Full log Message #218 received at 39258@debbugs.gnu.org (full text , mbox , reply ):
* guix/scripts/package.scm (process-query): Call search-packages and
display-package-search-results instead of find-packages-by-description and
display-search-results respectively.
* guix/ui.scm (package-metadata->recutils): New function.
(%package-metrics): Use package-metadata record field accessors.
(package-relevance): Rename argument package to package-metadata.
(display-package-search-results): New function.
---
guix/scripts/package.scm | 5 +-
guix/ui.scm | 132 ++++++++++++++++++++++++++++++++++++---
2 files changed, 125 insertions(+), 12 deletions(-)
diff --git a/guix/scripts/package.scm b/guix/scripts/package.scm
index 110d4f2977..c11f92f5a2 100644
--- a/guix/scripts/package.scm
+++ b/guix/scripts/package.scm
@@ -7,6 +7,7 @@
;;; Copyright © 2016 Benz Schenk <benz.schenk@uzh.ch>
;;; Copyright © 2016 Chris Marusich <cmmarusich@gmail.com>
;;; Copyright © 2019 Tobias Geerinckx-Rice <me@tobias.gr>
+;;; Copyright © 2020 Arun Isaac <arunisaac@systemreboot.net>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -770,9 +771,9 @@ processed, #f otherwise."
(_ #f))
opts))
(regexps (map (cut make-regexp* <> regexp/icase) patterns))
- (matches (find-packages-by-description regexps)))
+ (matches (search-packages (current-profile) regexps)))
(leave-on-EPIPE
- (display-search-results matches (current-output-port)))
+ (display-package-search-results matches (current-output-port)))
#t))
(('show requested-name)
diff --git a/guix/ui.scm b/guix/ui.scm
index 1e24fe5dca..934699f065 100644
--- a/guix/ui.scm
+++ b/guix/ui.scm
@@ -14,6 +14,7 @@
;;; Copyright © 2019 Chris Marusich <cmmarusich@gmail.com>
;;; Copyright © 2019 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2019 Simon Tournier <zimon.toutoune@gmail.com>
+;;; Copyright © 2020 Arun Isaac <arunisaac@systemreboot.net>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -112,6 +113,7 @@
package-synopsis-string
string->recutils
package->recutils
+ package-metadata->recutils
package-specification->name+version+output
supports-hyperlinks?
@@ -122,6 +124,7 @@
relevance
package-relevance
display-search-results
+ display-package-search-results
with-profile-lock
string->generations
@@ -1484,6 +1487,75 @@ HYPERLINKS? is true, emit hyperlink escape sequences when appropriate."
extra-fields)
(newline port))
+(define* (package-metadata->recutils p port #:optional (width (%text-width))
+ #:key
+ (hyperlinks? (supports-hyperlinks? port))
+ (extra-fields '()))
+ "Write to PORT a `recutils' record of <package-metadata> object P, arranging
+to fit within WIDTH columns. EXTRA-FIELDS is a list of symbol/value pairs to
+emit. When HYPERLINKS? is true, emit hyperlink escape sequences when
+appropriate."
+ (define width*
+ ;; The available number of columns once we've taken into account space for
+ ;; the initial "+ " prefix.
+ (if (> width 2) (- width 2) width))
+
+ ;; Note: Don't i18n field names so that people can post-process it.
+ (format port "name: ~a~%" (package-metadata-name p))
+ (format port "version: ~a~%" (package-metadata-version p))
+ (format port "outputs: ~a~%" (string-join (package-metadata-outputs p)))
+ (format port "systems: ~a~%"
+ (string-join (package-metadata-supported-systems p)))
+ (format port "dependencies: ~a~%"
+ (string-join (package-metadata-dependencies p) " "))
+ (format port "location: ~a~%"
+ (or (and=> (package-metadata-location p)
+ (if hyperlinks? location->hyperlink location->string))
+ (G_ "unknown")))
+
+ ;; Note: Starting from version 1.6 or recutils, hyphens are not allowed in
+ ;; field identifiers.
+ (format port "homepage: ~a~%" (package-metadata-home-page p))
+
+ ;; TODO: Print license
+ ;; (format port "license: ~a~%"
+ ;; (match (package-metadata-license p)
+ ;; (((? license? licenses) ...)
