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rustc --print doesn't list valid options #128930

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ChrisDenton opened this issue Aug 10, 2024 · 1 comment · Fixed by #128961 or #130473
Closed

rustc --print doesn't list valid options #128930

ChrisDenton opened this issue Aug 10, 2024 · 1 comment · Fixed by #128961 or #130473
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A-CLI Area: Command-line interface (CLI) to the compiler C-enhancement Category: An issue proposing an enhancement or a PR with one. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.

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@ChrisDenton
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I tried using rustc --print and found the error message is very terse:

> rustc --print
error: Argument to option 'print' missing

Using an invalid option does list the valid ones:

> rustc --print help
error: unknown print request: `help`
  |
  = help: valid print requests are: `all-target-specs-json`, `calling-conventions`, `cfg`, `check-cfg`, `code-models`, `crate-name`, `deployment-target`, `file-names`, `link-args`, `native-static-libs`, `relocation-models`, `split-debuginfo`, `stack-protector-strategies`, `sysroot`, `target-cpus`, `target-features`, `target-libdir`, `target-list`, `target-spec-json`, `tls-models`

rustc --version --verbose

rustc 1.82.0-nightly (8b3870784 2024-08-07)
binary: rustc
commit-hash: 8b3870784f69d8ed2ae4246d1b56f150e3131499
commit-date: 2024-08-07
host: x86_64-pc-windows-msvc
release: 1.82.0-nightly
LLVM version: 19.1.0
@ChrisDenton ChrisDenton added the A-CLI Area: Command-line interface (CLI) to the compiler label Aug 10, 2024
@rustbot rustbot added the needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. label Aug 10, 2024
@GKFX GKFX mentioned this issue Aug 11, 2024
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@GKFX
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GKFX commented Aug 11, 2024

@rustbot label +T-compiler +C-enhancement -needs-triage

@rustbot rustbot added C-enhancement Category: An issue proposing an enhancement or a PR with one. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. and removed needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. labels Aug 11, 2024
fee1-dead added a commit to fee1-dead-contrib/rust that referenced this issue Sep 17, 2024
@fee1-dead
Rollup merge of rust-lang#128961 - GKFX:issue-128930-explain-missing-…
9b91d67 
…option, r=jieyouxu

Fix rust-lang#128930: Print documentation of CLI options missing their arg

Fix rust-lang#128930. Failing to give an argument to CLI options which require it now prints something like:
```
$ rustc --print
error: Argument to option 'print' missing
       Usage:
           --print [crate-name|file-names|sysroot|target-libdir|cfg|check-cfg|calling-conventions|target-list|target-cpus|target-features|relocation-models|code-models|tls-models|target-spec-json|all-target-specs-json|native-static-libs|stack-protector-strategies|link-args|deployment-target]
                               Compiler information to print on stdout
```
@fee1-dead fee1-dead mentioned this issue Sep 17, 2024
Closed
bors added a commit to rust-lang-ci/rust that referenced this issue Sep 17, 2024
@bors
Auto merge of rust-lang#130461 - fee1-dead-contrib:rollup-lbf8gqt, r=…
466c6fd 
…fee1-dead

Rollup of 8 pull requests

Successful merges:

 - rust-lang#128961 (Fix rust-lang#128930: Print documentation of CLI options missing their arg)
 - rust-lang#129073 (Relate receiver invariantly in method probe for `Mode::Path`)
 - rust-lang#129674 (Add new_cyclic_in for Rc and Arc)
 - rust-lang#130201 (Encode `coroutine_by_move_body_def_id` in crate metadata)
 - rust-lang#130275 (Don't call `extern_crate` when local crate name is the same as a dependency and we have a trait error)
 - rust-lang#130440 (Don't ICE in `opaque_hidden_inferred_bound` lint for RPITIT in trait with no default method body)
 - rust-lang#130454 (tests: allow trunc/select instructions to be missing)
 - rust-lang#130458 (`rustc_codegen_ssa` cleanups)

r? `@ghost`
`@rustbot` modify labels: rollup
matthiaskrgr added a commit to matthiaskrgr/rust that referenced this issue Sep 17, 2024
@matthiaskrgr
Rollup merge of rust-lang#128961 - GKFX:issue-128930-explain-missing-…
fe3428d 
…option, r=jieyouxu

Fix rust-lang#128930: Print documentation of CLI options missing their arg

Fix rust-lang#128930. Failing to give an argument to CLI options which require it now prints something like:
```
$ rustc --print
error: Argument to option 'print' missing
       Usage:
           --print [crate-name|file-names|sysroot|target-libdir|cfg|check-cfg|calling-conventions|target-list|target-cpus|target-features|relocation-models|code-models|tls-models|target-spec-json|all-target-specs-json|native-static-libs|stack-protector-strategies|link-args|deployment-target]
                               Compiler information to print on stdout
```
@matthiaskrgr matthiaskrgr mentioned this issue Sep 17, 2024
Merged
bors added a commit to rust-lang-ci/rust that referenced this issue Sep 17, 2024
@bors
Auto merge of rust-lang#130473 - matthiaskrgr:rollup-lf29374, r=matth…
f609b7e 
…iaskrgr

Rollup of 9 pull requests

Successful merges:

 - rust-lang#128535 (Format `std::env::consts` docstrings with markdown backticks)
 - rust-lang#128961 (Fix rust-lang#128930: Print documentation of CLI options missing their arg)
 - rust-lang#129988 (Use `Vec` in `rustc_interface::Config::locale_resources`)
 - rust-lang#130201 (Encode `coroutine_by_move_body_def_id` in crate metadata)
 - rust-lang#130275 (Don't call `extern_crate` when local crate name is the same as a dependency and we have a trait error)
 - rust-lang#130314 (Use the same precedence for all macro-like exprs)
 - rust-lang#130440 (Don't ICE in `opaque_hidden_inferred_bound` lint for RPITIT in trait with no default method body)
 - rust-lang#130458 (`rustc_codegen_ssa` cleanups)
 - rust-lang#130469 (Mark `where_clauses_object_safety` as removed)

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors closed this as completed in 6360287 Sep 17, 2024
rust-timer added a commit to rust-lang-ci/rust that referenced this issue Sep 17, 2024
@rust-timer
Unrolled build for rust-lang#128961
1ddb2ef 
Rollup merge of rust-lang#128961 - GKFX:issue-128930-explain-missing-option, r=jieyouxu

Fix rust-lang#128930: Print documentation of CLI options missing their arg

Fix rust-lang#128930. Failing to give an argument to CLI options which require it now prints something like:
```
$ rustc --print
error: Argument to option 'print' missing
       Usage:
           --print [crate-name|file-names|sysroot|target-libdir|cfg|check-cfg|calling-conventions|target-list|target-cpus|target-features|relocation-models|code-models|tls-models|target-spec-json|all-target-specs-json|native-static-libs|stack-protector-strategies|link-args|deployment-target]
                               Compiler information to print on stdout
```
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A-CLI Area: Command-line interface (CLI) to the compiler C-enhancement Category: An issue proposing an enhancement or a PR with one. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
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