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dune-exec(1) Dune Manual dune-exec(1) NAME dune-exec - Execute a command in a similar environment as if installation was performed. SYNOPSIS dune exec [OPTION]... PROG [ARGS]... DESCRIPTION dune exec -- COMMAND should behave in the same way as if you do: $ dune install $ COMMAND In particular if you run dune exec ocaml, you will have access to the libraries defined in the workspace using your usual directives (#require for instance) When a leading / is present in the command (absolute path), then the path is interpreted as an absolute path When a / is present at any other position (relative path), then the path is interpreted as relative to the build context + current working directory (or the value of --root when ran outside of the project root) OPTIONS --context=CONTEXT (absent=default) Run the command in this build context. -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. --no-build don't rebuild target before executing --version Show version information. -w, --watch Instead of terminating build after completion, wait continuously for file changes. COMMON OPTIONS These options are common to all commands. --always-show-command-line Always show the full command lines of programs executed by dune --auto-promote Automatically promote files. This is similar to running dune promote after the build. --build-dir=FILE (absent DUNE_BUILD_DIR env) Specified build directory. _build if unspecified --config-file=FILE Load this configuration file instead of the default one. --debug-backtraces Always print exception backtraces. --debug-dependency-path In case of error, print the dependency path from the targets on the command line to the rule that failed. --debug-findlib Debug the findlib sub-system. --default-target=TARGET Set the default target that when none is specified to dune build. It defaults to @@default. --dev Same as --profile dev --diff-command=VAL Shell command to use to diff files. Use - to disable printing the diff. --display=MODE Control the display mode of Dune. See dune-config(5) for more details. --ignore-promoted-rules Ignore rules with (mode promote), except ones with (only ...) -j JOBS Run no more than JOBS commands simultaneously. --no-buffer Do not buffer the output of commands executed by dune. By default dune 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. --no-config Do not load the configuration file --no-print-directory Suppress "Entering directory" messages --only-packages=PACKAGES 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 --ignore-promoted-rules --no-config --profile release. 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. --profile=VAL (absent DUNE_PROFILE env) Select the build profile, for instance dev or release. The default is dev. --root=DIR 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. --store-orig-source-dir (absent DUNE_STORE_ORIG_SOURCE_DIR env) Store original source location in dune-package metadata --trace-file=FILE Output trace data in catapult format (compatible with chrome://tracing) --verbose Same as --display verbose --workspace=FILE (absent DUNE_WORKSPACE env) Use this specific workspace file instead of looking it up. -x VAL Cross-compile using this toolchain. MORE HELP Use `dune COMMAND --help' for help on a single command. ENVIRONMENT These environment variables affect the execution of exec: DUNE_BUILD_DIR Specified build directory. _build if unspecified DUNE_PROFILE Build profile. dev if unspecified or release if -p is set. DUNE_STORE_ORIG_SOURCE_DIR Store original source location in dune-package metadata DUNE_WORKSPACE Use this specific workspace file instead of looking it up. BUGS Check bug reports at https://github.com/ocaml/dune/issues Dune 11VERSION11 dune-exec(1)
NAME | SYNOPSIS | DESCRIPTION | OPTIONS | COMMON OPTIONS | MORE HELP | ENVIRONMENT | BUGS
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