Unify the PostgreSQL expressions again

pkgs/servers/sql/postgresql/9.0.x.nix

@@ -1,38 +0,0 @@
-{ stdenv, fetchurl, zlib, readline, openssl }:
-
-let version = "9.0.22"; in
-
-stdenv.mkDerivation rec {
-  name = "postgresql-${version}";
-
-  src = fetchurl {
-    url = "mirror://postgresql/source/v${version}/${name}.tar.bz2";
-    sha256 = "19gq6axjhvlr5zlrzwnll1fbrvai4xh0nb1jki6gmmschl6v5m4l";
-  };
-
-  outputs = [ "out" "doc" ];
-
-  buildInputs = [ zlib readline openssl ];
-
-  LC_ALL = "C";
-
-  configureFlags = [ "--with-openssl" ];
-
-  patches = [ ./less-is-more.patch ];
-
-  postInstall = ''mkdir -p $doc'';
-
-  passthru = {
-    inherit readline;
-    psqlSchema = "9.0";
-  };
-
-  meta = with stdenv.lib; {
-    homepage = http://www.postgresql.org/;
-    description = "A powerful, open source object-relational database system";
-    license = licenses.postgresql;
-    maintainers = [ maintainers.ocharles ];
-    platforms = platforms.unix;
-    hydraPlatforms = platforms.linux;
-  };
-}

pkgs/servers/sql/postgresql/9.1.x.nix

@@ -1,45 +0,0 @@
-{ stdenv, fetchurl, zlib, readline, openssl }:
-
-let version = "9.1.18"; in
-
-stdenv.mkDerivation rec {
-  name = "postgresql-${version}";
-
-  src = fetchurl {
-    url = "mirror://postgresql/source/v${version}/${name}.tar.bz2";
-    sha256 = "1a44hmcvfaa8j169ladsibmvjakw6maaxqkzz1ab8139cqkda9i7";
-  };
-
-  outputs = [ "out" "doc" ];
-
-  buildInputs = [ zlib readline openssl ];
-
-  enableParallelBuilding = true;
-
-  LC_ALL = "C";
-
-  configureFlags = [ "--with-openssl" ];
-
-  patches = [ ./less-is-more.patch ];
-
-  postInstall =
-    ''
-      mkdir -p $out/share/man
-      cp -rvd doc/src/sgml/man1 $out/share/man
-      mkdir -p $doc
-    '';
-
-  passthru = {
-    inherit readline;
-    psqlSchema = "9.1";
-  };
-
-  meta = with stdenv.lib; {
-    homepage = http://www.postgresql.org/;
-    description = "A powerful, open source object-relational database system";
-    license = licenses.postgresql;
-    maintainers = [ maintainers.ocharles ];
-    platforms = platforms.unix;
-    hydraPlatforms = platforms.linux;
-  };
-}

pkgs/servers/sql/postgresql/9.2.x.nix

@@ -1,42 +0,0 @@
-{ stdenv, fetchurl, zlib, readline, openssl }:
-
-let version = "9.2.13"; in
-
-stdenv.mkDerivation rec {
-  name = "postgresql-${version}";
-
-  src = fetchurl {
-    url = "mirror://postgresql/source/v${version}/${name}.tar.bz2";
-    sha256 = "0i3avdr8mnvn6ldkx0hc4jmclhisb2338hzs0j2m03wck8hddjsx";
-  };
-
-  outputs = [ "out" "doc" ];
-
-  buildInputs = [ zlib readline openssl ];
-
-  enableParallelBuilding = true;
-
-  makeFlags = [ "world" ];
-
-  configureFlags = stdenv.lib.optionals (!stdenv.isCygwin) [ "--with-openssl" ];
-
-  patches = [ ./disable-resolve_symlinks.patch ./less-is-more.patch ];
-
-  installTargets = [ "install-world" ];
-
-  LC_ALL = "C";
-
-  passthru = {
-    inherit readline;
-    psqlSchema = "9.2";
-  };
-
-  meta = with stdenv.lib; {
-    homepage = http://www.postgresql.org/;
-    description = "A powerful, open source object-relational database system";
-    license = licenses.postgresql;
-    maintainers = [ maintainers.ocharles ];
-    platforms = platforms.unix;
-    hydraPlatforms = platforms.linux;
-  };
-}

