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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";
});
})
);
# 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) // {
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";
});
});
}
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