42 lines
1.5 KiB
EmacsLisp
42 lines
1.5 KiB
EmacsLisp
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;;; haskell-sandbox.el --- Support for sandboxes -*- lexical-binding: t -*-
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;; Copyright (c) 2014 Chris Done. All rights reserved.
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;; This file 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; either version 3, or (at your option)
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;; any later version.
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;; This file 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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;; 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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;;; Code:
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(require 'cl-lib)
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(require 'haskell-session)
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(defun haskell-sandbox-path (session)
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"If there is a haskell-session, return the path to the usual sandbox location."
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(concat (haskell-session-cabal-dir session)
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"/.cabal-sandbox"))
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(defun haskell-sandbox-exists-p (session)
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"Is there a cabal sandbox?"
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(file-exists-p (haskell-sandbox-path session)))
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(defun haskell-sandbox-pkgdb (session)
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"Get the package database of the sandbox."
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(let* ((files (directory-files (haskell-sandbox-path session)))
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(dir (car (cl-remove-if-not (lambda (file)
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(string-match ".conf.d$" file))
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files))))
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(when dir
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(concat (haskell-sandbox-path session) "/" dir))))
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(provide 'haskell-sandbox)
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