[PATCH] gnu: postgresql: Substitute hard coded "/bin/sh".

[John Darrington]

* gnu/packages/databses.scm (postgresql): substitute /bin/sh
with location of  bash binary.
---
 gnu/packages/databases.scm | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/gnu/packages/databases.scm b/gnu/packages/databases.scm
index 25c1e6a..b67481f 100644
--- a/gnu/packages/databases.scm
+++ b/gnu/packages/databases.scm
@@ -283,6 +283,18 @@ as a drop-in replacement of MySQL.")
                (base32
                 "08ba951nfiy516flaw352shj1zslxg4ryx3w5k0adls1r682l8ix"))))
     (build-system gnu-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-before
+          'configure 'patch-/bin/sh
+          (lambda* (#:key inputs #:allow-other-keys)
+            (let ((bash (assoc-ref inputs "bash")))
+              ;; Refer to the actual shell.
+              (substitute* '("src/bin/pg_ctl/pg_ctl.c"
+                             "src/bin/psql/command.c")
+                (("/bin/sh")
+                 (string-append bash "/bin/sh")))))))))
     (inputs
      `(("readline" ,readline)
        ("zlib" ,zlib)))
-- 
2.1.4