simplify
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parent
304e4d9a7a
commit
cd359538b0
41
src/build.ml
41
src/build.ml
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@ -177,30 +177,23 @@ module Shexp = struct
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let env = Context.extend_env ~vars:env_extra ~env in
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Future.run Strict ~dir:(Path.to_string dir) ~env ~stdout_to prog args
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let rec exec t ~dir ~env ~env_extra ~stdout_to ~tail ~f =
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let rec exec t ~dir ~env ~env_extra ~stdout_to ~tail =
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match t with
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| Run (prog, args) ->
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let prog = f ~dir prog in
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let args = List.map args ~f:(f ~dir) in
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run ~dir ~env ~env_extra ~stdout_to ~tail prog args
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| Chdir (fn, t) ->
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let fn = f ~dir fn in
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exec t ~env ~env_extra ~stdout_to ~tail ~dir:(Path.relative dir fn) ~f
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exec t ~env ~env_extra ~stdout_to ~tail ~dir:(Path.relative dir fn)
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| Setenv (var, value, t) ->
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let var = f ~dir var in
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let value = f ~dir value in
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exec t ~dir ~env ~stdout_to ~tail ~f
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exec t ~dir ~env ~stdout_to ~tail
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~env_extra:(String_map.add env_extra ~key:var ~data:value)
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| With_stdout_to (fn, t) ->
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let fn = f ~dir fn in
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if tail then Option.iter stdout_to ~f:(fun (_, oc) -> close_out oc);
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let fn = Path.to_string (Path.relative dir fn) in
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exec t ~dir ~env ~env_extra ~tail ~f
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exec t ~dir ~env ~env_extra ~tail
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~stdout_to:(Some (fn, open_out_bin fn))
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| Progn l ->
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exec_list l ~dir ~env ~env_extra ~stdout_to ~tail ~f
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exec_list l ~dir ~env ~env_extra ~stdout_to ~tail
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| Echo str ->
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let str = f ~dir str in
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return
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(match stdout_to with
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| None -> print_string str; flush stdout
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@ -208,7 +201,6 @@ module Shexp = struct
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output_string oc str;
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if tail then close_out oc)
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| Cat fn ->
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let fn = f ~dir fn in
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let fn = Path.to_string (Path.relative dir fn) in
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with_file_in fn ~f:(fun ic ->
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match stdout_to with
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@ -218,8 +210,8 @@ module Shexp = struct
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if tail then close_out oc);
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return ()
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| Copy_and_add_line_directive (src, dst) ->
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let src = Path.relative dir (f ~dir src) in
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let dst = Path.relative dir (f ~dir dst) in
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let src = Path.relative dir src in
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let dst = Path.relative dir dst in
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with_file_in (Path.to_string src) ~f:(fun ic ->
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with_file_out (Path.to_string dst) ~f:(fun oc ->
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let fn =
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@ -231,7 +223,6 @@ module Shexp = struct
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copy_channels ic oc));
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return ()
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| System cmd ->
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let cmd = f ~dir cmd in
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let path, arg, err =
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Utils.system_shell ~needed_to:"interpret (system ...) actions"
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in
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@ -241,29 +232,29 @@ module Shexp = struct
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run ~dir ~env ~env_extra ~stdout_to ~tail
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(Path.to_string path) [arg; cmd]
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and exec_list l ~dir ~env ~env_extra ~stdout_to ~tail ~f =
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and exec_list l ~dir ~env ~env_extra ~stdout_to ~tail =
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match l with
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| [] ->
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if tail then Option.iter stdout_to ~f:(fun (_, oc) -> close_out oc);
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Future.return ()
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| [t] ->
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exec t ~dir ~env ~env_extra ~stdout_to ~tail ~f
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exec t ~dir ~env ~env_extra ~stdout_to ~tail
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| t :: rest ->
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exec t ~dir ~env ~env_extra ~stdout_to ~tail:false ~f >>= fun () ->
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exec_list rest ~dir ~env ~env_extra ~stdout_to ~tail ~f
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exec t ~dir ~env ~env_extra ~stdout_to ~tail:false >>= fun () ->
