false; # enableParallelBuilding = false;
setupHooks = ./setup-hook.sh;
requiredSystemFeatures = [ "big-parallel" ]; requiredSystemFeatures = [ "big-parallel" ];
meta = with stdenv.lib; { meta = with stdenv.lib; {

4
pkgs/development/compilers/rust/setup-hook.sh Normal file
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@ -0,0 +1,4 @@
# 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