feat(assign1): add employee.c

assign1/default.nix

@@ -1,12 +1,21 @@
-{
-  assign1-hello = { stdenv }:
+let
+  basic-c = name: { stdenv }:
     stdenv.mkDerivation {
-      name = "hello";
+      inherit name;
       src = ./.;
-      buildPhase = "gcc c-programs/hello.c -o hello";
+      buildPhase = ''
+        runHook preBuild
+        gcc c-programs/${name}.c -o ${name}
+        runHook postBuild
+      '';
       installPhase = ''
+        runHook preInstall
         mkdir -p $out/bin
-        install hello $out/bin/hello
+        install ${name} $out/bin/
+        runHook postInstall
       '';
     };
+in {
+  assign1-hello = basic-c "hello";
+  assign1-employee = basic-c "employee";
 }