297 lines
13 KiB
EmacsLisp
297 lines
13 KiB
EmacsLisp
;;; core-spacemacs.el --- Spacemacs Core File
|
|
;;
|
|
;; Copyright (c) 2012-2014 Sylvain Benner
|
|
;; Copyright (c) 2014-2015 Sylvain Benner & Contributors
|
|
;;
|
|
;; Author: Sylvain Benner <sylvain.benner@gmail.com>
|
|
;; URL: https://github.com/syl20bnr/spacemacs
|
|
;;
|
|
;; This file is not part of GNU Emacs.
|
|
;;
|
|
;;; License: GPLv3
|
|
(defconst spacemacs-repository "spacemacs"
|
|
"Name of the Spacemacs remote repository.")
|
|
(defconst spacemacs-repository-owner "syl20bnr"
|
|
"Name of the Spacemacs remote repository owner.")
|
|
(defconst spacemacs-checkversion-remote "checkversion"
|
|
"Name of the remote repository used to check for new version.")
|
|
(defconst spacemacs-checkversion-branch "master"
|
|
"Name of the branch used to check for new version.")
|
|
|
|
;; new version variables
|
|
(defvar spacemacs-new-version nil
|
|
"If non-nil a new Spacemacs version is available.")
|
|
(defvar spacemacs-version-check-timer nil
|
|
"The current timer for new version check.")
|
|
(defvar spacemacs-version-check-interval "6 hours"
|
|
"Time between two version checks.")
|
|
(defvar spacemacs-version-check-lighter "[+]"
|
|
"Text displayed in the mode-line when a new version is available.")
|
|
|
|
(defun spacemacs/switch-to-version (&optional version)
|
|
"Switch spacemacs to VERSION.
|
|
|
|
VERSION is a string with the format `x.x.x'.
|
|
IMPORTANT: The switch is performed by hard resetting the current branch.
|
|
If VERSION is nil then a prompt will ask for a version number.
|
|
If the current version is not `master' and not `develop' then
|
|
a prompt will ask for confirmation before actually switching to the
|
|
specified version.
|
|
It is not possible to switch version when you are on `develop' branch,
|
|
users on `develop' branch must manually pull last commits instead."
|
|
(interactive)
|
|
(let ((branch (spacemacs/git-get-current-branch))
|
|
(dirty (spacemacs/git-working-directory-dirty)))
|
|
(unless version
|
|
(message "Getting version information...")
|
|
(let ((last-version (spacemacs/get-last-version)))
|
|
(setq version (read-string
|
|
(format "Version (default %s [latest]): " last-version)
|
|
nil nil last-version))))
|
|
(cond ((string-equal "develop" branch)
|
|
(message (concat "Cannot switch version because you are on develop.\n"
|
|
"You have to manually `pull --rebase' the latest commits.")))
|
|
(dirty
|
|
(message "Your Emacs directory is not clean.\ngit status:\n%s" dirty))
|
|
((string-equal version spacemacs-version)
|
|
(message "You are already on the latest version."))
|
|
((or (string-equal "master" branch)
|
|
(yes-or-no-p
|
|
(format (concat "You are not on master. This command will switch branches.\n"
|
|
"Are you sure that you want to switch to version %s ? ")
|
|
version)))
|
|
(let ((tag (concat "v" version)))
|
|
(if (spacemacs/git-hard-reset-to-tag tag)
|
|
(progn
|
|
(setq spacemacs-version version)
|
|
(message "Succesfully switched to version %s" version))
|
|
(message "An error occurred while switching to version %s"
|
|
version))))
|
|
(t
|
|
(message "Update aborted.")))))
|
|
|
|
(defun spacemacs/check-for-new-version (&optional interval)
|
|
"Periodicly check for new for new Spacemacs version.
|
|
Update `spacemacs-new-version' variable if any new version has been
|
|
found."
|
|
(if (string-equal "develop" (spacemacs/git-get-current-branch))
|
|
(message "Skipping check for new version because you are on develop.")
|
|
(message "Start checking for new version...")
|
|
(async-start
|
|
`(lambda ()
|
|
,(async-inject-variables "\\`user-emacs-directory\\'")
|
|
(load-file (concat user-emacs-directory "core/core-load-paths.el"))
|
|
(require 'core-spacemacs)
|
|
(spacemacs/get-last-version))
|
|
(lambda (result)
|
|
(if result
|
|
(if (or (version< result spacemacs-version)
|
|
(string= result spacemacs-version)
|
|
(if spacemacs-new-version
|
|
(string= result spacemacs-new-version)))
|
|
(message "Spacemacs is up to date.")
|
|
(message "New version of Spacemacs available: %s" result)
|
|
(setq spacemacs-new-version result))
|
|
(message "Unable to check for new version."))))
|
|
(when interval
|
|
(setq spacemacs-version-check-timer
|
|
(run-at-time t (timer-duration interval)
|
|
'spacemacs/check-for-new-version)))))
|
|
|
|
(defun spacemacs/get-last-version ()
|
|
"Return the last tagged version."
