;; This is a wrapper around `winvers-change.ss' to patch binary files with the
;; current version number.

#lang scheme/base

(require mzlib/file "main-collects.ss" "dirs.ss")

(define (make-copy)
  (let* ([tmpdir (find-system-path 'temp-dir)]
         [vers (build-path tmpdir "setvers")])
    (unless (directory-exists? vers) (make-directory vers))
    (for ([p (in-list '("racket.exe" "lib"))])
      (let ([dest (build-path vers p)])
        ((cond [(file-exists? dest) delete-file]
               [(directory-exists? dest) delete-directory/files]
               [else void])
         dest)
        (copy-directory/files (build-path (find-console-bin-dir) p) dest)))
    (build-path vers "racket.exe")))

(define (patch-files)
  (parameterize ([current-command-line-arguments
                  (vector (path->string (find-console-bin-dir)))])
    (dynamic-require 'setup/winvers-change #f)))

(define collects-dir
  (path->string (find-collects-dir)))

(let ([argv (current-command-line-arguments)])
  (cond [(equal? argv #())
         (let ([exe (make-copy)])
           (printf "re-launching first time...~n")
           (subprocess
            (current-output-port) (current-input-port) (current-error-port)
            exe "--collects" collects-dir
            "-l" "setup/winvers" "patch"))]
        [(equal? argv #("patch"))
         (sleep 1) ; time for other process to end
         (patch-files)
         (printf "re-launching last time...~n")
         (subprocess
          (current-output-port) (current-input-port) (current-error-port)
          (build-path (find-console-bin-dir) "racket.exe")
          "-l" "setup/winvers" "finish")]
        [(equal? argv #("finish"))
         (sleep 1) ; time for other process to end
         (delete-directory/files
          (build-path (find-system-path 'temp-dir) "setvers"))
         (printf "done!~n")]
        [else (error 'winvers "unknown command line: ~e" argv)]))
