;;
;; To start: `M-x stgit'
+(require 'git nil t)
+
(defun stgit (dir)
"Manage stgit patches"
(interactive "DDirectory: \n")
- (switch-to-stgit-buffer dir)
- (stgit-refresh))
+ (switch-to-stgit-buffer (git-get-top-dir dir))
+ (stgit-reload))
+
+(defun git-get-top-dir (dir)
+ "Retrieve the top-level directory of a git tree."
+ (let ((cdup (with-output-to-string
+ (with-current-buffer standard-output
+ (cd dir)
+ (unless (eq 0 (call-process "git" nil t nil
+ "rev-parse" "--show-cdup"))
+ (error "cannot find top-level git tree for %s." dir))))))
+ (expand-file-name (concat (file-name-as-directory dir)
+ (car (split-string cdup "\n"))))))
(defun switch-to-stgit-buffer (dir)
"Switch to a (possibly new) buffer displaying StGit patches for DIR"
(display-buffer output-buf t)))))
(put 'stgit-capture-output 'lisp-indent-function 1)
-(defun stgit-run (&rest args)
+(defun stgit-run-silent (&rest args)
(apply 'call-process "stg" nil standard-output nil args))
-(defun stgit-refresh ()
+(defun stgit-run (&rest args)
+ (let ((msgcmd (mapconcat #'identity args " ")))
+ (message "Running stg %s..." msgcmd)
+ (apply 'call-process "stg" nil standard-output nil args)
+ (message "Running stg %s...done" msgcmd)))
+
+(defun stgit-reload ()
"Update the contents of the stgit buffer"
(interactive)
(let ((inhibit-read-only t)
(curpatch (stgit-patch-at-point)))
(erase-buffer)
(insert "Branch: ")
- (stgit-run "branch")
- (stgit-run "series" "--description")
+ (stgit-run-silent "branch")
+ (stgit-run-silent "series" "--description")
+ (stgit-rescan)
(if curpatch
(stgit-goto-patch curpatch)
(goto-line curline))))
+(defface stgit-description-face
+ '((((background dark)) (:foreground "tan"))
+ (((background light)) (:foreground "dark red")))
+ "The face used for StGit desriptions")
+
+(defface stgit-top-patch-face
+ '((((background dark)) (:weight bold :foreground "yellow"))
+ (((background light)) (:weight bold :foreground "purple"))
+ (t (:weight bold)))
+ "The face used for the top patch names")
+
+(defface stgit-applied-patch-face
+ '((((background dark)) (:foreground "light yellow"))
+ (((background light)) (:foreground "purple"))
+ (t ()))
+ "The face used for applied patch names")
+
+(defface stgit-unapplied-patch-face
+ '((((background dark)) (:foreground "gray80"))
+ (((background light)) (:foreground "orchid"))
+ (t ()))
+ "The face used for unapplied patch names")
+
+(defun stgit-rescan ()
+ "Rescan the status buffer."
+ (save-excursion
+ (let ((marked ()))
+ (goto-char (point-min))
+ (while (not (eobp))
+ (cond ((looking-at "Branch: \\(.*\\)")
+ (put-text-property (match-beginning 1) (match-end 1)
+ 'face 'bold))
+ ((looking-at "\\([>+-]\\)\\( \\)\\([^ ]+\\) *[|#] \\(.*\\)")
+ (let ((state (match-string 1))
+ (patchsym (intern (match-string 3))))
+ (put-text-property
+ (match-beginning 3) (match-end 3) 'face
+ (cond ((string= state ">") 'stgit-top-patch-face)
+ ((string= state "+") 'stgit-applied-patch-face)
+ ((string= state "-") 'stgit-unapplied-patch-face)))
+ (put-text-property (match-beginning 4) (match-end 4)
+ 'face 'stgit-description-face)
+ (when (memq patchsym stgit-marked-patches)
+ (replace-match "*" nil nil nil 2)
+ (setq marked (cons patchsym marked)))))
+ ((or (looking-at "stg series: Branch \".*\" not initialised")
+ (looking-at "stg series: .*: branch not initialized"))
+ (forward-line 1)
+ (insert "Run M-x stgit-init to initialise")))
+ (forward-line 1))
+ (setq stgit-marked-patches (nreverse marked)))))
+
+(defun stgit-quit ()
+ "Hide the stgit buffer"
+ (interactive)
+ (bury-buffer))
+
+(defun stgit-git-status ()
+ "Show status using `git-status'"
+ (interactive)
+ (unless (fboundp 'git-status)
+ (error "stgit-git-status requires git-status"))
+ (let ((dir default-directory))
+ (save-selected-window
+ (pop-to-buffer nil)
+ (git-status dir))))
+
(defvar stgit-mode-hook nil
"Run after `stgit-mode' is setup.")
