;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 Ludovic Courtès ;;; Copyright © 2014, 2015, 2017, 2018 Mark H Weaver ;;; Copyright © 2015 Eric Bavier ;;; Copyright © 2016 Alex Kost ;;; Copyright © 2017, 2019, 2020 Efraim Flashner ;;; Copyright © 2019 Marius Bakke ;;; Copyright © 2021 Chris Marusich ;;; Copyright © 2021 Sarah Morgensen ;;; ;;; 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 . (define-module (guix packages) #:use-module (guix utils) #:use-module (guix records) #:use-module (guix store) #:use-module (guix monads) #:use-module (guix gexp) #:use-module (guix base32) #:autoload (guix base64) (base64-decode) #:use-module (guix grafts) #:use-module (guix derivations) #:use-module (guix memoization) #:use-module (guix build-system) #:use-module (guix search-paths) #:use-module (guix sets) #:use-module (guix deprecation) #:use-module (guix i18n) #:use-module (ice-9 match) #:use-module (ice-9 vlist) #:use-module (ice-9 regex) #:use-module (srfi srfi-1) #:use-module (srfi srfi-9 gnu) #:use-module (srfi srfi-11) #:use-module (srfi srfi-26) #:use-module (srfi srfi-34) #:use-module (srfi srfi-35) #:use-module (rnrs bytevectors) #:use-module (web uri) #:re-export (%current-system %current-target-system search-path-specification) ;for convenience #:export (content-hash content-hash? content-hash-algorithm content-hash-value origin origin? this-origin origin-uri origin-method origin-hash origin-sha256 ;deprecated origin-file-name origin-actual-file-name origin-patches origin-patch-flags origin-patch-inputs origin-patch-guile origin-snippet origin-modules base32 base64 package package? this-package package-name package-upstream-name package-version package-full-name package-source package-build-system package-arguments package-inputs package-native-inputs package-propagated-inputs package-outputs package-native-search-paths package-search-paths package-replacement package-synopsis package-description package-license package-home-page package-supported-systems package-properties package-location define-package hidden-package hidden-package? package-superseded deprecated-package package-field-location package-direct-sources package-transitive-sources package-direct-inputs package-transitive-inputs package-transitive-target-inputs package-transitive-native-inputs package-transitive-propagated-inputs package-transitive-native-search-paths package-transitive-supported-systems package-mapping package-input-rewriting package-input-rewriting/spec package-source-derivation package-derivation package-cross-derivation package-output package-grafts package-patched-vulnerabilities package-with-patches package-with-extra-patches package-with-c-toolchain package/inherit transitive-input-references %supported-systems %hurd-systems %cuirass-supported-systems supported-package? &package-error package-error? package-error-package &package-input-error package-input-error? package-error-invalid-input &package-cross-build-system-error package-cross-build-system-error? package->bag bag->derivation bag-direct-inputs bag-transitive-inputs bag-transitive-host-inputs bag-transitive-build-inputs bag-transitive-target-inputs package-closure default-guile default-guile-derivation set-guile-for-build package-file package->derivation package->cross-derivation origin->derivation)) ;;; Commentary: ;;; ;;; This module provides a high-level mechanism to define packages in a ;;; Guix-based distribution. ;;; ;;; Code: (define-syntax-rule (define-compile-time-decoder name string->bytevector) "Define NAME as a macro that runs STRING->BYTEVECTOR at macro expansion time if possible." (define-syntax name (lambda (s) "Return the bytevector corresponding to the given textual representation." (syntax-case s () ((_ str) (string? (syntax->datum #'str)) ;; A literal string: do the conversion at expansion time. (with-syntax ((bv (string->bytevector (syntax->datum #'str)))) #''bv)) ((_ str) #'(string->bytevector str)))))) (define-compile-time-decoder base32 nix-base32-string->bytevector) (define-compile-time-decoder base64 base64-decode) ;; Crytographic content hash. (define-immutable-record-type (%content-hash algorithm value) content-hash? (algorithm content-hash-algorithm) ;symbol (value content-hash-value)) ;bytevector (define-syntax-rule (define-content-hash-constructor name (algorithm size) ...) "Define NAME as a constructor that ensures that (1) its second argument is among the