Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

57 lines (44 sloc) 1.713 kb
(*
Copyright © 2011 MLstate
This file is part of OPA.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*)
module U = Unix
module S = Sys
exception InvalidCommand
exception CommandError
let system_call cmd =
let ic, oc = Unix.open_process cmd in
let buf = Buffer.create 16 in
(try
while true do
Buffer.add_channel buf ic 1
done
with End_of_file -> ());
let ret = Unix.close_process (ic, oc) in
let msg = Base.String.rtrim ~is_space:(fun x -> if x = '\n' then true else false) (Buffer.contents buf) in
msg, ret
let get_return_code status =
match status with
| Unix.WSIGNALED x -> failwith (Printf.sprintf "Process killed by signal %d" x)
| Unix.WSTOPPED x -> failwith (Printf.sprintf "Process stopped by signal %d" x)
| Unix.WEXITED x -> x
let command_fct cmd fct =
let t, s = system_call (Printf.sprintf "%s %s" cmd fct) in
let r = get_return_code s in
if r = 0 then t
else raise CommandError
let which cmd = command_fct "which" cmd
let wget cmd = command_fct "wget" cmd
let tar cmd = command_fct "tar" cmd
let ps cmd = command_fct "ps" cmd
let mktemp cmd = command_fct "mktemp" cmd
let cp cmd = command_fct "cp" cmd
Jump to Line
Something went wrong with that request. Please try again.