Ignore remap-path-prefix in metadata hash. #6966
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r? @nrc (rust_highfive has picked a reviewer for you, use r? to override) |
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I'm personally comfortable with this strategy and r=me on the implementation, but I figure we should give a few days for others to take a look. |
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I'd be glad to test this (I'm the original reporter of rust-lang/rust#59542) but I'll need some guidance (as I mentioned, my rust background is lacking) -- is it sufficient to pull c8a9f88 and build that? Or do I need to pull a bunch of other infrastructure/updates as well? |
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@jhfrontz Yea, you should be able to pull and build that and use that as your cargo. Cargo does have a few external dependencies to build itself (documented in the top-level README of this repo). Let me know if you have any questions or issues. |
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Tested against c8a9f88: confirmed that it restores determinism to our build process. |
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It looks good to me, and no one spoke up in the past 17 days. |
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📌 Commit c8a9f88 has been approved by |
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Ignore remap-path-prefix in metadata hash. Including this flag in the metadata hash causes problems with reproducible builds. I spent some time considering the different alternatives (such as providing a config option, or an unhashed RUSTFLAGS alternative), and decided this might be the best option. - It is a very simple, small change. - It should be safe. - It is transparent to the user, they don't need to do anything special. - It doesn't expand Cargo's interface. Fixes #6914.
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☀️ Test successful - checks-travis, status-appveyor |
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Jun 12, 2019
Update cargo Update cargo 19 commits in 545f354259be4e9745ea00a524c0e4c51df01aa6..807429e1b6da4e2ec52488ef2f59e77068c31e1f 2019-05-23 17:45:30 +0000 to 2019-06-11 14:06:10 +0000 - Stabilize publish-lockfile. (rust-lang/cargo#7026) - change package cache lock message (rust-lang/cargo#7029) - Fix documenting an example. (rust-lang/cargo#7023) - Fix nonconcurrent tests (rust-lang/cargo#6900) - Update git2 crates for libgit2 0.28 (rust-lang/cargo#7018) - fix bunch of clippy warnings (rust-lang/cargo#7019) - Ignore remap-path-prefix in metadata hash. (rust-lang/cargo#6966) - Don't synthesize feature diretives for non-optional deps (rust-lang/cargo#7010) - Handle pipelined tests of libraries (rust-lang/cargo#7008) - Import the cargo-vendor subcommand into Cargo (rust-lang/cargo#6869) - Remove unnecessary outlives bounds (rust-lang/cargo#7000) - Catch filename output collisions in rustdoc. (rust-lang/cargo#6998) - the testing SAT solver was messed up by a refactor (rust-lang/cargo#6995) - Add some hints to the docs for `cfg()` targets (rust-lang/cargo#6990) - Test the Resolver against the varisat Library (rust-lang/cargo#6980) - Update changelog. (rust-lang/cargo#6984) - Update cache-messages tracking issue. (rust-lang/cargo#6987) - zsh: Add --all-targets option to cargo-check and cargo-build (rust-lang/cargo#6985) - Fix typo (rust-lang/cargo#6982)
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Jun 14, 2019
Update cargo Update cargo 19 commits in 545f354259be4e9745ea00a524c0e4c51df01aa6..807429e1b6da4e2ec52488ef2f59e77068c31e1f 2019-05-23 17:45:30 +0000 to 2019-06-11 14:06:10 +0000 - Stabilize publish-lockfile. (rust-lang/cargo#7026) - change package cache lock message (rust-lang/cargo#7029) - Fix documenting an example. (rust-lang/cargo#7023) - Fix nonconcurrent tests (rust-lang/cargo#6900) - Update git2 crates for libgit2 0.28 (rust-lang/cargo#7018) - fix bunch of clippy warnings (rust-lang/cargo#7019) - Ignore remap-path-prefix in metadata hash. (rust-lang/cargo#6966) - Don't synthesize feature diretives for non-optional deps (rust-lang/cargo#7010) - Handle pipelined tests of libraries (rust-lang/cargo#7008) - Import the cargo-vendor subcommand into Cargo (rust-lang/cargo#6869) - Remove unnecessary outlives bounds (rust-lang/cargo#7000) - Catch filename output collisions in rustdoc. (rust-lang/cargo#6998) - the testing SAT solver was messed up by a refactor (rust-lang/cargo#6995) - Add some hints to the docs for `cfg()` targets (rust-lang/cargo#6990) - Test the Resolver against the varisat Library (rust-lang/cargo#6980) - Update changelog. (rust-lang/cargo#6984) - Update cache-messages tracking issue. (rust-lang/cargo#6987) - zsh: Add --all-targets option to cargo-check and cargo-build (rust-lang/cargo#6985) - Fix typo (rust-lang/cargo#6982)
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Jun 18, 2019
Update cargo Update cargo 19 commits in 545f354259be4e9745ea00a524c0e4c51df01aa6..807429e1b6da4e2ec52488ef2f59e77068c31e1f 2019-05-23 17:45:30 +0000 to 2019-06-11 14:06:10 +0000 - Stabilize publish-lockfile. (rust-lang/cargo#7026) - change package cache lock message (rust-lang/cargo#7029) - Fix documenting an example. (rust-lang/cargo#7023) - Fix nonconcurrent tests (rust-lang/cargo#6900) - Update git2 crates for libgit2 0.28 (rust-lang/cargo#7018) - fix bunch of clippy warnings (rust-lang/cargo#7019) - Ignore remap-path-prefix in metadata hash. (rust-lang/cargo#6966) - Don't synthesize feature diretives for non-optional deps (rust-lang/cargo#7010) - Handle pipelined tests of libraries (rust-lang/cargo#7008) - Import the cargo-vendor subcommand into Cargo (rust-lang/cargo#6869) - Remove unnecessary outlives bounds (rust-lang/cargo#7000) - Catch filename output collisions in rustdoc. (rust-lang/cargo#6998) - the testing SAT solver was messed up by a refactor (rust-lang/cargo#6995) - Add some hints to the docs for `cfg()` targets (rust-lang/cargo#6990) - Test the Resolver against the varisat Library (rust-lang/cargo#6980) - Update changelog. (rust-lang/cargo#6984) - Update cache-messages tracking issue. (rust-lang/cargo#6987) - zsh: Add --all-targets option to cargo-check and cargo-build (rust-lang/cargo#6985) - Fix typo (rust-lang/cargo#6982)
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Including this flag in the metadata hash causes problems with reproducible builds.
I spent some time considering the different alternatives (such as providing a config option, or an unhashed RUSTFLAGS alternative), and decided this might be the best option.
Fixes #6914.