mirror of
https://github.com/dimitri/el-get.git
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119 lines
4.7 KiB
EmacsLisp
119 lines
4.7 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-save-package-status (package status)
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"Save given package status"
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(let* ((recipe (el-get-package-def package))
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(package-status-alist
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(assq-delete-all package (el-get-read-status-file)))
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(new-package-status-alist
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(sort (append package-status-alist
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(list ; alist of (PACKAGE . PROPERTIES-LIST)
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(cons package (list 'status status 'recipe recipe))))
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(lambda (p1 p2)
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(string< (el-get-as-string (car p1))
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(el-get-as-string (car p2)))))))
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(with-temp-file el-get-status-file
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(pp new-package-status-alist (current-buffer)))
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new-package-status-alist))
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(defun el-get-read-status-file ()
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"read `el-get-status-file' and return an alist of plist like:
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(PACKAGE . (status \"status\" recipe (:name ...)))"
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(let ((ps
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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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(if (consp (car ps)) ; check for an alist, new format
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ps
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;; convert to the new format, fetching recipes as we go
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(loop for (p s) on ps by 'cddr
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for x = (el-get-as-symbol (el-get-package-name p))
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when x
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collect (cons x (list 'status s
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'recipe (el-get-package-def x)))))))
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(defun el-get-package-status-alist (&optional package-status-alist)
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"return an alist of (PACKAGE . STATUS)"
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(loop for (p . prop) in (or package-status-alist
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(el-get-convert-status-format))
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collect (cons p (plist-get prop 'status))))
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(defun el-get-read-package-status (package &optional package-status-alist)
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"return current status for PACKAGE"
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(let ((p-alist (or package-status-alist (el-get-read-status-file))))
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(plist-get (cdr (assq package p-alist)) 'status)))
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(defun el-get-read-package-status-recipe (package &optional package-status-alist)
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"return current status for PACKAGE"
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(let ((p-alist (or package-status-alist (el-get-read-status-file))))
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(plist-get (cdr (assq package p-alist)) 'recipe)))
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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 . prop) in (el-get-read-status-file)
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for s = (plist-get prop 'status)
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when (member s status)
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collect (el-get-as-string p)))
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(defun el-get-filter-package-alist-with-status (package-status-alist &rest status)
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"Return package names that are currently in given status"
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(loop for (p . prop) in package-status-alist
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for s = (plist-get prop 'status)
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when (member s status)
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collect (el-get-as-string 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 . prop) in (el-get-read-status-file)
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count (member (plist-get prop 'status) status)))
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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 . prop) in (el-get-read-status-file)
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count (and (member (el-get-as-symbol p) packages)
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(member (plist-get prop 'status) status))))
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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 . prop) in (el-get-read-status-file)
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for s = (plist-get prop 'status)
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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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