diff options
Diffstat (limited to 'guix/scripts/pack.scm')
-rw-r--r-- | guix/scripts/pack.scm | 648 |
1 files changed, 357 insertions, 291 deletions
diff --git a/guix/scripts/pack.scm b/guix/scripts/pack.scm index 729850839b..98b06971bd 100644 --- a/guix/scripts/pack.scm +++ b/guix/scripts/pack.scm @@ -3,6 +3,7 @@ ;;; Copyright © 2017, 2018 Ricardo Wurmus <rekado@elephly.net> ;;; Copyright © 2018 Konrad Hinsen <konrad.hinsen@fastmail.net> ;;; Copyright © 2018 Chris Marusich <cmmarusich@gmail.com> +;;; Copyright © 2018 Efraim Flashner <efraim@flashner.co.il> ;;; ;;; This file is part of GNU Guix. ;;; @@ -25,6 +26,7 @@ #:use-module (guix gexp) #:use-module (guix utils) #:use-module (guix store) + #:use-module (guix status) #:use-module (guix grafts) #:use-module (guix monads) #:use-module (guix modules) @@ -37,11 +39,11 @@ #:use-module ((guix self) #:select (make-config.scm)) #:use-module (gnu packages) #:use-module (gnu packages bootstrap) - #:use-module (gnu packages compression) + #:use-module ((gnu packages compression) #:hide (zip)) #:use-module (gnu packages guile) #:use-module (gnu packages base) #:autoload (gnu packages package-management) (guix) - #:autoload (gnu packages gnupg) (libgcrypt) + #:autoload (gnu packages gnupg) (guile-gcrypt) #:autoload (gnu packages guile) (guile2.0-json guile-json) #:use-module (srfi srfi-1) #:use-module (srfi srfi-9) @@ -51,6 +53,9 @@ #:export (compressor? lookup-compressor self-contained-tarball + docker-image + squashfs-image + guix-pack)) ;; Type of a compression tool. @@ -95,13 +100,57 @@ found." (('gnu _ ...) #t) (_ #f))) -(define guile-sqlite3&co - ;; Guile-SQLite3 and its propagated inputs. - (cons guile-sqlite3 - (package-transitive-propagated-inputs guile-sqlite3))) +(define gcrypt-sqlite3&co + ;; Guile-Gcrypt, Guile-SQLite3, and their propagated inputs. + (append-map (lambda (package) + (cons package + (package-transitive-propagated-inputs package))) + (list guile-gcrypt guile-sqlite3))) + +(define (store-database items) + "Return a directory containing a store database where all of ITEMS and their +dependencies are registered." + (define schema + (local-file (search-path %load-path + "guix/store/schema.sql"))) + + + (define labels + (map (lambda (n) + (string-append "closure" (number->string n))) + (iota (length items)))) + + (define build + (with-extensions gcrypt-sqlite3&co + ;; XXX: Adding (gnu build install) just to work around + ;; <https://bugs.gnu.org/15602>: that way, (guix build store-copy) is + ;; copied last and the 'store-info-XXX' macros are correctly expanded. + (with-imported-modules (source-module-closure + '((guix build store-copy) + (guix store database) + (gnu build install))) + #~(begin + (use-modules (guix store database) + (guix build store-copy) + (srfi srfi-1)) + + (define (read-closure closure) + (call-with-input-file closure read-reference-graph)) + + (let ((items (append-map read-closure '#$labels))) + (register-items items + #:state-directory #$output + #:deduplicate? #f + #:reset-timestamps? #f + #:registration-time %epoch + #:schema #$schema)))))) + + (computed-file "store-database" build + #:options `(#:references-graphs ,(zip labels items)))) (define* (self-contained-tarball name profile #:key target + (profile-name "guix-profile") deduplicate? (compressor (first %compressors)) localstatedir? @@ -114,124 +163,117 @@ with a properly initialized store database. SYMLINKS must be a list of (SOURCE -> TARGET) tuples denoting symlinks to be added to the pack." - (define libgcrypt - (module-ref (resolve-interface '(gnu packages gnupg)) - 'libgcrypt)) - - (define schema + (define database (and localstatedir? - (local-file (search-path %load-path - "guix/store/schema.sql")))) + (file-append (store-database (list profile)) + "/db/db.sqlite"))) (define build - (with-imported-modules `(((guix config) - => ,(make-config.scm - #:libgcrypt libgcrypt)) - ,@(source-module-closure - `((guix build utils) - (guix