upgrade nix dependencies

This updates the flake and since we haven't hacked on this for ages
the overlays aren't needed any more since all of them are now
available as builds.

Author: romanofski

.github/haskell-ci-github-containerimage.patch

@@ -0,0 +1,34 @@
+From 7a1346f32cba7028846e88cc6c56c4123ab5faad Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?R=C3=B3man=20Joost?= <roman@bromeco.de>
+Date: Wed, 1 Jan 2025 10:05:46 +1000
+Subject: [PATCH] use newer ubuntu image
+
+Currently a bug in the older versions prevents the caching step to
+work:
+
+  /__e/node20/bin/node: /lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.28' not found (required by /__e/node20/bin/node)
+---
+ .github/workflows/haskell-ci.yml | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/.github/workflows/haskell-ci.yml b/.github/workflows/haskell-ci.yml
+index 4e6aede..0feae24 100644
+--- a/.github/workflows/haskell-ci.yml
++++ b/.github/workflows/haskell-ci.yml
+@@ -19,11 +19,11 @@ on:
+ jobs:
+   linux:
+     name: Haskell-CI - Linux - ${{ matrix.compiler }}
+-    runs-on: ubuntu-20.04
++    runs-on: ubuntu-22.04
+     timeout-minutes:
+       60
+     container:
+-      image: buildpack-deps:bionic
++      image: buildpack-deps:jammy
+     continue-on-error: ${{ matrix.allow-failure }}
+     strategy:
+       matrix:
+-- 
+2.47.0
+

.github/workflows/haskell-ci.yml

@@ -1,6 +1,6 @@
 # This GitHub workflow config has been generated by a script via
 #
-#   haskell-ci '--haddock' '--apt' 'elinks tmux vim less notmuch libnotmuch-dev libtalloc-dev' '--github-patches' '.github/haskell-ci-github.patch' 'github' 'purebred.cabal'
+#   haskell-ci 'github' 'purebred.cabal' '--config' 'cabal.haskell-ci'
 #
 # To regenerate the script (for example after adjusting tested-with) run
 #
@@ -211,7 +211,7 @@ jobs:
           ${CABAL} -vnormal check
       - name: haddock
         run: |
-          $CABAL v2-haddock --disable-documentation --haddock-all $ARG_COMPILER --with-haddock $HADDOCK $ARG_TESTS $ARG_BENCH all
+          if [ $((HCNUMVER >= 90000)) -ne 0 ] ; then $CABAL v2-haddock --disable-documentation --haddock-all $ARG_COMPILER --with-haddock $HADDOCK $ARG_TESTS $ARG_BENCH all ; fi
       - name: unconstrained build
         run: |
           rm -f cabal.project.local

.nix/bimap.nix

@@ -1,21 +1,10 @@
 let
-  haskellCompilerVersion = "ghc924";
+  haskellCompilerVersion = "ghc92";
   haskellPackagesOverlay = self: super: with super.haskell.lib; {
     haskellPackages = super.haskell.packages.${haskellCompilerVersion}.override {
       overrides = hself: hsuper: {
         purebred = hsuper.callPackage ./purebred.nix { };
-        purebred-email = hsuper.callPackage ./purebred-email.nix { };
         purebred-icu = hsuper.callPackage ./purebred-icu.nix { };
-        brick = hsuper.callPackage ./brick.nix { };
-        text-zipper = hsuper.callPackage ./text-zipper.nix { };
-        bimap = hsuper.callPackage ./bimap.nix { };
-        vty = hsuper.callPackage ./vty.nix { };
-        vty-unix = hsuper.callPackage ./vty-unix.nix { };
-        vty-crossplatform = hsuper.callPackage ./vty-crossplatform.nix { };
-        notmuch = hsuper.callPackage ./hsnotmuch.nix {
-          notmuch = self.pkgs.notmuch;
-          talloc = self.pkgs.talloc;
-        };
       };
     };
     make-purebred-with-packages = with-icu: