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{ config, lib, pkgs, ... }:
let
cfg = config.home.dotfiles;
dotfilesDir = "${config.home.homeDirectory}/dotfiles";
# Packages in the external dotfiles repo that are only relevant on one
# platform. Kept minimal and overridable via excludePackages rather than
# a full per-platform mapping - see design.md for alternatives considered.
platformDefaultExcludes =
lib.optionals (!pkgs.stdenv.hostPlatform.isDarwin) [ "iterm2" ]
++ lib.optionals (!pkgs.stdenv.hostPlatform.isLinux) [ "herbstluftwm" "xorg" ];
excludePackages = platformDefaultExcludes ++ cfg.excludePackages;
in
{
options.home.dotfiles.repoUrl = lib.mkOption {
type = lib.types.str;
default = "";
description = "Git URL of the personal dotfiles repo to clone and stow into $HOME. Leave empty to disable.";
};
options.home.dotfiles.excludePackages = lib.mkOption {
type = lib.types.listOf lib.types.str;
default = [ ];
description = "Names of dotfiles stow packages to always skip, in addition to built-in platform defaults.";
};
config = lib.mkIf (cfg.repoUrl != "") {
home.packages = [ pkgs.git pkgs.stow ];
home.activation.dotfiles = lib.hm.dag.entryAfter [ "writeBoundary" ] ''
DOTFILES_DIR=${lib.escapeShellArg dotfilesDir}
EXCLUDE_PACKAGES=(${lib.escapeShellArgs excludePackages})
if [ ! -d "$DOTFILES_DIR/.git" ]; then
$DRY_RUN_CMD ${pkgs.git}/bin/git clone --recurse-submodules \
${lib.escapeShellArg cfg.repoUrl} "$DOTFILES_DIR"
fi
if [ -d "$DOTFILES_DIR" ]; then
for pkg in "$DOTFILES_DIR"/*/; do
pkg_name="$(basename "$pkg")"
case "$pkg_name" in .*) continue ;; esac
skip=false
for excluded in "''${EXCLUDE_PACKAGES[@]}"; do
if [ "$pkg_name" = "$excluded" ]; then
skip=true
break
fi
done
if [ "$skip" = true ]; then
echo "Skipping dotfiles package '$pkg_name' — not relevant on this platform." >&2
continue
fi
$DRY_RUN_CMD ${pkgs.stow}/bin/stow -d "$DOTFILES_DIR" -t ${lib.escapeShellArg config.home.homeDirectory} "$pkg_name" \
|| echo "Warning: stow failed for package '$pkg_name' — skipped." >&2
done
fi
'';
};
}
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