Add unfree Oracle instant client and SQLPlus CLI utility.

pkgs/development/libraries/oracle-instantclient/default.nix

···
+{ stdenv, requireFile, libelf, gcc, glibc, patchelf, unzip, rpmextract, libaio }:
+
+let requireSource = version: part: hash: (requireFile rec {
+  name = "oracle-instantclient12.1-${part}-${version}.x86_64.rpm";
+  message = ''
+    This Nix expression requires that ${name} already
+    be part of the store. Download the file
+    manually at
+
+    http://www.oracle.com/technetwork/topics/linuxx86-64soft-092277.html
+
+    and add it to the Nix store with the following command:
+
+    nix-prefetch-url file://${name} ${hash} --type sha256
+'';
+  url = "http://www.oracle.com/technetwork/topics/linuxx86-64soft-092277.html";
+  sha256 = hash;
+}); in stdenv.mkDerivation rec {
+  version = "12.1.0.2.0-1";
+  name = "oracle-instantclient-${version}";
+
+  srcBase = (requireSource version "basic" "f0e51e247cc3f210b950fd939ab1f696de9ca678d1eb179ba49ac73acb9a20ed");
+  srcDevel = (requireSource version "devel" "13b638882f07d6cfc06c85dc6b9eb5cac37064d3d594194b6b09d33483a08296");
+  srcSqlplus = (requireSource version "sqlplus" "16d87w1lii0ag47c8srnr7v4wfm9q4hy6gka8m3v6gp9cc065vam");
+
+  buildInputs = [ glibc patchelf rpmextract ];
+
+  buildCommand = ''
+    mkdir -p "${name}"
+    cd "${name}"
+    ${rpmextract}/bin/rpmextract "${srcBase}"
+    ${rpmextract}/bin/rpmextract "${srcDevel}"
+    ${rpmextract}/bin/rpmextract "${srcSqlplus}"
+
+    mkdir -p "$out/"{bin,include,lib,"share/${name}/demo/"}
+    mv "usr/share/oracle/12.1/client64/demo/"* "$out/share/${name}/demo/"
+    mv "usr/include/oracle/12.1/client64/"* "$out/include/"
+    mv "usr/lib/oracle/12.1/client64/lib/"* "$out/lib/"
+    mv "usr/lib/oracle/12.1/client64/bin/"* "$out/bin/"
+    ln -s "$out/bin/sqlplus" "$out/bin/sqlplus64"
+
+    for lib in $out/lib/lib*.so; do
+      test -f $lib || continue
+      chmod +x $lib
+      patchelf --force-rpath --set-rpath "$out/lib:${libaio}/lib" \
+               $lib
+    done
+
+    for exe in $out/bin/sqlplus; do
+      patchelf --set-interpreter $(cat $NIX_CC/nix-support/dynamic-linker) \
+               --force-rpath --set-rpath "$out/lib:${libaio}/lib" \
+               $exe
+    done
+  '';
+
+  meta = with stdenv.lib; {
+    description = "Oracle instant client libraries and sqlplus CLI.";
+    longDescription = ''
+      Oracle instant client provides access to Oracle databases (OCI,
+      OCCI, Pro*C, ODBC or JDBC). This package includes the sqlplus
+      command line SQL client.
+    '';
+    license = licenses.unfree;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ pesterhazy ];
+  };
+}

pkgs/top-level/all-packages.nix

···
 
   pass = callPackage ../tools/security/pass { };
 
+  oracle-instantclient = callPackage ../development/libraries/oracle-instantclient { };
+
   setfile = callPackage ../os-specific/darwin/setfile { };
 
   install_name_tool = callPackage ../os-specific/darwin/install_name_tool { };