376 lines
12 KiB
EmacsLisp
376 lines
12 KiB
EmacsLisp
;;; guix-devel.el --- Development tools -*- lexical-binding: t -*-
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;; Copyright © 2015 Alex Kost <alezost@gmail.com>
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;; This file is part of GNU Guix.
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;; GNU Guix is free software; you can redistribute it and/or modify
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;; it 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
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;; (at your option) any later version.
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;; GNU Guix is distributed in the hope that it will be useful,
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;; but 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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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; This file provides commands useful for developing Guix (or even
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;; arbitrary Guile code) with Geiser.
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;;; Code:
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(require 'lisp-mode)
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(require 'guix-guile)
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(require 'guix-geiser)
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(require 'guix-utils)
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(require 'guix-base)
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(defgroup guix-devel nil
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"Settings for Guix development utils."
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:group 'guix)
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(defgroup guix-devel-faces nil
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"Faces for `guix-devel-mode'."
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:group 'guix-devel
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:group 'guix-faces)
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(defface guix-devel-modify-phases-keyword
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'((t :inherit font-lock-preprocessor-face))
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"Face for a `modify-phases' keyword ('delete', 'replace', etc.)."
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:group 'guix-devel-faces)
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(defface guix-devel-gexp-symbol
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'((t :inherit font-lock-keyword-face))
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"Face for gexp symbols ('#~', '#$', etc.).
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See Info node `(guix) G-Expressions'."
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:group 'guix-devel-faces)
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(defcustom guix-devel-activate-mode t
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"If non-nil, then `guix-devel-mode' is automatically activated
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in Scheme buffers."
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:type 'boolean
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:group 'guix-devel)
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(defun guix-devel-use-modules (&rest modules)
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"Use guile MODULES."
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(apply #'guix-geiser-call "use-modules" modules))
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(defun guix-devel-use-module (&optional module)
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"Use guile MODULE in the current Geiser REPL.
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MODULE is a string with the module name - e.g., \"(ice-9 match)\".
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Interactively, use the module defined by the current scheme file."
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(interactive (list (guix-guile-current-module)))
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(guix-devel-use-modules module)
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(message "Using %s module." module))
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(defun guix-devel-copy-module-as-kill ()
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"Put the name of the current guile module into `kill-ring'."
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(interactive)
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(guix-copy-as-kill (guix-guile-current-module)))
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(defun guix-devel-setup-repl (&optional repl)
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"Setup REPL for using `guix-devel-...' commands."
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(guix-devel-use-modules "(guix monad-repl)"
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"(guix scripts)"
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"(guix store)"
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"(guix ui)")
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;; Without this workaround, the warning/build output disappears. See
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;; <https://github.com/jaor/geiser/issues/83> for details.
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(guix-geiser-eval-in-repl-synchronously
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"(begin
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(guix-warning-port (current-warning-port))
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(current-build-output-port (current-error-port)))"
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repl 'no-history 'no-display))
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(defvar guix-devel-repl-processes nil
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"List of REPL processes configured by `guix-devel-setup-repl'.")
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(defun guix-devel-setup-repl-maybe (&optional repl)
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"Setup (if needed) REPL for using `guix-devel-...' commands."
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(let ((process (get-buffer-process (or repl (guix-geiser-repl)))))
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(when (and process
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(not (memq process guix-devel-repl-processes)))
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(guix-devel-setup-repl repl)
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(push process guix-devel-repl-processes))))
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(defmacro guix-devel-with-definition (def-var &rest body)
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"Run BODY with the current guile definition bound to DEF-VAR.
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Bind DEF-VAR variable to the name of the current top-level
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definition, setup the current REPL, use the current module, and
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run BODY."
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(declare (indent 1) (debug (symbolp body)))
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`(let ((,def-var (guix-guile-current-definition)))
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(guix-devel-setup-repl-maybe)
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(guix-devel-use-modules (guix-guile-current-module))
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,@body))
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(defun guix-devel-build-package-definition ()
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"Build a package defined by the current top-level variable definition."
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(interactive)
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(guix-devel-with-definition def
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(when (or (not guix-operation-confirm)
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(guix-operation-prompt (format "Build '%s'?" def)))
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(guix-geiser-eval-in-repl
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(concat ",run-in-store "
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(guix-guile-make-call-expression
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"build-package" def
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"#:use-substitutes?" (guix-guile-boolean
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guix-use-substitutes)
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"#:dry-run?" (guix-guile-boolean guix-dry-run)))))))
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(defun guix-devel-build-package-source ()
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"Build the source of the current package definition."
