Command-line Reference

Every subcommand the once binary exposes, with its synopsis, options, and arguments. Use the sidebar to jump to a specific command.

Commands#

• once auth: Authenticate with a configured provider.
• once bazel: Accept a Bazel build or test invocation and use the Once graph when its semantics are supported. Other invocations pass through to the system Bazel executable unchanged. Configure this as a mise command wrapper to make ordinary bazel commands use this compatibility surface.
• once build: Build a declared target.
• once cache: Cache management.
• once cargo: Accept a Cargo build or test invocation and use the Once graph when its semantics are supported. Other invocations pass through to the system Cargo executable unchanged. Configure this as a mise command wrapper to make ordinary cargo commands use this compatibility surface.
• once edit: Mutate workspace manifests.
• once exec: Execute a literal action through the cache.
• once lint: Run static analysis for a declared target.
• once mcp: Expose Once's graph and memory queries to a coding agent.
• once query: Query the typed build graph
• once run: Run a declared target.
• once runtime: Runtime session inspection and control.
• once swift: Accept a Swift Package Manager build or test invocation and use the Once graph when its semantics are supported. Other invocations pass through to the system Swift executable unchanged. Configure this as a mise command wrapper to make ordinary swift commands use this compatibility surface.
• once test: Test a declared target.
• once toolchain: Inspect the project toolchain contract.
• once xcodebuild: Accept an Xcode build invocation and use the Once graph when its semantics are supported. Other invocations pass through to the system Xcode build tool unchanged. Configure this as a mise command wrapper to make ordinary xcodebuild commands use this compatibility surface.