94 lines
3.3 KiB
EmacsLisp
94 lines
3.3 KiB
EmacsLisp
;;; pcmpl-lein.el --- pcomplete for Leiningen tasks; works with eshell
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;; Copyright (C) 2011 Phil Hagelberg
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;;
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;; Author: Phil Hagelberg
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;; URL: http://github.com/technomancy/leiningen
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;; Version: 0.1
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;; Keywords: eshell completion
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;; Created: 2011-01-15
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;; This file is not part of GNU Emacs.
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;;; Commentary:
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;; Provides completion of leiningen tasks using pcomplete, suitable
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;; for eshell. Does not support custom :source-path or :test-path.
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;;; License:
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;; This program is free software; you can redistribute it and/or
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;; modify it under the terms of the GNU General Public License
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;; as published by the Free Software Foundation; either version 3
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;; of the License, or (at your option) any later version.
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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 GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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;; Boston, MA 02110-1301, USA.
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;;; Code:
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(require 'cl)
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(require 'pcomplete)
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(require 'esh-util)
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(defvar pcmpl-lein-tasks-alist nil
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"Cached alist of project roots to task lists.")
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(defvar pcmpl-lein-project-root nil)
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(defun pcmpl-lein-tasks ()
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(or (cdr (assoc pcmpl-lein-project-root pcmpl-lein-tasks-alist))
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(let* ((help (progn (message "Getting Leiningen task list...")
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(shell-command-to-string "lein help")))
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(tasks (split-string help "\n"))
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(tasks (subseq tasks 4 -3))
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(tasks (mapcar (lambda (line)
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(substring line 0 (string-match " " line)))
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tasks)))
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;; OHAI MEMOIZE.
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(add-to-list 'pcmpl-lein-tasks-alist
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(cons pcmpl-lein-project-root tasks))
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tasks)))
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(defun pcmpl-lein-namespaces-dir ()
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(let ((task (cadr pcomplete-args)))
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(cond ((equal "test" task) "test")
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((or (equal "run" task) (equal "compile" task)) "src"))))
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(defun pcmpl-lein-transform-filename (file)
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(subst-char-in-string ?/ ?.
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(substring file (+ (length pcmpl-lein-project-root)
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(length namespaces-dir) 1) -4)))
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(defun pcmpl-lein-namespaces-in-dir (file)
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(if (not (file-directory-p file))
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(if (string-match "\\.clj$" file)
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(pcmpl-lein-transform-filename file))
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(eshell-flatten-list (mapcar 'pcmpl-lein-namespaces-in-dir
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(directory-files file t "^[^\\.]")))))
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(defun pcmpl-lein-namespaces ()
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(let ((namespaces-dir (pcmpl-lein-namespaces-dir)))
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(when namespaces-dir
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(pcmpl-lein-namespaces-in-dir namespaces-dir))))
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;;;###autoload
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(defun pcomplete/lein ()
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(let ((pcmpl-lein-project-root (expand-file-name
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(locate-dominating-file
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default-directory "project.clj"))))
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(pcomplete-here (pcmpl-lein-tasks))
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(if (not (string= "run" (cadr pcomplete-args)))
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(pcomplete-here (pcmpl-lein-namespaces))
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(pcomplete-here (list "-m"))
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(pcomplete-here (pcmpl-lein-namespaces)))))
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(provide 'pcmpl-lein)
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;;; pcmpl-lein.el ends here
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