;;; Code:
(require 'cl-lib)
+(require 'guix-profiles)
(require 'guix-backend)
(require 'guix-utils)
-
-\f
-;;; Profiles
-
-(defvar guix-user-profile
- (expand-file-name "~/.guix-profile")
- "User profile.")
-
-(defvar guix-default-profile
- (concat (or (getenv "NIX_STATE_DIR") "/var/guix")
- "/profiles/per-user/"
- (getenv "USER")
- "/guix-profile")
- "Default Guix profile.")
-
-(defvar guix-current-profile guix-default-profile
- "Current profile.")
-
-(defun guix-set-current-profile (path)
- "Set `guix-current-profile' to PATH.
-Interactively, prompt for PATH. With prefix, use
-`guix-default-profile'."
- (interactive
- (list (if current-prefix-arg
- guix-default-profile
- (read-file-name "Set profile: "
- (file-name-directory guix-current-profile)))))
- (let ((path (directory-file-name (expand-file-name path))))
- (setq guix-current-profile
- (if (string= path guix-user-profile)
- guix-default-profile
- path))
- (message "Current profile has been set to '%s'."
- guix-current-profile)))
+(require 'guix-history)
+(require 'guix-messages)
\f
;;; Parameters of the entries
(id . "ID")
(name . "Name")
(version . "Version")
+ (source . "Source")
(license . "License")
(synopsis . "Synopsis")
(description . "Description")
(id . "ID")
(name . "Name")
(version . "Version")
+ (source . "Source")
(license . "License")
(synopsis . "Synopsis")
(description . "Description")
(id . "ID")
(number . "Number")
(prev-number . "Previous number")
+ (current . "Current")
(path . "Path")
(time . "Time")))
"List for defining titles of entry parameters.
(guix-get-key-val entry 'version)
output))
+(defun guix-entry-to-specification (entry)
+ "Return name specification by the package or output ENTRY."
+ (guix-get-name-spec (guix-get-key-val entry 'name)
+ (guix-get-key-val entry 'version)
+ (guix-get-key-val entry 'output)))
+
+(defun guix-entries-to-specifications (entries)
+ "Return name specifications by the package or output ENTRIES."
+ (cl-remove-duplicates (mapcar #'guix-entry-to-specification entries)
+ :test #'string=))
+
(defun guix-get-installed-outputs (entry)
"Return list of installed outputs for the package ENTRY."
(mapcar (lambda (installed-entry)
(recenter 1))))
\f
+;;; Buffers and auto updating.
+
+(defcustom guix-update-after-operation 'current
+ "Define what information to update after executing an operation.
+
+After successful executing an operation in the Guix REPL (for
+example after installing a package), information in Guix buffers
+will or will not be automatically updated depending on a value of
+this variable.
+
+If nil, update nothing (do not revert any buffer).
+If `current', update the buffer from which an operation was performed.
+If `all', update all Guix buffers (not recommended)."
+ :type '(choice (const :tag "Do nothing" nil)
+ (const :tag "Update operation buffer" current)
+ (const :tag "Update all Guix buffers" all))
+ :group 'guix)
+
+(defcustom guix-buffer-name-function #'guix-buffer-name-default
+ "Function used to define name of a buffer for displaying information.
+The function is called with 4 arguments: PROFILE, BUFFER-TYPE,
+ENTRY-TYPE, SEARCH-TYPE. See `guix-get-entries' for the meaning
+of the arguments."
+ :type '(choice (function-item guix-buffer-name-default)
+ (function-item guix-buffer-name-simple)
+ (function :tag "Other function"))
+ :group 'guix)
+
+(defun guix-buffer-name-simple (_profile buffer-type entry-type
+ &optional _search-type)
+ "Return name of a buffer used for displaying information.
+The name is defined by `guix-ENTRY-TYPE-BUFFER-TYPE-buffer-name'
+variable."
+ (symbol-value
+ (guix-get-symbol "buffer-name" buffer-type entry-type)))
+
+(defun guix-buffer-name-default (profile buffer-type entry-type
+ &optional _search-type)
+ "Return name of a buffer used for displaying information.