(unless stgit-mode-map
(setq stgit-mode-map (make-keymap))
(suppress-keymap stgit-mode-map)
- (define-key stgit-mode-map "?" 'stgit-help)
- (define-key stgit-mode-map "h" 'stgit-help)
- (define-key stgit-mode-map "p" 'previous-line)
- (define-key stgit-mode-map "n" 'next-line)
- (define-key stgit-mode-map "g" 'stgit-refresh)
- (define-key stgit-mode-map "r" 'stgit-rename)
- (define-key stgit-mode-map ">" 'stgit-push-next)
- (define-key stgit-mode-map "<" 'stgit-pop-next)
- (define-key stgit-mode-map "P" 'stgit-push-or-pop)
- (define-key stgit-mode-map "G" 'stgit-goto)
- (define-key stgit-mode-map "=" 'stgit-show))
+ (mapc (lambda (arg) (define-key stgit-mode-map (car arg) (cdr arg)))
+ '((" " . stgit-mark)
+ ("m" . stgit-mark)
+ ("\d" . stgit-unmark-up)
+ ("u" . stgit-unmark-down)
+ ("?" . stgit-help)
+ ("h" . stgit-help)
+ ("p" . previous-line)
+ ("n" . next-line)
+ ("s" . stgit-git-status)
+ ("g" . stgit-reload)
+ ("r" . stgit-refresh)
+ ("\C-c\C-r" . stgit-rename)
+ ("e" . stgit-edit)
+ ("c" . stgit-coalesce)
+ ("N" . stgit-new)
+ ("R" . stgit-repair)
+ ("C" . stgit-commit)
+ ("U" . stgit-uncommit)
+ (">" . stgit-push-next)
+ ("<" . stgit-pop-next)
+ ("P" . stgit-push-or-pop)
+ ("G" . stgit-goto)
+ ("=" . stgit-show)
+ ("D" . stgit-delete)
+ ([(control ?/)] . stgit-undo)
+ ("\C-_" . stgit-undo)
+ ("q" . stgit-quit))))
(defun stgit-mode ()
"Major mode for interacting with StGit.
goal-column 2)
(use-local-map stgit-mode-map)
(set (make-local-variable 'list-buffers-directory) default-directory)
+ (set (make-local-variable 'stgit-marked-patches) nil)
(set-variable 'truncate-lines 't)
(run-hooks 'stgit-mode-hook))
+(defun stgit-add-mark (patch)
+ (let ((patchsym (intern patch)))
+ (setq stgit-marked-patches (cons patchsym stgit-marked-patches))))
+
+(defun stgit-remove-mark (patch)
+ (let ((patchsym (intern patch)))
+ (setq stgit-marked-patches (delq patchsym stgit-marked-patches))))
+
+(defun stgit-clear-marks ()
+ (setq stgit-marked-patches '()))
+
+(defun stgit-marked-patches ()
+ "Return the names of the marked patches."
+ (mapcar 'symbol-name stgit-marked-patches))
+
(defun stgit-patch-at-point ()
"Return the patch name on the current line"
(save-excursion
(beginning-of-line)
- (if (looking-at "[>+-] \\([^ ]*\\)")
- (match-string 1)
+ (if (looking-at "[>+-][ *]\\([^ ]*\\)")
+ (match-string-no-properties 1)
nil)))
+(defun stgit-patches-marked-or-at-point ()
+ "Return the names of the marked patches, or the patch on the current line."