listed ALGORITHM, and (2), when possible, that its first argument has the right size for the chosen algorithm." (define-syntax name (lambda (s) (syntax-case s (algorithm ...) ((_ bv algorithm) (let ((bv* (syntax->datum #'bv))) (when (and (bytevector? bv*) (not (= size (bytevector-length bv*)))) (syntax-violation 'content-hash "invalid content hash length" s)) #'(%content-hash 'algorithm bv))) ...)))) (define-content-hash-constructor build-content-hash (sha256 32) (sha512 64) (sha3-256 32) (sha3-512 64) (blake2s-256 64)) (define-syntax content-hash (lambda (s) "Return a content hash with the given parameters. The default hash algorithm is sha256. If the first argument is a literal string, it is decoded as base32. Otherwise, it must be a bytevector." ;; What we'd really want here is something like C++ 'constexpr'. (syntax-case s () ((_ str) (string? (syntax->datum #'str)) #'(content-hash str sha256)) ((_ str algorithm) (string? (syntax->datum #'str)) (with-syntax ((bv (base32 (syntax->datum #'str)))) #'(content-hash bv algorithm))) ((_ (id str) algorithm) (and (string? (syntax->datum #'str)) (free-identifier=? #'id #'base32)) (with-syntax ((bv (nix-base32-string->bytevector (syntax->datum #'str)))) #'(content-hash bv algorithm))) ((_ (id str) algorithm) (and (string? (syntax->datum #'str)) (free-identifier=? #'id #'base64)) (with-syntax ((bv (base64-decode (syntax->datum #'str)))) #'(content-hash bv algorithm))) ((_ bv) #'(content-hash bv sha256)) ((_ bv hash) #'(build-content-hash bv hash))))) (define (print-content-hash hash port) (format port "#" (content-hash-algorithm hash) (and=> (content-hash-value hash) bytevector->nix-base32-string))) (set-record-type-printer! print-content-hash) ;; The source of a package, such as a tarball URL and fetcher---called ;; "origin" to avoid name clash with `package-source', `source', etc. (define-record-type* %origin make-origin origin? this-origin (uri origin-uri) ; string (method origin-method) ; procedure (hash origin-hash) ; (file-name origin-file-name (default #f)) ; optional file name ;; Patches are delayed so that the 'search-patch' calls are made lazily, ;; which reduces I/O on startup and allows patch-not-found errors to be ;; gracefully handled at run time. (patches origin-patches ; list of file names (default '()) (delayed)) (snippet origin-snippet (default #f)) ; sexp or #f (patch-flags origin-patch-flags ; list of strings (default '("-p1"))) ;; Patching requires Guile, GNU Patch, and a few more. These two fields are ;; used to specify these dependencies when needed. (patch-inputs origin-patch-inputs ; input list or #f (default #f)) (modules origin-modules ; list of module names (default '())) (patch-guile origin-patch-guile ; package or #f (default #f))) (define-syntax origin-compatibility-helper (syntax-rules (sha256) ((_ () (fields ...)) (%origin fields ...)) ((_ ((sha256 exp) rest ...) (others ...)) (%origin others ... (hash (content-hash exp sha256)) rest ...)) ((_ (field rest ...) (others ...)) (origin-compatibility-helper (rest ...) (others ... field))))) (define-syntax-rule (origin fields ...) "Build an record, automatically converting 'sha256' field specifications to 'hash'." (origin-compatibility-helper (fields ...) ())) (define-deprecated (origin-sha256 origin) origin-hash (let ((hash (origin-hash origin))) (unless (eq? (content-hash-algorithm hash) 'sha256) (raise (condition (&message (message (G_ "no SHA256 hash for origin")))))) (content-hash-value hash))) (define (print-origin origin port) "Write a concise representation of ORIGIN to PORT." (match origin (($ uri method hash file-name patches) (simple-format port "#" uri hash (force patches) (number->string (object-address origin) 16))))) (set-record-type-printer! print-origin) (define (origin-actual-file-name origin) "Return the file name of ORIGIN, either its 'file-name' field or the file name of its URI." (define (uri->file-name uri) ;; Return the 'base name' of URI or URI itself, where URI is a string. (let ((path (and=> (string->uri uri) uri-path))) (if path (basename path) uri))) (or (origin-file-name origin) (match (origin-uri origin) ((head . tail) (uri->file-name head)) ((? string? uri) (uri->file-name uri)) (else ;; git, svn, cvs, etc. reference #f)))) (define %supported-systems ;; This is the list of system types that are supported. By default, we ;; expect all packages to build successfully