+The name is almost the same as the one defined by
+`guix-buffer-name-simple' except the PROFILE name is added to it."
+ (let ((simple-name (guix-buffer-name-simple
+ profile buffer-type entry-type))
+ (profile-name (file-name-base (directory-file-name profile)))
+ (re (rx string-start
+ (group (? "*"))
+ (group (*? any))
+ (group (? "*"))
+ string-end)))
+ (or (string-match re simple-name)
+ (error "Unexpected error in defining guix buffer name"))
+ (let ((first* (match-string 1 simple-name))
+ (name-body (match-string 2 simple-name))
+ (last* (match-string 3 simple-name)))
+ ;; Handle the case when buffer name is wrapped by '*'.
+ (if (and (string= "*" first*)
+ (string= "*" last*))
+ (concat "*" name-body ": " profile-name "*")
+ (concat simple-name ": " profile-name)))))
+
+(defun guix-buffer-name (profile buffer-type entry-type search-type)
+ "Return name of a buffer used for displaying information.
+See `guix-buffer-name-function' for details."
+ (let ((fun (if (functionp guix-buffer-name-function)
+ guix-buffer-name-function
+ #'guix-buffer-name-default)))
+ (funcall fun profile buffer-type entry-type search-type)))
+
+(defun guix-switch-to-buffer (buffer)
+ "Switch to a 'list' or 'info' BUFFER."
+ (pop-to-buffer buffer
+ '((display-buffer-reuse-window
+ display-buffer-same-window))))
+
+(defun guix-buffer-p (&optional buffer modes)
+ "Return non-nil if BUFFER mode is derived from any of the MODES.
+If BUFFER is nil, check current buffer.
+If MODES is nil, use `guix-list-mode' and `guix-info-mode'."
+ (with-current-buffer (or buffer (current-buffer))
+ (apply #'derived-mode-p
+ (or modes
+ '(guix-list-mode guix-info-mode)))))
+
+(defun guix-buffers (&optional modes)
+ "Return list of all buffers with major modes derived from MODES.
+If MODES is nil, return list of all Guix 'list' and 'info' buffers."
+ (cl-remove-if-not (lambda (buf)
+ (guix-buffer-p buf modes))
+ (buffer-list)))
+
+(defun guix-update-buffer (buffer)
+ "Update information in a 'list' or 'info' BUFFER."
+ (with-current-buffer buffer
+ (guix-revert-buffer nil t)))
+
+(defun guix-update-buffers-maybe-after-operation ()
+ "Update buffers after Guix operation if needed.
+See `guix-update-after-operation' for details."
+ (let ((to-update
+ (and guix-operation-buffer
+ (cl-case guix-update-after-operation
+ (current (and (buffer-live-p guix-operation-buffer)
+ (guix-buffer-p guix-operation-buffer)
+ (list guix-operation-buffer)))
+ (all (guix-buffers))))))
+ (setq guix-operation-buffer nil)
+ (mapc #'guix-update-buffer to-update)))
+
+(add-hook 'guix-after-repl-operation-hook
+ 'guix-update-buffers-maybe-after-operation)
+
+\f
;;; Common definitions for buffer types
+(defvar-local guix-profile nil
+ "Profile used for the current buffer.")
+(put 'guix-profile 'permanent-local t)
+
(defvar-local guix-entries nil
"List of the currently displayed entries.
Each element of the list is alist with entry info of the
"Values of the current search.")
(put 'guix-search-vals 'permanent-local t)
-(defsubst guix-set-vars (entries buffer-type entry-type
+(defsubst guix-set-vars (profile entries buffer-type entry-type
search-type search-vals)
- (setq guix-entries entries
- guix-buffer-type buffer-type
- guix-entry-type entry-type
- guix-search-type search-type
- guix-search-vals search-vals))
+ "Set local variables for the current Guix buffer."
