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Migrate bootstrap to Clap-based argument parsing - #110693

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clubby789:x-clap-take-2
May 7, 2023
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Migrate bootstrap to Clap-based argument parsing#110693
bors merged 1 commit into
rust-lang:masterfrom
clubby789:x-clap-take-2

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@clubby789

@clubby789clubby789 commented Apr 22, 2023

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Supercedes #108083

I chose to re-do the work rather than rebase the onto the large changes since the original PR. If it's preferred I can instead force-push the original PR to this version.

cc @jyn514@albertlarsan68

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rustbot commented Apr 22, 2023

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r? @albertlarsan68

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@rustbotrustbot added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Apr 22, 2023
@clubby789clubby789 changed the title Migrate bootstrap to Clap-based argumentsMigrate bootstrap to Clap-based argument parsingApr 22, 2023
@rustbotrustbot added the T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) label Apr 22, 2023
@clubby789clubby789 mentioned this pull request Apr 22, 2023
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albertlarsan68
albertlarsan68 reviewed Apr 22, 2023
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LGTM, but I would like to have another pair of eyes.
r? @Mark-Simulacrum

@albertlarsan68albertlarsan68 self-assigned this Apr 22, 2023
@jyn514jyn514 mentioned this pull request Apr 26, 2023
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@clubby789

clubby789 commented May 5, 2023

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Rebased and preserved the behaviour of --warnings warn, which is not currently documented

@Mark-Simulacrum

Mark-Simulacrum commented May 6, 2023

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@bors r+ rollup=never

This seems broadly OK to me. I think the compile-time impact is minimal enough for now, we can iterate further if needed. clap is pretty minimal in terms of additional compile times that it itself contributes.

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bors commented May 6, 2023

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📌 Commit 8b39d2d4b61b52febd7b2b15e7d1b5d6532420a5 has been approved by Mark-Simulacrum

It is now in the queue for this repository.

@borsbors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels May 6, 2023
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bors commented May 6, 2023

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⌛ Testing commit 8b39d2d4b61b52febd7b2b15e7d1b5d6532420a5 with merge ef5365067f707662ca25b69e14c1a24d5f3ec5da...

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bors commented May 6, 2023

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💔 Test failed - checks-actions

@borsbors added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels May 6, 2023
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@clubby789

clubby789 commented May 6, 2023

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Going to try and debug this now

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clubby789 commented May 6, 2023

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Clap was parsing --host="" as a single TargetSelection with empty contents. Added some logic to instead parse this as an empty list

@Noratrieb

Noratrieb commented May 6, 2023

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@bors retry

@borsbors removed the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label May 6, 2023
@borsbors added the S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. label May 6, 2023
@Noratrieb

Noratrieb commented May 6, 2023

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Wait actually I think
@bors r=Mark-Simulacrum
is more correct here, i dont know what retry does here

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bors commented May 6, 2023

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📌 Commit 32e27cc has been approved by Mark-Simulacrum

It is now in the queue for this repository.

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bors commented May 7, 2023

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⌛ Testing commit 32e27cc with merge 70a779c...

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bors commented May 7, 2023

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☀️ Test successful - checks-actions
Approved by: Mark-Simulacrum
Pushing 70a779c to master...

@borsbors added the merged-by-bors This PR was explicitly merged by bors. label May 7, 2023
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bors merged commit 70a779c into rust-lang:masterMay 7, 2023
@rustbotrustbot added this to the 1.71.0 milestone May 7, 2023
@borsbors mentioned this pull request May 7, 2023
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rust-timer commented May 7, 2023

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Finished benchmarking commit (70a779c): comparison URL.

Overall result: ✅ improvements - no action needed

@rustbot label: -perf-regression

Instruction count

This is a highly reliable metric that was used to determine the overall result at the top of this comment.

meanrangecount
Regressions ❌
(primary)		--0
Regressions ❌
(secondary)		--0
Improvements ✅
(primary)		-1.5%[-2.8%, -0.5%]5
Improvements ✅
(secondary)		-5.2%[-7.5%, -0.2%]7
All ❌✅ (primary)-1.5%[-2.8%, -0.5%]5

Max RSS (memory usage)

Results

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

meanrangecount
Regressions ❌
(primary)		--0
Regressions ❌
(secondary)		--0
Improvements ✅
(primary)		-4.4%[-4.8%, -4.1%]3
Improvements ✅
(secondary)		-2.3%[-3.3%, -1.0%]3
All ❌✅ (primary)-4.4%[-4.8%, -4.1%]3

Cycles

Results

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

meanrangecount
Regressions ❌
(primary)		--0
Regressions ❌
(secondary)		--0
Improvements ✅
(primary)		--0
Improvements ✅
(secondary)		-4.7%[-5.3%, -4.5%]6
All ❌✅ (primary)--0

Binary size

This benchmark run did not return any relevant results for this metric.

Bootstrap: 654.308s -> 653.509s (-0.12%)

@albertlarsan68

albertlarsan68 commented May 9, 2023

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This is some big noise, this PR only touches bootstrap, not Rustc.

@clubby789clubby789 mentioned this pull request May 9, 2023
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bors added a commit to rust-lang-ci/rust that referenced this pull request May 14, 2023
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Auto merge ofrust-lang#111388- clubby789:clap-complete, r=jyn514
2e18605
Generate shell completions for bootstrap with Clap
Now that rust-lang#110693 has been merged, we can look at generating shell completions for x.py with `clap_complete`. Leaving this as draft for now as I'm not sure of the best way to integration the completion generator. Additionally, the generated completions for zsh are completely broken (will need to be resolved upstream, it doesn't seem to handle subcommands + global arguments well).
I don't have Fish installed and would be interested to know how well completions work there.
Alternative to rust-lang#107827
@jyn514jyn514 mentioned this pull request May 29, 2025
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merged-by-borsThis PR was explicitly merged by bors.S-waiting-on-borsStatus: Waiting on bors to run and complete tests. Bors will change the label on completion.T-bootstrapRelevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)

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