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authorRobert Vollmert <rob@vllmrt.net>2019-07-16 15:41:23 +0200
committerTimothy Sample <samplet@ngyro.com>2020-11-03 15:36:59 -0500
commitf0bb2662bb05625042094e124521197c5f43505e (patch)
treeccd2cabec00c13e21ea5265cfe1a8f4db20adf73
parent1aced9aa0c32849939d1facfaa0f3e5f1a6c11e0 (diff)
downloadguix-f0bb2662bb05625042094e124521197c5f43505e.tar.gz
guix import stackage: Default to LTS version that matches GHC.
In particular, this means that 'guix lint' won't warn to update to
versions that won't necessarily fit our package set well.

* guix/import/stackage.scm (%stackage-url): Change to "https",
avoiding redirect log messages.
(%default-lts-version): New variable.
(stackage-lts-info-fetch, stackage->guix-package,
latest-lts-release): Use it.
(lts-info-ghc-version): Remove unused procedure.

Signed-off-by: Timothy Sample <samplet@ngyro.com>
-rw-r--r--guix/import/stackage.scm21
1 files changed, 11 insertions, 10 deletions
diff --git a/guix/import/stackage.scm b/guix/import/stackage.scm
index ee12108815..93cf214127 100644
--- a/guix/import/stackage.scm
+++ b/guix/import/stackage.scm
@@ -39,12 +39,10 @@
 ;;; Stackage info fetcher and access functions
 ;;;
 
-(define %stackage-url "http://www.stackage.org")
+(define %stackage-url "https://www.stackage.org")
 
-(define (lts-info-ghc-version lts-info)
-  "Returns the version of the GHC compiler contained in LTS-INFO."
-  (and=> (assoc-ref lts-info "snapshot")
-         (cut assoc-ref <> "ghc")))
+;; 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."
@@ -57,9 +55,10 @@
   ;; "Retrieve the information about the LTS Stackage release VERSION."
   (memoize
    (lambda* (#:optional (version ""))
-     (let* ((url (if (string=? "" version)
-                     (string-append %stackage-url "/lts")
-                     (string-append %stackage-url "/lts-" version)))
+     (let* ((url (string-append %stackage-url
+                                "/lts-" (if (string-null? version)
+                                            %default-lts-version
+                                            version)))
             (lts-info (json-fetch url)))
        (if lts-info
            (reverse lts-info)
@@ -90,7 +89,7 @@
    (lambda* (package-name ; upstream name
              #:key
              (include-test-dependencies? #t)
-             (lts-version "")
+             (lts-version %default-lts-version)
              (packages-info
               (lts-info-packages
                (stackage-lts-info-fetch lts-version))))
@@ -119,7 +118,9 @@ included in the Stackage LTS release."
 ;;;
 
 (define latest-lts-release
-  (let ((pkgs-info (mlambda () (lts-info-packages (stackage-lts-info-fetch)))))
+  (let ((pkgs-info
+        (mlambda () (lts-info-packages
+                     (stackage-lts-info-fetch %default-lts-version)))))
     (lambda* (package)
       "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."