+ (setq default-directory profile
+ guix-profile profile
+ guix-entries entries
+ guix-buffer-type buffer-type
+ guix-entry-type entry-type
+ guix-search-type search-type
+ guix-search-vals search-vals))
(defun guix-get-symbol (postfix buffer-type &optional entry-type)
(intern (concat "guix-"
(const :tag "Display outputs" output))
:group 'guix)
-(defun guix-get-entries (entry-type search-type search-vals
+(defun guix-get-entries (profile entry-type search-type search-vals
&optional params)
"Search for entries of ENTRY-TYPE.
`all-available', `newest-available', `installed', `obsolete',
`generation'.
-- If ENTRY-TYPE is `generation': `id', `last', `all'.
+- If ENTRY-TYPE is `generation': `id', `last', `all', `time'.
PARAMS is a list of parameters for receiving. If nil, get
information with all available parameters."
(guix-eval-read (guix-make-guile-expression
'entries
- guix-current-profile params
- entry-type search-type search-vals)))
+ profile params entry-type search-type search-vals)))
-(defun guix-get-show-entries (buffer-type entry-type search-type
- &rest search-vals)
+(defun guix-get-show-entries (profile buffer-type entry-type search-type
+ &rest search-vals)
"Search for ENTRY-TYPE entries and show results in BUFFER-TYPE buffer.
See `guix-get-entries' for the meaning of SEARCH-TYPE and SEARCH-VALS."
- (let ((entries (guix-get-entries entry-type search-type search-vals
+ (let ((entries (guix-get-entries profile entry-type search-type search-vals
(guix-get-params-for-receiving
buffer-type entry-type))))
- (guix-set-buffer entries buffer-type entry-type
+ (guix-set-buffer profile entries buffer-type entry-type
search-type search-vals)))
-(defun guix-set-buffer (entries buffer-type entry-type search-type
- search-vals &optional history-replace)
+(defun guix-set-buffer (profile entries buffer-type entry-type search-type
+ search-vals &optional history-replace no-display)
"Set up BUFFER-TYPE buffer for displaying ENTRY-TYPE ENTRIES.
-Display ENTRIES, set variables and make history item.
+Insert ENTRIES in buffer, set variables and make history item.
ENTRIES should have a form of `guix-entries'.
See `guix-get-entries' for the meaning of SEARCH-TYPE and SEARCH-VALS.
If HISTORY-REPLACE is non-nil, replace current history item,
-otherwise add the new one."
+otherwise add the new one.
+
+If NO-DISPLAY is non-nil, do not switch to the buffer."
(when entries
- (let ((buf (if (eq major-mode (guix-get-symbol
- "mode" buffer-type entry-type))
+ (let ((buf (if (and (eq major-mode
+ (guix-get-symbol "mode" buffer-type entry-type))
+ (equal guix-profile profile))
(current-buffer)
(get-buffer-create
- (symbol-value
- (guix-get-symbol "buffer-name"
- buffer-type entry-type))))))
+ (guix-buffer-name profile buffer-type
+ entry-type search-type)))))
(with-current-buffer buf
(guix-show-entries entries buffer-type entry-type)
- (guix-set-vars entries buffer-type entry-type
+ (guix-set-vars profile entries buffer-type entry-type
search-type search-vals)
(funcall (if history-replace
#'guix-history-replace
#'guix-history-add)
(guix-make-history-item)))
- (pop-to-buffer buf
- '((display-buffer-reuse-window
- display-buffer-same-window)))))
- (guix-result-message entries entry-type search-type search-vals))
+ (or no-display
+ (guix-switch-to-buffer buf))))
+ (guix-result-message profile entries entry-type
+ search-type search-vals))
(defun guix-show-entries (entries buffer-type entry-type)
"Display ENTRY-TYPE ENTRIES in the current BUFFER-TYPE buffer."
entries entry-type)
(goto-char (point-min))))
-(defun guix-history-call (entries buffer-type entry-type
+(defun guix-history-call (profile entries buffer-type entry-type
search-type search-vals)
"Function called for moving by history."
(guix-show-entries entries buffer-type entry-type)
- (guix-set-vars entries buffer-type entry-type
+ (guix-set-vars profile entries buffer-type entry-type
search-type search-vals)
- (guix-result-message entries entry-type search-type search-vals))
+ (guix-result-message profile entries entry-type
+ search-type search-vals))
(defun guix-make-history-item ()
"Make and return a history item for the current buffer."
