diff options
Diffstat (limited to 'krebs/5pkgs')
| -rw-r--r-- | krebs/5pkgs/builders.nix | 66 |
1 files changed, 47 insertions, 19 deletions
diff --git a/krebs/5pkgs/builders.nix b/krebs/5pkgs/builders.nix index 924e0c086..dcd49fc10 100644 --- a/krebs/5pkgs/builders.nix +++ b/krebs/5pkgs/builders.nix @@ -74,33 +74,59 @@ rec { writeOut = name: specs0: let - specs = mapAttrsToList (path0: spec0: rec { - path = guard { - type = types.pathname; - value = path0; - }; - var = "file_${hashString "sha1" path}"; - text = spec0.text; - executable = guard { - type = types.bool; - value = spec0.executable or false; + writers.link = + { path + , link + }: + assert path == "" || types.absolute-pathname.check path; + assert types.package.check link; + { + install = /* sh */ '' + ${optionalString (dirOf path != "/") /* sh */ '' + ${pkgs.coreutils}/bin/mkdir -p $out${dirOf path} + ''} + ${pkgs.coreutils}/bin/ln -s ${link} $out${path} + ''; }; - mode = guard { - type = types.file-mode; - value = spec0.mode or (if executable then "0755" else "0644"); + + writers.text = + { path + , executable ? false + , mode ? if executable then "0755" else "0644" + , text + }: + assert path == "" || types.absolute-pathname.check path; + assert types.bool.check executable; + assert types.file-mode.check mode; + rec { + var = "file_${hashString "sha1" path}"; + val = text; + install = /* sh */ '' + ${pkgs.coreutils}/bin/install -m ${mode} -D ''$${var}Path $out${path} + ''; }; - }) specs0; - filevars = genAttrs' specs (spec: nameValuePair spec.var spec.text); + write = spec: writers.${spec.type} (removeAttrs spec ["type"]); + + specs = + mapAttrsToList + (path: spec: let + known-types = [ "link" "text" ]; + found-types = attrNames (getAttrs known-types spec); + type = assert length found-types == 1; head found-types; + in spec // { inherit path type; }) + specs0; + + files = map write specs; + + filevars = genAttrs' (filter (hasAttr "var") files) + (spec: nameValuePair spec.var spec.val); env = filevars // { passAsFile = attrNames filevars; }; in pkgs.runCommand name env /* sh */ '' set -efu - PATH=${makeBinPath [pkgs.coreutils]} - ${concatMapStrings (spec: /* sh */ '' - install -m ${spec.mode} -D ''$${spec.var}Path $out${spec.path} - '') specs} + ${concatMapStringsSep "\n" (getAttr "install") files} ''; writeHaskell = @@ -213,4 +239,6 @@ rec { (name: path: pkgs.runCommand name {} /* sh */ '' ${pkgs.cabal2nix}/bin/cabal2nix ${path} > $out ''); + + writeSed = makeScriptWriter "${pkgs.gnused}/bin/sed -f"; } |