27 lines
1.1 KiB
Nix
27 lines
1.1 KiB
Nix
# Fg42 - Emacs Editor for advance users
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#
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# Copyright (c) 2010-2024 Sameer Rahmani <lxsameer@gnu.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, version 2.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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{ pkgs, lib, elispDepsFile }:
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with builtins;
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let
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reader = import ./elisp_reader.nix { inherit lib; };
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elispAst = reader.fromElisp (builtins.readFile elispDepsFile);
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dependsOnForm = filter (x: head x == "depends-on") elispAst;
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elispPkgs = if length dependsOnForm == 0
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then throw "Can't find the form 'depends-on' on 'deps.el'"
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else tail (head dependsOnForm);
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in elispPkgs
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