(list #'guix-history-call
- guix-entries guix-buffer-type guix-entry-type
+ guix-profile guix-entries guix-buffer-type guix-entry-type
guix-search-type guix-search-vals))
(defun guix-get-params-for-receiving (buffer-type entry-type)
(guix-get-symbol "revert-no-confirm"
guix-buffer-type guix-entry-type))
(y-or-n-p "Update current information? "))
- (let ((entries (guix-get-entries
- guix-entry-type guix-search-type guix-search-vals
- (guix-get-params-for-receiving guix-buffer-type
- guix-entry-type))))
- (guix-set-buffer entries guix-buffer-type guix-entry-type
- guix-search-type guix-search-vals t))))
-
-(defun guix-redisplay-buffer ()
- "Redisplay current information.
+ (let* ((search-type guix-search-type)
+ (search-vals guix-search-vals)
+ (params (guix-get-params-for-receiving guix-buffer-type
+ guix-entry-type))
+ (entries (guix-get-entries
+ guix-profile guix-entry-type
+ guix-search-type guix-search-vals params))
+ ;; If a REPL was restarted, package/output IDs are not actual
+ ;; anymore, because 'object-address'-es died with the REPL, so if a
+ ;; search by ID didn't give results, search again by name.
+ (entries (if (and (null entries)
+ (eq guix-search-type 'id)
+ (or (eq guix-entry-type 'package)
+ (eq guix-entry-type 'output)))
+ (progn
+ (setq search-type 'name
+ search-vals (guix-entries-to-specifications
+ guix-entries))
+ (guix-get-entries
+ guix-profile guix-entry-type
+ search-type search-vals params))
+ entries)))
+ (guix-set-buffer guix-profile entries guix-buffer-type guix-entry-type
+ search-type search-vals t t))))
+
+(cl-defun guix-redisplay-buffer (&key buffer profile entries buffer-type
+ entry-type search-type search-vals)
+ "Redisplay a Guix BUFFER.
+Restore the point and window positions after redisplaying if possible.
+
This function will not update the information, use
-\"\\[revert-buffer]\" if you want the full update."
+\"\\[revert-buffer]\" if you want the full update.
+
+If BUFFER is nil, use the current buffer. For the meaning of the
+rest arguments, see `guix-set-buffer'."
(interactive)
- (guix-show-entries guix-entries guix-buffer-type guix-entry-type)
- (guix-result-message guix-entries guix-entry-type
- guix-search-type guix-search-vals))
+ (or buffer (setq buffer (current-buffer)))
+ (with-current-buffer buffer
+ (or (derived-mode-p 'guix-info-mode 'guix-list-mode)
+ (error "%S is not a Guix buffer" buffer))
+ (let* ((point (point))
+ (was-at-button (button-at point))
+ ;; For simplicity, ignore an unlikely case when multiple
+ ;; windows display the same BUFFER.
+ (window (car (get-buffer-window-list buffer nil t)))
+ (window-start (and window (window-start window))))
+ (guix-set-buffer (or profile guix-profile)
+ (or entries guix-entries)
+ (or buffer-type guix-buffer-type)
+ (or entry-type guix-entry-type)
+ (or search-type guix-search-type)
+ (or search-vals guix-search-vals)
+ t t)
+ (goto-char point)
+ (and was-at-button
+ (not (button-at (point)))
+ (forward-button 1))
+ (when window
+ (set-window-point window (point))
+ (set-window-start window window-start)))))
\f
-;;; Messages
+;;; Generations
+
+(defcustom guix-generation-packages-buffer-name-function
+ #'guix-generation-packages-buffer-name-default
+ "Function used to define name of a buffer with generation packages.
+This function is called with 2 arguments: PROFILE (string) and
+GENERATION (number)."
+ :type '(choice (function-item guix-generation-packages-buffer-name-default)
+ (function-item guix-generation-packages-buffer-name-long)
+ (function :tag "Other function"))
+ :group 'guix)
-(defvar guix-messages
- '((package
- (id
- (0 "Packages not found.")
