import: Issue error-message if version is given.

These importer don't support importing a specific version, thus the updater
does neither.  Issue an error message in case version is given.

* guix/import/cpan.scm (latest-release),
  guix/import/elpa.scm (latest-release),
  guix/import/hackage.scm (latest-release),
  guix/import/minetest.scm (latest-minetest-release),
  guix/import/opam.scm (latest-release): Add #:version argument,
  issue error if version is given.
* guix/import/cran.scm (latest-cran-release): Same.
  (latest-bioconductor-release) Same. <version>: rename to <latest-version>.
* guix/import/stackage.scm (latest-lts-release): For each generated updater,
  add #:version argument and issue error if version is given.

guix/import/cpan.scm

@@ -4,6 +4,7 @@
 ;;; Copyright © 2016 Alex Sassmannshausen <alex@pompo.co>
 ;;; Copyright © 2017, 2018 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;; Copyright © 2020, 2021 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2022 Hartmut Goebel <h.goebel@crazy-compilers.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -29,6 +30,7 @@
   #:use-module (srfi srfi-26)
   #:use-module (json)
   #:use-module (gcrypt hash)
+  #:use-module (guix diagnostics)
   #:use-module (guix store)
   #:use-module (guix utils)
   #:use-module (guix base32)
@@ -305,8 +307,13 @@ in RELEASE, a <cpan-release> record."
                                              ")"))))
     (url-predicate (cut regexp-exec cpan-rx <>))))
 
-(define (latest-release package)
+(define* (latest-release package #:key (version #f))
   "Return an <upstream-source> for the latest release of PACKAGE."
+  (when version
+    (error
+     (formatted-message
+      (G_ "~a updater doesn't support updating to a specific version, sorry.")
+      "cpan")))
   (match (cpan-fetch (package->upstream-name package))
     (#f #f)
     (release

guix/import/cran.scm

@@ -5,6 +5,7 @@
 ;;; Copyright © 2020 Martin Becze <mjbecze@riseup.net>
 ;;; Copyright © 2021 Sarah Morgensen <iskarian@mgsn.dev>
 ;;; Copyright © 2021 Simon Tournier <zimon.toutoune@gmail.com>
+;;; Copyright © 2022 Hartmut Goebel <h.goebel@crazy-compilers.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -693,8 +694,13 @@ s-expression corresponding to that package, or #f on failure."
              (_ #f)))
           (_ #f)))))
 
-(define (latest-cran-release pkg)
+(define* (latest-cran-release pkg #:key (version #f))
   "Return an <upstream-source> for the latest release of the package PKG."
+  (when version
+    (error
+     (formatted-message
+      (G_ "~a provides only the latest version of each package, sorry.")
+      "CRAN")))
 
   (define upstream-name
     (package->upstream-name pkg))
@@ -713,20 +719,25 @@ s-expression corresponding to that package, or #f on failure."
            (changed-inputs pkg
                            (description->package 'cran meta)))))))
 
-(define (latest-bioconductor-release pkg)
+(define* (latest-bioconductor-release pkg #:key (version #f))
   "Return an <upstream-source> for the latest release of the package PKG."
+  (when version
+    (error
+     (formatted-message
+      (G_ "~a provides only the latest version of each package, sorry.")
+      "bioconductor.org")))
 
   (define upstream-name
     (package->upstream-name pkg))
 
-  (define version
+  (define latest-version
     (latest-bioconductor-package-version upstream-name))
 
   (and version
        ;; Bioconductor does not provide signatures.
        (upstream-source
         (package (package-name pkg))
-        (version version)
+        (version latest-version)
         (urls (bioconductor-uri upstream-name version))
         (input-changes
          (changed-inputs

guix/import/elpa.scm

@@ -7,6 +7,7 @@
 ;;; Copyright © 2021 Xinglu Chen <public@yoctocell.xyz>
 ;;; Copyright © 2021 Sarah Morgensen <iskarian@mgsn.dev>
 ;;; Copyright © 2021 Simon Tournier <zimon.toutoune@gmail.com>
+;;; Copyright © 2022 Hartmut Goebel <h.goebel@crazy-compilers.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -35,6 +36,7 @@
   #:use-module (srfi srfi-26)
   #:use-module (srfi srfi-34)
   #:use-module (srfi srfi-35)
+  #:use-module (guix diagnostics)
   #:use-module ((guix download) #:select (download-to-store))
   #:use-module (guix import utils)
   #:use-module (guix http-client)
@@ -400,11 +402,16 @@ type '<elpa-package>'."
           (string-drop (package-name package) 6)
           (package-name package))))
 
-(define (latest-release package)
+(define* (latest-release package #:key (version #f))
   "Return an <upstream-release> for the latest release of PACKAGE."
   (define name (guix-package->elpa-name package))
   (define repo (elpa-repository package))
 
+  (when version
+    (error
+     (formatted-message
+      (G_ "~a updater doesn't support updating to a specific version, sorry.")
+      "elpa")))
   (match (elpa-package-info name repo)
     (#f
      ;; No info, perhaps because PACKAGE is not truly an ELPA package.

