pkgs.vmTools.buildRPM

The following is the current implementation of this function.

buildRPM =
    attrs:
    runInLinuxImage (
      stdenv.mkDerivation (
        {
          prePhases = [
            "prepareImagePhase"
            "sysInfoPhase"
          ];
          dontConfigure = true;

          outDir = "rpms/${attrs.diskImage.name}";

          prepareImagePhase = ''
            if test -n "$extraRPMs"; then
              for rpmdir in $extraRPMs ; do
                rpm -iv $(ls $rpmdir/rpms/*/*.rpm | grep -v 'src\.rpm' | sort | head -1)
              done
            fi
          '';

          sysInfoPhase = ''
            echo "System/kernel: $(uname -a)"
            if test -e /etc/fedora-release; then echo "Fedora release: $(cat /etc/fedora-release)"; fi
            if test -e /etc/SuSE-release; then echo "SUSE release: $(cat /etc/SuSE-release)"; fi
            echo "installed RPM packages"
            rpm -qa --qf "%{Name}-%{Version}-%{Release} (%{Arch}; %{Distribution}; %{Vendor})\n"
          '';

          buildPhase = ''
            eval "$preBuild"

            srcName="$(rpmspec --srpm -q --qf '%{source}' *.spec)"
            cp "$src" "$srcName" # `ln' doesn't work always work: RPM requires that the file is owned by root

            export HOME=/tmp/home
            mkdir $HOME

            rpmout=/tmp/rpmout
            mkdir $rpmout $rpmout/SPECS $rpmout/BUILD $rpmout/RPMS $rpmout/SRPMS

            echo "%_topdir $rpmout" >> $HOME/.rpmmacros

            if [ `uname -m` = i686 ]; then extra="--target i686-linux"; fi
            rpmbuild -vv $extra -ta "$srcName"

            eval "$postBuild"
          '';

          installPhase = ''
            eval "$preInstall"

            mkdir -p $out/$outDir
            find $rpmout -name "*.rpm" -exec cp {} $out/$outDir \;

            for i in $out/$outDir/*.rpm; do
              echo "Generated RPM/SRPM: $i"
              rpm -qip $i
            done

            eval "$postInstall"
          ''; # */
        }
        // attrs
      )
    );