+ ;; (string-join (map license-name licenses)
+ ;; ", "))
+ ;; ((? license? license)
+ ;; (let ((text (license-name license))
+ ;; (uri (license-uri license)))
+ ;; (if (and hyperlinks? uri (string-prefix? "http" uri))
+ ;; (hyperlink uri text)
+ ;; text)))
+ ;; (x
+ ;; (G_ "unknown"))))
+ (format port "synopsis: ~a~%"
+ (string-map (match-lambda
+ (#\newline #\space)
+ (chr chr))
+ (or (and=> (package-metadata-synopsis p) P_)
+ "")))
+ (format port "~a~%"
+ (string->recutils
+ (string-trim-right
+ (parameterize ((%text-width width*))
+ (texi->plain-text
+ (string-append "description: "
+ (or (and=> (package-metadata-description p) P_)
+ ""))))
+ #\newline)))
+ (for-each (match-lambda
+ ((field . value)
+ (let ((field (symbol->string field)))
+ (format port "~a: ~a~%"
+ field
+ (fill-paragraph (object->string value) width*
+ (string-length field))))))
+ extra-fields)
+ (newline port))
+
;;;
;;; Searching.
@@ -1528,34 +1600,74 @@ score, the more relevant OBJ is to REGEXPS."
(define %package-metrics
;; Metrics used to compute the "relevance score" of a package against a set
;; of regexps.
- `((,package-name . 4)
+ `((,package-metadata-name . 4)
;; Match against uncommon outputs.
- (,(lambda (package)
+ (,(lambda (package-metadata)
(filter (lambda (output)
(not (member output
;; Some common outpus shared by many packages.
'("out" "doc" "debug" "lib" "include" "bin"))))
- (package-outputs package)))
+ (package-metadata-outputs package-metadata)))
. 1)
;; Match regexps on the raw Texinfo since formatting it is quite expensive
;; and doesn't have much of an effect on search results.
- (,(lambda (package)
- (and=> (package-synopsis package) P_)) . 3)
- (,(lambda (package)
- (and=> (package-description package) P_)) . 2)
+ (,(lambda (package-metadata)
+ (and=> (package-metadata-synopsis package-metadata) P_)) . 3)
+ (,(lambda (package-metadata)
+ (and=> (package-metadata-description package-metadata) P_)) . 2)
(,(lambda (type)
- (match (and=> (package-location type) location-file)
+ (match (and=> (package-metadata-location type) location-file)
((? string? file) (basename file ".scm"))
(#f "")))
. 1)))
-(define (package-relevance package regexps)
+(define (package-relevance package-metadata regexps)
"Return a score denoting the relevance of PACKAGE for REGEXPS. A score of
zero means that PACKAGE does not match any of REGEXPS."
- (relevance package regexps %package-metrics))
+ (relevance package-metadata regexps %package-metrics))
+
+(define* (display-package-search-results matches port
+ #:key
+ (command "guix search"))
+ "Display MATCHES, a list of <package-metadata>/score pairs. If PORT is a
+terminal, print at most a full screen of results."
+ (define first-line
+ (port-line port))
+
+ (define max-rows
+ (and first-line (isatty? port)
+ (terminal-rows port)))
+
+ (define (line-count str)
+ (string-count str #\newline))
+
+ (let loop ((matches matches))
+ (match matches
+ (((package-metadata . score) rest ...)
+ (let* ((links? (supports-hyperlinks? port))
+ (text (call-with-output-string
+ (lambda (port)
+ (package-metadata->recutils package-metadata port
+ #:hyperlinks? links?
+ #:extra-fields
+ `((relevance . ,score)))))))
+ (if (and (not (getenv "INSIDE_EMACS"))
+ max-rows
+ (> (port-line port) first-line) ;print at least one result
+ (> (+ 4 (line-count text) (port-line port))
+ max-rows))
+ (unless (null? rest)
+ (display-hint (format #f (G_ "Run @code{~a ... | less} \
+to view all the results.")
+ command)))
+ (begin
+ (display text port)
+ (loop rest)))))
+ (()
+ #t))))
(define* (display-search-results matches port
#:key
--
2.25.1
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