guix/import/hackage.scm

@@ -7,6 +7,7 @@
 ;;; Copyright © 2021 Xinglu Chen <public@yoctocell.xyz>
 ;;; Copyright © 2021 Sarah Morgensen <iskarian@mgsn.dev>
 ;;; Copyright © 2019 Simon Tournier <zimon.toutoune@gmail.com>
+;;; Copyright © 2022 Hartmut Goebel <h.goebel@crazy-compilers.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -30,10 +31,12 @@
   #:use-module (srfi srfi-34)
   #:use-module (srfi srfi-26)
   #:use-module (srfi srfi-1)
+  #:use-module (guix diagnostics)
   #:use-module ((guix download) #:select (download-to-store url-fetch))
   #:use-module ((guix utils) #:select (package-name->name+version
                                        canonical-newline-port))
   #:use-module (guix http-client)
+  #:use-module (guix i18n)
   #:use-module (guix import utils)
   #:use-module (guix import cabal)
   #:use-module (guix store)
@@ -359,8 +362,13 @@ respectively."
   (let ((hackage-rx (make-regexp "(https?://hackage.haskell.org|mirror://hackage/)")))
     (url-predicate (cut regexp-exec hackage-rx <>))))
 
-(define (latest-release package)
+(define* (latest-release package #:key (version #f))
   "Return an <upstream-source> for the latest release of PACKAGE."
+  (when version
+    (error
+     (formatted-message
+      (G_ "~a updater doesn't support updating to a specific version, sorry.")
+      "hackage")))
   (let* ((hackage-name (guix-package->hackage-name package))
          (cabal-meta (hackage-fetch hackage-name)))
     (match cabal-meta

guix/import/minetest.scm

@@ -1,5 +1,6 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2021, 2022 Maxime Devos <maximedevos@telenet.be>
+;;; Copyright © 2022 Hartmut Goebel <h.goebel@crazy-compilers.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -25,6 +26,7 @@
   #:use-module (srfi srfi-2)
   #:use-module (srfi srfi-11)
   #:use-module (srfi srfi-26)
+  #:use-module (guix diagnostics)
   #:use-module ((guix packages) #:prefix package:)
   #:use-module (guix upstream)
   #:use-module (guix utils)
@@ -486,7 +488,7 @@ list of AUTHOR/NAME strings."
   (and (string-prefix? "minetest-" (package:package-name pkg))
        (assq-ref (package:package-properties pkg) 'upstream-name)))
 
-(define (latest-minetest-release pkg)
+(define* (latest-minetest-release pkg #:key (version #f))
   "Return an <upstream-source> for the latest release of the package PKG,
 or #false if the latest release couldn't be determined."
   (define author/name
@@ -494,6 +496,12 @@ or #false if the latest release couldn't be determined."
   (define contentdb-package (contentdb-fetch author/name)) ; TODO warn if #f?
   (define release (latest-release author/name))
   (define source (package:package-source pkg))
+
+  (when version
+    (error
+     (formatted-message
+      (G_ "~a updater doesn't support updating to a specific version, sorry.")
+      "minetest")))
   (and contentdb-package release
        (release-commit release) ; not always set
        ;; Only continue if both the old and new version number are both

guix/import/opam.scm

@@ -4,6 +4,7 @@
 ;;; Copyright © 2021 Xinglu Chen <public@yoctocell.xyz>
 ;;; Copyright © 2021 Sarah Morgensen <iskarian@mgsn.dev>
 ;;; Copyright © 2021, 2022 Alice Brenon <alice.brenon@ens-lyon.fr>
+;;; Copyright © 2022 Hartmut Goebel <h.goebel@crazy-compilers.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -35,6 +36,7 @@
   #:use-module ((guix build utils) #:select (dump-port find-files mkdir-p))
   #:use-module (guix build-system)
   #:use-module (guix build-system ocaml)
+  #:use-module (guix diagnostics)
   #:use-module (guix http-client)
   #:use-module (guix ui)
   #:use-module (guix packages)
@@ -417,8 +419,13 @@ package in OPAM."
     (member (build-system-name (package-build-system package)) '(dune ocaml))
     (not (string-prefix? "ocaml4" (package-name package)))))
 
-(define (latest-release package)
+(define* (latest-release package #:key (version #f))
   "Return an <upstream-source> for the latest release of PACKAGE."
+  (when version
+    (error
+     (formatted-message
+      (G_ "~a updater doesn't support updating to a specific version, sorry.")
+      "opam")))
   (and-let* ((opam-name (guix-package->opam-name package))
              (opam-file (opam-fetch opam-name))
              (version (assoc-ref opam-file "version"))

guix/import/stackage.scm

@@ -4,6 +4,7 @@
 ;;; Copyright © 2020 Martin Becze <mjbecze@riseup.net>
 ;;; Copyright © 2021 Xinglu Chem <public@yoctocell.xyz>
 ;;; Copyright © 2021 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2022 Hartmut Goebel <h.goebel@crazy-compilers.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -139,9 +140,14 @@ included in the Stackage LTS release."
          (mlambda ()
            (stackage-lts-packages
             (stackage-lts-info-fetch %default-lts-version)))))
-    (lambda* (pkg)
+    (lambda* (pkg #:key (version #f))
       "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."
+      (when version
+        (error
+         (formatted-message
+          (G_ "~a updater doesn't support updating to a specific version, sorry.")
+          "stackage")))
       (let* ((hackage-name (guix-package->hackage-name pkg))
              (version (lts-package-version (packages) hackage-name))
              (name-version (hackage-name-version hackage-name version)))