diff options
| -rw-r--r-- | default.nix | 25 | ||||
| -rw-r--r-- | env.nix | 55 |
2 files changed, 55 insertions, 25 deletions
diff --git a/default.nix b/default.nix deleted file mode 100644 index 599a096..0000000 --- a/default.nix +++ /dev/null @@ -1,25 +0,0 @@ - -let - pkgs = import <nixpkgs> {}; - hsEnv = pkgs.haskellPackages.ghcWithPackages (hsPkgs : with hsPkgs; [ - lens - mtl - ]); -in - -pkgs.myEnvFun { - name = "hack"; - buildInputs = with pkgs; [ - hsEnv - ]; - - # XXX https://nixos.org/wiki/Haskell says: - # Since tools (such as hdevtools [snap-loader-dynamic in our case]) that - # rely on the ghc-api to do haskell language manipulation are sensitive - # to nix-wrapping of ghc, we need the extraCmds line to ensure the - # proper ghc-wrapping environment variables are set inside the - # dev-environment shell. - extraCmds = '' - $(grep export ${hsEnv.outPath}/bin/ghc) - ''; -} @@ -0,0 +1,55 @@ +{ nixpkgs ? import <nixpkgs> {} }: + +let + name = "hack"; + version = "1"; + + buildInputs = with pkgs; [ + hsEnv + ]; + + extraCmds = with pkgs; '' + export MANPATH=$(ls -d $(echo "$PATH" | tr : \\n | sed -n 's:\(^/nix/store/[^/]\+\).*:\1/share/man:p') 2>/dev/null | tr \\n :) + $(grep export ${hsEnv.outPath}/bin/ghc) + ${mkExports staticPkgs} + ''; + + hsEnv = hsPkgs.ghcWithPackages (self: with self; + login.nativeBuildInputs ++ + [ + cabalInstall + dataDefault + lens + mtl + zippers + + #threadscope + ] + ); + + hsPkgs = pkgs.haskellPackages_ghc783_profiling.override { + extension = self: super: with self; { + }; + }; + + pkgs = nixpkgs // staticPkgs; + staticPkgs = with nixpkgs; { + }; + + #{{{ mkExports : set -> string + # Create shell script that exports a set's attributes. + mkExports = set: with builtins; with pkgs.lib.strings; + let + # XXX attribute names are not escaped, they have to be sane + # XXX the value should not contain <newline> + mkExport = k: "export ${k}=${escapeSh (getAttr k set)}"; + escapeSh = stringAsChars (c: "\\${c}"); + in + concatStringsSep "\n" (map mkExport (attrNames set)); + #}}} + +in pkgs.myEnvFun { + name = "${name}-${version}"; + inherit buildInputs extraCmds; +} +# vim: set fdm=marker : |