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install: Add a procedure to build a self-contained binary tarball.

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Suggested by Pjotr Prins <pjotr.public12@thebird.nl>
at <http://lists.gnu.org/archive/html/guix-devel/2015-04/msg00229.html>.

* gnu/build/install.scm (populate-single-profile-directory): New procedure.
* gnu/system/install.scm (self-contained-tarball): New procedure.
* Makefile.am (guix-binary.%.tar.xz): New target.
This commit is contained in:
Ludovic Courtès 2015-04-14 23:19:01 +02:00
parent a84e523c4a
commit 9d3fb6c767
3 changed files with 87 additions and 2 deletions
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43
gnu/build/install.scm
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@ -18,12 +18,14 @@
(define-module (gnu build install)
#:use-module (guix build utils)
#:use-module (guix build store-copy)
#:use-module (srfi srfi-26)
#:use-module (ice-9 match)
#:export (install-grub
populate-root-file-system
reset-timestamps
register-closure))
register-closure
populate-single-profile-directory))
;;; Commentary:
;;;
@ -157,4 +159,43 @@ by 'guix-register'. As a side effect, this resets timestamps on store files."
(unless (zero? status)
(error "failed to register store items" closure))))
(define* (populate-single-profile-directory directory
#:key profile closure)
"Populate DIRECTORY with a store containing PROFILE, whose closure is given
in the file called CLOSURE (as generated by #:references-graphs.) DIRECTORY
is initialized to contain a single profile under /root pointing to PROFILE.
This is used to create the self-contained Guix tarball."
(define (scope file)
(string-append directory "/" file))
(define %root-profile
"/var/guix/profiles/per-user/root")
(define (mkdir-p* dir)
(mkdir-p (scope dir)))
(define (symlink* old new)
(symlink old (scope new)))
;; Populate the store.
(populate-store (list closure) directory)
(register-closure (canonicalize-path directory) closure)
;; XXX: 'guix-register' registers profiles as GC roots but the symlink
;; target uses $TMPDIR. Fix that.
(delete-file (scope "/var/guix/gcroots/profiles"))
(symlink* "/var/guix/profiles"
"/var/guix/gcroots/profiles")
;; Make root's profile, which makes it a GC root.
(mkdir-p* %root-profile)
(symlink* profile
(string-append %root-profile "/guix-profile-1-link"))
(symlink* (string-append %root-profile "/guix-profile-1-link")
(string-append %root-profile "/guix-profile"))
(mkdir-p* "/root")
(symlink* (string-append %root-profile "/guix-profile")
"/root/.guix-profile"))
;;; install.scm ends here