here. '("x86_64-linux" "i686-linux" "armhf-linux" "aarch64-linux" "mips64el-linux" "i586-gnu" "powerpc64le-linux")) (define %hurd-systems ;; The GNU/Hurd systems for which support is being developed. '("i586-gnu" "i686-gnu")) (define %cuirass-supported-systems ;; This is the list of system types for which build machines are available. ;; ;; XXX: MIPS is unavailable in CI: ;; . (fold delete %supported-systems '("mips64el-linux"))) ;; A package. (define-record-type* package make-package package? this-package (name package-name) ; string (version package-version) ; string (source package-source) ; instance (build-system package-build-system) ; build system (arguments package-arguments ; arguments for the build method (default '()) (thunked)) (inputs package-inputs ; input packages or derivations (default '()) (thunked)) (propagated-inputs package-propagated-inputs ; same, but propagated (default '()) (thunked)) (native-inputs package-native-inputs ; native input packages/derivations (default '()) (thunked)) (outputs package-outputs ; list of strings (default '("out"))) ; lists of ; , ; for native and cross ; inputs (native-search-paths package-native-search-paths (default '())) (search-paths package-search-paths (default '())) ;; The 'replacement' field is marked as "innate" because it never makes ;; sense to inherit a replacement as is. See the 'package/inherit' macro. (replacement package-replacement ; package | #f (default #f) (thunked) (innate)) (synopsis package-synopsis) ; one-line description (description package-description) ; one or two paragraphs (license package-license) (home-page package-home-page) (supported-systems package-supported-systems ; list of strings (default %supported-systems)) (properties package-properties (default '())) ; alist for anything else (location package-location (default (and=> (current-source-location) source-properties->location)) (innate))) (set-record-type-printer! (lambda (package port) (let ((loc (package-location package)) (format simple-format)) (format port "#" (package-name package) (package-version package) (if loc (format #f "~a:~a " (location-file loc) (location-line loc)) "") (number->string (object-address package) 16))))) (define-syntax-rule (define-package name body ...) "Equivalent to (define-public name (package body ...))." (define-public name (package body ...))) (define-syntax-rule (package/inherit p overrides ...) "Like (package (inherit P) OVERRIDES ...), except that the same transformation is done to the package P's replacement, if any. P must be a bare identifier, and will be bound to either P or its replacement when evaluating OVERRIDES." (let loop ((p p)) (package (inherit p) overrides ... (replacement (and=> (package-replacement p) loop))))) (define (package-upstream-name package) "Return the upstream name of PACKAGE, which could be different from the name it has in Guix." (or (assq-ref (package-properties package) 'upstream-name) (package-name package))) (define (hidden-package p) "Return a \"hidden\" version of P--i.e., one that 'fold-packages' and thus, user interfaces, ignores." (package (inherit p) (properties `((hidden? . #t) ,@(package-properties p))))) (define (hidden-package? p) "Return true if P is \"hidden\"--i.e., must not be visible to user interfaces." (assoc-ref (package-properties p) 'hidden?)) (define (package-superseded p) "Return the package the supersedes P, or #f if P is still current." (assoc-ref (package-properties p) 'superseded)) (define (deprecated-package old-name p) "Return a package called OLD-NAME and marked as superseded by P, a package object." (package (inherit p) (name old-name) (properties `((superseded . ,p))))) (define (package-field-location package field) "Return the source code location of the definition of FIELD for PACKAGE, or #f if it could not be determined." (define (goto port line column) (unless (and (= (port-column port) (- column 1)) (= (port-line port) (- line 1))) (unless (eof-object? (read-char port)) (goto port line column)))) (match (package-location package) (($ file line column) (match (search-path %load-path file) ((? string? file-found) (catch 'system-error (lambda () ;; In general we want to keep relative file names for modules. (call-with-input-file file-found (lambda (port) (goto port line column) (match (read port) (('package inits ...) (let ((field (assoc field inits))) (match field ((_ value) (let ((loc (and=> (source-properties