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Lean: Adding a lean_force_output option #805

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merged 2 commits into from
Dec 6, 2024
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Lean: Adding a lean_force_output option #805

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Lean: Adding a lean_force_output option
lfrenot Dec 3, 2024
a49290f
Missed space to properly print the help message
lfrenot Dec 3, 2024
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12 changes: 11 additions & 1 deletion src/sail_lean_backend/sail_plugin_lean.ml
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Original file line number Diff line number Diff line change
Expand Up @@ -71,6 +71,8 @@ open Interactive.State

let opt_lean_output_dir : string option ref = ref None

let opt_lean_force_output : bool ref = ref false

let lean_version : string = "lean4:nightly-2024-09-25"

let lean_options =
Expand All @@ -79,6 +81,10 @@ let lean_options =
Arg.String (fun dir -> opt_lean_output_dir := Some dir),
"<directory> set a custom directory to output generated Lean"
);
( "-lean_force_output",
Arg.Unit (fun () -> opt_lean_force_output := true),
" removes the content of the output directory if it is non-empty"
);
]

(* TODO[javra]: Currently these are the same as the Coq rewrites, we might want to change them. *)
Expand Down Expand Up @@ -151,7 +157,11 @@ let create_lake_project (out_name : string) default_sail_dir =
(* Change the base directory if the option '--lean-output-dir' is set *)
let base_dir = match !opt_lean_output_dir with Some dir -> dir | None -> "." in
let project_dir = Filename.concat base_dir out_name in
Unix.mkdir project_dir 0o775;
if !opt_lean_force_output && Sys.is_directory project_dir then (
let _ = Unix.system ("rm -r " ^ project_dir ^ "/*") in
()
)
else Unix.mkdir project_dir 0o775;
let gitignore = open_out (Filename.concat project_dir ".gitignore") in
(* Ignore the `z3_problems` file generated by Sail and the `.lake` directory generated by lake*)
output_string gitignore "/.lake";
Expand Down
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