* guix/build/utils.scm (wrap-program)[wrapper-file-name]
[next-wrapper-number, wrapper-target]: Remove.
[wrapped-file, already-wrapped?]: New variables.
[last-line]: New procedure.
Use it to append to PROG when a wrapper already exists.
* tests/build-utils.scm ("wrap-program, one input, multiple calls"):
Adjust the list of files to delete.
		
	
			
		
			
				
	
	
		
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			125 lines
		
	
	
	
		
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			Scheme
		
	
	
	
	
	
| ;;; GNU Guix --- Functional package management for GNU
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| ;;; Copyright © 2012, 2015, 2016 Ludovic Courtès <ludo@gnu.org>
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| ;;;
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| ;;; This file is part of GNU Guix.
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| ;;;
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| ;;; GNU Guix is free software; you can redistribute it and/or modify it
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| ;;; under the terms of the GNU General Public License as published by
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| ;;; the Free Software Foundation; either version 3 of the License, or (at
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| ;;; your option) any later version.
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| ;;;
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| ;;; GNU Guix is distributed in the hope that it will be useful, but
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| ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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| ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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| ;;; GNU General Public License for more details.
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| ;;;
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| ;;; You should have received a copy of the GNU General Public License
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| ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
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| 
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| 
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| (define-module (test-build-utils)
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|   #:use-module (guix tests)
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|   #:use-module (guix build utils)
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|   #:use-module ((guix utils)
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|                 #:select (%current-system call-with-temporary-directory))
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|   #:use-module (gnu packages)
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|   #:use-module (gnu packages bootstrap)
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|   #:use-module (srfi srfi-34)
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|   #:use-module (srfi srfi-64)
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|   #:use-module (rnrs io ports)
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|   #:use-module (ice-9 popen))
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| 
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| 
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| (test-begin "build-utils")
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| 
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| (test-equal "alist-cons-before"
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|   '((a . 1) (x . 42) (b . 2) (c . 3))
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|   (alist-cons-before 'b 'x 42 '((a . 1) (b . 2) (c . 3))))
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| 
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| (test-equal "alist-cons-before, reference not found"
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|   '((a . 1) (b . 2) (c . 3) (x . 42))
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|   (alist-cons-before 'z 'x 42 '((a . 1) (b . 2) (c . 3))))
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| 
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| (test-equal "alist-cons-after"
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|   '((a . 1) (b . 2) (x . 42) (c . 3))
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|   (alist-cons-after 'b 'x 42 '((a . 1) (b . 2) (c . 3))))
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| 
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| (test-equal "alist-cons-after, reference not found"
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|   '((a . 1) (b . 2) (c . 3) (x . 42))
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|   (alist-cons-after 'z 'x 42 '((a . 1) (b . 2) (c . 3))))
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| 
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| (test-equal "alist-replace"
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|   '((a . 1) (b . 77) (c . 3))
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|   (alist-replace 'b 77 '((a . 1) (b . 2) (c . 3))))
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| 
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| (test-assert "alist-replace, key not found"
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|   (not (false-if-exception
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|         (alist-replace 'z 77 '((a . 1) (b . 2) (c . 3))))))
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| 
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| (test-equal "fold-port-matches"
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|   (make-list 3 "Guix")
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|   (call-with-input-string "Guix is cool, Guix rocks, and it uses Guile, Guix!"
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|     (lambda (port)
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|       (fold-port-matches cons '() "Guix" port))))
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| 
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| (test-equal "fold-port-matches, trickier"
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|   (reverse '("Guix" "guix" "Guix" "guiX" "Guix"))
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|   (call-with-input-string "Guix, guix, GuiGuixguiX, Guix"
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|     (lambda (port)
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|       (fold-port-matches cons '()
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|                          (list (char-set #\G #\g)
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|                                (char-set #\u)
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|                                (char-set #\i)
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|                                (char-set #\x #\X))
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|                          port))))
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| 
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| (test-equal "fold-port-matches, with unmatched chars"
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|   '("Guix" #\, #\space
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|     "guix" #\, #\space
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|     #\G #\u #\i "Guix" "guiX" #\, #\space
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|     "Guix")
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|   (call-with-input-string "Guix, guix, GuiGuixguiX, Guix"
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|     (lambda (port)
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|       (reverse
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|        (fold-port-matches cons '()
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|                           (list (char-set #\G #\g)
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|                                 (char-set #\u)
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|                                 (char-set #\i)
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|                                 (char-set #\x #\X))
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|                           port
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|                           cons)))))
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| 
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| (test-equal "wrap-program, one input, multiple calls"
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|   "hello world\n"
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|   (call-with-temporary-directory
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|    (lambda (directory)
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|      (let ((bash (search-bootstrap-binary "bash" (%current-system)))
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|            (foo  (string-append directory "/foo")))
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| 
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|        (call-with-output-file foo
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|          (lambda (p)
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|            (format p
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|                    "#!~a~%echo \"${GUIX_FOO} ${GUIX_BAR}\"~%"
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|                    bash)))
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|        (chmod foo #o777)
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| 
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|        ;; wrap-program uses `which' to find bash for the wrapper shebang, but
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|        ;; it can't know about the bootstrap bash in the store, since it's not
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|        ;; named "bash".  Help it out a bit by providing a symlink it this
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|        ;; package's output.
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|        (setenv "PATH" (dirname bash))
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|        (wrap-program foo `("GUIX_FOO" prefix ("hello")))
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|        (wrap-program foo `("GUIX_BAR" prefix ("world")))
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| 
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|        ;; The bootstrap Bash is linked against an old libc and would abort with
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|        ;; an assertion failure when trying to load incompatible locale data.
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|        (unsetenv "LOCPATH")
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| 
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|        (let* ((pipe (open-input-pipe foo))
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|               (str  (get-string-all pipe)))
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|          (with-directory-excursion directory
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|            (for-each delete-file '("foo" ".foo-real")))
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|          (and (zero? (close-pipe pipe))
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|               str))))))
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| 
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| (test-end)
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