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2033c64143
This prevents .status.el from being written in an abbreviated form. Signed-off-by: Sébastien Gross <seb•ɑƬ•chezwam•ɖɵʈ•org>
104 lines
3.7 KiB
EmacsLisp
104 lines
3.7 KiB
EmacsLisp
;;; el-get --- Manage the external elisp bits and pieces you depend upon
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;;
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;; Copyright (C) 2010-2011 Dimitri Fontaine
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;;
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;; Author: Dimitri Fontaine <dim@tapoueh.org>
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;; URL: http://www.emacswiki.org/emacs/el-get
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;; GIT: https://github.com/dimitri/el-get
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;; Licence: WTFPL, grab your copy here: http://sam.zoy.org/wtfpl/
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;;
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;; This file is NOT part of GNU Emacs.
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;;
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;; Install
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;; Please see the README.asciidoc file from the same distribution
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;;
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;; package status --- a plist saved on a file, using symbols
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;;
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;; it should be possible to use strings instead, but in my tests it failed
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;; miserably.
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;;
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(require 'el-get-core)
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(defun el-get-package-symbol (package-name)
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"Returns a symbol :package."
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(if (and (symbolp package-name)
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(string= (substring (symbol-name package-name) 0 1) ":"))
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package-name
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(intern (format ":%s" package-name))))
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(defun el-get-package-name (package-symbol)
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"Returns a string package"
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(if (symbolp package-symbol)
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(cadr (split-string (format "%s" package-symbol) ":"))
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package-symbol))
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(defun el-get-read-all-packages-status ()
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"Return the current plist of packages status"
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(when (file-exists-p el-get-status-file)
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(car (with-temp-buffer
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(insert-file-contents-literally el-get-status-file)
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(read-from-string (buffer-string))))))
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(defun el-get-read-package-status (package)
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"Return the current known status for given package."
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(plist-get (el-get-read-all-packages-status)
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(el-get-package-symbol package)))
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(defun el-get-save-package-status (package status)
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"Save given package status"
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(let ((p (el-get-package-symbol package))
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(s (el-get-read-all-packages-status))
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print-length print-level)
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(with-temp-file el-get-status-file
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(insert
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(format "%S" (if s (plist-put s p status)
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`(,p ,status)))))))
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(defun el-get-list-package-names-with-status (&rest status)
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"Return package names that are currently in given status"
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(loop for (p s) on (el-get-read-all-packages-status) by 'cddr
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;; it can happen that (el-get-package-name) returns nil here and
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;; that breaks the completion-read command
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when (and (member s status) (el-get-package-name p))
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collect (el-get-package-name p)))
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(defun el-get-read-package-with-status (action &rest status)
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"Read a package name in given status"
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(completing-read (format "%s package: " action)
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(apply 'el-get-list-package-names-with-status status)))
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(defun el-get-count-package-with-status (&rest status)
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"Return how many packages are currently in given status"
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(loop for (p s) on (el-get-read-all-packages-status) by 'cddr
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if (member s status) sum 1))
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(defun el-get-count-packages-with-status (packages &rest status)
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"Return how many packages are currently in given status in PACKAGES"
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(loop for (p s) on (el-get-read-all-packages-status) by 'cddr
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when (and (member (el-get-as-symbol p) packages)
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(member s status))
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sum 1))
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(defun el-get-package-status (package &optional package-status-plist)
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"Return current status of package from given list"
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(let ((status-plist (or package-status-plist (el-get-read-all-packages-status))))
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(plist-get status-plist (el-get-package-symbol package))))
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(defun el-get-extra-packages (&rest packages)
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"Return installed or required packages that are not in given package list"
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(let ((packages
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;; &rest could contain both symbols and lists
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(loop for p in packages
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when (listp p) append (mapcar 'el-get-as-symbol p)
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else collect (el-get-as-symbol p))))
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(when packages
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(loop for (p s) on (el-get-read-all-packages-status) by 'cddr
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for x = (el-get-as-symbol (el-get-package-name p))
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unless (member x packages)
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unless (equal s "removed")
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collect (list x s)))))
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(provide 'el-get-status)
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