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(interactive)
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(guix-devel-with-definition def
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(when (or (not guix-operation-confirm)
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(guix-operation-prompt
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(format "Build '%s' package source?" def)))
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(guix-geiser-eval-in-repl
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(concat ",run-in-store "
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(guix-guile-make-call-expression
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"build-package-source" def
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"#:use-substitutes?" (guix-guile-boolean
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guix-use-substitutes)
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"#:dry-run?" (guix-guile-boolean guix-dry-run)))))))
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(defun guix-devel-lint-package ()
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"Check the current package.
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See Info node `(guix) Invoking guix lint' for details."
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(interactive)
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(guix-devel-with-definition def
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(guix-devel-use-modules "(guix scripts lint)")
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(when (or (not guix-operation-confirm)
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(y-or-n-p (format "Lint '%s' package?" def)))
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(guix-geiser-eval-in-repl
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(format "(run-checkers %s)" def)))))
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;;; Font-lock
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(defvar guix-devel-modify-phases-keyword-regexp
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(rx (+ word))
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"Regexp for a 'modify-phases' keyword ('delete', 'replace', etc.).")
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(defun guix-devel-modify-phases-font-lock-matcher (limit)
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"Find a 'modify-phases' keyword.
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This function is used as a MATCHER for `font-lock-keywords'."
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(ignore-errors
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(down-list)
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(or (re-search-forward guix-devel-modify-phases-keyword-regexp
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limit t)
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(set-match-data nil))
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(up-list)
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t))
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(defun guix-devel-modify-phases-font-lock-pre ()
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"Skip the next sexp, and return the end point of the current list.
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This function is used as a PRE-MATCH-FORM for `font-lock-keywords'
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to find 'modify-phases' keywords."
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(let ((in-comment? (nth 4 (syntax-ppss))))
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;; If 'modify-phases' is commented, do not try to search for its
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;; keywords.
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(unless in-comment?
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(ignore-errors (forward-sexp))
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(save-excursion (up-list) (point)))))
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(defconst guix-devel-keywords
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'("call-with-compressed-output-port"
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"call-with-container"
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"call-with-decompressed-port"
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"call-with-derivation-narinfo"
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"call-with-derivation-substitute"
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"call-with-error-handling"
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"call-with-temporary-directory"
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"call-with-temporary-output-file"
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"define-enumerate-type"
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"define-gexp-compiler"
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"define-lift"
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"define-monad"
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"define-operation"
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"define-record-type*"
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"emacs-substitute-sexps"
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"emacs-substitute-variables"
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"mbegin"
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"mlet"
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"mlet*"
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"munless"
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"mwhen"
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"run-with-state"
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"run-with-store"
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"signature-case"
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"substitute*"
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"substitute-keyword-arguments"
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"test-assertm"
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"use-package-modules"
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"use-service-modules"
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"use-system-modules"
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"with-atomic-file-output"
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"with-atomic-file-replacement"
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"with-derivation-narinfo"
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"with-derivation-substitute"
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"with-directory-excursion"
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"with-error-handling"
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"with-monad"
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"with-mutex"
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"with-store"))
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(defvar guix-devel-font-lock-keywords
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`((,(rx (or "#~" "#$" "#$@" "#+" "#+@")) .
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'guix-devel-gexp-symbol)
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(,(guix-guile-keyword-regexp (regexp-opt guix-devel-keywords))
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(1 'font-lock-keyword-face))
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(,(guix-guile-keyword-regexp "modify-phases")
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(1 'font-lock-keyword-face)
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(guix-devel-modify-phases-font-lock-matcher
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(guix-devel-modify-phases-font-lock-pre)
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nil
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(0 'guix-devel-modify-phases-keyword nil t))))
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"A list of `font-lock-keywords' for `guix-devel-mode'.")
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;;; Indentation
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(defmacro guix-devel-scheme-indent (&rest rules)
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"Set `scheme-indent-function' according to RULES.
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Each rule should have a form (SYMBOL VALUE). See `put' for details."
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(declare (indent 0))
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`(progn
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,@(mapcar (lambda (rule)
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`(put ',(car rule) 'scheme-indent-function ,(cadr rule)))
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rules)))
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(defun guix-devel-indent-package (state indent-point normal-indent)
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"Indentation rule for 'package' form."