build union) - (guix build store-copy) - (gnu build install)) - #:select? not-config?)) - (with-extensions guile-sqlite3&co - #~(begin - (use-modules (guix build utils) - ((guix build union) #:select (relative-file-name)) - (gnu build install) - (srfi srfi-1) - (srfi srfi-26) - (ice-9 match)) - - (define %root "root") - - (define symlink->directives - ;; Return "populate directives" to make the given symlink and its - ;; parent directories. - (match-lambda - ((source '-> target) - (let ((target (string-append #$profile "/" target)) - (parent (dirname source))) - ;; Never add a 'directory' directive for "/" so as to - ;; preserve its ownnership when extracting the archive (see - ;; below), and also because this would lead to adding the - ;; same entries twice in the tarball. - `(,@(if (string=? parent "/") - '() - `((directory ,parent))) - (,source - -> ,(relative-file-name parent target))))))) - - (define directives - ;; Fully-qualified symlinks. - (append-map symlink->directives '#$symlinks)) - - ;; The --sort option was added to GNU tar in version 1.28, released - ;; 2014-07-28. For testing, we use the bootstrap tar, which is - ;; older and doesn't support it. - (define tar-supports-sort? - (zero? (system* (string-append #+archiver "/bin/tar") - "cf" "/dev/null" "--files-from=/dev/null" - "--sort=name"))) - - ;; Add 'tar' to the search path. - (setenv "PATH" #+(file-append archiver "/bin")) - - ;; Note: there is not much to gain here with deduplication and there - ;; is the overhead of the '.links' directory, so turn it off. - ;; Furthermore GNU tar < 1.30 sometimes fails to extract tarballs - ;; with hard links: - ;; <http://lists.gnu.org/archive/html/bug-tar/2017-11/msg00009.html>. - (populate-single-profile-directory %root - #:profile #$profile - #:closure "profile" - #:deduplicate? #f - #:register? #$localstatedir? - #:schema #$schema) - - ;; Create SYMLINKS. - (for-each (cut evaluate-populate-directive <> %root) - directives) - - ;; Create the tarball. Use GNU format so there's no file name - ;; length limitation. - (with-directory-excursion %root - (exit - (zero? (apply system* "tar" - "-I" - (string-join '#+(compressor-command compressor)) - "--format=gnu" - - ;; Avoid non-determinism in the archive. Use - ;; mtime = 1, not zero, because that is what the - ;; daemon does for files in the store (see the - ;; 'mtimeStore' constant in local-store.cc.) - (if tar-supports-sort? "--sort=name" "--mtime=@1") - "--mtime=@1" ;for files in /var/guix - "--owner=root:0" - "--group=root:0" - - "--check-links" - "-cvf" #$output - ;; Avoid adding / and /var to the tarball, so - ;; that the ownership and permissions of those - ;; directories will not be overwritten when - ;; extracting the archive. Do not include /root - ;; because the root account might have a - ;; different home directory. - #$@(if localstatedir? - '("./var/guix") - '()) - - (string-append "." (%store-directory)) - - (delete-duplicates - (filter-map (match-lambda - (('directory directory) - (string-append "." directory)) - ((source '-> _) - (string-append "." source)) - (_ #f)) - directives)))))))))) + (with-imported-modules (source-module-closure + `((guix build utils) + (guix build union) + (gnu build install)) + #:select? not-config?) + #~(begin + (use-modules (guix build utils) + ((guix build union) #:select (relative-file-name)) + (gnu build install) + (srfi srfi-1) + (srfi srfi-26) + (ice-9 match)) + + (define %root "root") + + (define symlink->directives + ;; Return "populate directives" to make the given symlink and its + ;; parent directories. + (match-lambda + ((source '-> target) + (let ((target (string-append #$profile "/" target)) + (parent (dirname source))) + ;; Never add a 'directory' directive for "/" so as to + ;; preserve its ownnership when extracting the archive (see + ;; below), and also because this would lead to adding the + ;; same entries twice in the tarball. + `(,@(if (string=? parent "/") + '() + `((directory ,parent))) + (,source + -> ,(relative-file-name parent target))))))) + + (define directives + ;; Fully-qualified symlinks. + (append-map symlink->directives '#$symlinks)) + + ;; The --sort option was added to GNU tar in version 1.28, released + ;; 2014-07-28. For testing, we use the bootstrap tar, which is + ;; older and doesn't support it. + (define tar-supports-sort? + (zero? (system* (string-append #+archiver "/bin/tar") + "cf" "/dev/null" "--files-from=/dev/null" + "--sort=name"))) + + ;; Add 'tar' to the search path. + (setenv "PATH" #+(file-append archiver "/bin")) + + ;; Note: there is not much to gain here with deduplication and there + ;; is the overhead of the '.links' directory, so turn it off. + ;; Furthermore GNU tar < 1.30 sometimes fails to extract tarballs + ;; with hard links: + ;; <http://lists.gnu.org/archive/html/bug-tar/2017-11/msg00009.html>. + (populate-single-profile-directory %root + #:profile #$profile + #:profile-name #$profile-name + #:closure "profile" + #:database #+database) + + ;; Create SYMLINKS. + (for-each (cut evaluate-populate-directive <> %root) + directives) + + ;; Create the tarball. Use GNU format so there's no file name + ;; length limitation. + (with-directory-excursion %root + (exit + (zero? (apply system* "tar" + #+@(if (compressor-command compressor) + #~("-I" + (string-join + '#+(compressor-command compressor))) + #~()) + "--format=gnu" + + ;; Avoid non-determinism in the archive. Use + ;; mtime = 1, not zero, because that is what the + ;; daemon does for files in the store (see the + ;; 'mtimeStore' constant in local-store.cc.) + (if tar-supports-sort? "--sort=name" "--mtime=@1") + "--mtime=@1" ;for files in /var/guix + "--owner=root:0" + "--group=root:0" + + "--check-links" + "-cvf" #$output + ;; Avoid adding / and /var to the tarball, so + ;; that the ownership and permissions of those + ;; directories will not be overwritten when + ;; extracting the archive. Do not include /root + ;; because the root account might have a + ;; different home directory. + #$@(if localstatedir? + '("./var/guix") + '()) + + (string-append "." (%store-directory)) + + (delete-duplicates + (filter-map (match-lambda + (('directory directory) + (string-append "." directory)) + ((source '-> _) + (string-append "." source)) + (_ #f)) + directives))))))))) (gexp->derivation (string-append name ".tar" (compressor-extension compressor)) @@ -240,7 +282,7 @@ added to the pack." (define* (squashfs-image name profile #:key target - deduplicate? + (profile-name "guix-profile") (compressor (first %compressors)) localstatedir? (symlinks '()) @@ -251,83 +293,85 @@ points for virtual file systems (like procfs), and optional symlinks. SYMLINKS must be a list of (SOURCE -> TARGET) tuples denoting symlinks to be added to the pack." - (define libgcrypt - ;; XXX: Not strictly needed, but pulled by (guix store database). - (module-ref (resolve-interface '(gnu packages gnupg)) - 'libgcrypt)) - + (define database + (and localstatedir? + (file-append (store-database (list profile)) + "/db/db.sqlite"))) (define build - (with-imported-modules `(((guix config) - => ,(make-config.scm - #:libgcrypt libgcrypt)) - ,@(source-module-closure - '((guix build utils) - (guix build store-copy) - (gnu build install)) - #:select? not-config?)) - (with-extensions guile-sqlite3&co - #~(begin - (use-modules (guix build utils) - (gnu build install) - (guix build store-copy) - (srfi srfi-1) - (srfi srfi-26) - (ice-9 match)) - - (setenv "PATH" (string-append #$archiver "/bin")) + (with-imported-modules (source-module-closure + '((guix build utils) + (guix build store-copy) + (gnu build install)) + #:select? not-config?) + #~(begin + (use-modules (guix build utils) + (guix build store-copy) + (gnu build install) + (srfi srfi-1) + (srfi srfi-26) + (ice-9 match)) - ;; We need an empty file in order to have a valid file argument when - ;; we reparent the root file system. Read