Unlink old final artifacts before compilation #11122
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Some linkers do not remove the executable, but truncate and modify it. That results in the old hard-link being modified even after renamed. We delete the old artifact here to prevent this behavior from confusing users. See rust-lang#8348.
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22 commits in 73ba3f35e0205844418260722c11602113179c4a..f5fed93ba24607980647962c59863bbabb03ce14 2022-09-18 06:38:16 +0000 to 2022-09-27 12:03:57 +0000 - build-scripts.md: Use em dash consistently. (rust-lang/cargo#11150) - Indicate how Cargo locates the manifest (rust-lang/cargo#10770) - Reduce references to `[project]` within cargo (rust-lang/cargo#11135) - Iteratively construct target cfg (rust-lang/cargo#11114) - update comment about `CARGO_BIN_EXE_` (rust-lang/cargo#11146) - Call out that not all config values can be set via env vars (rust-lang/cargo#11139) - Bump to 0.67.0, update changelog (rust-lang/cargo#11137) - ci: update toolchain for building api doc (rust-lang/cargo#11134) - Http publish not noop (rust-lang/cargo#11111) - Improve errors for TOML fields that support workspace inheritance (rust-lang/cargo#11113) - switch to `std::task::ready!()` where possible (rust-lang/cargo#11130) - Report cmd aliasing failure with more contexts (rust-lang/cargo#11087) - minor: remove unused mut (rust-lang/cargo#11127) - fix(cli): Forward non-UTF8 arguments to external subcommands (rust-lang/cargo#11118) - This change adds an example to the authors attribute in the manifest. (rust-lang/cargo#10938) - Add support for relative git submodule paths (rust-lang/cargo#11106) - make unknown features on `cargo add` more discoverable (rust-lang/cargo#11098) - Unlink old final artifacts before compilation (rust-lang/cargo#11122) - refactor(cli): Prepare for clap v4 (rust-lang/cargo#11116) - fix(cli): Error trailing args rather than ignore (rust-lang/cargo#11119) - Add a minor clarification (rust-lang/cargo#11093) - doc(changelog): mention CVE fixes (rust-lang/cargo#11104)
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Update cargo 22 commits in 73ba3f35e0205844418260722c11602113179c4a..f5fed93ba24607980647962c59863bbabb03ce14 2022-09-18 06:38:16 +0000 to 2022-09-27 12:03:57 +0000 - build-scripts.md: Use em dash consistently. (rust-lang/cargo#11150) - Indicate how Cargo locates the manifest (rust-lang/cargo#10770) - Reduce references to `[project]` within cargo (rust-lang/cargo#11135) - Iteratively construct target cfg (rust-lang/cargo#11114) - update comment about `CARGO_BIN_EXE_` (rust-lang/cargo#11146) - Call out that not all config values can be set via env vars (rust-lang/cargo#11139) - Bump to 0.67.0, update changelog (rust-lang/cargo#11137) - ci: update toolchain for building api doc (rust-lang/cargo#11134) - Http publish not noop (rust-lang/cargo#11111) - Improve errors for TOML fields that support workspace inheritance (rust-lang/cargo#11113) - switch to `std::task::ready!()` where possible (rust-lang/cargo#11130) - Report cmd aliasing failure with more contexts (rust-lang/cargo#11087) - minor: remove unused mut (rust-lang/cargo#11127) - fix(cli): Forward non-UTF8 arguments to external subcommands (rust-lang/cargo#11118) - This change adds an example to the authors attribute in the manifest. (rust-lang/cargo#10938) - Add support for relative git submodule paths (rust-lang/cargo#11106) - make unknown features on `cargo add` more discoverable (rust-lang/cargo#11098) - Unlink old final artifacts before compilation (rust-lang/cargo#11122) - refactor(cli): Prepare for clap v4 (rust-lang/cargo#11116) - fix(cli): Error trailing args rather than ignore (rust-lang/cargo#11119) - Add a minor clarification (rust-lang/cargo#11093) - doc(changelog): mention CVE fixes (rust-lang/cargo#11104)
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What does this PR try to resolve?
Some linkers do not remove the executable, but truncate and modify it.
That results in the old hard-link being modified even after renamed.
We delete the old artifact here to prevent this behavior from confusing users.
Fixes #11101; fixes #8348
How should we test and review this PR?
I can only reproduce the original issue on x86_64-pc-windows-msvc with linker.exe. If you can reproduce it on Linux, please share which linker you're using.
New (?) dev-dependency
same-fileis already in our dependency graph (dependents: walkdir, ignore, cargo-util), so adding it todev-dependencieswon't affect much.