pkgs/build-support/rust/sysroot/update-lockfile.sh

   1 #!/usr/bin/env nix-shell
   2 #!nix-shell -i bash -p python3 python3.pkgs.toml cargo
   3
   4 set -eu pipefile
   5
   6 HERE=$(readlink -e $(dirname "${BASH_SOURCE[0]}"))
   7 NIXPKGS_ROOT="$HERE/../../../.."
   8
   9 # https://unix.stackexchange.com/a/84980/390173
  10 tempdir=$(mktemp -d 2>/dev/null || mktemp -d -t 'update-lockfile')
  11 cd "$tempdir"
  12 mkdir -p src
  13 touch src/lib.rs
  14
  15 RUSTC_SRC=$(nix-build "${NIXPKGS_ROOT}" -A pkgs.rustPlatform.rustLibSrc --no-out-link)
  16
  17 ln -s $RUSTC_SRC/{core,alloc} ./
  18
  19 export RUSTC_SRC
  20 python3 "$HERE/cargo.py"
  21
  22 export RUSTC_BOOTSTRAP=1
  23 cargo generate-lockfile
  24
  25 cp Cargo.lock "$HERE"
  26
  27 rm -rf "$tempdir"