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bzr-download: Implement nar fallback.

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* guix/bzr-download.scm (bzr-fetch)[guile-json, guile-lzlib,
guile-gnutls]: New variables.
[build]: Add ‘with-extensions’ and import more modules.  Invoke
‘download-nar’ when ‘bzr-fetch’ returns #f.
* guix/build/bzr.scm (bzr-fetch): Actually return #t on success.

Change-Id: Id5d4ebd0f9ddc3c44b6456d3b46c0000cc7b9997
This commit is contained in:
Ludovic Courtès 2024-02-23 14:17:07 +01:00
parent 0e73f933b2
commit 8a42fc7140
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GPG Key ID: 090B11993D9AEBB5
2 changed files with 34 additions and 12 deletions
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3
guix/build/bzr.scm
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@ -37,6 +37,7 @@ revision identifier. Return #t on success, else throw an exception."
(invoke bzr-command "-Ossl.cert_reqs=none" "checkout"
"--lightweight" "-r" revision url directory)
(with-directory-excursion directory
(delete-file-recursively ".bzr")))
(delete-file-recursively ".bzr"))
#t)
;;; bzr.scm ends here

31
guix/bzr-download.scm
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@ -1,5 +1,6 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017, 2022 Maxim Cournoyer <maxim.cournoyer@gmail.com>
;;; Copyright © 2024 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@ -57,14 +58,34 @@
"Return a fixed-output derivation that fetches REF, a <bzr-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 guile-json
(module-ref (resolve-interface '(gnu packages guile)) 'guile-json-4))
(define guile-lzlib
(module-ref (resolve-interface '(gnu packages guile)) 'guile-lzlib))
(define guile-gnutls
(module-ref (resolve-interface '(gnu packages tls)) 'guile-gnutls))
(define build
(with-extensions (list guile-gnutls guile-lzlib guile-json)
(with-imported-modules (source-module-closure
'((guix build bzr)))
'((guix build bzr)
(guix build utils)
(guix build download-nar)))
#~(begin
(use-modules (guix build bzr))
(bzr-fetch
(getenv "bzr url") (getenv "bzr reference") #$output
#:bzr-command (string-append #+bzr "/bin/brz")))))
(use-modules (guix build bzr)
(guix build download-nar)
(guix build utils)
(srfi srfi-34))
(or (guard (c ((invoke-error? c)
(report-invoke-error c)
#f))
(bzr-fetch (getenv "bzr url") (getenv "bzr reference")
#$output
#:bzr-command (string-append #+bzr "/bin/brz")))
(download-nar #$output))))))
(mlet %store-monad ((guile (package->derivation guile system)))
(gexp->derivation (or name "bzr-branch") build