- (1 "")
- (many "%d packages." count))
- (name
- (0 "The package '%s' not found." val)
- (1 "A single package with name '%s'." val)
- (many "%d packages with '%s' name." count val))
- (regexp
- (0 "No packages matching '%s'." val)
- (1 "A single package matching '%s'." val)
- (many "%d packages matching '%s'." count val))
- (all-available
- (0 "No packages are available for some reason.")
- (1 "A single available package (that's strange).")
- (many "%d available packages." count))
- (newest-available
- (0 "No packages are available for some reason.")
- (1 "A single newest available package (that's strange).")
- (many "%d newest available packages." count))
- (installed
- (0 "No installed packages.")
- (1 "A single package installed.")
- (many "%d packages installed." count))
- (obsolete
- (0 "No obsolete packages.")
- (1 "A single obsolete package.")
- (many "%d obsolete packages." count))
- (generation
- (0 "No packages installed in generation %d." val)
- (1 "A single package installed in generation %d." val)
- (many "%d packages installed in generation %d." count val)))
- (output
- (id
- (0 "Package outputs not found.")
- (1 "")
- (many "%d package outputs." count))
- (name
- (0 "The package output '%s' not found." val)
- (1 "A single package output with name '%s'." val)
- (many "%d package outputs with '%s' name." count val))
- (regexp
- (0 "No package outputs matching '%s'." val)
- (1 "A single package output matching '%s'." val)
- (many "%d package outputs matching '%s'." count val))
- (all-available
- (0 "No package outputs are available for some reason.")
- (1 "A single available package output (that's strange).")
- (many "%d available package outputs." count))
- (newest-available
- (0 "No package outputs are available for some reason.")
- (1 "A single newest available package output (that's strange).")
- (many "%d newest available package outputs." count))
- (installed
- (0 "No installed package outputs.")
- (1 "A single package output installed.")
- (many "%d package outputs installed." count))
- (obsolete
- (0 "No obsolete package outputs.")
- (1 "A single obsolete package output.")
- (many "%d obsolete package outputs." count))
- (generation
- (0 "No package outputs installed in generation %d." val)
- (1 "A single package output installed in generation %d." val)
- (many "%d package outputs installed in generation %d." count val)))
- (generation
- (id
- (0 "Generations not found.")
- (1 "")
- (many "%d generations." count))
- (last
- (0 "No available generations.")
- (1 "The last generation.")
- (many "%d last generations." count))
- (all
- (0 "No available generations.")
- (1 "A single available generation.")
- (many "%d available generations." count)))))
-
-(defun guix-result-message (entries entry-type search-type search-vals)
- "Display an appropriate message after displaying ENTRIES."
- (let* ((val (car search-vals))
- (count (length entries))
- (count-key (if (> count 1) 'many count))
- (msg-spec (guix-get-key-val guix-messages
- entry-type search-type count-key))
- (format (car msg-spec))
- (args (cdr msg-spec)))
- (mapc (lambda (subst)
- (setq args (cl-substitute (car subst) (cdr subst) args)))
- (list (cons count 'count)
- (cons val 'val)))
- (apply #'message format args)))
+(defcustom guix-generation-packages-update-buffer t
+ "If non-nil, always update list of packages during comparing generations.
+If nil, generation packages are received only once. So when you
+compare generation 1 and generation 2, the packages for both
+generations will be received. Then if you compare generation 1
+and generation 3, only the packages for generation 3 will be
+received. Thus if you use comparing of different generations a
+lot, you may set this variable to nil to improve the
+performance."
+ :type 'boolean
+ :group 'guix)
+
+(defvar guix-output-name-width 30
+ "Width of an output name \"column\".
+This variable is used in auxiliary buffers for comparing generations.")
+
+(defun guix-generation-file (profile generation)
+ "Return the file name of a PROFILE's GENERATION."
+ (format "%s-%s-link" profile generation))
+
+(defun guix-manifest-file (profile &optional generation)
+ "Return the file name of a PROFILE's manifest.
+If GENERATION number is specified, return manifest file name for
+this generation."