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(let* ((package-eol (line-end-position))
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(count (if (and (ignore-errors (down-list) t)
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(< (point) package-eol)
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(looking-at "inherit\\>"))
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1
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0)))
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(lisp-indent-specform count state indent-point normal-indent)))
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(defun guix-devel-indent-modify-phases-keyword (count)
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"Return indentation function for 'modify-phases' keywords."
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(lambda (state indent-point normal-indent)
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(when (ignore-errors
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(goto-char (nth 1 state)) ; start of keyword sexp
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(backward-up-list)
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(looking-at "(modify-phases\\>"))
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(lisp-indent-specform count state indent-point normal-indent))))
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(defalias 'guix-devel-indent-modify-phases-keyword-1
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(guix-devel-indent-modify-phases-keyword 1))
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(defalias 'guix-devel-indent-modify-phases-keyword-2
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(guix-devel-indent-modify-phases-keyword 2))
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(guix-devel-scheme-indent
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(bag 0)
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(build-system 0)
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(call-with-compressed-output-port 2)
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(call-with-container 1)
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(call-with-decompressed-port 2)
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(call-with-error-handling 0)
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(container-excursion 1)
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(emacs-batch-edit-file 1)
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(emacs-batch-eval 0)
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(emacs-substitute-sexps 1)
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(emacs-substitute-variables 1)
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(file-system 0)
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(graft 0)
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(manifest-entry 0)
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(manifest-pattern 0)
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(mbegin 1)
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(mlet 2)
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(mlet* 2)
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(modify-phases 1)
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(munless 1)
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(mwhen 1)
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(operating-system 0)
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(origin 0)
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(package 'guix-devel-indent-package)
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(run-with-state 1)
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(run-with-store 1)
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(signature-case 1)
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(substitute* 1)
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(substitute-keyword-arguments 1)
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(test-assertm 1)
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(with-atomic-file-output 1)
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(with-derivation-narinfo 1)
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(with-derivation-substitute 2)
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(with-directory-excursion 1)
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(with-error-handling 0)
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(with-monad 1)
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(with-mutex 1)
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(with-store 1)
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(wrap-program 1)
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;; 'modify-phases' keywords:
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(replace 'guix-devel-indent-modify-phases-keyword-1)
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(add-after 'guix-devel-indent-modify-phases-keyword-2)
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(add-before 'guix-devel-indent-modify-phases-keyword-2))
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(defvar guix-devel-keys-map
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(let ((map (make-sparse-keymap)))
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(define-key map (kbd "b") 'guix-devel-build-package-definition)
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(define-key map (kbd "s") 'guix-devel-build-package-source)
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(define-key map (kbd "l") 'guix-devel-lint-package)
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(define-key map (kbd "k") 'guix-devel-copy-module-as-kill)
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(define-key map (kbd "u") 'guix-devel-use-module)
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map)
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"Keymap with subkeys for `guix-devel-mode-map'.")
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(defvar guix-devel-mode-map
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(let ((map (make-sparse-keymap)))
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(define-key map (kbd "C-c .") guix-devel-keys-map)
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map)
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"Keymap for `guix-devel-mode'.")
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;;;###autoload
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(define-minor-mode guix-devel-mode
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"Minor mode for `scheme-mode' buffers.
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With a prefix argument ARG, enable the mode if ARG is positive,
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and disable it otherwise. If called from Lisp, enable the mode
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if ARG is omitted or nil.
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When Guix Devel mode is enabled, it provides the following key
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bindings:
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\\{guix-devel-mode-map}"
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:init-value nil
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:lighter " Guix"
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:keymap guix-devel-mode-map
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(if guix-devel-mode
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(progn
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(setq-local font-lock-multiline t)
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(font-lock-add-keywords nil guix-devel-font-lock-keywords))
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(setq-local font-lock-multiline nil)
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(font-lock-remove-keywords nil guix-devel-font-lock-keywords))
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(when font-lock-mode
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(font-lock-fontify-buffer)))
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;;;###autoload
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(defun guix-devel-activate-mode-maybe ()
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"Activate `guix-devel-mode' depending on
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`guix-devel-activate-mode' variable."
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(when guix-devel-activate-mode
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(guix-devel-mode)))
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(defvar guix-devel-emacs-font-lock-keywords
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(eval-when-compile
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`((,(rx "(" (group "guix-devel-with-definition") symbol-end) . 1))))
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(font-lock-add-keywords 'emacs-lisp-mode
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guix-devel-emacs-font-lock-keywords)
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(provide 'guix-devel)
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;;; guix-devel.el ends here
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