Merge branch 'master' into core-updates

5 files changed, 208 insertions, 47 deletions

diff --git a/emacs/guix-base.el b/emacs/guix-base.el
index 888836428f..658cfdb5fa 100644
--- a/emacs/guix-base.el
+++ b/emacs/guix-base.el
@@ -207,6 +207,13 @@ Ask a user with PROMPT for continuing an operation."
    (guix-make-guile-expression
     'package-source-path package-id)))
 
+(defun guix-package-store-path (package-id)
+  "Return a list of store directories of outputs of package PACKAGE-ID."
+  (message "Calculating the package derivation ...")
+  (guix-eval-read
+   (guix-make-guile-expression
+    'package-store-path package-id)))
+
 (defvar guix-after-source-download-hook nil
   "Hook run after successful performing a 'source-download' operation.")
 
@@ -224,6 +231,20 @@ Ask a user with PROMPT for continuing an operation."
       :dry-run? (or guix-dry-run 'f))
      nil 'source-download)))
 
+(defun guix-build-package (package-id &optional prompt)
+  "Build package with PACKAGE-ID.
+Ask a user with PROMPT for continuing the build operation."
+  (when (or (not guix-operation-confirm)
+            (guix-operation-prompt (or prompt "Build package?")))
+    (guix-eval-in-repl
+     (format (concat ",run-in-store "
+                     "(build-package (package-by-id %d)"
+                     " #:use-substitutes? %s"
+                     " #:dry-run? %s)")
+             package-id
+             (guix-guile-boolean guix-use-substitutes)
+             (guix-guile-boolean guix-dry-run)))))
+
 ;;;###autoload
 (defun guix-apply-manifest (profile file &optional operation-buffer)
   "Apply manifest from FILE to PROFILE.
diff --git a/emacs/guix-main.scm b/emacs/guix-main.scm
index e645a85e7d..cbf7cdc474 100644
--- a/emacs/guix-main.scm
+++ b/emacs/guix-main.scm
@@ -51,6 +51,7 @@
  (guix licenses)
  (guix utils)
  (guix ui)
+ (guix scripts)
  (guix scripts package)
  (gnu packages)
  (gnu system))
@@ -953,6 +954,17 @@ GENERATIONS is a list of generation numbers."
                ((package _ ...) package)))
          (compose location->string package-location)))
 
+(define (package-store-path package-id)
+  "Return a list of store directories of outputs of package PACKAGE-ID."
+  (match (package-by-id package-id)
+    (#f '())
+    (package
+      (with-store store
+        (map (match-lambda
+               ((_ . drv)
+                (derivation-output-path drv)))
+             (derivation-outputs (package-derivation store package)))))))
+
 (define (package-source-derivation->store-path derivation)
   "Return a store path of the package source DERIVATION."
   (match (derivation-outputs derivation)
@@ -988,6 +1000,16 @@ GENERATIONS is a list of generation numbers."
         (format #t "The source store path: ~a~%"
                 (package-source-derivation->store-path derivation))))))
 
+(define (package-build-log-file package-id)
+  "Return the build log file of a package PACKAGE-ID.
+Return #f if the build log is not found."
+  (and-let* ((package (package-by-id package-id)))
+    (with-store store
+      (let* ((derivation (package-derivation store package))
+             (file       (derivation-file-name derivation)))
+        (or (log-file store file)
+            ((@@ (guix scripts build) log-url) store file))))))
+
 
 ;;; Executing guix commands
 
diff --git a/emacs/guix-ui-package.el b/emacs/guix-ui-package.el
index edc36486fc..4280246bb8 100644
--- a/emacs/guix-ui-package.el
+++ b/emacs/guix-ui-package.el
@@ -111,6 +111,19 @@ is found and `guix-package-list-single' is nil."
       (list (if (= 0 package-id) package-id-str package-id)
             output))))
 
+(defun guix-package-build-log-file (id)
+  "Return build log file name of a package defined by ID."
+  (guix-eval-read
+   (guix-make-guile-expression 'package-build-log-file id)))
+
+(defun guix-package-find-build-log (id)
+  "Show build log of a package defined by ID."
+  (require 'guix-build-log)
+  (let ((file (guix-package-build-log-file id)))
+    (if file
+        (guix-build-log-find-file file)
+      (message "Couldn't find the package build log."))))
+
 
 ;;; Processing package actions
 
@@ -222,6 +235,7 @@ ENTRIES is a list of package entries to get info about packages."
             (description ignore (simple guix-package-info-description))
             ignore
             (outputs simple guix-package-info-insert-outputs)
+            guix-package-info-insert-misc
             (source simple guix-package-info-insert-source)
             (location simple guix-package-info-insert-location)
             (home-url format (format guix-url))
@@ -309,9 +323,15 @@ ENTRIES is a list of package entries to get info about packages."
   "Face used if a package is obsolete."
   :group 'guix-package-info-faces)
 