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exec_list rest ~dir ~env ~env_extra ~stdout_to ~tail
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let exec t ~dir ~env ~f =
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exec t ~dir ~env ~env_extra:String_map.empty ~stdout_to:None ~tail:true ~f
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let exec t ~dir ~env =
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exec t ~dir ~env ~env_extra:String_map.empty ~stdout_to:None ~tail:true
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end
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let user_action action ~dir ~env ~targets ~expand:f =
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let user_action action ~dir ~env ~targets =
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prim ~targets (fun () ->
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match (action : _ User_action.t) with
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| Bash cmd ->
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Future.run Strict ~dir:(Path.to_string dir) ~env
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"/bin/bash" ["-e"; "-u"; "-o"; "pipefail"; "-c"; f ~dir cmd]
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"/bin/bash" ["-e"; "-u"; "-o"; "pipefail"; "-c"; cmd]
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| Shexp shexp ->
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Shexp.exec ~dir ~env ~f shexp)
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Shexp.exec ~dir ~env shexp)
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let echo fn =
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create_file ~target:fn (fun data ->
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@ -65,11 +65,10 @@ val run
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-> ('a, unit) t
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val user_action
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: 'a User_action.t
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: string User_action.t
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-> dir:Path.t
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-> env:string array
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-> targets:Path.t list
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-> expand:(dir:Path.t -> 'a -> string)
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-> (unit, unit) t
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(** Create a file with the given contents. *)
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@ -1354,12 +1354,12 @@ module Gen(P : Params) = struct
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add_artifact acc ~var ~lib_dep res
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| _ -> acc)
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let expand_string_with_vars ~artifacts ~targets ~deps =
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let expand_string_with_vars =
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let dep_exn ~dir name = function
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| Some dep -> Path.reach ~from:dir dep
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| None -> die "cannot use ${%s} with files_recursively_in" name
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in
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let lookup ~dir var_name =
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fun ~artifacts ~targets ~deps dir var_name ->
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match String_map.find var_name artifacts with
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| Some path -> Some (Path.reach ~from:dir path)
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| None ->
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@ -1371,9 +1371,6 @@ module Gen(P : Params) = struct
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let deps = List.map deps ~f:(dep_exn ~dir var_name) in
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Some (String.concat ~sep:" " deps)
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| _ -> root_var_lookup ~dir var_name
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in
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fun ~dir str ->
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String_with_vars.expand str ~f:(lookup ~dir)
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let run t ~dir ~dep_kind ~targets ~deps =
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let deps =
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@ -1382,6 +1379,10 @@ module Gen(P : Params) = struct
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~f:(Path.relative dir))
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in
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let forms = extract_artifacts ~dir t in
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let t =
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User_action.Unexpanded.expand dir t
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~f:(expand_string_with_vars ~artifacts:forms.artifacts ~targets ~deps)
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in
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let build =
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Build.record_lib_deps ~dir ~kind:dep_kind
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(String_set.elements forms.lib_deps
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@ -1390,7 +1391,6 @@ module Gen(P : Params) = struct
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Build.paths (String_map.values forms.artifacts)
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>>>
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Build.user_action t ~dir ~env:ctx.env ~targets
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~expand:(expand_string_with_vars ~artifacts:forms.artifacts ~targets ~deps)
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in
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match forms.failures with
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| [] -> build
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@ -89,12 +89,25 @@ let expand t ~f =
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| Braces -> sprintf "${%s}" v)
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|> String.concat ~sep:""
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let expand_with_context context t ~f =
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List.map t ~f:(function
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| Text s -> s
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| Var (syntax, v) ->
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match f context v with
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| Some x -> x
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| None ->
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match syntax with
