diff options
Diffstat (limited to 'guix/profiles.scm')
| -rw-r--r-- | guix/profiles.scm | 60 |
1 files changed, 58 insertions, 2 deletions
diff --git a/guix/profiles.scm b/guix/profiles.scm index 465aaf9477..a2f63d1cca 100644 --- a/guix/profiles.scm +++ b/guix/profiles.scm @@ -404,6 +404,55 @@ MANIFEST." (gexp->derivation "info-dir" build #:modules '((guix build utils))))) +(define (ghc-package-cache-file manifest) + "Return a derivation that builds the GHC 'package.cache' file for all the +entries of MANIFEST." + (define ghc ;lazy reference + (module-ref (resolve-interface '(gnu packages haskell)) 'ghc)) + + (define build + #~(begin + (use-modules (guix build utils) + (srfi srfi-1) (srfi srfi-26) + (ice-9 ftw)) + + (define ghc-name-version + (let* ((base (basename #+ghc))) + (string-drop base + (+ 1 (string-index base #\-))))) + + (define db-subdir + (string-append "lib/" ghc-name-version "/package.conf.d")) + + (define db-dir + (string-append #$output "/" db-subdir)) + + (define (conf-files top) + (find-files (string-append top "/" db-subdir) "\\.conf$")) + + (define (copy-conf-file conf) + (let ((base (basename conf))) + (copy-file conf (string-append db-dir "/" base)))) + + (system* (string-append #+ghc "/bin/ghc-pkg") "init" db-dir) + (for-each copy-conf-file + (append-map conf-files + '#$(manifest-inputs manifest))) + (let ((success + (zero? + (system* (string-append #+ghc "/bin/ghc-pkg") "recache" + (string-append "--package-db=" db-dir))))) + (for-each delete-file (find-files db-dir "\\.conf$")) + success))) + + ;; Don't depend on GHC when there's nothing to do. + (if (any (cut string-prefix? "ghc" <>) + (map manifest-entry-name (manifest-entries manifest))) + (gexp->derivation "ghc-package-cache" build + #:modules '((guix build utils)) + #:local-build? #t) + (gexp->derivation "ghc-package-cache" #~(mkdir #$output)))) + (define (ca-certificate-bundle manifest) "Return a derivation that builds a single-file bundle containing the CA certificates in the /etc/ssl/certs sub-directories of the packages in @@ -465,14 +514,18 @@ MANIFEST. Single-file bundles are required by programs such as Git and Lynx." (define* (profile-derivation manifest #:key (info-dir? #t) + (ghc-package-cache? #t) (ca-certificate-bundle? #t)) "Return a derivation that builds a profile (aka. 'user environment') with the given MANIFEST. The profile includes a top-level Info 'dir' file unless -INFO-DIR? is #f, and a single-file CA certificate bundle unless -CA-CERTIFICATE-BUNDLE? is #f." +INFO-DIR? is #f, a GHC 'package.cache' file unless GHC-PACKAGE-CACHE? is #f +and a single-file CA certificate bundle unless CA-CERTIFICATE-BUNDLE? is #f." (mlet %store-monad ((info-dir (if info-dir? (info-dir-file manifest) (return #f))) + (ghc-package-cache (if ghc-package-cache? + (ghc-package-cache-file manifest) + (return #f))) (ca-cert-bundle (if ca-certificate-bundle? (ca-certificate-bundle manifest) (return #f)))) @@ -480,6 +533,9 @@ CA-CERTIFICATE-BUNDLE? is #f." (append (if info-dir (list (gexp-input info-dir)) '()) + (if ghc-package-cache + (list (gexp-input ghc-package-cache)) + '()) (if ca-cert-bundle (list (gexp-input ca-cert-bundle)) '()) |