mirror of
https://git.in.rschanz.org/ryan77627/guix.git
synced 2024-12-25 22:08:16 -05:00
6f9a80b331
Note: this merge actually changes the 'curl' and 'python-attrs' derivations, as part of solvingcaf4a7a277and12964df69arespectively.4604d43c0e(gnu: gnutls@3.6.16: Fix cross-compilation.) was ignored because it cannot currently be tested. Conflicts: gnu/local.mk gnu/packages/aidc.scm gnu/packages/boost.scm gnu/packages/curl.scm gnu/packages/nettle.scm gnu/packages/networking.scm gnu/packages/python-xyz.scm gnu/packages/tls.scm
371 lines
15 KiB
Scheme
371 lines
15 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
|
||
;;; Copyright © 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 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 grafts)
|
||
#:use-module (guix store)
|
||
#:use-module (guix monads)
|
||
#:use-module (guix records)
|
||
#:use-module (guix combinators)
|
||
#:use-module (guix derivations)
|
||
#:use-module ((guix utils) #:select (%current-system))
|
||
#:use-module (guix sets)
|
||
#:use-module (srfi srfi-1)
|
||
#:use-module (srfi srfi-9 gnu)
|
||
#:use-module (srfi srfi-26)
|
||
#:use-module (srfi srfi-34)
|
||
#:use-module (srfi srfi-71)
|
||
#:use-module (ice-9 match)
|
||
#:use-module (ice-9 vlist)
|
||
#:export (graft?
|
||
graft
|
||
graft-origin
|
||
graft-replacement
|
||
graft-origin-output
|
||
graft-replacement-output
|
||
|
||
graft-derivation
|
||
graft-derivation/shallow
|
||
|
||
%graft?
|
||
without-grafting
|
||
set-grafting
|
||
grafting?))
|
||
|
||
(define-record-type* <graft> graft make-graft
|
||
graft?
|
||
(origin graft-origin) ;derivation | store item
|
||
(origin-output graft-origin-output ;string | #f
|
||
(default "out"))
|
||
(replacement graft-replacement) ;derivation | store item
|
||
(replacement-output graft-replacement-output ;string | #f
|
||
(default "out")))
|
||
|
||
(define (write-graft graft port)
|
||
"Write a concise representation of GRAFT to PORT."
|
||
(define (->string thing output)
|
||
(if (derivation? thing)
|
||
(derivation->output-path thing output)
|
||
thing))
|
||
|
||
(match graft
|
||
(($ <graft> origin origin-output replacement replacement-output)
|
||
(format port "#<graft ~a ==> ~a ~a>"
|
||
(->string origin origin-output)
|
||
(->string replacement replacement-output)
|
||
(number->string (object-address graft) 16)))))
|
||
|
||
(set-record-type-printer! <graft> write-graft)
|
||
|
||
(define (graft-origin-file-name graft)
|
||
"Return the output file name of the origin of GRAFT."
|
||
(match graft
|
||
(($ <graft> (? derivation? origin) output)
|
||
(derivation->output-path origin output))
|
||
(($ <graft> (? string? item))
|
||
item)))
|
||
|
||
(define* (graft-derivation/shallow store drv grafts
|
||
#:key
|
||
(name (derivation-name drv))
|
||
(outputs (derivation-output-names drv))
|
||
(guile (%guile-for-build))
|
||
(system (%current-system)))
|
||
"Return a derivation called NAME, which applies GRAFTS to the specified
|
||
OUTPUTS of DRV. This procedure performs \"shallow\" grafting in that GRAFTS
|
||
are not recursively applied to dependencies of DRV."
|
||
;; XXX: Someday rewrite using gexps.
|
||
(define mapping
|
||
;; List of store item pairs.
|
||
(map (match-lambda
|
||
(($ <graft> source source-output target target-output)
|
||
(cons (if (derivation? source)
|
||
(derivation->output-path source source-output)
|
||
source)
|
||
(if (derivation? target)
|
||
(derivation->output-path target target-output)
|
||
target))))
|
||
grafts))
|
||
|
||
(define output-pairs
|
||
(map (lambda (output)
|
||
(cons output
|
||
(derivation-output-path
|
||
(assoc-ref (derivation-outputs drv) output))))
|
||
outputs))
|
||
|
||
(define build
|
||
`(begin
|
||
(use-modules (guix build graft)
|
||
(guix build utils)
|
||
(ice-9 match))
|
||
|
||
(let* ((old-outputs ',output-pairs)
|
||
(mapping (append ',mapping
|
||
(map (match-lambda
|
||
((name . file)
|
||
(cons (assoc-ref old-outputs name)
|
||
file)))
|
||
%outputs))))
|
||
(graft old-outputs %outputs mapping))))
|
||
|
||
(define add-label
|
||
(cut cons "x" <>))
|
||
|
||
(define properties
|
||
`((type . graft)
|
||
(graft (count . ,(length grafts)))))
|
||
|
||
(match grafts
|
||
((($ <graft> sources source-outputs targets target-outputs) ...)
