bootstrap.py: Suggest disabling download-ci-llvm option if url fails to download#93885
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@bors r+ rollup This seems pretty positive to me. |
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…rk-Simulacrum bootstrap.py: Suggest disabling download-ci-llvm option if url fails to download I got an error when trying to build the compiler using an old commit, and it turns out it was because the option `download-ci-llvm` was implicitly set to true. So this pull request tries to add a help message for other people that may run into the same problem. To reproduce my error: ``` git checkout 8d7707f ./x.py test [...] spurious failure, trying again downloading https://ci-artifacts.rust-lang.org/rustc-builds/db002a06ae9154a35d410550bc5132df883d7baa/rust-dev-nightly-x86_64-unknown-linux-gnu.tar.xz curl: (22) The requested URL returned error: 404 failed to run: curl -# -y 30 -Y 10 --connect-timeout 30 --retry 3 -Sf -o /tmp/tmp8g13rb4n https://ci-artifacts.rust-lang.org/rustc-builds/db002a06ae9154a35d410550bc5132df883d7baa/rust-dev-nightly-x86_64-unknown-linux-gnu.tar.xz Build completed unsuccessfully in 0:00:46 ``` This is my `config.toml`: ``` # Includes one of the default files in src/bootstrap/defaults profile = "compiler" changelog-seen = 2 [rust] debug = true ``` To reproduce an error with this branch: Change line 618 of bootstrap.py to ``` url = "rustc-builds-error404/{}".format(llvm_sha) ``` Delete llvm and cached tarball, and set `llvm.download-ci-llvm=true` in config.toml. ``` ./x.py test [...] spurious failure, trying again downloading https://ci-artifacts.rust-lang.org/rustc-builds-error404/719b04ca99be0c78e09a8ec5e2eda082a5d8ccae/rust-dev-nightly-x86_64-unknown-linux-gnu.tar.xz curl: (22) The requested URL returned error: 404 failed to run: curl -# -y 30 -Y 10 --connect-timeout 30 --retry 3 -Sf -o /tmp/tmpesl1ydvo https://ci-artifacts.rust-lang.org/rustc-builds-error404/719b04ca99be0c78e09a8ec5e2eda082a5d8ccae/rust-dev-nightly-x86_64-unknown-linux-gnu.tar.xz error: failed to download llvm from ci help: old builds get deleted after a certain time help: if trying to compile an old commit of rustc, disable `download-ci-llvm` in config.toml: [llvm] download-ci-llvm = false Build completed unsuccessfully in 0:00:01 ``` Regarding the implementation, I expected to be able to use a try/catch block in `_download_ci_llvm`, but the `run` function calls `sys.exit` instead of raising an exception so that's not possible. Also, suggestions for better wording of the help message are welcome.
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src/bootstrap/bootstrap.py
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| if code != 0: | ||
| err = "failed to run: " + ' '.join(args) | ||
| if help_on_error is not None: | ||
| err = f"{err}\n{help_on_error}" |
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Unfortunately we cannot use f-strings, which are Python 3.6+. x.py is currently required to be compatible with Python 2.x though there are discussions about bumping it to Python 3 (Zulip thread).
This caused the rollup failure in #93929.
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…rk-Simulacrum bootstrap.py: Suggest disabling download-ci-llvm option if url fails to download I got an error when trying to build the compiler using an old commit, and it turns out it was because the option `download-ci-llvm` was implicitly set to true. So this pull request tries to add a help message for other people that may run into the same problem. To reproduce my error: ``` git checkout 8d7707f ./x.py test [...] spurious failure, trying again downloading https://ci-artifacts.rust-lang.org/rustc-builds/db002a06ae9154a35d410550bc5132df883d7baa/rust-dev-nightly-x86_64-unknown-linux-gnu.tar.xz curl: (22) The requested URL returned error: 404 failed to run: curl -# -y 30 -Y 10 --connect-timeout 30 --retry 3 -Sf -o /tmp/tmp8g13rb4n https://ci-artifacts.rust-lang.org/rustc-builds/db002a06ae9154a35d410550bc5132df883d7baa/rust-dev-nightly-x86_64-unknown-linux-gnu.tar.xz Build completed unsuccessfully in 0:00:46 ``` This is my `config.toml`: ``` # Includes one of the default files in src/bootstrap/defaults profile = "compiler" changelog-seen = 2 [rust] debug = true ``` To reproduce an error with this branch: Change line 618 of bootstrap.py to ``` url = "rustc-builds-error404/{}".format(llvm_sha) ``` Delete llvm and cached tarball, and set `llvm.download-ci-llvm=true` in config.toml. ``` ./x.py test [...] spurious failure, trying again downloading https://ci-artifacts.rust-lang.org/rustc-builds-error404/719b04ca99be0c78e09a8ec5e2eda082a5d8ccae/rust-dev-nightly-x86_64-unknown-linux-gnu.tar.xz curl: (22) The requested URL returned error: 404 failed to run: curl -# -y 30 -Y 10 --connect-timeout 30 --retry 3 -Sf -o /tmp/tmpesl1ydvo https://ci-artifacts.rust-lang.org/rustc-builds-error404/719b04ca99be0c78e09a8ec5e2eda082a5d8ccae/rust-dev-nightly-x86_64-unknown-linux-gnu.tar.xz error: failed to download llvm from ci help: old builds get deleted after a certain time help: if trying to compile an old commit of rustc, disable `download-ci-llvm` in config.toml: [llvm] download-ci-llvm = false Build completed unsuccessfully in 0:00:01 ``` Regarding the implementation, I expected to be able to use a try/catch block in `_download_ci_llvm`, but the `run` function calls `sys.exit` instead of raising an exception so that's not possible. Also, suggestions for better wording of the help message are welcome.
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…askrgr Rollup of 9 pull requests Successful merges: - rust-lang#89926 (make `Instant::{duration_since, elapsed, sub}` saturating and remove workarounds) - rust-lang#90532 (More informative error message for E0015) - rust-lang#93810 (Improve chalk integration) - rust-lang#93851 (More practical examples for `Option::and_then` & `Result::and_then`) - rust-lang#93885 (bootstrap.py: Suggest disabling download-ci-llvm option if url fails to download) - rust-lang#93886 (Stabilise inherent_ascii_escape (FCP in rust-lang#77174)) - rust-lang#93930 (add link to format_args! when mention it in docs) - rust-lang#93936 (Couple of driver cleanups) - rust-lang#93944 (Don't relabel to a team if there is already a team label) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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I got an error when trying to build the compiler using an old commit, and it turns out it was because the option
download-ci-llvmwas implicitly set to true. So this pull request tries to add a help message for other people that may run into the same problem.To reproduce my error:
This is my
config.toml:To reproduce an error with this branch:
Change line 618 of bootstrap.py to
Delete llvm and cached tarball, and set
llvm.download-ci-llvm=truein config.toml.Regarding the implementation, I expected to be able to use a try/catch block in
_download_ci_llvm, but therunfunction callssys.exitinstead of raising an exception so that's not possible. Also, suggestions for better wording of the help message are welcome.