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| author | Ludovic Courtès <ludovic.courtes@inria.fr> | 2017-10-17 10:34:03 +0200 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2017-10-19 23:21:49 +0200 |
| commit | 37ce440dcffa9ff4f5401bacbc9619bd8ea561c1 (patch) | |
| tree | 43abe15321bd541a27d04b4b1faf556cf3e5acb0 /guix/hg-download.scm | |
| parent | 8c3488259ea9e8d18a2c5b947cf9a137a12546a6 (diff) | |
| download | gnu-guix-37ce440dcffa9ff4f5401bacbc9619bd8ea561c1.tar gnu-guix-37ce440dcffa9ff4f5401bacbc9619bd8ea561c1.tar.gz | |
download: Download a nar when a VCS checkout fails.
Fixes <https://bugs.gnu.org/28709>.
* guix/build/download-nar.scm: New file.
* Makefile.am (MODULES): Add it.
* guix/cvs-download.scm (cvs-fetch)[zlib, config.scm, modules]: New
variables.
[build]: Use MODULES. Add call to 'download-nar'.
* guix/git-download.scm (git-fetch): Likewise.
* guix/hg-download.scm (hg-fetch): Likewise.
Diffstat (limited to 'guix/hg-download.scm')
| -rw-r--r-- | guix/hg-download.scm | 36 |
1 files changed, 27 insertions, 9 deletions
diff --git a/guix/hg-download.scm b/guix/hg-download.scm index 8420980905..6b25b87b6b 100644 --- a/guix/hg-download.scm +++ b/guix/hg-download.scm @@ -1,5 +1,5 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2014, 2015, 2016 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2014, 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org> ;;; Copyright © 2016 Ricardo Wurmus <rekado@elephly.net> ;;; ;;; This file is part of GNU Guix. @@ -22,6 +22,7 @@ #:use-module (guix store) #:use-module (guix monads) #:use-module (guix records) + #:use-module (guix modules) #:use-module (guix packages) #:autoload (guix build-system gnu) (standard-packages) #:use-module (ice-9 match) @@ -59,18 +60,35 @@ "Return a fixed-output derivation that fetches REF, a <hg-reference> object. The output is expected to have recursive hash HASH of type HASH-ALGO (a symbol). Use NAME as the file name, or a generic name if #f." + (define zlib + (module-ref (resolve-interface '(gnu packages compression)) 'zlib)) + + (define config.scm + (scheme-file "config.scm" + #~(begin + (define-module (guix config) + #:export (%libz)) + + (define %libz + #+(file-append zlib "/lib/libz"))))) + + (define modules + (cons `((guix config) => ,config.scm) + (delete '(guix config) + (source-module-closure '((guix build hg) + (guix build download-nar)))))) + (define build - (with-imported-modules '((guix build hg) - (guix build utils)) + (with-imported-modules modules #~(begin (use-modules (guix build hg) - (guix build utils) - (ice-9 match)) + (guix build download-nar)) - (hg-fetch '#$(hg-reference-url ref) - '#$(hg-reference-changeset ref) - #$output - #:hg-command (string-append #+hg "/bin/hg"))))) + (or (hg-fetch '#$(hg-reference-url ref) + '#$(hg-reference-changeset ref) + #$output + #:hg-command (string-append #+hg "/bin/hg")) + (download-nar #$output))))) (mlet %store-monad ((guile (package->derivation guile system))) (gexp->derivation (or name "hg-checkout") build |