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Auto merge of #84750 - jyn514:nix-cargo, r=Mark-Simulacrum

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Don't download cargo twice when download-rustc is set

Previously, this caused a bug on NixOS:

1. bootstrap.py would download and patch stage0/cargo
2. bootstrap.py would download nightly cargo, but extract it to
   stage0/cargo instead of ci-rustc/cargo. It would still try (and fail) to patch ci-rustc/cargo.
3. bootstrap.py would fail to build rustbuild because stage0/cargo
   wasn't patched.

The "proper" fix is to extract nightly cargo to ci-rustc instead, but it
doesn't seem to be necessary at all, so this just skips downloading it
instead.

Fixes https://github.com/rust-lang/rust/issues/84702
This commit is contained in:
bors 2021-05-02 07:09:38 +00:00
commit 6d4e3c1ed6
1 changed files with 7 additions and 5 deletions
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12
src/bootstrap/bootstrap.py
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@ -414,10 +414,13 @@ class RustBuild(object):
filename = "rustc-{}-{}{}".format(rustc_channel, self.build,
tarball_suffix)
self._download_component_helper(filename, "rustc", tarball_suffix, stage0)
filename = "cargo-{}-{}{}".format(rustc_channel, self.build,
tarball_suffix)
self._download_component_helper(filename, "cargo", tarball_suffix)
if not stage0:
# download-rustc doesn't need its own cargo, it can just use beta's.
if stage0:
filename = "cargo-{}-{}{}".format(rustc_channel, self.build,
tarball_suffix)
self._download_component_helper(filename, "cargo", tarball_suffix)
self.fix_bin_or_dylib("{}/bin/cargo".format(bin_root))
else:
filename = "rustc-dev-{}-{}{}".format(rustc_channel, self.build, tarball_suffix)
self._download_component_helper(
filename, "rustc-dev", tarball_suffix, stage0
@ -425,7 +428,6 @@ class RustBuild(object):
self.fix_bin_or_dylib("{}/bin/rustc".format(bin_root))
self.fix_bin_or_dylib("{}/bin/rustdoc".format(bin_root))
self.fix_bin_or_dylib("{}/bin/cargo".format(bin_root))
lib_dir = "{}/lib".format(bin_root)
for lib in os.listdir(lib_dir):
if lib.endswith(".so"):