+ (expand-file-name "manifest"
+ (if generation
+ (guix-generation-file profile generation)
+ profile)))
+
+(defun guix-generation-packages (profile generation)
+ "Return a list of sorted packages installed in PROFILE's GENERATION.
+Each element of the list is a list of the package specification and its path."
+ (let ((names+paths (guix-eval-read
+ (guix-make-guile-expression
+ 'generation-package-specifications+paths
+ profile generation))))
+ (sort names+paths
+ (lambda (a b)
+ (string< (car a) (car b))))))
+
+(defun guix-generation-packages-buffer-name-default (profile generation)
+ "Return name of a buffer for displaying GENERATION's package outputs.
+Use base name of PROFILE path."
+ (let ((profile-name (file-name-base (directory-file-name profile))))
+ (format "*Guix %s: generation %s*"
+ profile-name generation)))
+
+(defun guix-generation-packages-buffer-name-long (profile generation)
+ "Return name of a buffer for displaying GENERATION's package outputs.
+Use the full PROFILE path."
+ (format "*Guix generation %s (%s)*"
+ generation profile))
+
+(defun guix-generation-packages-buffer-name (profile generation)
+ "Return name of a buffer for displaying GENERATION's package outputs."
+ (let ((fun (if (functionp guix-generation-packages-buffer-name-function)
+ guix-generation-packages-buffer-name-function
+ #'guix-generation-packages-buffer-name-default)))
+ (funcall fun profile generation)))
+
+(defun guix-generation-insert-package (name path)
+ "Insert package output NAME and PATH at point."
+ (insert name)
+ (indent-to guix-output-name-width 2)
+ (insert path "\n"))
+
+(defun guix-generation-insert-packages (buffer profile generation)
+ "Insert package outputs installed in PROFILE's GENERATION in BUFFER."
+ (with-current-buffer buffer
+ (setq buffer-read-only nil
+ indent-tabs-mode nil)
+ (erase-buffer)
+ (mapc (lambda (name+path)
+ (guix-generation-insert-package
+ (car name+path) (cadr name+path)))
+ (guix-generation-packages profile generation))))
+
+(defun guix-generation-packages-buffer (profile generation)
+ "Return buffer with package outputs installed in PROFILE's GENERATION.
+Create the buffer if needed."
+ (let ((buf-name (guix-generation-packages-buffer-name
+ profile generation)))
+ (or (and (null guix-generation-packages-update-buffer)
+ (get-buffer buf-name))
+ (let ((buf (get-buffer-create buf-name)))
+ (guix-generation-insert-packages buf profile generation)
+ buf))))
+
+(defun guix-profile-generation-manifest-file (generation)
+ "Return the file name of a GENERATION's manifest.
+GENERATION is a generation number of `guix-profile' profile."
+ (guix-manifest-file guix-profile generation))
+
+(defun guix-profile-generation-packages-buffer (generation)
+ "Insert GENERATION's package outputs in a buffer and return it.
+GENERATION is a generation number of `guix-profile' profile."
+ (guix-generation-packages-buffer guix-profile generation))
\f
;;; Actions on packages and generations
guix-operation-option-true-string
guix-operation-option-false-string))
-(defun guix-process-package-actions (&rest actions)
- "Process package ACTIONS.
+(defun guix-process-package-actions (profile actions
+ &optional operation-buffer)
+ "Process package ACTIONS on PROFILE.
Each action is a list of the form:
(ACTION-TYPE PACKAGE-SPEC ...)
((remove delete) (setq remove (append remove specs))))))
actions)
(when (guix-continue-package-operation-p
+ profile
:install install :upgrade upgrade :remove remove)
(guix-eval-in-repl
(guix-make-guile-expression
- 'process-package-actions guix-current-profile
+ 'process-package-actions profile
:install install :upgrade upgrade :remove remove
:use-substitutes? (or guix-use-substitutes 'f)
- :dry-run? (or guix-dry-run 'f))))))
+ :dry-run? (or guix-dry-run 'f))
+ (and (not guix-dry-run) operation-buffer)))))
-(cl-defun guix-continue-package-operation-p (&key install upgrade remove)
+(cl-defun guix-continue-package-operation-p (profile
+ &key install upgrade remove)
"Return non-nil if a package operation should be continued.