|
||
(let ((sources (zip sources source-outputs))
|
||
(targets (zip targets target-outputs)))
|
||
(build-expression->derivation store name build
|
||
#:system system
|
||
#:guile-for-build guile
|
||
#:modules '((guix build graft)
|
||
(guix build utils)
|
||
(guix build debug-link)
|
||
(guix elf))
|
||
#:inputs `(,@(map (lambda (out)
|
||
`("x" ,drv ,out))
|
||
outputs)
|
||
,@(append (map add-label sources)
|
||
(map add-label targets)))
|
||
#:outputs outputs
|
||
|
||
;; Grafts are computationally cheap so no
|
||
;; need to offload or substitute.
|
||
#:local-build? #t
|
||
#:substitutable? #f
|
||
|
||
#:properties properties)))))
|
||
|
||
(define (non-self-references store drv outputs)
|
||
"Return the list of references of the OUTPUTS of DRV, excluding self
|
||
references."
|
||
(define (references* items)
|
||
;; Return the references of ITEMS.
|
||
(guard (c ((store-protocol-error? c)
|
||
;; ITEMS are not in store so build INPUT first.
|
||
(and (build-derivations store (list drv))
|
||
(append-map (cut references/cached store <>) items))))
|
||
(append-map (cut references/cached store <>) items)))
|
||
|
||
(let ((refs (references* (map (cut derivation->output-path drv <>)
|
||
outputs)))
|
||
(self (match (derivation->output-paths drv)
|
||
(((names . items) ...)
|
||
items))))
|
||
(remove (cut member <> self) refs)))
|
||
|
||
(define %graft-cache
|
||
;; Cache that maps derivation/outputs/grafts tuples to lists of grafts.
|
||
(allocate-store-connection-cache 'grafts))
|
||
|
||
(define record-cache-lookup!
|
||
(cache-lookup-recorder "derivation-graft-cache"
|
||
"Derivation graft cache"))
|
||
|
||
(define-syntax-rule (with-cache key exp ...)
|
||
"Cache the value of monadic expression EXP under KEY."
|
||
(mlet* %state-monad ((cache (current-state))
|
||
(result -> (vhash-assoc key cache)))
|
||
(record-cache-lookup! result cache)
|
||
(match result
|
||
((_ . result) ;cache hit
|
||
(return result))
|
||
(#f ;cache miss
|
||
(mlet %state-monad ((result (begin exp ...))
|
||
(cache (current-state)))
|
||
(mbegin %state-monad
|
||
(set-current-state (vhash-cons key result cache))
|
||
(return result)))))))
|
||
|
||
(define (reference-origins drv items)
|
||
"Return the derivation/output pairs among the inputs of DRV, recursively,
|
||
that produce ITEMS. Elements of ITEMS not produced by a derivation (i.e.,
|
||
it's a content-addressed \"source\"), or not produced by a dependency of DRV,
|
||
have no corresponding element in the resulting list."
|
||
(define (lookup-derivers drv result items)
|
||
;; Return RESULT augmented by all the drv/output pairs producing one of
|
||
;; ITEMS, and ITEMS stripped of matching items.
|
||
(fold2 (match-lambda*
|
||
(((output . file) result items)
|
||
(if (member file items)
|
||
(values (alist-cons drv output result)
|
||
(delete file items))
|
||
(values result items))))
|
||
result items
|
||
(derivation->output-paths drv)))
|
||
|
||
;; Perform a breadth-first traversal of the dependency graph of DRV in
|
||
;; search of the derivations that produce ITEMS.
|
||
(let loop ((drv (list drv))
|
||
(items items)
|
||
(result '())
|
||
(visited (setq)))
|
||
(match drv
|
||
(()
|
||
result)
|
||
((drv . rest)
|
||
(cond ((null? items)
|
||
result)
|
||
((set-contains? visited drv)
|
||
(loop rest items result visited))
|
||
(else
|
||
(let* ((inputs
|
||
(map derivation-input-derivation
|
||
(derivation-inputs drv)))
|
||
(result items
|
||
(fold2 lookup-derivers
|
||
result items inputs)))
|
||
(loop (append rest inputs)
|
||
items result
|
||
(set-insert drv visited)))))))))
|
||
|
||
(define* (cumulative-grafts store drv grafts
|
||
#:key
|
||
(outputs (derivation-output-names drv))
|
||
(guile (%guile-for-build))
|
||
(system (%current-system)))
|
||
"Augment GRAFTS with additional grafts resulting from the application of
|
||
GRAFTS to the dependencies of DRV. Return the resulting list of grafts.
|
||
|
||
This is a monadic procedure in %STATE-MONAD where the state is a vhash mapping
|
||
derivations to the corresponding set of grafts."
|
||
(define (graft-origin? drv graft)
|
||
;; Return true if DRV corresponds to the origin of GRAFT.
