diff options
Diffstat (limited to 'guix/import/stackage.scm')
| -rw-r--r-- | guix/import/stackage.scm | 111 |
1 files changed, 70 insertions, 41 deletions
diff --git a/guix/import/stackage.scm b/guix/import/stackage.scm index bbd903a2cd..f58c6b163d 100644 --- a/guix/import/stackage.scm +++ b/guix/import/stackage.scm @@ -2,6 +2,8 @@ ;;; 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> +;;; Copyright © 2021 Ludovic Courtès <ludo@gnu.org> ;;; ;;; This file is part of GNU Guix. ;;; @@ -20,9 +22,8 @@ (define-module (guix import stackage) #:use-module (ice-9 match) - #:use-module (ice-9 regex) + #:use-module (json) #:use-module (srfi srfi-1) - #:use-module (srfi srfi-26) #:use-module (srfi srfi-34) #:use-module (srfi srfi-35) #:use-module (guix import json) @@ -31,6 +32,8 @@ #:use-module (guix memoization) #:use-module (guix packages) #:use-module (guix upstream) + #:use-module (guix diagnostics) + #:use-module (guix i18n) #:export (%stackage-url stackage->guix-package stackage-recursive-import @@ -44,15 +47,31 @@ (define %stackage-url (make-parameter "https://www.stackage.org")) -;; Latest LTS version compatible with GHC 8.6.5. -(define %default-lts-version "14.27") - -(define (lts-info-packages lts-info) - "Returns the alist of packages contained in LTS-INFO." - (or (assoc-ref lts-info "packages") '())) - -(define (leave-with-message fmt . args) - (raise (condition (&message (message (apply format #f fmt args)))))) +;; Latest LTS version compatible with current GHC. +(define %default-lts-version "18.10") + +(define-json-mapping <stackage-lts> make-stackage-lts + stackage-lts? + json->stackage-lts + (snapshot stackage-lts-snapshot "snapshot" json->snapshot) + (packages stackage-lts-packages "packages" + (lambda (vector) + (map json->stackage-package (vector->list vector))))) + +(define-json-mapping <snapshot> make-snapshot + stackage-snapshot? + json->snapshot + (name snapshot-name) + (ghc-version snapshot-ghc-version) + (compiler snapshot-compiler)) + +(define-json-mapping <stackage-package> make-stackage-package + stackage-package? + json->stackage-package + (origin stackage-package-origin) + (name stackage-package-name) + (version stackage-package-version) + (synopsis stackage-package-synopsis)) (define stackage-lts-info-fetch ;; "Retrieve the information about the LTS Stackage release VERSION." @@ -62,21 +81,15 @@ "/lts-" (if (string-null? version) %default-lts-version version))) - (lts-info (json-fetch url))) - (if lts-info - (reverse lts-info) - (leave-with-message "LTS release version not found: ~a" version)))))) - -(define (stackage-package-name pkg-info) - (assoc-ref pkg-info "name")) - -(define (stackage-package-version pkg-info) - (assoc-ref pkg-info "version")) + (lts-info (and=> (json-fetch url) json->stackage-lts))) + (or lts-info + (raise (formatted-message (G_ "LTS release version not found: ~a") + version))))))) -(define (lts-package-version pkgs-info name) - "Return the version of the package with upstream NAME included in PKGS-INFO." +(define (lts-package-version packages name) + "Return the version of the package with upstream NAME included in PACKAGES." (let ((pkg (find (lambda (pkg) (string=? (stackage-package-name pkg) name)) - (vector->list pkgs-info)))) + packages))) (stackage-package-version pkg))) @@ -93,21 +106,22 @@ #:key (include-test-dependencies? #t) (lts-version %default-lts-version) - (packages-info - (lts-info-packages + (packages + (stackage-lts-packages (stackage-lts-info-fetch lts-version)))) "Fetch Cabal file for PACKAGE-NAME from hackage.haskell.org. The retrieved version corresponds to the version of PACKAGE-NAME specified in the LTS-VERSION release at stackage.org. Return the `package' S-expression corresponding to that package, or #f on failure. PACKAGES-INFO is the alist with the packages included in the Stackage LTS release." - (let* ((version (lts-package-version packages-info package-name)) + (let* ((version (lts-package-version packages package-name)) (name-version (hackage-name-version package-name version))) (if name-version (hackage->guix-package name-version #:include-test-dependencies? include-test-dependencies?) - (leave-with-message "~a: Stackage package not found" package-name)))))) + (raise (formatted-message (G_ "~a: Stackage package not found") + package-name))))))) (define (stackage-recursive-import package-name . args) (recursive-import package-name @@ -121,31 +135,46 @@ included in the Stackage LTS release." ;;; (define latest-lts-release - (let ((pkgs-info - (mlambda () (lts-info-packages - (stackage-lts-info-fetch %default-lts-version))))) - (lambda* (package) + (let ((packages + (mlambda () + (stackage-lts-packages + (stackage-lts-info-fetch %default-lts-version))))) + (lambda* (pkg) "Return an <upstream-source> for the latest Stackage LTS release of PACKAGE or #f if the package is not included in the Stackage LTS release." - (let* ((hackage-name (guix-package->hackage-name package)) - (version (lts-package-version (pkgs-info) hackage-name)) + (let* ((hackage-name (guix-package->hackage-name pkg)) + (version (lts-package-version (packages) hackage-name)) (name-version (hackage-name-version hackage-name version))) (match (and=> name-version hackage-fetch) - (#f (format (current-error-port) - "warning: failed to parse ~a~%" - (hackage-cabal-url hackage-name)) - #f) + (#f + (warning (G_ "failed to parse ~a~%") + (hackage-cabal-url hackage-name)) + #f) (_ (let ((url (hackage-source-url hackage-name version))) (upstream-source - (package (package-name package)) + (package (package-name pkg)) (version version) - (urls (list url)))))))))) + (urls (list url)) + (input-changes + (changed-inputs + pkg + (stackage->guix-package hackage-name #:packages (packages)))))))))))) + +(define (stackage-lts-package? package) + "Return whether PACKAGE is available on the default Stackage LTS release." + (and (hackage-package? package) + (let ((packages (stackage-lts-packages + (stackage-lts-info-fetch %default-lts-version))) + (hackage-name (guix-package->hackage-name package))) + (find (lambda (package) + (string=? (stackage-package-name package) hackage-name)) + packages)))) (define %stackage-updater (upstream-updater (name 'stackage) (description "Updater for Stackage LTS packages") - (pred hackage-package?) + (pred stackage-lts-package?) (latest latest-lts-release))) ;;; stackage.scm ends here |