big refactor, try to add full template.

common/common.sh

@@ -112,7 +112,7 @@ check_dist_or_OS () {
 
 ### guard that the caller of the script must be root or has sudo right
 guard_root_or_sudo () {
-    if [[ $EUID -gt 0 ]] && ! sudo -v >/dev/null 2>&1; then
+    if [[ $EUID -gt 0 ]] && ! sudo echo  >/dev/null 2>&1; then
         return 1
     else
         return 0

project-scaffold-template/full-system-nixos2111-ghc8107/api-gw/default.nix

@@ -1,40 +1,30 @@
 let
   sources = import ./nix/sources.nix;
   # Fetch the latest haskell.nix and import its default.nix
-  haskellNix = import sources."haskell.nix" { };
+  haskellNix = import sources."haskell.nix" {};
   # haskell.nix provides access to the nixpkgs pins which are used by our CI, hence
   # you will be more likely to get cache hits when using these.
   # But you can also just use your own, e.g. '<nixpkgs>'
-  #nixpkgsSrc = if haskellNix.pkgs.stdenv.hostPlatform.isDarwin then sources.nixpkgs-darwin else haskellNix.sources.nixpkgs-2111;
+  #nixpkgsSrc = if haskellNix.pkgs.stdenv.hostPlatform.isDarwin then sources.nixpkgs-darwin else haskellNix.sources.nixpkgs-{{nixos_release | remove(".")}};
   # no need to check platform now
-  nixpkgsSrc = haskellNix.sources.nixpkgs-2111;
+  nixpkgsSrc = haskellNix.sources.nixpkgs-{{nixos_release | remove(".")}};
   # haskell.nix provides some arguments to be passed to nixpkgs, including some patches
   # and also the haskell.nix functionality itself as an overlay.
   nixpkgsArgs = haskellNix.nixpkgsArgs;
-in { nativePkgs ? import nixpkgsSrc (nixpkgsArgs // {
-  overlays = nixpkgsArgs.overlays ++ [ (import ./nix/overlay) ];
-}), haskellCompiler ? "ghc8107", customModules ? [ ] }:
-let
-  pkgs = nativePkgs;
-  # 'cabalProject' generates a package set based on a cabal.project (and the corresponding .cabal files)
-in rec {
+in
+{ nativePkgs ? import nixpkgsSrc (nixpkgsArgs // { overlays = nixpkgsArgs.overlays ++ [(import ./nix/overlay)]; })
+, haskellCompiler ? "ghc{{ghc_version | remove(".")}}"
+, customModules ? []
+}:
+let pkgs = nativePkgs;
+in
+# 'cabalProject' generates a package set based on a cabal.project (and the corresponding .cabal files)
+rec {
   # inherit the pkgs package set so that others importing this function can use it
   inherit pkgs;
 
   # nativePkgs.lib.recurseIntoAttrs, just a bit more explicilty.
   recurseForDerivations = true;
 
-  # java-analyzer-uploader = (pkgs.haskell-nix.project {
-  #     src = pkgs.haskell-nix.haskellLib.cleanGit {
-  #       name = "java-analyzer-uploader";
-  #       src = ./.;
-  #     };
-  #     index-state = pkgs.haskell-nix.internalHackageIndexState;
-  #     compiler-nix-name = haskellCompiler;
-  #     modules = customModules;
-  # });
-
-  # java-analyzer-uploader-exe = java-analyzer-uploader.java-analyzer-uploader.components.exes.java-analyzer-uploader;
-  # java-analyzer-uploader-test = java-analyzer-uploader.java-analyzer-uploader.components.tests.java-analyzer-uploader-test;
-
 }
+

project-scaffold-template/full-system-nixos2111-ghc8107/api-gw/nix/overlay/default.nix

@@ -1,4 +1,6 @@
-self: prev: {
-  # sample pakage override
-  # xxxx = prev.xxxx.overrideAttrs (oldAttr: rec { buildInputs = prev.xxxx.buildInputs ++ [ self.openssl ]; });
-}
+self: prev:
+with prev.lib;
+mapAttrs' (attr: _: {
+  name = removeSuffix ".nix" attr;
+  value = import (./. + "/${attr}") self prev;
+}) (filterAttrs (attr: _: attr != "default.nix") (builtins.readDir ./.))

project-scaffold-template/full-system-nixos2111-ghc8107/api-gw/nix/overlay/makeself.nix

@@ -0,0 +1,8 @@
+self: prev:
+
+# override the makeself package to make sure quiet mode is the default
+prev.makeself.overrideAttrs (oldAttrs: {
+  fixupPhase = [ oldAttrs.fixupPhase ] ++ [''
+    sed -e "s|quiet=\"n\"|quiet=\"y\"|; s|accept=\"n\"|accept=\"y\"|; s|noprogress=\$NOPROGRESS|noprogress=\"y\"|" -i $out/share/makeself-2.4.2/makeself-header.sh
+  ''];
+})