pkgs/servers/sql/postgresql/9.3.x.nix

@@ -1,46 +0,0 @@
-{ stdenv, fetchurl, zlib, readline, libossp_uuid, openssl}:
-
-with stdenv.lib;
-
-let version = "9.3.9"; in
-
-stdenv.mkDerivation rec {
-  name = "postgresql-${version}";
-
-  src = fetchurl {
-    url = "mirror://postgresql/source/v${version}/${name}.tar.bz2";
-    sha256 = "0j85j69rf54cwz5yhrhk4ca22b82990j5sqb8cr1fl9843nd0fzp";
-  };
-
-  outputs = [ "out" "doc" ];
-
-  buildInputs = [ zlib readline openssl ]
-                ++ optionals (!stdenv.isDarwin) [ libossp_uuid ];
-
-  enableParallelBuilding = true;
-
-  makeFlags = [ "world" ];
-
-  configureFlags = [ "--with-openssl" ]
-                   ++ optional (!stdenv.isDarwin) "--with-ossp-uuid";
-
-  patches = [ ./disable-resolve_symlinks.patch ./less-is-more.patch ];
-
-  installTargets = [ "install-world" ];
-
-  LC_ALL = "C";
-
-  passthru = {
-    inherit readline;
-    psqlSchema = "9.3";
-  };
-
-  meta = with stdenv.lib; {
-    homepage = http://www.postgresql.org/;
-    description = "A powerful, open source object-relational database system";
-    license = licenses.postgresql;
-    maintainers = [ maintainers.ocharles ];
-    platforms = platforms.unix;
-    hydraPlatforms = platforms.linux;
-  };
-}

pkgs/servers/sql/postgresql/9.4.x.nix

@@ -1,55 +0,0 @@
-{ stdenv, fetchurl, zlib, readline, libossp_uuid, openssl }:
-
-with stdenv.lib;
-
-let version = "9.4.4"; in
-
-stdenv.mkDerivation rec {
-  name = "postgresql-${version}";
-
-  src = fetchurl {
-    url = "mirror://postgresql/source/v${version}/${name}.tar.bz2";
-    sha256 = "04q07g209y99xzjh88y52qpvz225rxwifv8nzp3bxzfni2bdk3jk";
-  };
-
-  outputs = [ "out" "doc" ];
-
-  buildInputs = [ zlib readline openssl ]
-                ++ optionals (!stdenv.isDarwin) [ libossp_uuid ];
-
-  enableParallelBuilding = true;
-
-  makeFlags = [ "world" ];
-
-  configureFlags = [ "--with-openssl" ]
-                   ++ optional (stdenv.isDarwin)  "--with-uuid=e2fs"
-                   ++ optional (!stdenv.isDarwin) "--with-ossp-uuid";
-
-  patches = [ ./disable-resolve_symlinks-94.patch ./less-is-more.patch ];
-
-  installTargets = [ "install-world" ];
-
-  LC_ALL = "C";
-
-  postInstall =
-    ''
-      # Prevent a retained dependency on gcc-wrapper.
-      substituteInPlace $out/lib/pgxs/src/Makefile.global --replace ${stdenv.cc}/bin/ld ld
-    '';
-
-  disallowedReferences = [ stdenv.cc ];
-
-  passthru = {
-    inherit readline;
-    psqlSchema = "9.4";
-  };
-
-  meta = with stdenv.lib; {
-    homepage = http://www.postgresql.org/;
-    description = "A powerful, open source object-relational database system";
-    license = licenses.postgresql;
-    maintainers = [ maintainers.ocharles ];
-    platforms = platforms.unix;
-    hydraPlatforms = platforms.linux;
-  };
-}

