430 lines
16 KiB
Scheme
430 lines
16 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2016, 2017 Andy Patterson <ajpatter@uwaterloo.ca>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (guix build lisp-utils)
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#:use-module (ice-9 format)
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#:use-module (ice-9 hash-table)
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#:use-module (ice-9 match)
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#:use-module (ice-9 regex)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-26)
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#:use-module (guix build utils)
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#:export (%lisp
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%lisp-type
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%source-install-prefix
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lisp-eval-program
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compile-system
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test-system
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replace-escaped-macros
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generate-executable-wrapper-system
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generate-executable-entry-point
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generate-executable-for-system
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%bundle-install-prefix
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bundle-asd-file
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wrap-output-translations
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prepend-to-source-registry
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build-program
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build-image
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make-asd-file
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valid-char-set
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normalize-string
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library-output))
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;;; Commentary:
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;;;
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;;; Tools to evaluate lisp programs within a lisp session, generate wrapper
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;;; systems for executables. Compile, test, and produce images for systems and
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;;; programs, and link them with their dependencies.
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;;;
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;;; Code:
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(define %lisp
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;; File name of the Lisp compiler.
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(make-parameter "lisp"))
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(define %lisp-type
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;; String representing the class of implementation being used.
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(make-parameter "lisp"))
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;; The common parent for Lisp source files, as will as the symbolic
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;; link farm for system definition (.asd) files.
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(define %source-install-prefix "/share/common-lisp")
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(define (%bundle-install-prefix)
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(string-append %source-install-prefix "/" (%lisp-type) "-bundle-systems"))
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(define (library-output outputs)
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"If a `lib' output exists, build things there. Otherwise use `out'."
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(or (assoc-ref outputs "lib") (assoc-ref outputs "out")))
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;; See nix/libstore/store-api.cc#checkStoreName.
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(define valid-char-set
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(string->char-set
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"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz+-._?="))
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(define (normalize-string str)
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"Replace invalid characters in STR with a hyphen."
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(string-join (string-tokenize str valid-char-set) "-"))
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(define (normalize-dependency dependency)
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"Normalize the name of DEPENDENCY. Handles dependency definitions of the
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dependency-def form described by
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<https://common-lisp.net/project/asdf/asdf.html#The-defsystem-grammar>.
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Assume that any symbols in DEPENDENCY will be in upper-case."
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(match dependency
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((':VERSION name rest ...)
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`(:version ,(normalize-string name) ,@rest))
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((':FEATURE feature-specification dependency-specification)
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`(:feature
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,feature-specification
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,(normalize-dependency dependency-specification)))
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((? string? name) (normalize-string name))
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(require-specification require-specification)))
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(define (inputs->asd-file-map inputs)
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"Produce a hash table of the form (system . asd-file), where system is the
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name of an ASD system, and asd-file is the full path to its definition."
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(alist->hash-table
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(filter-map
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(match-lambda
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((_ . path)
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(let ((prefix (string-append path (%bundle-install-prefix))))
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(and (directory-exists? prefix)
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(match (find-files prefix "\\.asd$")
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((asd-file)
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(cons
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(string-drop-right (basename asd-file) 4) ; drop ".asd"
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asd-file))
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(_ #f))))))
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inputs)))
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(define (wrap-output-translations translations)
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`(:output-translations
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,@translations
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:inherit-configuration))
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(define (lisp-eval-program program)
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"Evaluate PROGRAM with a given LISP implementation."
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(define invocation (lisp-invocation program))
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(format #t "Invoking ~a: ~{~s ~}~%" (%lisp-type) invocation)
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(apply invoke invocation))
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(define (spread-statements program argument-name)
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"Return a list with the statements from PROGRAM spread between
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ARGUMENT-NAME, a string representing the argument a lisp implementation uses
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to accept statements to be evaluated before starting."
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(append-map (lambda (statement)
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(list argument-name (format #f "~S" statement)))
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program))
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(define (lisp-invocation program)
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"Return a list of arguments for system* determining how to invoke LISP
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with PROGRAM."
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(match (%lisp-type)
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("sbcl" `(,(%lisp) "--non-interactive"
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,@(spread-statements program "--eval")))
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("ecl" `(,(%lisp)
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,@(spread-statements program "--eval")
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"--eval" "(quit)"))
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(_ (error "The LISP provided is not supported at this time."))))
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(define (asdf-load-all systems)
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(map (lambda (system)
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`(asdf:load-system ,system))
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systems))
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(define (compile-system system asd-file)
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"Use a lisp implementation to compile SYSTEM using asdf. Load ASD-FILE
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first."
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(lisp-eval-program
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`((require :asdf)
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(asdf:load-asd (truename ,asd-file) :name ,(normalize-string system))
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(asdf:operate 'asdf:compile-bundle-op ,system))))
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(define (system-dependencies system asd-file)
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"Return the dependencies of SYSTEM, as reported by
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asdf:system-depends-on. First load the system's ASD-FILE."
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(define deps-file ".deps.sexp")
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(define program
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`((require :asdf)
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(asdf:load-asd (truename ,asd-file) :name ,(normalize-string system))
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(with-open-file
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(stream ,deps-file :direction :output)
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(format stream
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"~s~%"
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(asdf:system-depends-on
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(asdf:find-system ,system))))))
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(dynamic-wind
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(lambda _
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(lisp-eval-program program))
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(lambda _
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(call-with-input-file deps-file read))
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(lambda _
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(when (file-exists? deps-file)
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(delete-file deps-file)))))
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(define (compiled-system system)
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(let ((system (basename system))) ; this is how asdf handles slashes
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(match (%lisp-type)
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("sbcl" (string-append system "--system"))
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(_ system))))
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(define* (generate-system-definition system
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#:key version dependencies)
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`(asdf:defsystem
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,(normalize-string system)
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:class asdf/bundle:prebuilt-system
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:version ,version
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:depends-on ,dependencies
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:components ((:compiled-file ,(compiled-system system)))
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,@(if (string=? "ecl" (%lisp-type))
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`(:lib ,(string-append system ".a"))
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'())))
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(define (test-system system asd-file test-asd-file)
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"Use a lisp implementation to test SYSTEM using asdf. Load ASD-FILE first.
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Also load TEST-ASD-FILE if necessary."
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(lisp-eval-program
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`((require :asdf)
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(asdf:load-asd (truename ,asd-file) :name ,(normalize-string system))
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,@(if test-asd-file
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`((asdf:load-asd (truename ,test-asd-file)))
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;; Try some likely files.
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(map (lambda (file)
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`(when (uiop:file-exists-p ,file)
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(asdf:load-asd (truename ,file))))
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(list
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(string-append system "-tests.asd")
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(string-append system "-test.asd")
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"tests.asd"
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"test.asd")))
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(asdf:test-system ,system))))
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(define (string->lisp-keyword . strings)
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"Return a lisp keyword for the concatenation of STRINGS."
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(string->symbol (apply string-append ":" strings)))
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(define (generate-executable-for-system type system)
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"Use LISP to generate an executable, whose TYPE can be 'asdf:image-op or
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'asdf:program-op. The latter will always be standalone. Depends on having
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created a \"SYSTEM-exec\" system which contains the entry program."
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(lisp-eval-program
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`((require :asdf)
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(asdf:operate ',type ,(string-append system "-exec")))))
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(define (generate-executable-wrapper-system system dependencies)
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"Generates a system which can be used by asdf to produce an image or program
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inside the current directory. The image or program will contain
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DEPENDENCIES."
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(with-output-to-file (string-append system "-exec.asd")
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(lambda _
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(format #t "~y~%"
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`(defsystem ,(string->lisp-keyword system "-exec")
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:entry-point ,(string-append system "-exec:main")
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:depends-on (:uiop
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,@(map string->lisp-keyword
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dependencies))
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:components ((:file ,(string-append system "-exec"))))))))
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(define (generate-executable-entry-point system entry-program)
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"Generates an entry point program from the list of lisp statements
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ENTRY-PROGRAM for SYSTEM within the current directory."
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(with-output-to-file (string-append system "-exec.lisp")
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(lambda _
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(let ((system (string->lisp-keyword system "-exec")))
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(format #t "~{~y~%~%~}"
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`((defpackage ,system
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(:use :cl)
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(:export :main))
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(in-package ,system)
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(defun main ()
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(let ((arguments uiop:*command-line-arguments*))
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(declare (ignorable arguments))
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,@entry-program))))))))
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(define (generate-dependency-links registry system)
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"Creates a program which populates asdf's source registry from REGISTRY, an
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alist of dependency names to corresponding asd files. This allows the system
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to locate its dependent systems."
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`(progn
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(asdf/source-registry:ensure-source-registry)
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,@(map (match-lambda
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((name . asd-file)
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`(setf
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(gethash ,name
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asdf/source-registry:*source-registry*)
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,(string->symbol "#p")
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,asd-file)))
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registry)))
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(define* (make-asd-file asd-file
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#:key system version inputs
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(system-asd-file #f))
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"Create an ASD-FILE for SYSTEM@VERSION, appending a program to allow the
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system to find its dependencies, as described by GENERATE-DEPENDENCY-LINKS."