+(defcustom guix-package-info-auto-find-package t
+  "If non-nil, open store directory after pressing \"Show\" package button.
+If nil, just display the store directory (or directories) without finding."
+  :type 'boolean
+  :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."
+  "If non-nil, open source file after pressing \"Show\" source button.
+If nil, just display the source file name without finding."
   :type 'boolean
   :group 'guix-package-info)
 
@@ -325,6 +345,14 @@ prompt depending on `guix-operation-confirm' variable)."
   :type 'boolean
   :group 'guix-package-info)
 
+(defcustom guix-package-info-button-functions
+  '(guix-package-info-insert-build-button
+    guix-package-info-insert-build-log-button)
+  "List of functions used to insert package buttons in Info buffer.
+Each function is called with 2 arguments: package ID and full name."
+  :type '(repeat function)
+  :group 'guix-package-info)
+
 (defvar guix-package-info-download-buffer nil
   "Buffer from which a current download operation was performed.")
 
@@ -521,6 +549,78 @@ ENTRY is an alist with package info."
              (guix-entry-id entry))
      'output output)))
 
+(defun guix-package-info-show-store-path (entry-id package-id)
+  "Show store directories of the package outputs in the current buffer.
+ENTRY-ID is an ID of the current entry (package or output).
+PACKAGE-ID is an ID of the package which store path to show."
+  (let* ((entries (guix-buffer-current-entries))
+         (entry   (guix-entry-by-id entry-id entries))
+         (dirs    (guix-package-store-path package-id)))
+    (or dirs
+        (error "Couldn't define store directory of the package"))
+    (let* ((new-entry (cons (cons 'store-path dirs)
+                            entry))
+           (new-entries (guix-replace-entry entry-id new-entry entries)))
+      (setf (guix-buffer-item-entries guix-buffer-item)
+            new-entries)
+      (guix-buffer-redisplay-goto-button)
+      (let ((dir (car dirs)))
+        (if (file-exists-p dir)
+            (if guix-package-info-auto-find-package
+                (find-file dir)
+              (message nil))
+          (message "'%s' does not exist.\nTry to build this package."
+                   dir))))))
+
+(defun guix-package-info-insert-misc (entry)
+  "Insert various buttons and other info for package ENTRY at point."
+  (if (guix-entry-value entry 'obsolete)
+      (guix-format-insert nil)
+    (let* ((entry-id   (guix-entry-id entry))
+           (package-id (or (guix-entry-value entry 'package-id)
+                           entry-id))
+           (full-name  (guix-package-entry->name-specification entry))
+           (store-path (guix-entry-value entry 'store-path)))
+      (guix-info-insert-title-simple "Package")
+      (if store-path
+          (guix-info-insert-value-indent store-path 'guix-file)
+        (guix-info-insert-action-button
+         "Show"
+         (lambda (btn)
+           (guix-package-info-show-store-path
+            (button-get btn 'entry-id)
+            (button-get btn 'package-id)))
+         "Show the store directory of the current package"
+         'entry-id entry-id
+         'package-id package-id))
+      (when guix-package-info-button-functions
+        (insert "\n")
+        (guix-mapinsert (lambda (fun)
+                          (funcall fun package-id full-name))
+                        guix-package-info-button-functions
+                        (guix-info-get-indent)
+                        :indent guix-info-indent
+                        :column (guix-info-fill-column))))))
+
+(defun guix-package-info-insert-build-button (id full-name)
+  "Insert button to build a package defined by ID."
+  (guix-info-insert-action-button
+   "Build"
+   (lambda (btn)
+     (guix-build-package (button-get btn 'id)
+                         (format "Build '%s' package?" full-name)))
+   (format "Build the current package")
+   'id id))
+
+(defun guix-package-info-insert-build-log-button (id _name)
+  "Insert button to show build log of a package defined by ID."
+  (guix-info-insert-action-button
+   "Build Log"
+   (lambda (btn)
+     (guix-package-find-build-log (button-get btn 'id)))
+   "View build log of the current package"
+   'id id))
+
 (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').
@@ -817,6 +917,7 @@ for all ARGS."
             (version format guix-output-info-insert-version)
             (output format guix-output-info-insert-output)
             (synopsis simple (indent guix-package-info-synopsis))
+            guix-package-info-insert-misc
             (source simple guix-package-info-insert-source)
             (path simple (indent guix-file))
             (dependencies simple (indent guix-file))
diff --git a/emacs/guix-utils.el b/emacs/guix-utils.el
index ea9933f5c3..3e4ecc36ab 100644
--- a/emacs/guix-utils.el
+++ b/emacs/guix-utils.el
@@ -84,16 +84,33 @@ If FORMAT is non-nil, format VAL with FORMAT."
                 (format format str)
               str))))
 