value) source-properties->location))) (and loc ;; Preserve the original file name, which may be a ;; relative file name. (set-field loc (location-file) file)))) (_ #f)))) (_ #f))))) (lambda _ #f))) (#f ;; FILE could not be found in %LOAD-PATH. #f))) (_ #f))) ;; Error conditions. (define-condition-type &package-error &error package-error? (package package-error-package)) (define-condition-type &package-input-error &package-error package-input-error? (input package-error-invalid-input)) (define-condition-type &package-cross-build-system-error &package-error package-cross-build-system-error?) (define* (package-full-name package #:optional (delimiter "@")) "Return the full name of PACKAGE--i.e., `NAME@VERSION'. By specifying DELIMITER (a string), you can customize what will appear between the name and the version. By default, DELIMITER is \"@\"." (string-append (package-name package) delimiter (package-version package))) (define (patch-file-name patch) "Return the basename of PATCH's file name, or #f if the file name could not be determined." (match patch ((? string?) (basename patch)) ((? origin?) (and=> (origin-actual-file-name patch) basename)))) (define %vulnerability-regexp ;; Regexp matching a CVE identifier in patch file names. (make-regexp "CVE-[0-9]{4}-[0-9]+")) (define (package-patched-vulnerabilities package) "Return the list of patched vulnerabilities of PACKAGE as a list of CVE identifiers. The result is inferred from the file names of patches." (define (patch-vulnerabilities patch) (map (cut match:substring <> 0) (list-matches %vulnerability-regexp patch))) (let ((patches (filter-map patch-file-name (or (and=> (package-source package) origin-patches) '())))) (append-map patch-vulnerabilities patches))) (define (%standard-patch-inputs) (let* ((canonical (module-ref (resolve-interface '(gnu packages base)) 'canonical-package)) (ref (lambda (module var) (canonical (module-ref (resolve-interface module) var))))) `(("tar" ,(ref '(gnu packages base) 'tar)) ("xz" ,(ref '(gnu packages compression) 'xz)) ("bzip2" ,(ref '(gnu packages compression) 'bzip2)) ("gzip" ,(ref '(gnu packages compression) 'gzip)) ("lzip" ,(ref '(gnu packages compression) 'lzip)) ("unzip" ,(ref '(gnu packages compression) 'unzip)) ("patch" ,(ref '(gnu packages base) 'patch)) ("locales" ,(ref '(gnu packages base) 'glibc-utf8-locales))))) (define (default-guile) "Return the default Guile package used to run the build code of derivations." (let ((distro (resolve-interface '(gnu packages commencement)))) (module-ref distro 'guile-final))) (define (guile-for-grafts) "Return the Guile package used to build grafting derivations." ;; Guile 2.2 would not work due to when ;; grafting packages. (let ((distro (resolve-interface '(gnu packages guile)))) (module-ref distro 'guile-2.0))) (define* (default-guile-derivation #:optional (system (%current-system))) "Return the derivation for SYSTEM of the default Guile package used to run the build code of derivation." (package->derivation (default-guile) system #:graft? #f)) (define* (patch-and-repack source patches #:key inputs (snippet #f) (flags '("-p1")) (modules '()) (guile-for-build (%guile-for-build)) (system (%current-system))) "Unpack SOURCE (a derivation or store path), apply all of PATCHES, and repack the tarball using the tools listed in INPUTS. When SNIPPET is true, it must be an s-expression that will run from within the directory where SOURCE was unpacked, after all of PATCHES have been applied. MODULES specifies modules in scope when evaluating SNIPPET." (define source-file-name ;; SOURCE is usually a derivation, but it could be a store file. (if (derivation? source) (derivation->output-path source) source)) (define lookup-input ;; The default value of the 'patch-inputs' field, and thus INPUTS is #f, ;; so deal with that. (let ((inputs (or inputs (%standard-patch-inputs)))) (lambda (name) (match (assoc-ref inputs name) ((package) package) (#f #f))))) (define decompression-type (cond ((string-suffix? "gz" source-file-name) "gzip") ((string-suffix? "Z" source-file-name) "gzip") ((string-suffix? "bz2" source-file-name) "bzip2") ((string-suffix? "lz" source-file-name) "lzip") ((string-suffix? "zip" source-file-name) "unzip") (else "xz"))) (define original-file-name ;; Remove the store prefix plus the slash, hash, and hyphen. (let* ((sans (string-drop source-file-name (+ (string-length (%store-prefix)) 1))) (dash (string-index sans #\-))) (string-drop