clippy.toml

# clippy.toml — substrate MCP server
# Lint baseline per ADR-0014 and ADR-0043.
# NOTE: workspace-level [workspace.lints.clippy] in Cargo.toml is the primary
# enforcement mechanism. This file tunes thresholds and disallowed-methods/types.

msrv = "1.95.0"

# Complexity thresholds
type-complexity-threshold = 250
too-many-arguments-threshold = 7
cognitive-complexity-threshold = 25

# Forbidden methods — ADR-0044 no-subprocess policy.
# Both std and tokio variants are blocked; use nix/libc syscalls directly.
disallowed-methods = [
  { path = "std::process::Command::new",   reason = "Forbidden by ADR-0044: no-subprocess policy. Use nix/libc syscalls." },
  { path = "tokio::process::Command::new", reason = "Forbidden by ADR-0044: no-subprocess policy. Use nix/libc syscalls.", allow-invalid = true },
]

# Forbidden types — complementary to the method bans above.
disallowed-types = [
  { path = "std::process::Command",   reason = "Forbidden by ADR-0044" },
  { path = "tokio::process::Command", reason = "Forbidden by ADR-0044", allow-invalid = true },
  { path = "std::process::Child",     reason = "Forbidden by ADR-0044 (result of spawning a subprocess)" },
]