podman: install manpages

pkgs/applications/virtualization/podman/default.nix

@@ -1,5 +1,6 @@
 { stdenv, fetchFromGitHub, pkgconfig
 , buildGoPackage, gpgme, lvm2, btrfs-progs, libseccomp
+, go-md2man
 }:
 
 buildGoPackage rec {
@@ -15,9 +16,11 @@ buildGoPackage rec {
 
   goPackagePath = "github.com/containers/libpod";
 
+  outputs = [ "bin" "out" "man" ];
+
   # Optimizations break compilation of libseccomp c bindings
   hardeningDisable = [ "fortify" ];
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkgconfig go-md2man ];
 
   buildInputs = [
     btrfs-progs libseccomp gpgme lvm2
@@ -26,11 +29,12 @@ buildGoPackage rec {
   buildPhase = ''
     pushd $NIX_BUILD_TOP/go/src/${goPackagePath}
     patchShebangs .
-    make binaries
+    make binaries docs
   '';
 
   installPhase = ''
     install -Dm555 bin/podman $bin/bin/podman
+    MANDIR=$man/share/man make install.man
   '';
 
   meta = with stdenv.lib; {