pkgs/build-support/rust/sysroot/cargo.py

   1 import os
   2 import toml
   3
   4 rust_src = os.environ['RUSTC_SRC']
   5 orig_cargo = os.environ['ORIG_CARGO'] if 'ORIG_CARGO' in os.environ else None
   6
   7 base = {
   8   'package': {
   9     'name': 'nixpkgs-sysroot-stub-crate',
  10     'version': '0.0.0',
  11     'authors': ['The Rust Project Developers'],
  12     'edition': '2018',
  13   },
  14   'dependencies': {
  15     'compiler_builtins': {
  16       'version': '0.1.0',
  17       'features': ['rustc-dep-of-std', 'mem'],
  18     },
  19     'core': {
  20       'path': os.path.join(rust_src, 'core'),
  21     },
  22     'alloc': {
  23       'path': os.path.join(rust_src, 'alloc'),
  24     },
  25   },
  26   'patch': {
  27     'crates-io': {
  28       'rustc-std-workspace-core': {
  29         'path': os.path.join(rust_src, 'rustc-std-workspace-core'),
  30       },
  31       'rustc-std-workspace-alloc': {
  32         'path': os.path.join(rust_src, 'rustc-std-workspace-alloc'),
  33       },
  34     },
  35   },
  36 }
  37
  38 if orig_cargo is not None:
  39   with open(orig_cargo, 'r') as f:
  40     src = toml.loads(f.read())
  41     if 'profile' in src:
  42       base['profile'] = src['profile']
  43
  44 out = toml.dumps(base)
  45
  46 with open('Cargo.toml', 'x') as f:
  47   f.write(out)