+ (if stgit-marked-patches
+ (stgit-marked-patches)
+ (let ((patch (stgit-patch-at-point)))
+ (if patch
+ (list patch)
+ '()))))
+
(defun stgit-goto-patch (patch)
"Move point to the line containing PATCH"
(let ((p (point)))
(goto-char (point-min))
- (if (re-search-forward (concat "[>+-] " (regexp-quote patch) " ") nil t)
+ (if (re-search-forward (concat "^[>+-][ *]" (regexp-quote patch) " ") nil t)
(progn (move-to-column goal-column)
t)
(goto-char p)
nil)))
+(defun stgit-init ()
+ "Run stg init"
+ (interactive)
+ (stgit-capture-output nil
+ (stgit-run "init"))
+ (stgit-reload))
+
+(defun stgit-mark ()
+ "Mark the patch under point"
+ (interactive)
+ (let ((patch (stgit-patch-at-point)))
+ (stgit-add-mark patch)
+ (stgit-reload))
+ (next-line))
+
+(defun stgit-unmark-up ()
+ "Remove mark from the patch on the previous line"
+ (interactive)
+ (forward-line -1)
+ (stgit-remove-mark (stgit-patch-at-point))
+ (stgit-reload))
+
+(defun stgit-unmark-down ()
+ "Remove mark from the patch on the current line"
+ (interactive)
+ (stgit-remove-mark (stgit-patch-at-point))
+ (forward-line)
+ (stgit-reload))
+
(defun stgit-rename (name)
"Rename the patch under point"
(interactive (list (read-string "Patch name: " (stgit-patch-at-point))))
(error "No patch on this line"))
(stgit-capture-output nil
(stgit-run "rename" old-name name))
- (stgit-refresh)
+ (stgit-reload)
(stgit-goto-patch name)))
-(defun stgit-push-next ()
- "Push the first unapplied patch"
+(defun stgit-repair ()
+ "Run stg repair"
(interactive)
- (stgit-capture-output nil (stgit-run "push"))
- (stgit-refresh))
+ (stgit-capture-output nil
+ (stgit-run "repair"))
+ (stgit-reload))
-(defun stgit-pop-next ()
- "Pop the topmost applied patch"
+(defun stgit-commit ()
+ "Run stg commit."
(interactive)
- (stgit-capture-output nil (stgit-run "pop"))
- (stgit-refresh))
+ (stgit-capture-output nil (stgit-run "commit"))
+ (stgit-reload))
+
+(defun stgit-uncommit (arg)
+ "Run stg uncommit. Numeric arg determines number of patches to uncommit."
+ (interactive "p")
+ (stgit-capture-output nil (stgit-run "uncommit" "-n" (number-to-string arg)))
+ (stgit-reload))
+
+(defun stgit-push-next (npatches)
+ "Push the first unapplied patch.
+With numeric prefix argument, push that many patches."
+ (interactive "p")
+ (stgit-capture-output nil (stgit-run "push" "-n"
+ (number-to-string npatches)))
+ (stgit-reload))
+
+(defun stgit-pop-next (npatches)
+ "Pop the topmost applied patch.
+With numeric prefix argument, pop that many patches."
+ (interactive "p")
+ (stgit-capture-output nil (stgit-run "pop" "-n" (number-to-string npatches)))
+ (stgit-reload))
(defun stgit-applied-at-point ()
"Is the patch on the current line applied?"
(let ((patch (stgit-patch-at-point))
(applied (stgit-applied-at-point)))
(stgit-capture-output nil
- (stgit-run (if applied "pop" "push") patch))
- (stgit-refresh)))
+ (stgit-run (if applied "pop" "push") patch))
+ (stgit-reload)))
(defun stgit-goto ()
"Go to the patch on the current line"
(interactive)
(let ((patch (stgit-patch-at-point)))
(stgit-capture-output nil
- (stgit-run "goto" patch))
- (stgit-refresh)))
+ (stgit-run "goto" patch))
+ (stgit-reload)))
(defun stgit-show ()
"Show the patch on the current line"
(goto-char (point-min))
(diff-mode))))
+(defun stgit-edit ()
+ "Edit the patch on the current line"
+ (interactive)
+ (let ((patch (stgit-patch-at-point))
+ (edit-buf (get-buffer-create "*StGit edit*"))
+ (dir default-directory))
+ (log-edit 'stgit-confirm-edit t nil edit-buf)
+ (set (make-local-variable 'stgit-edit-patch) patch)
+ (setq default-directory dir)
+ (let ((standard-output edit-buf))
