Toggle diff (220 lines)
diff --git a/guix/ui.scm b/guix/ui.scm
index 27bcade9dd..b8376c11a1 100644
--- a/guix/ui.scm
+++ b/guix/ui.scm
@@ -931,17 +931,25 @@ that the rest."
(color DARK))
(string-drop file prefix)))))
+(define %default-verbosity
+ ;; Default verbosity level for 'show-what-to-build'.
+ 2)
+
(define* (show-what-to-build store drv
#:key dry-run? (use-substitutes? #t)
+ (verbosity %default-verbosity)
(mode (build-mode normal)))
"Show what will or would (depending on DRY-RUN?) be built in realizing the
derivations listed in DRV using MODE, a 'build-mode' value. The elements of
DRV can be either derivations or derivation inputs.
Return two values: a Boolean indicating whether there's something to build,
-and a Boolean indicating whether there's something to download. When
-USE-SUBSTITUTES?, check and report what is prerequisites are available for
-download."
+and a Boolean indicating whether there's something to download.
+
+When USE-SUBSTITUTES?, check and report what is prerequisites are available
+for download. VERBOSITY is an integer indicating the level of details to be
+shown: level 2 and higher provide all the details, level 1 shows a high-level
+summary, and level 0 shows nothing."
(define inputs
(map (match-lambda
((? derivation? drv) (derivation-input drv))
@@ -1000,71 +1008,104 @@ download."
;; display when we have information for all of DOWNLOAD.
(not (any (compose zero? substitutable-download-size) download)))
+ ;; Combinatorial explosion ahead along two axes: DRY-RUN? and VERBOSITY.
+ ;; Unfortunately, this is hardly avoidable for proper i18n.
(if dry-run?
(begin
- (format (current-error-port)
- (N_ "~:[The following derivation would be built:~%~{ ~a~%~}~;~]"
- "~:[The following derivations would be built:~%~{ ~a~%~}~;~]"
- (length build))
- (null? build) (map colorized-store-item build))
- (if display-download-size?
- (format (current-error-port)
- ;; TRANSLATORS: "MB" is for "megabyte"; it should be
- ;; translated to the corresponding abbreviation.
- (G_ "~:[~,1h MB would be downloaded:~%~{ ~a~%~}~;~]")
- (null? download)
- download-size
- (map (compose colorized-store-item substitutable-path)
- download))
- (format (current-error-port)
- (N_ "~:[The following file would be downloaded:~%~{ ~a~%~}~;~]"
- "~:[The following files would be downloaded:~%~{ ~a~%~}~;~]"
- (length download))
- (null? download)
- (map (compose colorized-store-item substitutable-path)
- download)))
- (format (current-error-port)
- (N_ "~:[The following graft would be made:~%~{ ~a~%~}~;~]"
- "~:[The following grafts would be made:~%~{ ~a~%~}~;~]"
- (length graft))
- (null? graft) (map colorized-store-item graft))
- (format (current-error-port)
- (N_ "~:[The following profile hook would be built:~%~{ ~a~%~}~;~]"
- "~:[The following profile hooks would be built:~%~{ ~a~%~}~;~]"
- (length hook))
- (null? hook) (map colorized-store-item hook)))
+ (unless (zero? verbosity)
+ (format (current-error-port)
+ (N_ "~:[The following derivation would be built:~%~{ ~a~%~}~;~]"
+ "~:[The following derivations would be built:~%~{ ~a~%~}~;~]"
+ (length build))
+ (null? build) (map colorized-store-item build)))
+ (cond ((>= verbosity 2)
+ (if display-download-size?
+ (format (current-error-port)
+ ;; TRANSLATORS: "MB" is for "megabyte"; it should be
+ ;; translated to the corresponding abbreviation.
+ (G_ "~:[~,1h MB would be downloaded:~%~{ ~a~%~}~;~]")
+ (null? download)
+ download-size
+ (map (compose colorized-store-item substitutable-path)
+ download))
+ (format (current-error-port)
+ (N_ "~:[The following file would be downloaded:~%~{ ~a~%~}~;~]"
+ "~:[The following files would be downloaded:~%~{ ~a~%~}~;~]"
+ (length download))
+ (null? download)
+ (map (compose colorized-store-item substitutable-path)
+ download)))
+ (format (current-error-port)
+ (N_ "~:[The following graft would be made:~%~{ ~a~%~}~;~]"
+ "~:[The following grafts would be made:~%~{ ~a~%~}~;~]"
+ (length graft))
+ (null? graft) (map colorized-store-item graft))
+ (format (current-error-port)
+ (N_ "~:[The following profile hook would be built:~%~{ ~a~%~}~;~]"
+ "~:[The following profile hooks would be built:~%~{ ~a~%~}~;~]"
+ (length hook))
+ (null? hook) (map colorized-store-item hook)))
+ ((= verbosity 1)
+ ;; Display the bare minimum; don't mention grafts and hooks.
+ (if display-download-size?