pkgs/servers/sql/postgresql/default.nix

@@ -0,0 +1,91 @@
+{ lib, stdenv, fetchurl, zlib, readline, libossp_uuid, openssl }:
+
+let
+
+  common = { version, sha256, psqlSchema } @ args: stdenv.mkDerivation (rec {
+    name = "postgresql-${version}";
+
+    src = fetchurl {
+      url = "mirror://postgresql/source/v${version}/${name}.tar.bz2";
+      inherit sha256;
+    };
+
+    outputs = [ "out" "doc" ];
+
+    buildInputs =
+      [ zlib readline openssl ]
+      ++ lib.optionals (!stdenv.isDarwin) [ libossp_uuid ];
+
+    enableParallelBuilding = true;
+
+    makeFlags = [ "world" ];
+
+    configureFlags =
+      [ "--with-openssl" ]
+      ++ lib.optional (stdenv.isDarwin)  "--with-uuid=e2fs"
+      ++ lib.optional (!stdenv.isDarwin) "--with-ossp-uuid";
+
+    patches =
+      [ (if lib.versionAtLeast version "9.4" then ./disable-resolve_symlinks-94.patch else ./disable-resolve_symlinks.patch)
+        ./less-is-more.patch
+      ];
+
+    installTargets = [ "install-world" ];
+
+    LC_ALL = "C";
+
+    postInstall =
+      ''
+        # Prevent a retained dependency on gcc-wrapper.
+        substituteInPlace $out/lib/pgxs/src/Makefile.global --replace ${stdenv.cc}/bin/ld ld
+      '';
+
+    disallowedReferences = [ stdenv.cc ];
+
+    passthru = {
+      inherit readline psqlSchema;
+    };
+
+    meta = with lib; {
+      homepage = http://www.postgresql.org/;
+      description = "A powerful, open source object-relational database system";
+      license = licenses.postgresql;
+      maintainers = [ maintainers.ocharles ];
+      platforms = platforms.unix;
+      hydraPlatforms = platforms.linux;
+    };
+  });
+
+in {
+
+  postgresql90 = common {
+    version = "9.0.22";
+    psqlSchema = "9.0";
+    sha256 = "19gq6axjhvlr5zlrzwnll1fbrvai4xh0nb1jki6gmmschl6v5m4l";
+  };
+
+  postgresql91 = common {
+    version = "9.1.18";
+    psqlSchema = "9.1";
+    sha256 = "1a44hmcvfaa8j169ladsibmvjakw6maaxqkzz1ab8139cqkda9i7";
+  };
+
+  postgresql92 = common {
+    version = "9.2.13";
+    psqlSchema = "9.2";
+    sha256 = "0i3avdr8mnvn6ldkx0hc4jmclhisb2338hzs0j2m03wck8hddjsx";
+  };
+
+  postgresql93 = common {
+    version = "9.3.9";
+    psqlSchema = "9.3";
+    sha256 = "0j85j69rf54cwz5yhrhk4ca22b82990j5sqb8cr1fl9843nd0fzp";
+  };
+
+  postgresql94 = common {
+    version = "9.4.4";
+    psqlSchema = "9.4";
+    sha256 = "04q07g209y99xzjh88y52qpvz225rxwifv8nzp3bxzfni2bdk3jk";
+  };
+
+}

pkgs/top-level/all-packages.nix

@@ -9109,15 +9109,12 @@ let
 
   postgresql = postgresql94;
 
-  postgresql90 = callPackage ../servers/sql/postgresql/9.0.x.nix { };
+  inherit (callPackages ../servers/sql/postgresql { })
-
+    postgresql90
-  postgresql91 = callPackage ../servers/sql/postgresql/9.1.x.nix { };
+    postgresql91
-
+    postgresql92
-  postgresql92 = callPackage ../servers/sql/postgresql/9.2.x.nix { };
+    postgresql93
-
+    postgresql94;
-  postgresql93 = callPackage ../servers/sql/postgresql/9.3.x.nix { };
-
-  postgresql94 = callPackage ../servers/sql/postgresql/9.4.x.nix { };
 
   postgresql_jdbc = callPackage ../servers/sql/postgresql/jdbc { };