|
|
(spacemacs//get-last-version spacemacs-repository
|
|
spacemacs-repository-owner
|
|
spacemacs-checkversion-remote
|
|
spacemacs-checkversion-branch))
|
|
|
|
(defun spacemacs//get-last-version (repo owner remote branch)
|
|
"Return the last tagged version of BRANCH on REMOTE repository from
|
|
OWNER REPO."
|
|
(let ((url (format "https://github.com/%s/%s" owner repo)))
|
|
(spacemacs/git-remove-remote remote)
|
|
(spacemacs/git-add-remote remote url)
|
|
(spacemacs/git-fetch-remote remote)
|
|
(spacemacs/git-fetch-tags remote branch))
|
|
(let ((version (spacemacs/git-latest-tag remote branch)))
|
|
(when version
|
|
(save-match-data
|
|
(string-match "^.*\\([0-9]+\\.[0-9]+\\.[0-9]+\\)$" version)
|
|
(match-string 1 version)))))
|
|
|
|
(defun spacemacs/get-new-version-lighter-face (current new)
|
|
"Return the new version lighter face given the difference between the CURRENT
|
|
version and the NEW version."
|
|
(let* ((lcur (version-to-list current))
|
|
(lnew (version-to-list new))
|
|
(scur (spacemacs//compute-version-score lcur))
|
|
(snew (spacemacs//compute-version-score lnew))
|
|
(diff (- snew scur)))
|
|
(cond
|
|
((< diff 3000) 'spacemacs-mode-line-new-version-lighter-success-face)
|
|
((< diff 5000) 'spacemacs-mode-line-new-version-lighter-warning-face)
|
|
(t 'spacemacs-mode-line-new-version-lighter-error-face))))
|
|
|
|
(defun spacemacs/git-has-remote (remote)
|
|
"Return non nil if REMOTE is declared."
|
|
(let((proc-buffer "git-has-remote")
|
|
(default-directory (file-truename user-emacs-directory)))
|
|
(when (eq 0 (process-file "git" nil proc-buffer nil "remote"))
|
|
(with-current-buffer proc-buffer
|
|
(prog2
|
|
(goto-char (point-min))
|
|
(re-search-forward (format "^%s$" remote) nil 'noerror)
|
|
(kill-buffer proc-buffer))))))
|
|
|
|
(defun spacemacs/git-add-remote (remote url)
|
|
"Add a REMOTE with URL, return t if no error."
|
|
(let((proc-buffer "git-add-remote")
|
|
(default-directory (file-truename user-emacs-directory)))
|
|
(prog1
|
|
(eq 0 (process-file "git" nil proc-buffer nil
|
|
"remote" "add" remote url))
|
|
(kill-buffer proc-buffer))))
|
|
|
|
(defun spacemacs/git-remove-remote (remote)
|
|
"Remove a REMOTE, return t if no error."
|
|
(let((proc-buffer "git-remove-remote")
|
|
(default-directory (file-truename user-emacs-directory)))
|
|
(prog1
|
|
(eq 0 (process-file "git" nil proc-buffer nil
|
|
"remote" "remove" remote))
|
|
(kill-buffer proc-buffer))))
|
|
|
|
(defun spacemacs/git-fetch-remote (remote)
|
|
"Fetch last commits from REMOTE, return t if no error."
|
|
(let((proc-buffer "git-remove-remote")
|
|
(default-directory (file-truename user-emacs-directory)))
|
|
(prog1
|
|
(eq 0 (process-file "git" nil proc-buffer nil
|
|
"fetch" remote))
|
|
(kill-buffer proc-buffer))))
|
|
|
|
(defun spacemacs/git-fetch-tags (remote branch)
|
|
"Fetch the tags for BRANCH in REMOTE repository."
|
|
(let((proc-buffer "git-fetch-tags")
|
|
(default-directory (file-truename user-emacs-directory)))
|
|
(prog2
|
|
;; seems necessary to fetch first
|
|
(eq 0 (process-file "git" nil proc-buffer nil
|
|
"fetch" remote branch))
|
|
;; explicitly fetch the new tags
|
|
(eq 0 (process-file "git" nil proc-buffer nil
|
|
"fetch" "--tags" remote branch))
|
|
(kill-buffer proc-buffer))))
|
|
|
|
(defun spacemacs/git-hard-reset-to-tag (tag)
|
|
"Hard reset the current branch to specifed TAG."
|
|
(let((proc-buffer "git-hard-reset")
|
|
(default-directory (file-truename user-emacs-directory)))
|
|
(prog1
|
|
(eq 0 (process-file "git" nil proc-buffer nil
|
|
"reset" "--hard" tag))
|
|
(kill-buffer proc-buffer))))
|
|
|
|
(defun spacemacs/git-latest-tag (remote branch)
|
|
"Returns the latest tag on REMOTE/BRANCH."
