diff options
| -rw-r--r-- | emacs/guix-base.el | 33 | ||||
| -rw-r--r-- | emacs/guix-info.el | 130 | ||||
| -rw-r--r-- | emacs/guix-main.scm | 49 |
3 files changed, 204 insertions, 8 deletions
diff --git a/emacs/guix-base.el b/emacs/guix-base.el index a6e56dced1..23575ac2bf 100644 --- a/emacs/guix-base.el +++ b/emacs/guix-base.el @@ -82,6 +82,7 @@ Interactively, prompt for PATH. With prefix, use (id . "ID") (name . "Name") (version . "Version") + (source . "Source") (license . "License") (synopsis . "Synopsis") (description . "Description") @@ -100,6 +101,7 @@ Interactively, prompt for PATH. With prefix, use (id . "ID") (name . "Name") (version . "Version") + (source . "Source") (license . "License") (synopsis . "Synopsis") (description . "Description") @@ -954,13 +956,14 @@ ENTRIES is a list of package entries to get info about packages." strings) (insert "\n"))) -(defun guix-operation-prompt () +(defun guix-operation-prompt (&optional prompt) "Prompt a user for continuing the current operation. -Return non-nil, if the operation should be continued; nil otherwise." +Return non-nil, if the operation should be continued; nil otherwise. +Ask a user with PROMPT for continuing an operation." (let* ((option-keys (mapcar #'guix-operation-option-key guix-operation-options)) (keys (append '(?y ?n) option-keys)) - (prompt (concat (propertize "Continue operation?" + (prompt (concat (propertize (or prompt "Continue operation?") 'face 'minibuffer-prompt) " (" (mapconcat @@ -1035,6 +1038,30 @@ Each element from GENERATIONS is a generation number." 'switch-to-generation profile generation) operation-buffer))) +(defun guix-package-source-path (package-id) + "Return a store file path to a source of a package PACKAGE-ID." + (message "Calculating the source derivation ...") + (guix-eval-read + (guix-make-guile-expression + 'package-source-path package-id))) + +(defvar guix-after-source-download-hook nil + "Hook run after successful performing a 'source-download' operation.") + +(defun guix-package-source-build-derivation (package-id &optional prompt) + "Build source derivation of a package PACKAGE-ID. +Ask a user with PROMPT for continuing an operation." + (when (or (not guix-operation-confirm) + (guix-operation-prompt (or prompt + "Build the source derivation?"))) + (guix-eval-in-repl + (guix-make-guile-expression + 'package-source-build-derivation + package-id + :use-substitutes? (or guix-use-substitutes 'f) + :dry-run? (or guix-dry-run 'f)) + nil 'source-download))) + ;;; Pull diff --git a/emacs/guix-info.el b/emacs/guix-info.el index 70ae39c970..cbf8f46ad6 100644 --- a/emacs/guix-info.el +++ b/emacs/guix-info.el @@ -1,4 +1,4 @@ -;;; guix-info.el --- Info buffers for displaying entries +;;; guix-info.el --- Info buffers for displaying entries -*- lexical-binding: t -*- ;; Copyright © 2014 Alex Kost <alezost@gmail.com> @@ -24,7 +24,6 @@ ;;; Code: -(require 'guix-history) (require 'guix-base) (require 'guix-utils) @@ -107,6 +106,8 @@ number of characters, it will be split into several lines.") guix-info-insert-title-simple) (outputs guix-package-info-insert-outputs guix-info-insert-title-simple) + (source guix-package-info-insert-source + guix-info-insert-title-simple) (home-url guix-info-insert-url) (inputs guix-package-info-insert-inputs) (native-inputs guix-package-info-insert-native-inputs) @@ -121,6 +122,8 @@ number of characters, it will be split into several lines.") (name guix-package-info-name) (version guix-output-info-insert-version) (output guix-output-info-insert-output) + (source guix-package-info-insert-source + guix-info-insert-title-simple) (path guix-package-info-insert-output-path guix-info-insert-title-simple) (dependencies guix-package-info-insert-output-dependencies @@ -157,10 +160,11 @@ is a function, this function is called with parameter title as argument.") (defvar guix-info-displayed-params - '((package name version synopsis outputs location home-url + '((package name version synopsis outputs source location home-url license inputs native-inputs propagated-inputs description) - (output name version output synopsis path dependencies location home-url - license inputs native-inputs propagated-inputs description) + (output name version output synopsis source path dependencies location + home-url license inputs native-inputs propagated-inputs + description) (installed path dependencies) (generation number prev-number current time path)) "List of displayed entry parameters. @@ -652,6 +656,122 @@ ENTRY is an alist with package info." 'guix-package-info-insert-output-path) +;;; Inserting a source + +(defface guix-package-info-source + '((t :inherit link :underline nil)) + "Face used for a source URL of a package." + :group 'guix-package-info) + +(defcustom guix-package-info-auto-find-source nil + "If non-nil, find a source file after pressing a \"Show\" button. +If nil, just display the source file path without finding." + :type 'boolean + :group 'guix-package-info) + +(defcustom guix-package-info-auto-download-source t + "If nil, do not automatically download a source file if it doesn't exist. +After pressing a \"Show\" button, a derivation of the package +source is calculated and a store file path is displayed. If this +variable is non-nil and the source file does not exist in the +store, it will be automatically downloaded (with a possible +prompt depending on `guix-operation-confirm' variable)." + :type 'boolean + :group 'guix-package-info) + +(defvar guix-package-info-download-buffer nil + "Buffer from which a current download operation was performed.") + +(define-button-type 'guix-package-source + :supertype 'guix + 'face 'guix-package-info-source + 'help-echo "" + 'action (lambda (_) + ;; As a source may not be a real URL (e.g., "mirror://..."), + ;; no action is bound to a source