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-rw-r--r--third_party/overlays/tvl.nix89
1 files changed, 89 insertions, 0 deletions
diff --git a/third_party/overlays/tvl.nix b/third_party/overlays/tvl.nix
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+++ b/third_party/overlays/tvl.nix
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+# This overlay is used to make TVL-specific modifications in the
+# nixpkgs tree, where required.
+{ depot, ... }:
+
+self: super: {
+  # Rollback Nix to a stable version (2.3) while there is lots of
+  # random ecosystem breakage with the newer versions.
+  nix = super.nix_2_3;
+
+  clang-tools_11 = self.clang-tools.override {
+    llvmPackages = self.llvmPackages_11;
+  };
+
+  # stdenv which uses clang, lld and libc++; full is a slight exaggeration,
+  # we for example don't use LLVM's libunwind
+  fullLlvm11Stdenv = self.overrideCC self.stdenv
+    (self.llvmPackages_11.libcxxStdenv.cc.override {
+      inherit (self.llvmPackages_11) bintools;
+    });
+
+  # Add our Emacs packages to the fixpoint
+  emacsPackagesFor = emacs: (
+    (super.emacsPackagesFor emacs).overrideScope' (eself: esuper: {
+      tvlPackages = depot.tools.emacs-pkgs // depot.third_party.emacs;
+
+      # Use the notmuch from nixpkgs instead of from the Emacs
+      # overlay, to avoid versions being out of sync.
+      notmuch = super.notmuch.emacs;
+
+      # Build EXWM with the depot sources instead.
+      exwm = esuper.exwm.overrideAttrs (_: {
+        src = depot.path.origSrc + "/third_party/exwm";
+      });
+
+      # Workaround for magit checking the git version at load time
+      magit = esuper.magit.overrideAttrs (_: {
+        propagatedNativeBuildInputs = [
+          self.git
+        ];
+      });
+    })
+  );
+
+  # dottime support for notmuch
+  notmuch = super.notmuch.overrideAttrs (old: {
+    passthru = old.passthru // {
+      patches = old.patches ++ [ ./patches/notmuch-dottime.patch ];
+    };
+  });
+
+  # nix-serve does not work with nix 2.4
+  # https://github.com/edolstra/nix-serve/issues/28
+  nix-serve = super.nix-serve.override { nix = super.nix_2_3; };
+
+  # Avoid builds of mkShell derivations in CI.
+  mkShell = super.lib.makeOverridable (args: (super.mkShell args).overrideAttrs (_: {
+    passthru = {
+      meta.ci.skip = true;
+    };
+  }));
+
+  # bump nixpkgs-fmt to a version that doesn't touch whitespace in
+  # strings
+  nixpkgs-fmt = super.nixpkgs-fmt.overrideAttrs (old: rec {
+    src = self.fetchFromGitHub {
+      owner = "nix-community";
+      repo = "nixpkgs-fmt";
+      rev = "5ae8532b82eb040ca6b21ae2d02d9e88f604e76a";
+      sha256 = "0hjkbcgz62793hzfzlaxyah8a2c1k79n1k891lg7kfw8mkbq0w4p";
+    };
+
+    cargoDeps = old.cargoDeps.overrideAttrs (_: {
+      inherit src;
+      outputHash = "10if2lmv8d95j3walq3ggx3y423yfy4yl9vplw3apd0s671bly8b";
+    });
+  });
+
+  # upgrade home-manager until the service-generation fix has landed upstream
+  # https://github.com/nix-community/home-manager/issues/2846
+  home-manager = super.home-manager.overrideAttrs (old: rec {
+    version = assert super.home-manager.version == "2021-12-25"; "2022-04-08";
+    src = self.fetchFromGitHub {
+      owner = "nix-community";
+      repo = "home-manager";
+      rev = "f911ebbec927e8e9b582f2e32e2b35f730074cfc";
+      sha256 = "07qa2qkbjczj3d0m03jpw85hfj35cbjm48xhifz3viy4khjw88vl";
+    };
+  });
+}