jbuilder-runtest man page

jbuilder-runtest ā€” Run tests.


jbuilder runtest [OPTION]... [DIR]...


This is a short-hand for calling:

  jbuilder build @runtest


-f, --force

Force actions associated to aliases to be re-executed even if their dependencies haven't changed.

--help[=FMT] (default=auto)

Show this help in format FMT. The value FMT must be one of `auto', `pager', `groff' or `plain'. With `auto', the format is `pager` or `plain' whenever the TERM env var is `dumb' or undefined.


Show version information.

Common Options

These options are common to all commands.


Automatically promote files. This is similar to running jbuilder promote after the build.


Always print exception backtraces.


In case of error, print the dependency path from the targets on the command line to the rule that failed.


Debug the findlib sub-system.


Use stricter compilation flags by default.


Shell command to use to diff files


Ignore rules with (mode promote)

-j JOBS (absent=4)

Run no more than JOBS commands simultaneously.


Do not buffer the output of commands executed by jbuilder. By default jbuilder buffers the output of subcommands, in order to prevent interleaving when multiple commands are executed in parallel. However, this can be an issue when debugging long running tests. With --no-buffer, commands have direct access to the terminal. Note that as a result their output won't be captured in the log file. You should use this option in conjunction with -j 1, to avoid interleaving. Additionally you should use --verbose as well, to make sure that commands are printed before they are being executed.


Ignore stanzas referring to a package that is not in PACKAGES. PACKAGES is a comma-separated list of package names. Note that this has the same effect as deleting the relevant stanzas from jbuild files. It is mostly meant for releases. During development, it is likely that what you want instead is to build a particular <package>.install target.

-p PACKAGES, --for-release-of-packages=PACKAGES

Shorthand for --root . --only-packages PACKAGE --promote ignore. You must use this option in your <package>.opam files, in order to build only what's necessary when your project contains multiple packages as well as getting reproducible builds.


Use this directory as workspace root instead of guessing it. Note that this option doesn't change the interpretation of targets given on the command line. It is only intended for scripts.


Print detailed information about commands being run


Use this specific workspace file instead of looking it up.

-x VAL

Cross-compile using this toolchain.

More Help

Use `jbuilder COMMAND --help' for help on a single command.


Check bug reports at https://github.com/ocaml/dune/issues


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