diff options
| -rw-r--r-- | Makefile.am | 1 | ||||
| -rw-r--r-- | gnu/build/vm.scm | 37 | ||||
| -rw-r--r-- | gnu/system/vm.scm | 3 | ||||
| -rw-r--r-- | guix/build/store-copy.scm | 69 | ||||
| -rw-r--r-- | tests/gexp.scm | 38 |
5 files changed, 111 insertions, 37 deletions
diff --git a/Makefile.am b/Makefile.am index 156c560665..1f2c4db80d 100644 --- a/Makefile.am +++ b/Makefile.am @@ -64,6 +64,7 @@ MODULES = \ guix/build/gnu-dist.scm \ guix/build/perl-build-system.scm \ guix/build/python-build-system.scm \ + guix/build/store-copy.scm \ guix/build/utils.scm \ guix/build/union.scm \ guix/build/pull.scm \ diff --git a/gnu/build/vm.scm b/gnu/build/vm.scm index ad63a2240d..27ccd047b7 100644 --- a/gnu/build/vm.scm +++ b/gnu/build/vm.scm @@ -18,12 +18,11 @@ (define-module (gnu build vm) #:use-module (guix build utils) + #:use-module (guix build store-copy) #:use-module (gnu build linux-boot) #:use-module (gnu build install) #:use-module (ice-9 match) #:use-module (ice-9 regex) - #:use-module (ice-9 rdelim) - #:use-module (srfi srfi-1) #:use-module (srfi srfi-26) #:export (qemu-command load-in-linux-vm @@ -111,20 +110,6 @@ the #:references-graphs parameter of 'derivation'." (mkdir output) (copy-recursively "xchg" output)))) -(define (read-reference-graph port) - "Return a list of store paths from the reference graph at PORT. -The data at PORT is the format produced by #:references-graphs." - (let loop ((line (read-line port)) - (result '())) - (cond ((eof-object? line) - (delete-duplicates result)) - ((string-prefix? "/" line) - (loop (read-line port) - (cons line result))) - (else - (loop (read-line port) - result))))) - (define* (initialize-partition-table device partition-size #:key (label-type "msdos") @@ -140,26 +125,6 @@ success." (format #f "~aB" partition-size))) (error "failed to create partition table"))) -(define* (populate-store reference-graphs target) - "Populate the store under directory TARGET with the items specified in -REFERENCE-GRAPHS, a list of reference-graph files." - (define store - (string-append target (%store-directory))) - - (define (things-to-copy) - ;; Return the list of store files to copy to the image. - (define (graph-from-file file) - (call-with-input-file file read-reference-graph)) - - (delete-duplicates (append-map graph-from-file reference-graphs))) - - (mkdir-p store) - (chmod store #o1775) - (for-each (lambda (thing) - (copy-recursively thing - (string-append target thing))) - (things-to-copy))) - (define MS_BIND 4096) ; <sys/mounts.h> again! (define* (format-partition partition type diff --git a/gnu/system/vm.scm b/gnu/system/vm.scm index d263edb4f1..624f2a680a 100644 --- a/gnu/system/vm.scm +++ b/gnu/system/vm.scm @@ -116,7 +116,8 @@ input tuple. The output file name is when building for SYSTEM." (gnu build install) (gnu build linux-boot) (gnu build file-systems) - (guix build utils))) + (guix build utils) + (guix build store-copy))) (guile-for-build (%guile-for-build)) diff --git a/guix/build/store-copy.scm b/guix/build/store-copy.scm new file mode 100644 index 0000000000..a296bdf78f --- /dev/null +++ b/guix/build/store-copy.scm @@ -0,0 +1,69 @@ +;;; GNU Guix --- Functional package management for GNU +;;; Copyright © 2013, 2014 Ludovic Courtès <ludo@gnu.org> +;;; +;;; This file is part of GNU Guix. +;;; +;;; GNU Guix is free software; you can redistribute it and/or modify it +;;; under the terms of the GNU General Public License as published by +;;; the Free Software Foundation; either version 3 of the License, or (at +;;; your option) any later version. +;;; +;;; GNU Guix is distributed in the hope that it will be useful, but +;;; WITHOUT ANY WARRANTY; without even the implied warranty of +;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;;; GNU General Public License for more details. +;;; +;;; You should have received a copy of the GNU General Public License +;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. + +(define-module (guix build store-copy) + #:use-module (guix build utils) + #:use-module (srfi srfi-1) + #:use-module (ice-9 rdelim) + #:export (read-reference-graph + populate-store)) + +;;; Commentary: +;;; +;;; This module provides the tools to copy store items and their dependencies +;;; to another store. It relies on the availability of "reference graph" +;;; files as produced by 'gexp->derivation' et al. with the +;;; #:references-graphs parameter. +;;; +;;; Code: + +(define (read-reference-graph port) + "Return a list of store paths from the reference graph at PORT. +The data at PORT is the format produced by #:references-graphs." + (let loop ((line (read-line port)) + (result '())) + (cond ((eof-object? line) + (delete-duplicates result)) + ((string-prefix? "/" line) + (loop (read-line port) + (cons line result))) + (else + (loop (read-line port) + result))))) + +(define* (populate-store reference-graphs target) + "Populate the store under directory TARGET with the items specified in +REFERENCE-GRAPHS, a list of reference-graph files." + (define store + (string-append target (%store-directory))) + + (define (things-to-copy) + ;; Return the list of store files to copy to the image. + (define (graph-from-file file) + (call-with-input-file file read-reference-graph)) + + (delete-duplicates (append-map graph-from-file reference-graphs))) + + (mkdir-p store) + (chmod store #o1775) + (for-each (lambda (thing) + (copy-recursively thing + (string-append target thing))) + (things-to-copy))) + +;;; store-copy.scm ends here diff --git a/tests/gexp.scm b/tests/gexp.scm index bf52401c66..a08164c484 100644 --- a/tests/gexp.scm +++ b/tests/gexp.scm @@ -324,6 +324,44 @@ (return (string=? (derivation-file-name drv) (derivation-file-name xdrv))))) +(test-assertm "gexp->derivation, store copy" + (let ((build-one #~(call-with-output-file #$output + (lambda (port) + (display "This is the one." port)))) + (build-two (lambda (one) + #~(begin + (mkdir #$output) + (symlink #$one (string-append #$output "/one")) + (call-with-output-file (string-append #$output "/two") + (lambda (port) + (display "This is the second one." port)))))) + (build-drv (lambda (two) + #~(begin + (use-modules (guix build store-copy)) + + (mkdir #$output) + '#$two ;make it an input + (populate-store '("graph") #$output))))) + (mlet* %store-monad ((one (gexp->derivation "one" build-one)) + (two (gexp->derivation "two" (build-two one))) + (dir -> (derivation->output-path two)) + (drv (gexp->derivation "store-copy" (build-drv two) + #:references-graphs + `(("graph" . ,dir)) + #:modules + '((guix build store-copy) + (guix build utils)))) + (ok? (built-derivations (list drv))) + (out -> (derivation->output-path drv))) + (let ((one (derivation->output-path one)) + (two (derivation->output-path two))) + (return (and ok? + (file-exists? (string-append out "/" one)) + (file-exists? (string-append out "/" two)) + (file-exists? (string-append out "/" two "/two")) + (string=? (readlink (string-append out "/" two "/one")) + one))))))) + (define shebang (string-append "#!" (derivation->output-path (%guile-for-build)) "/bin/guile --no-auto-compile")) |