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|
(*─────────────────────────────────────────────────────────────────────────────┐
│ SPDX-FileCopyrightText: 2025 toastal <https://toast.al/contact/> │
│ SPDX-License-Identifier: LGPL-2.1-or-later WITH OCaml-LGPL-linking-exception │
└─────────────────────────────────────────────────────────────────────────────*)
let working_directory : [`Dir] Eio.Path.t option ref = ref None
let get () =
match !working_directory with
| Some dir -> dir
| None -> failwith "Working directory not set up"
let set ~directory =
working_directory := Some directory
let set_default ~env () =
let new_dir =
let cwd = Eio.Stdenv.cwd env in
Eio.Path.(cwd / "nix" / "tamal")
in
working_directory := Some new_dir
let pp_native_path =
Fmt.using
Eio.Path.native
(Fmt.option (fun ppf -> Fmt.pf ppf " @@ %a" Fmt.string))
(* Without the need for magic strings, we can use tabs in Nix! *)
let root_editor_config_content =
{|root = true
[*]
charset = utf-8
end_of_line = lf
indent_style = tab
insert_final_newline = true
trim_trailing_whitespace = true
[lock.json]
insert_final_newline = unset
|}
let root_ignore_content =
{|silo
|}
let set_up_editor_config ~dir ~content =
let editor_config_file = Eio.Path.(dir / ".editorconfig") in
Logs.info (fun m -> m "Writing new Nixtamal EditorConfig%a …" pp_native_path editor_config_file);
Eio.Path.with_open_out ~create: (`Or_truncate 0o644) editor_config_file @@ fun flow ->
Eio.Buf_write.with_flow flow @@ fun writer ->
Eio.Buf_write.string writer content
let set_up_ignore ~dir ~content =
let ignore_file = Eio.Path.(dir / ".ignore") in
Logs.info (fun m -> m "Writing new Nixtamal ignore%a …" pp_native_path ignore_file);
Eio.Path.with_open_out ~create: (`Or_truncate 0o644) ignore_file @@ fun flow ->
Eio.Buf_write.with_flow flow @@ fun writer ->
Eio.Buf_write.string writer content
let silo_dir = "silo"
let set_up_silo () =
let dir = Eio.Path.(get () / silo_dir) in
match Eio.Path.kind ~follow: true dir with
| `Directory ->
()
| `Not_found ->
Logs.info (fun m -> m "Making Nixtamal’s silo directory%a" pp_native_path dir);
Eio.Path.mkdirs ~perm: 0o755 dir;
| _ ->
failwith @@ Fmt.str "There is a Nixtamal path, but is not a directory%a" pp_native_path dir
let set_up_root () =
let dir = get () in
match Eio.Path.kind ~follow: true dir with
| `Not_found ->
Logs.info (fun m -> m "Making Nixtamal directory%a" pp_native_path dir);
Eio.Path.mkdirs ~perm: 0o755 dir;
set_up_editor_config ~dir ~content: root_editor_config_content;
set_up_silo ();
set_up_ignore ~dir ~content: root_ignore_content
| `Directory ->
Logs.warn (fun m -> m "Nixtamal directory already exists%a" pp_native_path dir)
| _ ->
failwith @@ Fmt.str "There is a Nixtamal path, but is not a directory%a" pp_native_path dir
let darcs_context_dir = "darcs_context"
let darcs_context_editor_config_content =
{|root = true
|}
let set_up_darcs_context_if_needed () : (unit, string) result =
let dir = Eio.Path.(get () / darcs_context_dir) in
match Eio.Path.kind ~follow: true dir with
| `Directory ->
Ok ()
| `Not_found ->
Logs.info (fun m -> m "Making Nixtamal’s darcs_context directory%a" pp_native_path dir);
Eio.Path.mkdirs ~perm: 0o755 dir;
(* as these files are just copied over, unset rules *)
set_up_editor_config ~dir ~content: darcs_context_editor_config_content;
Ok ()
| _ ->
Error (Fmt.str "There is a Nixtamal path, but is not a directory%a" pp_native_path dir)
|
