diff options
Diffstat (limited to 'gnu/packages')
-rw-r--r-- | gnu/packages/ocaml.scm | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/gnu/packages/ocaml.scm b/gnu/packages/ocaml.scm index 4294d25efd..8a91a79c36 100644 --- a/gnu/packages/ocaml.scm +++ b/gnu/packages/ocaml.scm @@ -391,6 +391,69 @@ repository-wide uninstallability checks.") ;; with static-linking exception (license license:lgpl2.1+))) +(define-public ocaml-down + (package + (name "ocaml-down") + (version "0.0.3") + (source + (origin + (method url-fetch) + (uri (string-append "https://erratique.ch/software/down/releases/down-" + version ".tbz")) + (sha256 + (base32 + "1nz2f5j17frgr2vrslcz9klmi6w9sm2vqwwwpi33ngcm3rgmsrlg")))) + (build-system ocaml-build-system) + (arguments + `(#:tests? #f ;no tests + #:phases + (modify-phases %standard-phases + (delete 'configure)) + #:build-flags + (list "build" "--lib-dir" + (string-append (assoc-ref %outputs "out") "/lib/ocaml/site-lib")))) + (native-inputs + `(("ocaml-findlib" ,ocaml-findlib) + ("ocamlbuild" ,ocamlbuild) + ("ocaml-topkg" ,ocaml-topkg) + ("opam" ,opam))) + (home-page "https://erratique.ch/software/down") + (synopsis "OCaml toplevel (REPL) upgrade") + (description "Down is an unintrusive user experience upgrade for the +@command{ocaml} toplevel (REPL). + +Simply load the zero dependency @code{down} library in the @command{ocaml} +toplevel and you get line edition, history, session support and identifier +completion and documentation with @command{ocp-index}. + +Add this to your @file{~/.ocamlinit}: + +@example +#use \"down.top\" +@end example + +You may also need to add this to your @file{~/.ocamlinit} and declare +the environment variable @code{OCAML_TOPLEVEL_PATH}: + +@example +let () = + try Topdirs.dir_directory (Sys.getenv \"OCAML_TOPLEVEL_PATH\") + with Not_found -> () +@end example + +OR + +@example +let () = String.split_on_char ':' (Sys.getenv \"OCAMLPATH\") + |> List.filter (fun x -> Filename.check_suffix x \"/site-lib\") + |> List.map (fun x -> x ^ \"/toplevel\") + (* remove the line below if you don't want to see the text + every time you start the toplevel *) + |> List.map (fun x -> Printf.printf \"adding directory %s\\n\" x; x) + |> List.iter Topdirs.dir_directory;; +@end example") + (license license:isc))) + (define-public ocaml-opam-file-format (package (name "ocaml-opam-file-format") |