74 lines
2.3 KiB
Nix
74 lines
2.3 KiB
Nix
{ config, lib, ... }:
|
|
let
|
|
# Replicate the useful part of rcm/rcup:
|
|
# - dotfiles live in ~/dotfiles/dotfiles (no leading dots in the repo)
|
|
# - links in $HOME add a leading '.' to the first path component
|
|
# - link files individually so unmanaged state can coexist (e.g. ~/.cabal/store)
|
|
#
|
|
# Use out-of-store symlinks so editing the repo updates config immediately
|
|
# without a rebuild/switch (only link *placement* is managed by HM).
|
|
oos = config.lib.file.mkOutOfStoreSymlink;
|
|
|
|
# Where the checked-out repo lives at runtime (activation time).
|
|
worktreeDotfiles = "${config.home.homeDirectory}/dotfiles/dotfiles";
|
|
|
|
# Use the flake source for enumeration (pure), but point links at the worktree.
|
|
srcDotfiles = ../dotfiles;
|
|
|
|
excludedTop = [
|
|
# Managed by Nix directly (PATH/fpath), not meant to appear as ~/.lib.
|
|
"lib"
|
|
# Avoid colliding with HM-generated xdg.configFile entries for now.
|
|
"config"
|
|
# Handled as a single directory symlink below.
|
|
"emacs.d"
|
|
];
|
|
|
|
firstComponent = rel:
|
|
let parts = lib.splitString "/" rel;
|
|
in lib.elemAt parts 0;
|
|
|
|
isExcluded = rel: lib.elem (firstComponent rel) excludedTop;
|
|
|
|
listFilesRec = dir:
|
|
let
|
|
entries = builtins.readDir dir;
|
|
names = builtins.attrNames entries;
|
|
go = name:
|
|
let
|
|
ty = entries.${name};
|
|
path = dir + "/${name}";
|
|
in
|
|
if ty == "directory" then
|
|
map (p: "${name}/${p}") (listFilesRec path)
|
|
else
|
|
[ name ];
|
|
in
|
|
lib.concatLists (map go names);
|
|
|
|
managedRelFiles =
|
|
lib.filter (rel: !(isExcluded rel)) (listFilesRec srcDotfiles);
|
|
|
|
mkManaged = rel:
|
|
lib.nameValuePair ".${rel}" {
|
|
source = oos "${worktreeDotfiles}/${rel}";
|
|
};
|
|
in
|
|
{
|
|
home.file =
|
|
builtins.listToAttrs (map mkManaged managedRelFiles);
|
|
|
|
# Home Manager directory links for .emacs.d resolve through the store on this
|
|
# machine, which breaks Elpaca's writable state under ~/.emacs.d/elpaca.
|
|
# Manage placement here instead so ~/.emacs.d always points at the live
|
|
# worktree checkout.
|
|
home.activation.linkEmacsDotdir = lib.hm.dag.entryAfter ["writeBoundary"] ''
|
|
if [ -L "$HOME/.emacs.d" ] || [ ! -e "$HOME/.emacs.d" ]; then
|
|
rm -f "$HOME/.emacs.d"
|
|
ln -s "${worktreeDotfiles}/emacs.d" "$HOME/.emacs.d"
|
|
else
|
|
echo "Skipping ~/.emacs.d relink because it is not a symlink" >&2
|
|
fi
|
|
'';
|
|
}
|