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;;; -*- Mode: Lisp ; Syntax: ANSI-Common-Lisp -*-
#+xcvb (module (:depends-on ("bundle")))
(in-package :asdf)
(declaim (optimize (debug 3) (safety 3) (speed 1)))
(defun copy-stream-to-stream (input output &key (element-type 'character) (buffer-size 8192))
"Copy the contents of the INPUT stream into the OUTPUT stream,
using WRITE-SEQUENCE and a sensibly sized buffer." ; copied from xcvb-driver
(with-open-stream (input input)
(loop
:for buffer = (make-array (list buffer-size) :element-type element-type)
:for end = (read-sequence buffer input)
:until (zerop end)
:do (write-sequence buffer output :end end)
(when (< end buffer-size) (return)))))
(with-open-file (o output :element-type '(unsigned-byte 8)
:direction :output :if-exists :rename-and-delete)
(dolist (input inputs)
(with-open-file (i input :element-type '(unsigned-byte 8)
:direction :input :if-does-not-exist :error)
(copy-stream-to-stream i o :element-type '(unsigned-byte 8))))))
#+clozure (ccl:fasl-concatenate output inputs :if-exists :supersede)
#+(or allegro clisp sbcl) (concatenate-files inputs output))
(defun call-with-staging-pathname (pathname fun)
"Calls fun with a staging pathname, and atomically
renames the staging pathname to the pathname in the end.
Note: this protects only against failure of the program,
not against concurrent attempts.
For the latter case, we ought pick random suffix and atomically open it."
(let* ((pathname (pathname pathname))
(staging (make-pathname
:name (strcat (pathname-name pathname) "-staging")
:defaults pathname)))
(unwind-protect
(multiple-value-prog1
(funcall fun staging)
(rename-file staging pathname #+clozure :if-exists #+clozure :rename-and-delete))
(when (probe-file* staging)
(delete-file staging)))))
(defmacro with-staging-pathname ((pathname-var &optional (pathname-value pathname-var)) &body body)
`(call-with-staging-pathname ,pathname-value #'(lambda (,pathname-var) ,@body)))
(defmethod perform ((o bundle-op) (c system))
(let* ((input-files (input-files o c))
Francois-Rene Rideau
committed
(fasl-files (remove (fasl-type) input-files :key #'pathname-type :test-not #'string=))
(non-fasl-files (remove (fasl-type) input-files :key #'pathname-type :test #'string=))
(output-files (output-files o c))
(output-file (first output-files)))
(when input-files
(assert output-files)
(when non-fasl-files
(error "On ~A, asdf-bundle can only bundle FASL files, but these were also produced: ~S"
(implementation-type) non-fasl-files))
(when (and (typep o 'monolithic-bundle-op)
(or (monolithic-op-prologue-code o) (monolithic-op-epilogue-code o)))
(error "prologue-code and epilogue-code are not supported on ~A"
(implementation-type)))
(ensure-directories-exist output-file)
(with-staging-pathname (output-file)
(combine-fasls fasl-files output-file)))))
(defmethod output-files ((o fasl-op) (c component))
(declare (ignorable o c))
nil)
(defmethod input-files ((o fasl-op) (c component))
(declare (ignorable o c))
nil)