on for why that's - ;; necessary. - (with-output-to-file ".empty" (lambda () (display ""))) - - ;; Create the squashfs image in several steps. - ;; Add all store items. Unfortunately mksquashfs throws away all - ;; ancestor directories and only keeps the basename. We fix this - ;; in the following invocations of mksquashfs. - (apply invoke "mksquashfs" - `(,@(map store-info-item - (call-with-input-file "profile" - read-reference-graph)) - ,#$output - - ;; Do not perform duplicate checking because we - ;; don't have any dupes. - "-no-duplicates" - "-comp" - ,#+(compressor-name compressor))) - - ;; Here we reparent the store items. For each sub-directory of - ;; the store prefix we need one invocation of "mksquashfs". - (for-each (lambda (dir) - (apply invoke "mksquashfs" - `(".empty" - ,#$output - "-root-becomes" ,dir))) - (reverse (string-tokenize (%store-directory) - (char-set-complement (char-set #\/))))) - - ;; Add symlinks and mount points. - (apply invoke "mksquashfs" - `(".empty" - ,#$output - ;; Create SYMLINKS via pseudo file definitions. - ,@(append-map - (match-lambda - ((source '-> target) - (list "-p" - (string-join - ;; name s mode uid gid symlink - (list source - "s" "777" "0" "0" - (string-append #$profile "/" target)))))) - '#$symlinks) - - ;; Create empty mount points. - "-p" "/proc d 555 0 0" - "-p" "/sys d 555 0 0" - "-p" "/dev d 555 0 0")))))) + (define database #+database) + + (setenv "PATH" (string-append #$archiver "/bin")) + + ;; We need an empty file in order to have a valid file argument when + ;; we reparent the root file system. Read on for why that's + ;; necessary. + (with-output-to-file ".empty" (lambda () (display ""))) + + ;; Create the squashfs image in several steps. + ;; Add all store items. Unfortunately mksquashfs throws away all + ;; ancestor directories and only keeps the basename. We fix this + ;; in the following invocations of mksquashfs. + (apply invoke "mksquashfs" + `(,@(map store-info-item + (call-with-input-file "profile" + read-reference-graph)) + ,#$output + + ;; Do not perform duplicate checking because we + ;; don't have any dupes. + "-no-duplicates" + "-comp" + ,#+(compressor-name compressor))) + + ;; Here we reparent the store items. For each sub-directory of + ;; the store prefix we need one invocation of "mksquashfs". + (for-each (lambda (dir) + (apply invoke "mksquashfs" + `(".empty" + ,#$output + "-root-becomes" ,dir))) + (reverse (string-tokenize (%store-directory) + (char-set-complement (char-set #\/))))) + + ;; Add symlinks and mount points. + (apply invoke "mksquashfs" + `(".empty" + ,#$output + ;; Create SYMLINKS via pseudo file definitions. + ,@(append-map + (match-lambda + ((source '-> target) + (list "-p" + (string-join + ;; name s mode uid gid symlink + (list source + "s" "777" "0" "0" + (string-append #$profile "/" target)))))) + '#$symlinks) + + ;; Create empty mount points. + "-p" "/proc d 555 0 0" + "-p" "/sys d 555 0 0" + "-p" "/dev d 555 0 0")) + + (when database + ;; Initialize /var/guix. + (install-database-and-gc-roots "var-etc" database #$profile) + (invoke "mksquashfs" "var-etc" #$output))))) (gexp->derivation (string-append name (compressor-extension compressor) @@ -337,7 +381,7 @@ added to the pack." (define* (docker-image name profile #:key target - deduplicate? + (profile-name "guix-profile") (compressor (first %compressors)) localstatedir? (symlinks '()) @@ -347,34 +391,19 @@ image is a tarball conforming to the Docker Image Specification, compressed with COMPRESSOR. It can be passed to 'docker load'. If TARGET is true, it must a be a GNU triplet and it is used to derive the architecture metadata in the image." - (define defmod 'define-module) ;trick Geiser + (define database + (and localstatedir? + (file-append (store-database (list profile)) + "/db/db.sqlite"))) - (define config - ;; (guix config) module for consumption by (guix gcrypt). - (scheme-file "gcrypt-config.scm" - #~(begin - (#$defmod (guix config) - #:export (%libgcrypt)) - - ;; XXX: Work around <http://bugs.gnu.org/15602>. - (eval-when (expand load eval) - (define %libgcrypt - #+(file-append libgcrypt "/lib/libgcrypt")))))) - - (define json - ;; Pick the guile-json package that corresponds to the Guile used to build - ;; derivations. - (if (string-prefix? "2.0" (package-version (default-guile))) - guile2.0-json - guile-json)) + (define defmod 'define-module) ;trick Geiser (define build - ;; Guile-JSON is required by (guix docker). - (with-extensions (list json) - (with-imported-modules `(,@(source-module-closure '((guix docker) - (guix build store-copy)) - #:select? not-config?) - ((guix config) => ,config)) + ;; Guile-JSON and Guile-Gcrypt are required by (guix docker). + (with-extensions (list guile-json guile-gcrypt) + (with-imported-modules (source-module-closure '((guix docker) + (guix build store-copy)) + #:select? not-config?) #~(begin (use-modules (guix docker) (srfi srfi-19) (guix build store-copy)) @@ -385,6 +414,7 @@ the image." (call-with-input-file "profile" read-reference-graph)) #$profile + #:database #+database #:system (or #$target (utsname:machine (uname))) #:symlinks '#$symlinks #:compressor '#$(compressor-command compressor) @@ -562,10 +592,14 @@ please email '~a'~%") (define %default-options ;; Alist of default option values. `((format . tarball) + (profile-name . "guix-profile") (system . ,(%current-system)) (substitutes? . #t) (build-hook? . #t) (graft? . #t) + (print-build-trace? . #t) + (print-extended-build-trace? . #t) + (multiplexed-build-output? . #t) (verbosity . 0) (symlinks . ()) (compressor . ,(first %compressors)))) @@ -576,6 +610,18 @@ please email '~a'~%") (squashfs . ,squashfs-image) (docker . ,docker-image))) +(define (show-formats) + ;; Print the supported pack formats. + (display (G_ "The supported formats for 'guix pack' are:")) + (newline) + (display (G_ " + tarball Self-contained tarball, ready to run on another machine")) + (display (G_ " + squashfs Squashfs image suitable for Singularity")) + (display (G_ " + docker Tarball ready for 'docker load'")) + (newline)) + (define %options ;; Specifications of the command-line options. (cons* (option '(#\h "help") #f #f @@ -592,6 +638,10 @@ please email '~a'~%") (option '(#\f "format") #t #f (lambda (opt name arg result) (alist-cons 'format (string->symbol arg) result))) + (option '("list-formats") #f #f + (lambda args + (show-formats) + (exit 0))) (option '(#\R "relocatable") #f #f (lambda (opt name arg result) (alist-cons 'relocatable? #t result))) @@ -630,6 +680,13 @@ please email '~a'~%") (option '("localstatedir") #f #f (lambda (opt name arg result) (alist-cons 'localstatedir? #t result))) + (option '("profile-name") #t #f + (lambda (opt name arg result) + (match arg + ((or "guix-profile" "current-guix") + (alist-cons 'profile-name arg result)) + (_ + (leave (G_ "~a: unsupported profile name~%") arg))))) (option '("bootstrap") #f #f (lambda (opt name arg result) (alist-cons 'bootstrap? #t result))) @@ -647,6 +704,8 @@ Create a bundle of PACKAGE.\n")) (display (G_ " -f, --format=FORMAT build a pack in the given FORMAT")) (display (G_ " + --list-formats list the formats available")) + (display (G_ " -R, --relocatable produce relocatable executables")) (display (G_ " -e, --expression=EXPR consider the package EXPR evaluates to")) @@ -663,6 +722,9 @@ Create a bundle of PACKAGE.\n")) (display (G_ " --localstatedir include /var/guix in the resulting pack")) (display (G_ " + --profile-name=NAME + populate /var/guix/profiles/.../NAME")) + (display (G_ " --bootstrap use the bootstrap binaries to build the pack")) (newline) (display (G_ " @@ -712,72 +774,76 @@ Create a bundle of PACKAGE.