refactor: Move user config into modules/

2025-03-13 11:14:32 -06:00
parent 257f011a99
commit fb3299d89c
85 changed files with 597 additions and 542 deletions
--- a/modules/home/users/crumb/haskell.nix
+++ b/modules/home/users/crumb/haskell.nix
@@ -0,0 +1,57 @@
+{ config, lib, pkgs, ... }:
+
+let
+  cfg = config.sydnix.users.crumb.haskell;
+in {
+  options.sydnix.users.crumb.haskell.enable =
+    lib.mkEnableOption "Haskell, à la crumb";
+
+  config = lib.mkIf cfg.enable {
+    # Convenient shorthand for quickly opening Haskell REPLs.
+    programs.bash.profileExtra = ''
+      # Start a GHCi REPL with the given packages made available.
+      ghci-with-packages () {
+        nix-shell -p "haskellPackages.ghcWithPackages (p: with p; [ $@ ])" \
+          --run ghci
+      }
+
+      # Run GHC with the given packages made available.
+      ghc-with-packages () {
+        getopt -o "p" -- "$@"
+        while true; do
+          case "$1" in
+            -p)
+              packages="$1"
+              shift 2
+              ;;
+            --)
+              shift
+              break
+              ;;
+          esac
+        done
+
+        if [ $? -ne 0 ]; then
+         echo "Invalid options provided"
+         exit 1
+        fi
+
+        eval set -- "$options"
+
+        nix-shell -p "haskellPackages.ghcWithPackages (p: with p; [ $packages ])" \
+          --run "ghc $@"
+      }
+    '';
+
+    sydnix.impermanence.cache.directories =
+      let xdg-cache-dir =
+            config.home.cacheHome
+              or "${config.home.homeDirectory}/.cache";
+      in [
+        # We don't want to rebuild Hackage simply due to a reboot, do we?  }:)
+        (lib.removePrefix "${config.home.homeDirectory}/"
+          "${xdg-cache-dir}/cabal")
+      ];
+  };
+}
+