button. + (message "Yes, this is the source URL. What did you expect?"))) + +(defun guix-package-info-insert-source-url (url &optional _) + "Make button from source URL and insert it at point." + (guix-insert-button url 'guix-package-source)) + +(defun guix-package-info-show-source (entry-id package-id) + "Show file name of a package source in the current info buffer. +Find the file if needed (see `guix-package-info-auto-find-source'). +ENTRY-ID is an ID of the current entry (package or output). +PACKAGE-ID is an ID of the package which source to show." + (let* ((entry (guix-get-entry-by-id entry-id guix-entries)) + (file (guix-package-source-path package-id))) + (or file + (error "Couldn't define file path of the package source")) + (let* ((new-entry (cons (cons 'source-file file) + entry)) + (entries (cl-substitute-if + new-entry + (lambda (entry) + (equal (guix-get-key-val entry 'id) + entry-id)) + guix-entries + :count 1))) + (guix-redisplay-buffer :entries entries) + (if (file-exists-p file) + (if guix-package-info-auto-find-source + (guix-find-file file) + (message "The source store path is displayed.")) + (if guix-package-info-auto-download-source + (guix-package-info-download-source package-id) + (message "The source does not exist in the store.")))))) + +(defun guix-package-info-download-source (package-id) + "Download a source of the package PACKAGE-ID." + (setq guix-package-info-download-buffer (current-buffer)) + (guix-package-source-build-derivation + package-id + "The source does not exist in the store. Download it?")) + +(defun guix-package-info-insert-source (source entry) + "Insert SOURCE from package ENTRY at point. +SOURCE is a list of URLs." + (guix-info-insert-indent) + (if (null source) + (guix-format-insert nil) + (let* ((source-file (guix-get-key-val entry 'source-file)) + (entry-id (guix-get-key-val entry 'id)) + (package-id (or (guix-get-key-val entry 'package-id) + entry-id))) + (if (null source-file) + (guix-info-insert-action-button + "Show" + (lambda (btn) + (guix-package-info-show-source (button-get btn 'entry-id) + (button-get btn 'package-id))) + "Show the source store path of the current package" + 'entry-id entry-id + 'package-id package-id) + (unless (file-exists-p source-file) + (guix-info-insert-action-button + "Download" + (lambda (btn) + (guix-package-info-download-source + (button-get btn 'package-id))) + "Download the source into the store" + 'package-id package-id)) + (guix-info-insert-val-simple source-file + #'guix-info-insert-file-path)) + (guix-info-insert-val-simple source + #'guix-package-info-insert-source-url)))) + +(defun guix-package-info-redisplay-after-download () + "Redisplay an 'info' buffer after downloading the package source. +This function is used to hide a \"Download\" button if needed." + (when (buffer-live-p guix-package-info-download-buffer) + (guix-redisplay-buffer :buffer guix-package-info-download-buffer) + (setq guix-package-info-download-buffer nil))) + +(add-hook 'guix-after-source-download-hook + 'guix-package-info-redisplay-after-download) + + ;;; Displaying outputs (guix-define-buffer-type info output diff --git a/emacs/guix-main.scm b/emacs/guix-main.scm index 62eeabba1e..8ad4dcbdd7 100644 --- a/emacs/guix-main.scm +++ b/emacs/guix-main.scm @@ -46,10 +46,12 @@ (ice-9 vlist) (ice-9 match) (srfi srfi-1) + (srfi srfi-2) (srfi srfi-11) (srfi srfi-19) (srfi srfi-26) (guix) + (guix git-download) (guix packages) (guix profiles) (guix licenses) @@ -252,6 +254,18 @@ Example: (license-name license))) (list-maybe (package-license package)))) +(define (package-source-names package) + "Return a list of source names (URLs) of the PACKAGE." + (let ((source (package-source package))) + (and (origin? source) + (filter-map (lambda (uri) + (cond ((string? uri) + uri) + ((git-reference? uri) + (git-reference-url uri)) + (else "Unknown source type"))) + (list-maybe (origin-uri source)))))) + (define (package-unique? package) "Return #t if PACKAGE is a single package with such name/version." (null? (cdr (packages-by-name (package-name package) @@ -263,6 +277,7 @@ Example: (name . ,package-name) (version . ,package-version) (license . ,package-license-names) + (source . ,package-source-names) (synopsis . ,package-synopsis) (description . ,package-description) (home-url . ,package-home-page) @@ -867,3 +882,37 @@ OUTPUTS is a list of package outputs (may be an empty list)." GENERATIONS is a list of generation numbers." (with-store store (delete-generations store profile generations))) + +(define (package-source-derivation->store-path derivation) + "Return a store path of the package source DERIVATION." + (match (derivation-outputs derivation) + ;; Source derivation is always (("out" . derivation)). + (((_ . output-drv)) + (derivation-output-path output-drv)) + (_ #f))) + +(define (package-source-path package-id) + "Return a store file path to a source of a package PACKAGE-ID." + (and-let* ((package (package-by-id package-id)) + (source (package-source package))) + (with-store store + (package-source-derivation->store-path + (package-source-derivation store source))))) + +(define* (package-source-build-derivation package-id #:key dry-run? + (use-substitutes? #t)) + "Build source derivation of a package PACKAGE-ID." + (and-let* ((package (package-by-id package-id)) + (source (package-source package))) + (with-store store + (let* ((derivation (package-source-derivation store source)) + (derivations (list derivation))) + (set-build-options store + #:use-substitutes? use-substitutes?) + (show-what-to-build store derivations + #:use-substitutes? use-substitutes? + #:dry-run? dry-run?) + (unless dry-run? + (build-derivations store derivations)) + (format #t "The source store path: ~a~%" + (package-source-derivation->store-path derivation)))))) |