list-packages: Produce link to the origin snippet, if any.

* build-aux/list-packages.scm (package->sxml)[patches](snippet-link):
  New procedure.
  Use it to produce a link to the 'origin-snippet', if any.
This commit is contained in:
Ludovic Courtès 2013-11-19 00:01:46 +01:00
parent 0b8749b7bd
commit a2543006f8

View file

@ -71,12 +71,14 @@ (define (package->sxml package previous description-ids remaining)
JavaScript prep_pkg_descs function as part of the output of PACKAGE, every
time the length of DESCRIPTION-IDS, increasing, is 15 or when REMAINING,
decreasing, is 1."
(define (location-url loc)
(string-append "http://git.savannah.gnu.org/cgit/guix.git/tree/"
(location-file loc) "#n"
(number->string (location-line loc))))
(define (source-url package)
(let ((loc (package-location package)))
(and loc
(string-append "http://git.savannah.gnu.org/cgit/guix.git/tree/"
(location-file loc) "#n"
(number->string (location-line loc))))))
(and loc (location-url loc))))
(define (license package)
(define ->sxml
@ -103,26 +105,37 @@ (define (patch-url patch)
"http://git.savannah.gnu.org/cgit/guix.git/tree/gnu/packages/patches/"
(basename patch)))
(match (and (origin? (package-source package))
(origin-patches (package-source package)))
((patches ..1)
`(div "patches: "
,(let loop ((patches patches)
(number 1)
(links '()))
(match patches
(()
(list-join (reverse links) ", "))
((patch rest ...)
(loop rest
(+ 1 number)
(cons `(a (@ (href ,(patch-url patch))
(title ,(string-append
"Link to "
(basename patch))))
,(number->string number))
links)))))))
(_ #f)))
(define (snippet-link snippet)
(let ((loc (package-field-location package 'source)))
`(a (@ (href ,(location-url loc))
(title "Link to patch snippet"))
"snippet")))
(and (origin? (package-source package))
(let ((patches (origin-patches (package-source package)))
(snippet (origin-snippet (package-source package))))
(and (or (pair? patches) snippet)
`(div "patches: "
,(let loop ((patches patches)
(number 1)
(links '()))
(match patches
(()
(let* ((additional (and snippet
(snippet-link snippet)))
(links (if additional
(cons additional links)
links)))
(list-join (reverse links) ", ")))
((patch rest ...)
(loop rest
(+ 1 number)
(cons `(a (@ (href ,(patch-url patch))
(title ,(string-append
"Link to "
(basename patch))))
,(number->string number))
links))))))))))
(define (status package)
(define (url system)