+ (format (current-error-port)
+ ;; TRANSLATORS: "MB" is for "megabyte"; it should be
+ ;; translated to the corresponding abbreviation.
+ (G_ "~:[~,1h MB would be downloaded~%~;~]")
+ (null? download) download-size)
+ (format (current-error-port)
+ (N_ "~:[~h item would be downloaded~%~;~]"
+ "~:[~h items would be downloaded~%~;~]"
+ (length download))
+ (null? download) (length download))))))
+
(begin
- (format (current-error-port)
- (N_ "~:[The following derivation will be built:~%~{ ~a~%~}~;~]"
- "~:[The following derivations will be built:~%~{ ~a~%~}~;~]"
- (length build))
- (null? build) (map colorized-store-item build))
- (if display-download-size?
- (format (current-error-port)
- ;; TRANSLATORS: "MB" is for "megabyte"; it should be
- ;; translated to the corresponding abbreviation.
- (G_ "~:[~,1h MB will be downloaded:~%~{ ~a~%~}~;~]")
- (null? download)
- download-size
- (map (compose colorized-store-item substitutable-path)
- download))
- (format (current-error-port)
- (N_ "~:[The following file will be downloaded:~%~{ ~a~%~}~;~]"
- "~:[The following files will be downloaded:~%~{ ~a~%~}~;~]"
- (length download))
- (null? download)
- (map (compose colorized-store-item substitutable-path)
- download)))
- (format (current-error-port)
- (N_ "~:[The following graft will be made:~%~{ ~a~%~}~;~]"
- "~:[The following grafts will be made:~%~{ ~a~%~}~;~]"
- (length graft))
- (null? graft) (map colorized-store-item graft))
- (format (current-error-port)
- (N_ "~:[The following profile hook will be built:~%~{ ~a~%~}~;~]"
- "~:[The following profile hooks will be built:~%~{ ~a~%~}~;~]"
- (length hook))
- (null? hook) (map colorized-store-item hook))))
+ (unless (zero? verbosity)
+ (format (current-error-port)
+ (N_ "~:[The following derivation will be built:~%~{ ~a~%~}~;~]"
+ "~:[The following derivations will be built:~%~{ ~a~%~}~;~]"
+ (length build))
+ (null? build) (map colorized-store-item build)))
+ (cond ((>= verbosity 2)
+ (if display-download-size?
+ (format (current-error-port)
+ ;; TRANSLATORS: "MB" is for "megabyte"; it should be
+ ;; translated to the corresponding abbreviation.
+ (G_ "~:[~,1h MB will be downloaded:~%~{ ~a~%~}~;~]")
+ (null? download)
+ download-size
+ (map (compose colorized-store-item substitutable-path)
+ download))
+ (format (current-error-port)
+ (N_ "~:[The following file will be downloaded:~%~{ ~a~%~}~;~]"
+ "~:[The following files will be downloaded:~%~{ ~a~%~}~;~]"
+ (length download))
+ (null? download)
+ (map (compose colorized-store-item substitutable-path)
+ download)))
+ (format (current-error-port)
+ (N_ "~:[The following graft will be made:~%~{ ~a~%~}~;~]"
+ "~:[The following grafts will be made:~%~{ ~a~%~}~;~]"
+ (length graft))
+ (null? graft) (map colorized-store-item graft))
+ (format (current-error-port)
+ (N_ "~:[The following profile hook will be built:~%~{ ~a~%~}~;~]"
+ "~:[The following profile hooks will be built:~%~{ ~a~%~}~;~]"
+ (length hook))
+ (null? hook) (map colorized-store-item hook)))
+ ((= verbosity 1)
+ ;; Display the bare minimum; don't mention grafts and hooks.
+ (if display-download-size?
+ (format (current-error-port)
+ ;; TRANSLATORS: "MB" is for "megabyte"; it should be
+ ;; translated to the corresponding abbreviation.
+ (G_ "~:[~,1h MB will be downloaded~%~;~]")
+ (null? download) download-size)
+ (format (current-error-port)
+ (N_ "~:[~h item will be downloaded~%~;~]"
+ "~:[~h items will be downloaded~%~;~]"
+ (length download))
+ (null? download) (length download)))))))
(check-available-space installed-size)
@@ -1073,7 +1114,8 @@ download."
(define show-what-to-build*
(store-lift show-what-to-build))
-(define* (build-notifier #:key (dry-run? #f) (use-substitutes? #t))
+(define* (build-notifier #:key (dry-run? #f) (use-substitutes? #t)
+ (verbosity %default-verbosity))
"Return a procedure suitable for 'with-build-handler' that, when
'build-things' is called, invokes 'show-what-to-build' to display the build
plan. When DRY-RUN? is true, the 'with-build-handler' form returns without
@@ -1107,6 +1149,7 @@ any build happening."
(show-what-to-build store inputs
#:dry-run? dry-run?
#:use-substitutes? use-substitutes?
+ #:verbosity verbosity
#:mode mode)))
(unless (and (or build? download?)
--
2.27.0