+ (stgit-run-silent "edit" "--save-template=-" patch))))
+
+(defun stgit-confirm-edit ()
+ (interactive)
+ (let ((file (make-temp-file "stgit-edit-")))
+ (write-region (point-min) (point-max) file)
+ (stgit-capture-output nil
+ (stgit-run "edit" "-f" file stgit-edit-patch))
+ (with-current-buffer log-edit-parent-buffer
+ (stgit-reload))))
+
+(defun stgit-new ()
+ "Create a new patch"
+ (interactive)
+ (let ((edit-buf (get-buffer-create "*StGit edit*")))
+ (log-edit 'stgit-confirm-new t nil edit-buf)))
+
+(defun stgit-confirm-new ()
+ (interactive)
+ (let ((file (make-temp-file "stgit-edit-")))
+ (write-region (point-min) (point-max) file)
+ (stgit-capture-output nil
+ (stgit-run "new" "-f" file))
+ (with-current-buffer log-edit-parent-buffer
+ (stgit-reload))))
+
+(defun stgit-create-patch-name (description)
+ "Create a patch name from a long description"
+ (let ((patch ""))
+ (while (> (length description) 0)
+ (cond ((string-match "\\`[a-zA-Z_-]+" description)
+ (setq patch (downcase (concat patch (match-string 0 description))))
+ (setq description (substring description (match-end 0))))
+ ((string-match "\\` +" description)
+ (setq patch (concat patch "-"))
+ (setq description (substring description (match-end 0))))
+ ((string-match "\\`[^a-zA-Z_-]+" description)
+ (setq description (substring description (match-end 0))))))
+ (cond ((= (length patch) 0)
+ "patch")
+ ((> (length patch) 20)
+ (substring patch 0 20))
+ (t patch))))
+
+(defun stgit-delete (patch-names)
+ "Delete the named patches"
+ (interactive (list (stgit-patches-marked-or-at-point)))
+ (if (zerop (length patch-names))
+ (error "No patches to delete")
+ (when (yes-or-no-p (format "Really delete %d patches? "
+ (length patch-names)))
+ (stgit-capture-output nil
+ (apply 'stgit-run "delete" patch-names))
+ (stgit-reload))))
+
+(defun stgit-coalesce (patch-names)
+ "Run stg coalesce on the named patches"
+ (interactive (list (stgit-marked-patches)))
+ (let ((edit-buf (get-buffer-create "*StGit edit*"))
+ (dir default-directory))
+ (log-edit 'stgit-confirm-coalesce t nil edit-buf)
+ (set (make-local-variable 'stgit-patches) patch-names)
+ (setq default-directory dir)
+ (let ((standard-output edit-buf))
+ (apply 'stgit-run-silent "coalesce" "--save-template=-" patch-names))))
+
+(defun stgit-confirm-coalesce ()
+ (interactive)
+ (let ((file (make-temp-file "stgit-edit-")))
+ (write-region (point-min) (point-max) file)
+ (stgit-capture-output nil
+ (apply 'stgit-run "coalesce" "-f" file stgit-patches))
+ (with-current-buffer log-edit-parent-buffer
+ (stgit-clear-marks)
+ ;; Go to first marked patch and stay there
+ (goto-char (point-min))
+ (re-search-forward (concat "^[>+-]\\*") nil t)
+ (move-to-column goal-column)
+ (let ((pos (point)))
+ (stgit-reload)
+ (goto-char pos)))))
+
(defun stgit-help ()
"Display help for the StGit mode."
(interactive)
(describe-function 'stgit-mode))
+(defun stgit-undo (&optional arg)
+ "Run stg undo.
+With prefix argument, run it with the --hard flag."
+ (interactive "P")
+ (stgit-capture-output nil
+ (if arg
+ (stgit-run "undo" "--hard")
+ (stgit-run "undo")))
+ (stgit-reload))
+
+(defun stgit-refresh (&optional arg)
+ "Run stg refresh.
+With prefix argument, refresh the patch under point."
+ (interactive "P")
+ (let ((patchargs (if arg
+ (let ((patches (stgit-patches-marked-or-at-point)))
+ (cond ((null patches)
+ (error "no patch to update"))
+ ((> (length patches) 1)
+ (error "too many patches selected"))
+ (t
+ (cons "-p" patches))))
+ nil)))
+ (stgit-capture-output nil
+ (apply 'stgit-run "refresh" patchargs)))
+ (stgit-reload))
+
(provide 'stgit)
~mdw / stgit / blobdiff