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-rw-r--r--guix/import/stackage.scm17
1 files changed, 16 insertions, 1 deletions
diff --git a/guix/import/stackage.scm b/guix/import/stackage.scm
index bbd903a2cd..731e69651e 100644
--- a/guix/import/stackage.scm
+++ b/guix/import/stackage.scm
@@ -2,6 +2,7 @@
;;; Copyright © 2017 Federico Beffa <beffa@fbengineering.ch>
;;; Copyright © 2018 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2020 Martin Becze <mjbecze@riseup.net>
+;;; Copyright © 2021 Xinglu Chem <public@yoctocell.xyz>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -21,10 +22,12 @@
(define-module (guix import stackage)
#:use-module (ice-9 match)
#:use-module (ice-9 regex)
+ #:use-module (ice-9 control)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-26)
#:use-module (srfi srfi-34)
#:use-module (srfi srfi-35)
+ #:use-module (srfi srfi-43)
#:use-module (guix import json)
#:use-module (guix import hackage)
#:use-module (guix import utils)
@@ -141,11 +144,23 @@ PACKAGE or #f if the package is not included in the Stackage LTS release."
(version version)
(urls (list url))))))))))
+(define (stackage-package? package)
+ "Whether PACKAGE is available on the default Stackage LTS release."
+ (and (hackage-package? package)
+ (let ((packages (lts-info-packages
+ (stackage-lts-info-fetch %default-lts-version)))
+ (hackage-name (guix-package->hackage-name package)))
+ (vector-any identity
+ (vector-map
+ (lambda (_ metadata)
+ (string=? (cdr (list-ref metadata 2)) hackage-name))
+ packages)))))
+
(define %stackage-updater
(upstream-updater
(name 'stackage)
(description "Updater for Stackage LTS packages")
- (pred hackage-package?)
+ (pred stackage-package?)
(latest latest-lts-release)))
;;; stackage.scm ends here