gnu: ghc-esqueleto: Update to commit b81e0d9.

* gnu/packages/haskell.scm (ghc-esqueleto): Update to commit b81e0d9.
[source]: Use git-fetch.
[arguments]: Disable Haddock and add phase to remove MySQL and PostgreSQL
test-suites.
[inputs]: Add ghc-unliftio.
[native-inputs]: Remove ghc-hunit, ghc-monad-control, and ghc-quickcheck.

gnu/packages/haskell.scm

@@ -8555,18 +8555,47 @@ JSON (JavaScript Object Notation) is a lightweight data-interchange format.")
     (license license:bsd-3)))
 
 (define-public ghc-esqueleto
+  (let ((version "2.5.3")
+        (revision "1")
+        (commit "b81e0d951e510ebffca03c5a58658ad884cc6fbd"))
     (package
       (name "ghc-esqueleto")
-    (version "2.5.3")
+      (version (git-version version revision commit))
       (source
        (origin
-       (method url-fetch)
+         (method git-fetch)
-       (uri (string-append "https://hackage.haskell.org/package/"
+         (uri (git-reference
-                           "esqueleto/esqueleto-" version ".tar.gz"))
+               (url "https://github.com/bitemyapp/esqueleto")
+               (commit commit)))
          (sha256
           (base32
-         "10n49rzqmblky7pwjnysalyy6nacmxfms8dqbsdv6hlyzr8pb69x"))))
+           "0lz1qxms7cfg5p3j37inlych0r2fwhm8xbarcys3df9m7jy9nixa"))))
       (build-system haskell-build-system)
+      (arguments
+       `(#:haddock? #f  ; Haddock reports an internal error.
+         #:phases
+         (modify-phases %standard-phases
+           ;; This package normally runs tests for the MySQL, PostgreSQL, and
+           ;; SQLite backends.  Since we only have Haskell packages for
+           ;; SQLite, we remove the other two test suites.  FIXME: Add the
+           ;; other backends and run all three test suites.
+           (add-before 'configure 'remove-non-sqlite-test-suites
+             (lambda _
+               (use-modules (ice-9 rdelim))
+               (with-atomic-file-replacement "esqueleto.cabal"
+                 (lambda (in out)
+                   (let loop ((line (read-line in 'concat)) (deleting? #f))
+                     (cond
+                      ((eof-object? line) #t)
+                      ((string-every char-set:whitespace line)
+                       (unless deleting? (display line out))
+                       (loop (read-line in 'concat) #f))
+                      ((member line '("test-suite mysql\n"
+                                      "test-suite postgresql\n"))
+                       (loop (read-line in 'concat) #t))
+                      (else
+                       (unless deleting? (display line out))
+                       (loop (read-line in 'concat) deleting?)))))))))))
       (inputs
        `(("ghc-blaze-html" ,ghc-blaze-html)
          ("ghc-conduit" ,ghc-conduit)
@@ -8575,14 +8604,12 @@ JSON (JavaScript Object Notation) is a lightweight data-interchange format.")
          ("ghc-resourcet" ,ghc-resourcet)
          ("ghc-tagged" ,ghc-tagged)
          ("ghc-text" ,ghc-text)
+         ("ghc-unliftio" ,ghc-unliftio)
          ("ghc-unordered-containers" ,ghc-unordered-containers)))
       (native-inputs
        `(("ghc-hspec" ,ghc-hspec)
-       ("ghc-hunit" ,ghc-hunit)
-       ("ghc-monad-control" ,ghc-monad-control)
          ("ghc-persistent-sqlite" ,ghc-persistent-sqlite)
-       ("ghc-persistent-template" ,ghc-persistent-template)
+         ("ghc-persistent-template" ,ghc-persistent-template)))
-       ("ghc-quickcheck" ,ghc-quickcheck)))
       (home-page "https://github.com/bitemyapp/esqueleto")
       (synopsis "Type-safe embedded domain specific language for SQL queries")
       (description "This library provides a type-safe embedded domain specific
@@ -8590,7 +8617,7 @@ language (EDSL) for SQL queries that works with SQL backends as provided by
 @code{ghc-persistent}.  Its language closely resembles SQL, so you don't have
 to learn new concepts, just new syntax, and it's fairly easy to predict the
 generated SQL and optimize it for your backend.")
-    (license license:bsd-3)))
+      (license license:bsd-3))))
 
 (define-public shellcheck
   (package