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{ home-manager, runCommand }:
runCommand "home-manager-install" {
propagatedBuildInputs = [ home-manager ];
preferLocalBuild = true;
allowSubstitutes = false;
shellHookOnly = true;
shellHook = ''
confFile="''${XDG_CONFIG_HOME:-$HOME/.config}/nixpkgs/home.nix"
if [[ ! -e $confFile ]]; then
echo
echo "Creating initial Home Manager configuration..."
nl=$'\n'
xdgVars=""
if [[ -v XDG_CACHE_HOME && $XDG_CACHE_HOME != "$HOME/.cache" ]]; then
xdgVars="$xdgVars xdg.cacheHome = \"$XDG_CACHE_HOME\";$nl"
fi
if [[ -v XDG_CONFIG_HOME && $XDG_CONFIG_HOME != "$HOME/.config" ]]; then
xdgVars="$xdgVars xdg.configHome = \"$XDG_CONFIG_HOME\";$nl"
fi
if [[ -v XDG_DATA_HOME && $XDG_DATA_HOME != "$HOME/.local/share" ]]; then
xdgVars="$xdgVars xdg.dataHome = \"$XDG_DATA_HOME\";$nl"
fi
mkdir -p "$(dirname "$confFile")"
cat > $confFile <<EOF
{ config, pkgs, ... }:
{
# Let Home Manager install and manage itself.
programs.home-manager.enable = true;
# Home Manager needs a bit of information about you and the
# paths it should manage.
home.username = "$USER";
home.homeDirectory = "$HOME";
$xdgVars
# This value determines the Home Manager release that your
# configuration is compatible with. This helps avoid breakage
# when a new Home Manager release introduces backwards
# incompatible changes.
#
# You can update Home Manager without changing this value. See
# the Home Manager release notes for a list of state version
# changes in each release.
home.stateVersion = "20.09";
}
EOF
fi
echo
echo "Creating initial Home Manager generation..."
echo
if home-manager switch; then
cat <<EOF
All done! The home-manager tool should now be installed and you
can edit
$confFile
to configure Home Manager. Run 'man home-configuration.nix' to
see all available options.
EOF
exit 0
else
cat <<EOF
Uh oh, the installation failed! Please create an issue at
https://github.com/rycee/home-manager/issues
if the error seems to be the fault of Home Manager.
EOF
exit 1
fi
'';
} ''
echo This derivation is not buildable, instead run it using nix-shell.
exit 1
''
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