-(defun guix-mapinsert (function sequence separator)
+(cl-defun guix-mapinsert (function sequence separator &key indent column)
   "Like `mapconcat' but for inserting text.
 Apply FUNCTION to each element of SEQUENCE, and insert SEPARATOR
-at point between each FUNCTION call."
-  (when sequence
-    (funcall function (car sequence))
-    (mapc (lambda (obj)
-            (insert separator)
-            (funcall function obj))
-          (cdr sequence))))
+at point between each FUNCTION call.
+
+If INDENT is non-nil, it should be a number of spaces used to
+indent each line of the inserted text.
+
+If COLUMN is non-nil, it should be a column number which
+shouldn't be exceeded by the inserted text."
+  (pcase sequence
+    (`(,first . ,rest)
+     (let* ((indent (or indent 0))
+            (max-column (and column (- column indent))))
+       (guix-with-indent indent
+         (funcall function first)
+         (dolist (element rest)
+           (let ((before-sep-pos (and column (point))))
+             (insert separator)
+             (let ((after-sep-pos (and column (point))))
+               (funcall function element)
+               (when (and column
+                          (> (current-column) max-column))
+                 (save-excursion
+                   (delete-region before-sep-pos after-sep-pos)
+                   (goto-char before-sep-pos)
+                   (insert "\n")))))))))))
 
 (defun guix-insert-button (label &optional type &rest properties)
   "Make button of TYPE with LABEL and insert it at point.
diff --git a/emacs/local.mk b/emacs/local.mk
index f83063cf5f..959ec2dd34 100644
--- a/emacs/local.mk
+++ b/emacs/local.mk
@@ -17,51 +17,51 @@
 # You should have received a copy of the GNU General Public License
 # along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
 
-AUTOLOADS = emacs/guix-autoloads.el
+AUTOLOADS = %D%/guix-autoloads.el
 
 ELFILES =					\
-  emacs/guix-about.el				\
-  emacs/guix-backend.el				\
-  emacs/guix-base.el				\
-  emacs/guix-build-log.el			\
-  emacs/guix-buffer.el				\
-  emacs/guix-command.el				\
-  emacs/guix-devel.el				\
-  emacs/guix-emacs.el				\
-  emacs/guix-entry.el				\
-  emacs/guix-external.el			\
-  emacs/guix-geiser.el				\
-  emacs/guix-guile.el				\
-  emacs/guix-help-vars.el			\
-  emacs/guix-history.el				\
-  emacs/guix-hydra.el				\
-  emacs/guix-hydra-build.el			\
-  emacs/guix-hydra-jobset.el			\
-  emacs/guix-info.el				\
-  emacs/guix-init.el				\
-  emacs/guix-license.el				\
-  emacs/guix-list.el				\
-  emacs/guix-location.el			\
-  emacs/guix-messages.el			\
-  emacs/guix-pcomplete.el			\
-  emacs/guix-popup.el				\
-  emacs/guix-prettify.el			\
-  emacs/guix-profiles.el			\
-  emacs/guix-read.el				\
-  emacs/guix-ui.el				\
-  emacs/guix-ui-license.el			\
-  emacs/guix-ui-location.el			\
-  emacs/guix-ui-package.el			\
-  emacs/guix-ui-generation.el			\
-  emacs/guix-ui-system-generation.el		\
-  emacs/guix-utils.el
+  %D%/guix-about.el				\
+  %D%/guix-backend.el				\
+  %D%/guix-base.el				\
+  %D%/guix-build-log.el				\
+  %D%/guix-buffer.el				\
+  %D%/guix-command.el				\
+  %D%/guix-devel.el				\
+  %D%/guix-emacs.el				\
+  %D%/guix-entry.el				\
+  %D%/guix-external.el				\
+  %D%/guix-geiser.el				\
+  %D%/guix-guile.el				\
+  %D%/guix-help-vars.el				\
+  %D%/guix-history.el				\
+  %D%/guix-hydra.el				\
+  %D%/guix-hydra-build.el			\
+  %D%/guix-hydra-jobset.el			\
+  %D%/guix-info.el				\
+  %D%/guix-init.el				\
+  %D%/guix-license.el				\
+  %D%/guix-list.el				\
+  %D%/guix-location.el				\
+  %D%/guix-messages.el				\
+  %D%/guix-pcomplete.el				\
+  %D%/guix-popup.el				\
+  %D%/guix-prettify.el				\
+  %D%/guix-profiles.el				\
+  %D%/guix-read.el				\
+  %D%/guix-ui.el				\
+  %D%/guix-ui-license.el			\
+  %D%/guix-ui-location.el			\
+  %D%/guix-ui-package.el			\
+  %D%/guix-ui-generation.el			\
+  %D%/guix-ui-system-generation.el		\
+  %D%/guix-utils.el
 
 if HAVE_EMACS
 
 dist_lisp_DATA = $(ELFILES)
 
 nodist_lisp_DATA = 		\
-  emacs/guix-config.el		\
+  %D%/guix-config.el		\
   $(AUTOLOADS)
 
 $(AUTOLOADS): $(ELFILES)