4 files changed, 66 insertions, 53 deletions
diff --git a/krebs/5pkgs/builders.nix b/krebs/5pkgs/builders.nix
new file mode 100644
index 000000000..b3cb1c943
--- /dev/null
+++ b/krebs/5pkgs/builders.nix
@@ -0,0 +1,51 @@
+{ lib, pkgs, ... }:
+with lib;
+{
+  execve = name: { filename, argv, envp ? {}, destination ? "" }:
+    writeC name { inherit destination; } ''
+      #include <unistd.h>
+      int main () {
+        const char *filename = ${toC filename};
+        char *const argv[] = ${toC (argv ++ [null])};
+        char *const envp[] = ${toC (
+          mapAttrsToList (k: v: "${k}=${v}") envp ++ [null]
+        )};
+        execve(filename, argv, envp);
+        return -1;
+      }
+    '';
+
+  execveBin = name: cfg: execve name (cfg // { destination = "/bin/${name}"; });
+
+  writeC = name: { destination ? "" }: src: pkgs.runCommand name {} ''
+    PATH=${makeSearchPath "bin" (with pkgs; [
+      binutils
+      coreutils
+      gcc
+    ])}
+    src=${pkgs.writeText "${name}.c" src}
+    exe=$out${destination}
+    mkdir -p "$(dirname "$exe")"
+    gcc -O -Wall -o "$exe" $src
+    strip --strip-unneeded "$exe"
+  '';
+
+  writeDash = name: text: pkgs.writeScript name ''
+    #! ${pkgs.dash}/bin/dash
+    ${text}
+  '';
+
+  writeDashBin = name: text: pkgs.writeTextFile {
+    executable = true;
+    destination = "/bin/${name}";
+    name = name;
+    text = ''
+      #! ${pkgs.dash}/bin/dash
+      ${text}
+    '';
+  };
+
+  writeNixFromCabal = name: path: pkgs.runCommand name {} ''
+    ${pkgs.cabal2nix}/bin/cabal2nix ${path} > $out
+  '';
+}
diff --git a/krebs/5pkgs/default.nix b/krebs/5pkgs/default.nix
index c4b1dafe4..89e19dffd 100644
--- a/krebs/5pkgs/default.nix
+++ b/krebs/5pkgs/default.nix
@@ -1,13 +1,6 @@
-{ lib, pkgs, ... }:
-
+{ lib, pkgs, ... }@args:
 with lib;
-let
-  subdirs = mapAttrs (_: flip pkgs.callPackage {}) (subdirsOf ./.);
-  pkgs' = pkgs // subdirs;
-in
-
-subdirs // rec {
-
+{
   haskellPackages = pkgs.haskellPackages.override {
     overrides = self: super:
       mapAttrs (name: path: self.callPackage path {})
@@ -22,46 +15,17 @@ subdirs // rec {
           (builtins.readDir ./haskell-overrides));
   };
 
-  push = pkgs'.callPackage ./push {
+  push = pkgs.callPackage ./push {
     inherit (subdirs) get jq;
   };
 
   ReaktorPlugins = pkgs.callPackage ./Reaktor/plugins.nix {};
 
-  execve = name: { filename, argv, envp ? {}, destination ? "" }:
-    writeC name { inherit destination; } ''
-      #include <unistd.h>
-      int main () {
-        const char *filename = ${toC filename};
-        char *const argv[] = ${toC (argv ++ [null])};
-        char *const envp[] = ${toC (
-          mapAttrsToList (k: v: "${k}=${v}") envp ++ [null]
-        )};
-        execve(filename, argv, envp);
-        return -1;
-      }
-    '';
-
   test = {
     infest-cac-centos7 = pkgs.callPackage ./test/infest-cac-centos7 {};
   };
-
-  execveBin = name: cfg: execve name (cfg // { destination = "/bin/${name}"; });
-
-  writeC = name: { destination ? "" }: src: pkgs.runCommand name {} ''
-    PATH=${makeSearchPath "bin" (with pkgs; [
-      binutils
-      coreutils
-      gcc
-    ])}
-    src=${pkgs.writeText "${name}.c" src}
-    exe=$out${destination}
-    mkdir -p "$(dirname "$exe")"
-    gcc -O -Wall -o "$exe" $src
-    strip --strip-unneeded "$exe"
-  '';
-
-  writeNixFromCabal = name: path: pkgs.runCommand name {} ''
-    ${pkgs.cabal2nix}/bin/cabal2nix ${path} > $out
-  '';
 }
+// import ./builders.nix args
+// mapAttrs (_: flip pkgs.callPackage {})
+            (filterAttrs (_: dir.has-default-nix)
+                         (subdirsOf ./.))
diff --git a/krebs/5pkgs/posix-array/default.nix b/krebs/5pkgs/posix-array/default.nix
index 456a3cc11..cfcdb29a7 100644
--- a/krebs/5pkgs/posix-array/default.nix
+++ b/krebs/5pkgs/posix-array/default.nix
@@ -1,7 +1,7 @@
-{ stdenv, fetchgit, ... }:
+{ fetchgit, lib, stdenv, ... }:
 
-with stdenv; stdenv.mkDerivation rec {
-  name = "posix-array";
+stdenv.mkDerivation rec {
+  name = "posix-array-${version}";
   version = "1.0.0";
 
   src = fetchgit {
@@ -16,16 +16,15 @@ with stdenv; stdenv.mkDerivation rec {
   ];
 
   installPhase = ''
-    mkdir -p "$out/bin"
+    mkdir -p $out/bin
     cp -a ./array $out/bin
-    rm *
   '';
 
   meta = {
-    description = "Posix-compliant array implementation";
+    description = "POSIX-compliant array implementation";
     url = https://github.com/makefu/array;
-    license = licenses.wtfpl;
-    platforms = platforms.unix;
-    maintainers = with maintainers; [ makefu ];
+    license = lib.licenses.wtfpl;
+    platforms = lib.platforms.unix;
+    maintainers = with lib.maintainers; [ makefu ];
   };
 }
diff --git a/krebs/5pkgs/test/infest-cac-centos7/notes b/krebs/5pkgs/test/infest-cac-centos7/notes
index b3beb392f..db80c0c6c 100755
--- a/krebs/5pkgs/test/infest-cac-centos7/notes
+++ b/krebs/5pkgs/test/infest-cac-centos7/notes
@@ -115,7 +115,6 @@ _: {
   users.extraUsers.root.openssh.authorizedKeys.keys = [
     "$(cat ${krebs_ssh}.pub)"
   ];
-  krebs.build.target = "$ip";
 }
 EOF