|
|
(let((proc-buffer "git-latest-tag")
|
|
(default-directory (file-truename user-emacs-directory))
|
|
(where (format "%s/%s" remote branch)))
|
|
(when (eq 0 (process-file "git" nil proc-buffer nil
|
|
"describe" "--tags" "--abbrev=0"
|
|
"--match=v*" where "FETCH_HEAD"))
|
|
(with-current-buffer proc-buffer
|
|
(prog1
|
|
(when (buffer-string)
|
|
(end-of-buffer)
|
|
(forward-line -1)
|
|
(replace-regexp-in-string
|
|
"\n$" ""
|
|
(buffer-substring (line-beginning-position)
|
|
(line-end-position))))
|
|
(kill-buffer proc-buffer))))))
|
|
|
|
(defun spacemacs/git-checkout (branch)
|
|
"Checkout the given BRANCH. Return t if there is no error."
|
|
(let((proc-buffer "git-checkout")
|
|
(default-directory (file-truename user-emacs-directory)))
|
|
(prog1
|
|
(eq 0 (process-file "git" nil proc-buffer nil
|
|
"checkout" branch))
|
|
(kill-buffer proc-buffer))))
|
|
|
|
(defun spacemacs/git-get-current-branch ()
|
|
"Return the current branch. Return nil if an error occurred."
|
|
(let((proc-buffer "git-get-current-branch")
|
|
(default-directory (file-truename user-emacs-directory)))
|
|
(when (eq 0 (process-file "git" nil proc-buffer nil
|
|
"symbolic-ref" "--short" "-q" "HEAD"))
|
|
(with-current-buffer proc-buffer
|
|
(prog1
|
|
(when (buffer-string)
|
|
(goto-char (point-min))
|
|
(replace-regexp-in-string
|
|
"\n$" ""
|
|
(buffer-substring (line-beginning-position)
|
|
(line-end-position))))
|
|
(kill-buffer proc-buffer))))))
|
|
|
|
(defun spacemacs/git-get-current-branch-rev ()
|
|
"Returns the hash of the head commit on the current branch.
|
|
Returns nil if an error occurred."
|
|
(let((proc-buffer "git-get-current-branch-head-hash")
|
|
(default-directory (file-truename user-emacs-directory)))
|
|
(when (eq 0 (process-file "git" nil proc-buffer nil
|
|
"rev-parse" "--short" "HEAD"))
|
|
(with-current-buffer proc-buffer
|
|
(prog1
|
|
(when (buffer-string)
|
|
(goto-char (point-min))
|
|
(replace-regexp-in-string
|
|
"\n$" ""
|
|
(buffer-substring (line-beginning-position)
|
|
(line-end-position))))
|
|
(kill-buffer proc-buffer))))))
|
|
|
|
(defun spacemacs/git-working-directory-dirty ()
|
|
"Non-nil if the user's emacs directory is not clean.
|
|
Returns the output of git status --porcelain."
|
|
(let((proc-buffer "git-working-directory-dirty")
|
|
(default-directory (file-truename user-emacs-directory)))
|
|
(when (eq 0 (process-file "git" nil proc-buffer nil
|
|
"status" "--porcelain"))
|
|
(with-current-buffer proc-buffer
|
|
(prog1
|
|
(when (and (buffer-string)
|
|
;;simplecheckforanytext
|
|
(string-match-p "[^ \t\n]" (buffer-string)))
|
|
(replace-regexp-in-string "\n\\'" "" (buffer-string)))
|
|
(kill-buffer proc-buffer))))))
|
|
|
|
(defun spacemacs//deffaces-new-version-lighter (state)
|
|
"Define a new version lighter face for the given STATE."
|
|
(let* ((fname (intern (format "spacemacs-mode-line-new-version-lighter-%s-face"
|
|
(symbol-name state))))
|
|
(foreground (face-foreground state)))
|
|
(eval `(defface ,fname '((t ()))
|
|
,(format "Color for new version lighter in mode line (%s)."
|
|
(symbol-name state))
|
|
:group 'spacemacs))
|
|
(set-face-attribute fname nil
|
|
:foreground foreground
|
|
:box (face-attribute 'mode-line :box))))
|
|
|
|
(defun spacemacs/set-new-version-lighter-mode-line-faces ()
|
|
"Define or set the new version lighter mode-line faces."
|
|
(mapcar 'spacemacs//deffaces-new-version-lighter
|
|
'(error warning success)))
|
|
(spacemacs/set-new-version-lighter-mode-line-faces)
|
|
|
|
(defun spacemacs//compute-version-score (version)
|
|
"Returns an integer from the version list.
|
|
Example: (1 42 3) = 1 042 003"
|
|
(let ((i -1))
|
|
(reduce '+ (mapcar (lambda (n) (setq i (1+ i)) (* n (expt 10 (* i 3))))
|
|
(reverse version)))))
|
|
|
|
(provide 'core-release-management)
|