linux-initrd: Use (guix cpio) instead of GNU cpio.
* gnu/build/linux-initrd.scm (write-cpio-archive): Remove 'open-pipe*' and related calls. Compute list of files in 'files' variable. Use 'cpio:write-cpio-archive'. Remove #:cpio parameter. (build-initrd): Remove #:cpio parameter. * gnu/system/linux-initrd.scm (expression->initrd): Likewise, and adjust BUILDER accordingly. Add (guix cpio) to #:modules.master
Ludovic Courtès
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@ -1,5 +1,5 @@
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;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2013, 2014 Ludovic Courtès <ludo@gnu.org>
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;;; Copyright © 2013, 2014, 2015 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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@ -17,12 +17,12 @@
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (gnu build linux-initrd)
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#:use-module ((guix cpio) #:prefix cpio:)
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#:use-module (guix build utils)
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#:use-module (guix build store-copy)
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#:use-module (system base compile)
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#:use-module (rnrs bytevectors)
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#:use-module ((system foreign) #:select (sizeof))
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#:use-module (ice-9 popen)
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#:use-module (ice-9 ftw)
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#:export (write-cpio-archive
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build-initrd))
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@ -38,42 +38,42 @@
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(define* (write-cpio-archive output directory
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#:key
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(compress? #t)
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(cpio "cpio") (gzip "gzip"))
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"Write a cpio archive containing DIRECTORY to file OUTPUT, using CPIO. When
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(gzip "gzip"))
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"Write a cpio archive containing DIRECTORY to file OUTPUT. When
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COMPRESS? is true, compress it using GZIP. On success, return OUTPUT."
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;; Note: don't use '--no-absolute-filenames' since that strips leading
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;; slashes from symlink targets.
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(let ((pipe (open-pipe* OPEN_WRITE cpio "-o" "-O" output
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"-H" "newc" "--null")))
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(define (print0 file)
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(format pipe "~a\0" file))
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;; Note: as per `ramfs-rootfs-initramfs.txt', always add directory entries
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;; before the files that are inside of it: "The Linux kernel cpio
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;; extractor won't create files in a directory that doesn't exist, so the
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;; directory entries must go before the files that go in those
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;; directories."
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;; Note: as per `ramfs-rootfs-initramfs.txt', always add directory entries
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;; before the files that are inside of it: "The Linux kernel cpio
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;; extractor won't create files in a directory that doesn't exist, so the
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;; directory entries must go before the files that go in those
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;; directories."
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(define files
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;; XXX: Use a deterministic order.
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(file-system-fold (const #t)
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(lambda (file stat result) ; leaf
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(print0 file))
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(lambda (dir stat result) ; down
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(unless (string=? dir directory)
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(print0 dir)))
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(const #f) ; up
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(const #f) ; skip
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(const #f)
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#f
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directory)
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(reverse
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(file-system-fold (const #t) ;enter?
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(lambda (file stat result) ;leaf
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(cons file result))
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(lambda (dir stat result) ;down
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(if (string=? dir directory)
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result
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(cons dir result)))
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(lambda (file stat result)
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result)
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(const #f) ;skip
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(const #f) ;error
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'()
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directory)))
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(and (zero? (close-pipe pipe))
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(or (not compress?)
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(and (zero? (system* gzip "--best" output))
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(rename-file (string-append output ".gz")
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output))
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output))))
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(call-with-output-file output
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(lambda (port)
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(cpio:write-cpio-archive files port)))
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(or (not compress?)
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(and (zero? (system* gzip "--best" output))
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(rename-file (string-append output ".gz")
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output))
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output))
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(define (cache-compiled-file-name file)
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"Return the file name of the in-cache .go file for FILE, relative to the
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@ -105,7 +105,6 @@ This is similar to what 'compiled-file-name' in (system base compile) does."
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#:key
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guile init
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(references-graphs '())
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(cpio "cpio")
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(gzip "gzip"))
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"Write an initial RAM disk (initrd) to OUTPUT. The initrd starts the script
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at INIT, running GUILE. It contains all the items referred to by
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@ -134,8 +133,7 @@ REFERENCES-GRAPHS."
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(utime file 0 0 0 0)))
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(find-files "." ".*"))
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(write-cpio-archive output "."
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#:cpio cpio #:gzip gzip))
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(write-cpio-archive output "." #:gzip gzip))
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(delete-file-recursively "contents"))
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@ -25,7 +25,6 @@
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#:select (%store-prefix))
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#:use-module ((guix derivations)
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#:select (derivation->output-path))
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#:use-module (gnu packages cpio)
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#:use-module (gnu packages compression)
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#:use-module (gnu packages linux)
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#:use-module (gnu packages guile)
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@ -51,7 +50,6 @@
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(define* (expression->initrd exp
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#:key
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(guile %guile-static-stripped)
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(cpio cpio)
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(gzip gzip)
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(name "guile-initrd")
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(system (%current-system))
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@ -78,11 +76,11 @@ MODULES is a list of Guile module names to be embedded in the initrd."
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#:init #$init
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;; Copy everything INIT refers to into the initrd.
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#:references-graphs '("closure")
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#:cpio (string-append #$cpio "/bin/cpio")
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#:gzip (string-append #$gzip "/bin/gzip"))))
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(gexp->derivation name builder
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#:modules '((guix build utils)
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#:modules '((guix cpio)
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(guix build utils)
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(guix build store-copy)
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(gnu build linux-initrd))
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#:references-graphs `(("closure" ,init)))))
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