diff options
Diffstat (limited to 'guix/build/haskell-build-system.scm')
| -rw-r--r-- | guix/build/haskell-build-system.scm | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/guix/build/haskell-build-system.scm b/guix/build/haskell-build-system.scm index 26519ce5a6..be4f5b583b 100644 --- a/guix/build/haskell-build-system.scm +++ b/guix/build/haskell-build-system.scm @@ -27,6 +27,7 @@ #:use-module (ice-9 regex) #:use-module (ice-9 match) #:use-module (ice-9 vlist) + #:use-module (ice-9 ftw) #:export (%standard-phases haskell-build)) @@ -265,8 +266,19 @@ given Haskell package." (run-setuphs "haddock" haddock-flags) #t)) +(define* (patch-cabal-file #:key cabal-revision #:allow-other-keys) + (when cabal-revision + ;; Cabal requires there to be a single file with the suffix ".cabal". + (match (scandir "." (cut string-suffix? ".cabal" <>)) + ((original) + (format #t "replacing ~s with ~s~%" original cabal-revision) + (copy-file cabal-revision original)) + (_ (error "Could not find a Cabal file to patch.")))) + #t) + (define %standard-phases (modify-phases gnu:%standard-phases + (add-after 'unpack 'patch-cabal-file patch-cabal-file) (delete 'bootstrap) (add-before 'configure 'setup-compiler setup-compiler) (add-before 'install 'haddock haddock) |