\n")) (with-error-handling (with-store store - ;; Set the build options before we do anything else. - (set-build-options-from-command-line store opts) - - (parameterize ((%graft? (assoc-ref opts 'graft?)) - (%guile-for-build (package-derivation - store - (if (assoc-ref opts 'bootstrap?) - %bootstrap-guile - (canonical-package guile-2.2)) - (assoc-ref opts 'system) - #:graft? (assoc-ref opts 'graft?)))) - (let* ((dry-run? (assoc-ref opts 'dry-run?)) - (relocatable? (assoc-ref opts 'relocatable?)) - (manifest (let ((manifest (manifest-from-args store opts))) - ;; Note: We cannot honor '--bootstrap' here because - ;; 'glibc-bootstrap' lacks 'libc.a'. - (if relocatable? - (map-manifest-entries wrapped-package manifest) - manifest))) - (pack-format (assoc-ref opts 'format)) - (name (string-append (symbol->string pack-format) - "-pack")) - (target (assoc-ref opts 'target)) - (bootstrap? (assoc-ref opts 'bootstrap?)) - (compressor (if bootstrap? - bootstrap-xz - (assoc-ref opts 'compressor))) - (archiver (if (equal? pack-format 'squashfs) - squashfs-tools-next - (if bootstrap? - %bootstrap-coreutils&co - tar))) - (symlinks (assoc-ref opts 'symlinks)) - (build-image (match (assq-ref %formats pack-format) - ((? procedure? proc) proc) - (#f - (leave (G_ "~a: unknown pack format") - format)))) - (localstatedir? (assoc-ref opts 'localstatedir?))) - (run-with-store store - (mlet* %store-monad ((profile (profile-derivation - manifest - #:relative-symlinks? relocatable? - #:hooks (if bootstrap? - '() - %default-profile-hooks) - #:locales? (not bootstrap?) - #:target target)) - (drv (build-image name profile - #:target - target - #:compressor - compressor - #:symlinks - symlinks - #:localstatedir? - localstatedir? - #:archiver - archiver))) - (mbegin %store-monad - (show-what-to-build* (list drv) - #:use-substitutes? - (assoc-ref opts 'substitutes?) - #:dry-run? dry-run?) - (munless dry-run? - (built-derivations (list drv)) - (return (format #t "~a~%" - (derivation->output-path drv)))))) - #:system (assoc-ref opts 'system))))))) + (with-status-report print-build-event + ;; Set the build options before we do anything else. + (set-build-options-from-command-line store opts) + + (parameterize ((%graft? (assoc-ref opts 'graft?)) + (%guile-for-build (package-derivation + store + (if (assoc-ref opts 'bootstrap?) + %bootstrap-guile + (canonical-package guile-2.2)) + (assoc-ref opts 'system) + #:graft? (assoc-ref opts 'graft?)))) + (let* ((dry-run? (assoc-ref opts 'dry-run?)) + (relocatable? (assoc-ref opts 'relocatable?)) + (manifest (let ((manifest (manifest-from-args store opts))) + ;; Note: We cannot honor '--bootstrap' here because + ;; 'glibc-bootstrap' lacks 'libc.a'. + (if relocatable? + (map-manifest-entries wrapped-package manifest) + manifest))) + (pack-format (assoc-ref opts 'format)) + (name (string-append (symbol->string pack-format) + "-pack")) + (target (assoc-ref opts 'target)) + (bootstrap? (assoc-ref opts 'bootstrap?)) + (compressor (if bootstrap? + bootstrap-xz + (assoc-ref opts 'compressor))) + (archiver (if (equal? pack-format 'squashfs) + squashfs-tools-next + (if bootstrap? + %bootstrap-coreutils&co + tar))) + (symlinks (assoc-ref opts 'symlinks)) + (build-image (match (assq-ref %formats pack-format) + ((? procedure? proc) proc) + (#f + (leave (G_ "~a: unknown pack format~%") + pack-format)))) + (localstatedir? (assoc-ref opts 'localstatedir?)) + (profile-name (assoc-ref opts 'profile-name))) + (run-with-store store + (mlet* %store-monad ((profile (profile-derivation + manifest + #:relative-symlinks? relocatable? + #:hooks (if bootstrap? + '() + %default-profile-hooks) + #:locales? (not bootstrap?) + #:target target)) + (drv (build-image name profile + #:target + target + #:compressor + compressor + #:symlinks + symlinks + #:localstatedir? + localstatedir? + #:profile-name + profile-name + #:archiver + archiver))) + (mbegin %store-monad + (show-what-to-build* (list drv) + #:use-substitutes? + (assoc-ref opts 'substitutes?) + #:dry-run? dry-run?) + (munless dry-run? + (built-derivations (list drv)) + (return (format #t "~a~%" + (derivation->output-path drv)))))) + #:system (assoc-ref opts 'system)))))))) |