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cargo-checkmate

CICD Crates.io Stars

Perform a series of useful checks out of the box. cargo-checkmate ensures your project builds, tests pass, has good format, doesn't have dependencies with known vulnerabilities, and so on.

The philosophy is that you can just run it without configuration on most crates to catch as many issues as possible (with low false-positives). The rationale behind not having configuration is that checkmate failures should be the same for all developers (for a given version of cargo-checkmate) regardless of individual developer configurations.

How to use it

$ cargo install cargo-checkmate
...

$ cd /path/to/your/crate

$ cargo checkmate

running 7 cargo-checkmate phases
cargo-checkmate check... ok.
cargo-checkmate format... ok.
cargo-checkmate clippy... ok.
cargo-checkmate build... ok.
cargo-checkmate test... ok.
cargo-checkmate doc... ok.

cargo-checkmate result: ok. 6 passed; 0 failed

git hook

If your crate is in a git repo, you can verify each commit follows cargo checkmate checks by running it in a pre-commit git hook. You can install a pre-bundled git hook that does precisely that:

$ cargo checkmate git-hook install
cargo-checkmate git-hook installed: ".git/hooks/pre-commit"

Now commits are checked:

$ touch foo
$ git add foo
$ git commit -m 'Demo cargo checkmate git-hook usage.'

cargo checkmate git-hook:
Removing prior log directory: ./target/cargo-checkmate/logs

running 6 cargo-checkmate phases
cargo-checkmate check... ok.
cargo-checkmate format... ok.
cargo-checkmate build... ok.
cargo-checkmate test... ok.
cargo-checkmate doc... ok.

cargo-checkmate result: ok. 5 passed; 0 failed
[master 6e3230a] Demo cargo checkmate git-hook usage.
 1 file changed, 0 insertions(+), 0 deletions(-)
 create mode 100644 src/foo

If you want to intentionally skip the checks for a commit, git provides the git commit --no-verify flag. If you change your mind, you can likewise uninstall:

$ cargo checkmate git-hook uninstall
cargo-checkmate git-hook uninstalled: ".git/hooks/pre-commit"

Both install & uninstall try to be very careful about not clobbering any unrecognized pre-commit hook in case you already have a custom one:

$ cargo checkmate git-hook install
cargo-checkmate git-hook installed: ".git/hooks/pre-commit"

$ cargo checkmate git-hook install
cargo-checkmate git-hook already installed: ".git/hooks/pre-commit"

$ echo 'blah' > .git/hooks/pre-commit

$ cargo checkmate git-hook uninstall
cargo-checkmate unrecognized git-hook: ".git/hooks/pre-commit"
Error: Custom { kind: Other, error: "Unrecongized git-hook: \".git/hooks/pre-commit\"" }

$ cargo checkmate git-hook install
cargo-checkmate unrecognized git-hook: ".git/hooks/pre-commit"
Error: Custom { kind: Other, error: "Unrecongized git-hook: \".git/hooks/pre-commit\"" }

GitHub CI

If you use GitHub, you can install a GitHub Action which runs cargo-checkmate on each push and pull_request event:

$ cargo checkmate github-ci install
cargo-checkmate GitHub CI installed: "/path/to/your/crate/.github/workflows/cargo-checkmate.yaml"

You must commit this to your repository separately from this command.

The install/uninstall behavior is the same logic as for the git-hook subcommand, with care not to delete or overwrite unexpected file contents.

Logs

Each check phase logs both stdout and stderr into ./target/cargo-checkmate/logs:

$ cat ./target/cargo-checkmate/logs/doc.stderr
 Documenting cargo-checkmate v0.1.2 (/home/user/hack/cargo-checkmate)
    Finished dev [unoptimized + debuginfo] target(s) in 1.67s

On each run, any pre-existing logs are first removed, and this fact is reported:

$ cargo checkmate
Removing prior log directory: ./target/cargo-checkmate/logs

running 6 cargo-checkmate phases
cargo-checkmate check... ok.
cargo-checkmate format... ok.
cargo-checkmate build... ok.
cargo-checkmate test... ok.
cargo-checkmate doc... ok.

cargo-checkmate result: ok. 5 passed; 0 failed

Failures

If any phase fails, the stdout/stderr logs are displayed automatically:

$ # Introduce a poorly formatted unit test:
$ echo '#[test] fn bad_format() {}' >> src/main.rs
$ cargo checkmate
Removing prior log directory: ./target/cargo-checkmate/logs

running 6 cargo-checkmate phases
cargo-checkmate check... ok.
cargo-checkmate format... FAILED.
cargo-checkmate build... ok.
cargo-checkmate test... ok.
cargo-checkmate doc... ok.

failures:

---- cargo-checkmate format ----
+ ./target/cargo-checkmate/logs/format.stdout:
| Diff in /home/user/hack/cargo-checkmate/src/main.rs at line 17:
|      let check = Check::parse_args(std::env::args())?;
|      check.execute()
|  }
| -#[test] fn bad_format() {}
| +#[test]
| +fn bad_format() {}
|

cargo-checkmate result: FAILED. 4 passed; 1 failed