|
||
(match graft
|
||
(($ <graft> (? derivation? origin) output)
|
||
(match (assoc-ref (derivation->output-paths drv) output)
|
||
((? string? result)
|
||
(string=? result
|
||
(derivation->output-path origin output)))
|
||
(_
|
||
#f)))
|
||
(_
|
||
#f)))
|
||
|
||
(define (dependency-grafts items)
|
||
(mapm %store-monad
|
||
(lambda (drv+output)
|
||
(match drv+output
|
||
((drv . output)
|
||
;; If GRAFTS already contains a graft from DRV, do not
|
||
;; override it.
|
||
(if (find (cut graft-origin? drv <>) grafts)
|
||
(state-return grafts)
|
||
(cumulative-grafts store drv grafts
|
||
#:outputs (list output)
|
||
#:guile guile
|
||
#:system system)))))
|
||
(reference-origins drv items)))
|
||
|
||
(with-cache (list (derivation-file-name drv) outputs grafts)
|
||
(match (non-self-references store drv outputs)
|
||
(() ;no dependencies
|
||
(return grafts))
|
||
(deps ;one or more dependencies
|
||
(mlet %state-monad ((grafts (dependency-grafts deps)))
|
||
(let ((grafts (delete-duplicates (concatenate grafts) equal?)))
|
||
(match (filter (lambda (graft)
|
||
(member (graft-origin-file-name graft) deps))
|
||
grafts)
|
||
(()
|
||
(return grafts))
|
||
((applicable ..1)
|
||
;; Use APPLICABLE, the subset of GRAFTS that is really
|
||
;; applicable to DRV, to avoid creating several identical
|
||
;; grafted variants of DRV.
|
||
(let* ((new (graft-derivation/shallow store drv applicable
|
||
#:outputs outputs
|
||
#:guile guile
|
||
#:system system))
|
||
(grafts (append (map (lambda (output)
|
||
(graft
|
||
(origin drv)
|
||
(origin-output output)
|
||
(replacement new)
|
||
(replacement-output output)))
|
||
outputs)
|
||
grafts)))
|
||
(return grafts))))))))))
|
||
|
||
(define* (graft-derivation store drv grafts
|
||
#:key
|
||
(guile (%guile-for-build))
|
||
(outputs (derivation-output-names drv))
|
||
(system (%current-system)))
|
||
"Apply GRAFTS to the OUTPUTS of DRV and all their dependencies, recursively.
|
||
That is, if GRAFTS apply only indirectly to DRV, graft the dependencies of
|
||
DRV, and graft DRV itself to refer to those grafted dependencies."
|
||
(let ((grafts cache
|
||
(run-with-state
|
||
(cumulative-grafts store drv grafts
|
||
#:outputs outputs
|
||
#:guile guile #:system system)
|
||
(store-connection-cache store %graft-cache))))
|
||
|
||
;; Save CACHE in STORE to benefit from it on the next call.
|
||
;; XXX: Ideally we'd use %STORE-MONAD and 'mcached' and avoid mutating
|
||
;; STORE.
|
||
(set-store-connection-cache! store %graft-cache cache)
|
||
|
||
(match grafts
|
||
((first . rest)
|
||
;; If FIRST is not a graft for DRV, it means that GRAFTS are not
|
||
;; applicable to DRV and nothing needs to be done.
|
||
(if (equal? drv (graft-origin first))
|
||
(graft-replacement first)
|
||
drv)))))
|
||
|
||
|
||
;; The following might feel more at home in (guix packages) but since (guix
|
||
;; gexp), which is a lower level, needs them, we put them here.
|
||
|
||
(define %graft?
|
||
;; Whether to honor package grafts by default.
|
||
(make-parameter #t))
|
||
|
||
(define (call-without-grafting thunk)
|
||
(lambda (store)
|
||
(values (parameterize ((%graft? #f))
|
||
(run-with-store store (thunk)))
|
||
store)))
|
||
|
||
(define-syntax-rule (without-grafting mexp ...)
|
||
"Bind monadic expressions MEXP in a dynamic extent where '%graft?' is
|
||
false."
|
||
(call-without-grafting (lambda () (mbegin %store-monad mexp ...))))
|
||
|
||
(define-inlinable (set-grafting enable?)
|
||
;; This monadic procedure enables grafting when ENABLE? is true, and
|
||
;; disables it otherwise. It returns the previous setting.
|
||
(lambda (store)
|
||
(values (%graft? enable?) store)))
|
||
|
||
(define-inlinable (grafting?)
|
||
;; Return a Boolean indicating whether grafting is enabled.
|
||
(lambda (store)
|
||
(values (%graft?) store)))
|
||
|
||
;; Local Variables:
|
||
;; eval: (put 'with-cache 'scheme-indent-function 1)
|
||
;; End:
|
||
|
||
;;; grafts.scm ends here
|