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-rw-r--r--krebs/5pkgs/builders.nix98
1 files changed, 80 insertions, 18 deletions
diff --git a/krebs/5pkgs/builders.nix b/krebs/5pkgs/builders.nix
index 39b91d144..ac355991a 100644
--- a/krebs/5pkgs/builders.nix
+++ b/krebs/5pkgs/builders.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+{ config, pkgs, ... }:
with config.krebs.lib;
rec {
execve = name: { filename, argv ? null, envp ? {}, destination ? "" }: let
@@ -66,50 +66,112 @@ rec {
mv "$textPath" $out
'';
- writeHaskellBin =
+ writeHaskell =
k:
let
k' = parseDrvName k;
name = k'.name;
version = if k'.version != "" then k'.version else "0";
in
- { build-depends ? ["base"] ++ depends
- , depends ? []
+ { base-depends ? ["base"]
+ , executables ? {}
, ghc-options ? ["-Wall" "-O3" "-threaded" "-rtsopts"]
, haskellPackages ? pkgs.haskellPackages
+ , library ? null
, license ? "WTFPL"
}:
- main-text:
let
+ isExecutable = executables != {};
+ isLibrary = library != null;
+
cabal-file = pkgs.writeText "${name}-${version}.cabal" ''
build-type: Simple
cabal-version: >= 1.2
name: ${name}
version: ${version}
-
- executable ${name}
- build-depends: ${concatStringsSep "," build-depends}
- ghc-options: ${toString ghc-options}
- main-is: ${main-file.name}
+ ${concatStringsSep "\n" (mapAttrsToList exe-section executables)}
+ ${optionalString isLibrary (lib-section library)}
'';
- main-file = pkgs.writeText "${name}-${version}.hs" main-text;
+
+ exe-install =
+ exe-name:
+ { file ? pkgs.writeText "${name}-${exe-name}.hs" text
+ , relpath ? "${exe-name}.hs"
+ , text
+ , ... }:
+ if types.filename.check exe-name
+ then "install -D ${file} $out/${relpath}"
+ else throw "argument ‘exe-name’ is not a ${types.filename.name}";
+
+ exe-section =
+ exe-name:
+ { build-depends ? base-depends ++ extra-depends
+ , extra-depends ? []
+ , file ? pkgs.writeText "${name}-${exe-name}.hs" text
+ , relpath ? "${exe-name}.hs"
+ , text
+ , ... }: ''
+ executable ${exe-name}
+ build-depends: ${concatStringsSep "," build-depends}
+ ghc-options: ${toString ghc-options}
+ main-is: ${relpath}
+ '';
+
+ get-depends =
+ { build-depends ? base-depends ++ extra-depends
+ , extra-depends ? []
+ , ...
+ }:
+ build-depends;
+
+ lib-install =
+ { exposed-modules
+ , ... }:
+ concatStringsSep "\n" (mapAttrsToList mod-install exposed-modules);
+
+ lib-section =
+ { build-depends ? base-depends ++ extra-depends
+ , extra-depends ? []
+ , exposed-modules
+ , ... }: ''
+ library
+ build-depends: ${concatStringsSep "," build-depends}
+ ghc-options: ${toString ghc-options}
+ exposed-modules: ${concatStringsSep "," (attrNames exposed-modules)}
+ '';
+
+ mod-install =
+ mod-name:
+ { file ? pkgs.writeText "${name}-${mod-name}.hs" text
+ , relpath ? "${replaceStrings ["."] ["/"] mod-name}.hs"
+ , text
+ , ... }:
+ if types.haskell.modid.check mod-name
+ then "install -D ${file} $out/${relpath}"
+ else throw "argument ‘mod-name’ is not a ${types.haskell.modid.name}";
in
- haskellPackages.mkDerivation rec {
- inherit license version;
- executableHaskellDepends = attrVals build-depends haskellPackages;
- isExecutable = true;
- isLibrary = false;
+ haskellPackages.mkDerivation {
+ inherit isExecutable isLibrary license version;
+ executableHaskellDepends =
+ attrVals
+ (concatMap get-depends (attrValues executables))
+ haskellPackages;
+ libraryHaskellDepends =
+ attrVals
+ (optionals isLibrary (get-depends library))
+ haskellPackages;
pname = name;
src = pkgs.runCommand "${name}-${version}-src" {} ''
install -D ${cabal-file} $out/${cabal-file.name}
- install -D ${main-file} $out/${main-file.name}
+ ${optionalString isLibrary (lib-install library)}
+ ${concatStringsSep "\n" (mapAttrsToList exe-install executables)}
'';
};
writeNixFromCabal =
trace (toString [
"The function `writeNixFromCabal` has been deprecated in favour of"
- "`writeHaskellBin'."
+ "`writeHaskell`."
])
(name: path: pkgs.runCommand name {} ''
${pkgs.cabal2nix}/bin/cabal2nix ${path} > $out