Ask a user if needed (see `guix-operation-confirm').
INSTALL, UPGRADE, REMOVE are 'package action specifications'.
See `guix-process-package-actions' for details."
(or (null guix-operation-confirm)
(let* ((entries (guix-get-entries
- 'package 'id
+ profile 'package 'id
(append (mapcar #'car install)
(mapcar #'car upgrade)
(mapcar #'car remove))
(setq-local cursor-type nil)
(setq buffer-read-only nil)
(erase-buffer)
+ (insert "Profile: " profile "\n\n")
(guix-insert-package-strings install-strings "install")
(guix-insert-package-strings upgrade-strings "upgrade")
(guix-insert-package-strings remove-strings "remove")
strings)
(insert "\n")))
-(defun guix-operation-prompt ()
- "Prompt a user for continuing the current package operation.
-Return non-nil, if the operation should be continued; nil otherwise."
+(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.
+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
keys
", ")
") ")))
- (prog1 (guix-operation-prompt-1 prompt keys)
- ;; Clear the minibuffer after prompting.
- (message ""))))
+ (let ((mode-line mode-line-format))
+ (prog1 (guix-operation-prompt-1 prompt keys)
+ (setq mode-line-format mode-line)
+ ;; Clear the minibuffer after prompting.
+ (message "")))))
(defun guix-operation-prompt-1 (prompt keys)
"This function is internal for `guix-operation-prompt'."
guix-operation-option-separator)))
(force-mode-line-update))
+(defun guix-delete-generations (profile generations
+ &optional operation-buffer)
+ "Delete GENERATIONS from PROFILE.
+Each element from GENERATIONS is a generation number."
+ (when (or (not guix-operation-confirm)
+ (y-or-n-p
+ (let ((count (length generations)))
+ (if (> count 1)
+ (format "Delete %d generations from profile '%s'? "
+ count profile)
+ (format "Delete generation %d from profile '%s'? "
+ (car generations) profile)))))
+ (guix-eval-in-repl
+ (guix-make-guile-expression
+ 'delete-generations* profile generations)
+ operation-buffer)))
+
+(defun guix-switch-to-generation (profile generation
+ &optional operation-buffer)
+ "Switch PROFILE to GENERATION."
+ (when (or (not guix-operation-confirm)
+ (y-or-n-p (format "Switch profile '%s' to generation %d? "
+ profile generation)))
+ (guix-eval-in-repl
+ (guix-make-guile-expression
+ '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)))
+
+\f
+;;; Pull
+
+(defcustom guix-update-after-pull t
+ "If non-nil, update Guix buffers after performing \\[guix-pull]."
+ :type 'boolean
+ :group 'guix)
+
+(defvar guix-after-pull-hook
+ '(guix-restart-repl-after-pull guix-update-buffers-maybe-after-pull)
+ "Hook run after successful performing `guix-pull' operation.")
+
+(defun guix-restart-repl-after-pull ()
+ "Restart Guix REPL after `guix-pull' operation."
+ (guix-repl-exit)
+ (guix-start-process-maybe
+ "Restarting Guix REPL after pull operation ..."))
+
+(defun guix-update-buffers-maybe-after-pull ()
+ "Update buffers depending on `guix-update-after-pull'."
+ (when guix-update-after-pull
+ (mapc #'guix-update-buffer
+ ;; No need to update "generation" buffers.
+ (guix-buffers '(guix-package-list-mode
+ guix-package-info-mode
+ guix-output-list-mode
+ guix-output-info-mode)))
+ (message "Guix buffers have been updated.")))
+
+;;;###autoload
+(defun guix-pull (&optional verbose)
+ "Run Guix pull operation.
+If VERBOSE is non-nil (with prefix argument), produce verbose output."
+ (interactive)
+ (let ((args (and verbose '("--verbose"))))
+ (guix-eval-in-repl
+ (apply #'guix-make-guile-expression 'guix-pull args)
+ nil 'pull)))
+
(provide 'guix-base)
;;; guix-base.el ends here