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| Parens -> sprintf "$(%s)" v
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| Braces -> sprintf "${%s}" v)
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|> String.concat ~sep:""
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module type Container = sig
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type 'a t
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val t : 'a Sexp.Of_sexp.t -> 'a t Sexp.Of_sexp.t
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val sexp_of_t : ('a -> Sexp.t) -> 'a t -> Sexp.t
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val map : 'a t -> f:('a -> 'b) -> 'b t
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type context
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val expand : context -> 'a t -> f:(context -> 'a -> string) -> string t
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val fold : 'a t -> init:'b -> f:('b -> 'a -> 'b) -> 'b
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end
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@ -107,6 +120,7 @@ module Lift(M : Container) = struct
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let fold t ~init ~f =
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M.fold t ~init ~f:(fun acc x -> fold x ~init:acc ~f)
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let expand t ~f = M.map t ~f:(expand ~f)
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let expand context (t : t) ~f =
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M.expand context t ~f:(expand_with_context ~f)
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end
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@ -22,7 +22,8 @@ module type Container = sig
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val t : 'a Sexp.Of_sexp.t -> 'a t Sexp.Of_sexp.t
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val sexp_of_t : ('a -> Sexp.t) -> 'a t -> Sexp.t
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val map : 'a t -> f:('a -> 'b) -> 'b t
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type context
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val expand : context -> 'a t -> f:(context -> 'a -> string) -> string t
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val fold : 'a t -> init:'b -> f:('b -> 'a -> 'b) -> 'b
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end
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@ -34,5 +35,9 @@ module Lift(M : Container) : sig
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val fold : t -> init:'a -> f:('a -> string -> 'a) -> 'a
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val expand : t -> f:(string -> string option) -> string M.t
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val expand
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: M.context
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-> t
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-> f:(M.context -> string -> string option)
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-> string M.t
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end
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@ -30,17 +30,24 @@ module Mini_shexp = struct
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]
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sexp
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let rec map t ~f =
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let rec expand dir t ~f =
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match t with
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| Run (prog, args) -> Run (f prog, List.map args ~f)
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| Chdir (fn, t) -> Chdir (f fn, map t ~f)
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| Setenv (var, value, t) -> Setenv (f var, f value, map t ~f)
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| With_stdout_to (fn, t) -> With_stdout_to (f fn, map t ~f)
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| Progn l -> Progn (List.map l ~f:(map ~f))
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| Echo x -> Echo (f x)
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| Cat x -> Cat (f x)
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| Copy_and_add_line_directive (x, y) -> Copy_and_add_line_directive (f x, f y)
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| System x -> System (f x)
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| Run (prog, args) ->
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Run (f dir prog,
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List.map args ~f:(fun arg -> f dir arg))
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| Chdir (fn, t) ->
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let fn = f dir fn in
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Chdir (fn, expand (Path.relative dir fn) t ~f)
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| Setenv (var, value, t) ->
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Setenv (f dir var, f dir value, expand dir t ~f)
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| With_stdout_to (fn, t) ->
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With_stdout_to (f dir fn, expand dir t ~f)
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| Progn l -> Progn (List.map l ~f:(fun t -> expand dir t ~f))
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| Echo x -> Echo (f dir x)
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| Cat x -> Cat (f dir x)
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| Copy_and_add_line_directive (x, y) ->
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Copy_and_add_line_directive (f dir x, f dir y)
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| System x -> System (f dir x)
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let rec fold t ~init:acc ~f =
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match t with
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@ -77,10 +84,12 @@ module T = struct
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| Atom _ -> Bash (a sexp)
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| List _ -> Shexp (Mini_shexp.t a sexp)
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let map t ~f =
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type context = Path.t
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let expand dir t ~f =
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match t with
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| Bash x -> Bash (f x)
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| Shexp x -> Shexp (Mini_shexp.map x ~f)
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| Bash x -> Bash (f dir x)
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| Shexp x -> Shexp (Mini_shexp.expand dir x ~f)
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let fold t ~init ~f =
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match t with
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