sans (+ 1 dash)))) (define (numeric-extension? file-name) ;; Return true if FILE-NAME ends with digits. (and=> (file-extension file-name) (cut string-every char-set:hex-digit <>))) (define (checkout? directory) ;; Return true if DIRECTORY is a checkout (git, svn, etc). (string-suffix? "-checkout" directory)) (define (tarxz-name file-name) ;; Return a '.tar.xz' file name based on FILE-NAME. (let ((base (cond ((numeric-extension? file-name) original-file-name) ((checkout? file-name) (string-drop-right file-name 9)) (else (file-sans-extension file-name))))) (string-append base (if (equal? (file-extension base) "tar") ".xz" ".tar.xz")))) (define instantiate-patch (match-lambda ((? string? patch) ;deprecated (interned-file patch #:recursive? #t)) ((? struct? patch) ;origin, local-file, etc. (lower-object patch system)))) (mlet %store-monad ((tar -> (lookup-input "tar")) (xz -> (lookup-input "xz")) (patch -> (lookup-input "patch")) (locales -> (lookup-input "locales")) (decomp -> (lookup-input decompression-type)) (patches (sequence %store-monad (map instantiate-patch patches)))) (define build (with-imported-modules '((guix build utils)) #~(begin (use-modules (ice-9 ftw) (srfi srfi-1) (guix build utils)) ;; The --sort option was added to GNU tar in version 1.28, released ;; 2014-07-28. During bootstrap we must cope with older versions. (define tar-supports-sort? (zero? (system* (string-append #+tar "/bin/tar") "cf" "/dev/null" "--files-from=/dev/null" "--sort=name"))) (define (apply-patch patch) (format (current-error-port) "applying '~a'...~%" patch) ;; Use '--force' so that patches that do not apply perfectly are ;; rejected. Use '--no-backup-if-mismatch' to prevent making ;; "*.orig" file if a patch is applied with offset. (invoke (string-append #+patch "/bin/patch") "--force" "--no-backup-if-mismatch" #+@flags "--input" patch)) (define (first-file directory) ;; Return the name of the first file in DIRECTORY. (car (scandir directory (lambda (name) (not (member name '("." ".."))))))) ;; Encoding/decoding errors shouldn't be silent. (fluid-set! %default-port-conversion-strategy 'error) (when #+locales ;; First of all, install a UTF-8 locale so that UTF-8 file names ;; are correctly interpreted. During bootstrap, LOCALES is #f. (setenv "LOCPATH" (string-append #+locales "/lib/locale/" #+(and locales (version-major+minor (package-version locales))))) (setlocale LC_ALL "en_US.utf8")) (setenv "PATH" (string-append #+xz "/bin" ":" #+decomp "/bin")) ;; SOURCE may be either a directory or a tarball. (if (file-is-directory? #+source) (let* ((store (%store-directory)) (len (+ 1 (string-length store))) (base (string-drop #+source len)) (dash (string-index base #\-)) (directory (string-drop base (+ 1 dash)))) (mkdir directory) (copy-recursively #+source directory)) #+(if (string=? decompression-type "unzip") #~(invoke "unzip" #+source) #~(invoke (string-append #+tar "/bin/tar") "xvf" #+source))) (let ((directory (first-file "."))) (format (current-error-port) "source is under '~a'~%" directory) (chdir directory) (for-each apply-patch '#+patches) (let ((result #+(if snippet #~(let ((module (make-fresh-user-module))) (module-use-interfaces! module (map resolve-interface '#+modules)) ((@ (system base compile) compile) '#+snippet #:to 'value #:opts %auto-compilation-options #:env module)) #~#t))) ;; Issue a warning unless the result is #t. (unless (eqv? result #t) (format (current-error-port) "\ ## WARNING: the snippet returned `~s'. Return values other than #t ## are deprecated. Please migrate this package so that its snippet ## reports errors by raising an exception, and otherwise returns #t.~%" result)) (unless result (error "snippet returned false"))) (chdir "..") (unless tar-supports-sort? (call-with-output-file ".file_list" (lambda (port) (for-each (lambda (name) (format port "~a~%" name)) (find-files directory #:directories? #t #:fail-on-error? #t))))) (apply invoke (string-append #+tar "/bin/tar") "cvfa" #$output ;; Avoid non-determinism in the archive. Set the mtime ;; to 1 as is the case in the store (software like gzip ;; behaves differently when it stumbles upon mtime = 0). "--mtime=@1" "--owner=root:0" "--group=root:0" (if tar-supports-sort? `("--sort=name" ,directory) '("--no-recursion" "--files-from=.file_list"))))))) (let ((name (tarxz-name original-file-name))) (gexp->derivation name build #:graft? #f #:system system #:guile-for-build guile-for-build #:properties `((type . origin) (patches . ,(length patches))))))) (define (package-with-patches original patches) "Return package ORIGINAL with PATCHES applied." (package (inherit original) (source (origin (inherit (package-source original)) (patches patches))) (location (package-location original)))) (define (package-with-extra-patches original patches) "Return package ORIGINAL with all PATCHES appended to its list of patches." (package-with-patches original (append (origin-patches (package-source original)) patches))) (define (package-with-c-toolchain package toolchain) "Return a variant of PACKAGE that uses TOOLCHAIN instead of the default GNU C/C++ toolchain. TOOLCHAIN must be a list of inputs (label/package tuples) providing equivalent functionality, such as the 'gcc-toolchain' package." (let ((bs (package-build-system package))) (package/inherit package (build-system (build-system-with-c-toolchain bs toolchain))))) (define (transitive-inputs inputs) "Return the closure of INPUTS when considering the 'propagated-inputs' edges. Omit duplicate inputs, except for those already present in INPUTS itself. This is implemented as a breadth-first traversal such that INPUTS is preserved, and only duplicate propagated inputs are removed." (define (seen? seen item outputs) ;; FIXME: We're using pointer identity here, which is extremely sensitive ;; to memoization in package-producing procedures; see ;; . (match (vhash-assq item seen) ((_ . o) (equal? o outputs)) (_ #f))) (let loop ((inputs inputs) (result '()) (propagated '()) (first? #t) (seen vlist-null)) (match inputs (() (if (null? propagated) (reverse result) (loop (reverse (concatenate propagated)) result '() #f seen))) (((and input (label (? package? package) outputs ...)) rest ...) (if (and (not first?) (seen? seen package outputs)) (loop rest result propagated first? seen) (loop rest (cons input result) (cons (package-propagated-inputs package) propagated) first? (vhash-consq package outputs seen)))) ((input rest ...) (loop rest (cons input result) propagated first? seen))))) (define (package-direct-sources package) "Return all source origins associated with PACKAGE; including origins in PACKAGE's inputs." `(,@(or (and=> (package-source package) list) '()) ,@(filter-map (match-lambda ((_ (? origin? orig) _ ...) orig) (_ #f)) (package-direct-inputs package)))) (define (package-transitive-sources package) "Return PACKAGE's direct sources, and their direct sources, recursively." (delete-duplicates (concatenate (filter-map (match-lambda ((_ (? origin? orig) _ ...) (list orig)) ((_ (? package? p) _ ...) (package-direct-sources p)) (_ #f)) (bag-transitive-inputs (package->bag package)))))) (define (package-direct-inputs package) "Return all the direct inputs of PACKAGE---i.e, its direct inputs along with their propagated inputs." (append (package-native-inputs package) (package-inputs package) (package-propagated-inputs package))) (define (package-transitive-inputs package) "Return the transitive inputs of PACKAGE---i.e., its direct inputs along with their propagated inputs, recursively." (transitive-inputs (package-direct-inputs package))) (define (package-transitive-target-inputs package) "Return the transitive target inputs of PACKAGE---i.e., its direct inputs along with their propagated inputs, recursively. This only includes inputs for the target system, and not native inputs." (transitive-inputs (append (package-inputs package) (package-propagated-inputs package)))) (define (package-transitive-native-inputs package) "Return the transitive native inputs of PACKAGE---i.e., its direct inputs along with their propagated inputs, recursively. This only includes inputs for the host system (\"native inputs\"), and not target inputs." (transitive-inputs (package-native-inputs package))) (define (package-transitive-propagated-inputs package) "Return the propagated inputs of PACKAGE, and their propagated inputs, recursively." (transitive-inputs (package-propagated-inputs package))) (define (package-transitive-native-search-paths package) "Return the list of search paths for PACKAGE and its propagated inputs, recursively." (append (package-native-search-paths package) (append-map (match-lambda ((label (? package? p) _ ...) (package-native-search-paths p)) (_ '())) (package-transitive-propagated-inputs package)))) (define (transitive-input-references alist inputs) "Return a list of (assoc-ref ALIST