Keep "xtask" as a top-level command

TC felt that it would be better to stay with a more conventional style
to avoid confusion.

Author: ehuss

.cargo/config.toml

@@ -1,4 +1,2 @@
 [alias]
-style-check = "run --manifest-path=style-check/Cargo.toml -- src"
-linkcheck = "run --manifest-path=xtask/Cargo.toml -- linkcheck"
-test-all = "run --manifest-path=xtask/Cargo.toml -- test-all"
+xtask = "run --manifest-path=xtask/Cargo.toml"

docs/authoring.md

@@ -28,7 +28,7 @@ This document serves as a guide for editors and reviewers. Some conventions and
     ```
 * See the [Conventions] section for formatting callouts such as notes, edition differences, and warnings.
 
-There are automated checks for some of these rules. Run `cargo style-check` to run them locally.
+There are automated checks for some of these rules. Run `cargo xtask style-check` to run them locally.
 
 [atx]: https://spec.commonmark.org/0.31.2/#atx-headings
 [conventions]: ../src/introduction.md#conventions
@@ -62,11 +62,11 @@ You can verify the samples pass by running `mdbook test`.
 
 ### Linkcheck
 
-To verify that links are not broken, run `cargo linkcheck`.
+To verify that links are not broken, run `cargo xtask linkcheck`.
 
 ### Running all tests
 
-As a last step before opening a PR, it is recommended to run `cargo test-all`. This will go through and run most of the tests that are required for CI to pass. See `xtask/src/main.rs` for what all this does.
+As a last step before opening a PR, it is recommended to run `cargo xtask test-all`. This will go through and run most of the tests that are required for CI to pass. See `xtask/src/main.rs` for what all this does.
 
 ## Special markdown constructs
 

xtask/src/main.rs

@@ -17,12 +17,13 @@ fn main() -> Result<()> {
             eprintln!("all tests passed!");
         }
         Some("linkcheck") => linkcheck(args)?,
+        Some("style-check") => style_check()?,
         Some(x) => {
             eprintln!("error: unknown command `{x}` (valid options: linkcheck)");
             exit(1);
         }
         None => {
-            eprintln!("error: specify a command (valid options: linkcheck)");
+            eprintln!("error: specify a command (valid options: linkcheck, style-check, test-all)");
             exit(1);
         }
     }