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(define dependencies
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(let ((deps
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(system-dependencies system system-asd-file)))
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(if (eq? 'NIL deps)
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'()
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(map normalize-dependency deps))))
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(define lisp-input-map
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(inputs->asd-file-map inputs))
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(define dependency-name
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(match-lambda
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((':version name _ ...) name)
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((':feature _ dependency-specification)
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(dependency-name dependency-specification))
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((? string? name) name)
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(_ #f)))
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(define registry
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(filter-map hash-get-handle
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(make-list (length dependencies)
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lisp-input-map)
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(map dependency-name dependencies)))
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(call-with-output-file asd-file
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(lambda (port)
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(display
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(replace-escaped-macros
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(format #f "~y~%~y~%"
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(generate-system-definition system
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#:version version
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#:dependencies dependencies)
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(generate-dependency-links registry system)))
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port))))
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(define (bundle-asd-file output-path original-asd-file)
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"Find the symlinked bundle file for ORIGINAL-ASD-FILE by looking in
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OUTPUT-PATH/share/common-lisp/LISP-bundle-systems/<system>.asd. Returns two
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values: the asd file itself and the directory in which it resides."
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(let ((bundle-asd-path (string-append output-path
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(%bundle-install-prefix))))
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(values (string-append bundle-asd-path "/" (basename original-asd-file))
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bundle-asd-path)))
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(define (replace-escaped-macros string)
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"Replace simple lisp forms that the guile writer escapes, for example by
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replacing #{#p}# with #p. Should only be used to replace truly simple forms
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which are not nested."
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(regexp-substitute/global #f "(#\\{)(\\S*)(\\}#)" string
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'pre 2 'post))
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(define (prepend-to-source-registry path)
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(setenv "CL_SOURCE_REGISTRY"
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(string-append path ":" (or (getenv "CL_SOURCE_REGISTRY") ""))))
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(define* (build-program program outputs #:key
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(dependency-prefixes (list (library-output outputs)))
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(dependencies (list (basename program)))
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entry-program
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#:allow-other-keys)
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"Generate an executable program containing all DEPENDENCIES, and which will
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execute ENTRY-PROGRAM. The result is placed in PROGRAM. When executed, it
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will run ENTRY-PROGRAM, a list of Common Lisp expressions in which `arguments'
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has been bound to the command-line arguments which were passed. Link in any
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asd files from DEPENDENCY-PREFIXES to ensure references to those libraries are
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retained."
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(generate-executable program
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#:dependencies dependencies
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#:dependency-prefixes dependency-prefixes
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#:entry-program entry-program
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#:type 'asdf:program-op)
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(let* ((name (basename program))
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(bin-directory (dirname program)))
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(with-directory-excursion bin-directory
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(rename-file (string-append name "-exec")
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name)))
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#t)
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(define* (build-image image outputs #:key
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(dependency-prefixes (list (library-output outputs)))
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(dependencies (list (basename image)))
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#:allow-other-keys)
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"Generate an image, possibly standalone, which contains all DEPENDENCIES,
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placing the result in IMAGE.image. Link in any asd files from
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DEPENDENCY-PREFIXES to ensure references to those libraries are retained."
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(generate-executable image
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#:dependencies dependencies
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#:dependency-prefixes dependency-prefixes
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#:entry-program '(nil)
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#:type 'asdf:image-op)
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(let* ((name (basename image))
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(bin-directory (dirname image)))
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(with-directory-excursion bin-directory
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(rename-file (string-append name "-exec--all-systems.image")
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(string-append name ".image"))))
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#t)
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(define* (generate-executable out-file #:key
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dependencies
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dependency-prefixes
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entry-program
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type
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#:allow-other-keys)
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"Generate an executable by using asdf operation TYPE, containing whithin the
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image all DEPENDENCIES, and running ENTRY-PROGRAM in the case of an
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executable. Link in any asd files from DEPENDENCY-PREFIXES to ensure
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references to those libraries are retained."
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(let* ((bin-directory (dirname out-file))
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(name (basename out-file)))
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(mkdir-p bin-directory)
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(with-directory-excursion bin-directory
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(generate-executable-wrapper-system name dependencies)
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(generate-executable-entry-point name entry-program))
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(prepend-to-source-registry
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(string-append bin-directory "/"))
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(setenv "ASDF_OUTPUT_TRANSLATIONS"
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(replace-escaped-macros
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(format
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#f "~S"
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(wrap-output-translations
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`(((,bin-directory :**/ :*.*.*)
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(,bin-directory :**/ :*.*.*)))))))
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(generate-executable-for-system type name)
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(let* ((after-store-prefix-index
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(string-index out-file #\/
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(1+ (string-length (%store-directory)))))
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(output (string-take out-file after-store-prefix-index))
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(hidden-asd-links (string-append output "/.asd-files")))
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(mkdir-p hidden-asd-links)
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(for-each
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(lambda (path)
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(for-each
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(lambda (asd-file)
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(symlink asd-file
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(string-append hidden-asd-links
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"/" (basename asd-file))))
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(find-files (string-append path (%bundle-install-prefix))
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"\\.asd$")))
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dependency-prefixes))
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(delete-file (string-append bin-directory "/" name "-exec.asd"))
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(delete-file (string-append bin-directory "/" name "-exec.lisp"))))
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