forked from magit/magit
-
Notifications
You must be signed in to change notification settings - Fork 0
/
magit-svn.el
240 lines (210 loc) · 9.14 KB
/
magit-svn.el
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
;;; magit-svn.el --- git-svn plug-in for Magit
;; Copyright (C) 2008 Alex Ott
;; Copyright (C) 2009 Alexey Voinov
;; Copyright (C) 2009 John Wiegley
;; Copyright (C) 2008 Linh Dang
;; Copyright (C) 2008 Marcin Bachry
;; Copyright (C) 2008, 2009 Marius Vollmer
;; Copyright (C) 2010 Yann Hodique
;;
;; Magit is free software; you can redistribute it and/or modify it
;; under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.
;;
;; Magit is distributed in the hope that it will be useful, but WITHOUT
;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
;; License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with Magit. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; This plug-in provides git-svn functionality as a separate component of Magit
;;; Code:
(require 'magit)
(eval-when-compile
(require 'cl))
;; git svn commands
(defun magit-svn-find-rev (rev &optional branch)
(interactive
(list (read-string "SVN revision: ")
(if current-prefix-arg
(read-string "In branch: "))))
(let* ((sha (apply 'magit-git-string
`("svn"
"find-rev"
,(concat "r" rev)
,@(when branch (list branch))))))
(if sha
(magit-show-commit
(magit-with-section sha 'commit
(magit-set-section-info sha)
sha))
(error "Revision %s could not be mapped to a commit" rev))))
(defun magit-svn-create-branch (name)
(interactive "sBranch name: ")
(magit-run-git "svn" "branch" name))
(defun magit-svn-rebase ()
(interactive)
(magit-run-git-async "svn" "rebase"))
(defun magit-svn-dcommit ()
(interactive)
(magit-run-git-async "svn" "dcommit"))
(defun magit-svn-enabled ()
(not (null (magit-svn-get-ref-info t))))
(defun magit-svn-expand-braces-in-branches (branch)
(if (not (string-match "\\(.+\\){\\(.+,.+\\)}\\(.*\\):\\(.*\\)\\\*" branch))
(list branch)
(let ((prefix (match-string 1 branch))
(suffix (match-string 3 branch))
(rhs (match-string 4 branch))
(pieces (split-string (match-string 2 branch) ",")))
(mapcar (lambda (p) (concat prefix p suffix ":" rhs p)) pieces))))
(defun magit-svn-get-local-ref (url)
(let* ((branches (cons (magit-get "svn-remote" "svn" "fetch")
(magit-get-all "svn-remote" "svn" "branches")))
(branches (apply 'nconc
(mapcar 'magit-svn-expand-braces-in-branches
branches)))
(base-url (magit-get "svn-remote" "svn" "url"))
(result nil))
(while branches
(let* ((pats (split-string (pop branches) ":"))
(src (replace-regexp-in-string "\\*" "\\\\(.*\\\\)" (car pats)))
(dst (replace-regexp-in-string "\\*" "\\\\1" (cadr pats)))
(base-url (replace-regexp-in-string "\\+" "\\\\+" base-url))
(base-url (replace-regexp-in-string "//.+@" "//" base-url))
(pat1 (concat "^" src "$"))
(pat2 (cond ((equal src "") (concat "^" base-url "$"))
(t (concat "^" base-url "/" src "$")))))
(cond ((string-match pat1 url)
(setq result (replace-match dst nil nil url))
(setq branches nil))
((string-match pat2 url)
(setq result (replace-match dst nil nil url))
(setq branches nil)))))
result))
(defvar magit-svn-get-ref-info-cache nil
"A cache for svn-ref-info.
As `magit-get-svn-ref-info' might be considered a quite
expensive operation a cache is taken so that `magit-status'
doesn't repeatedly call it.")
(defun magit-svn-get-ref-info (&optional use-cache)
"Gather details about the current git-svn repository.
Return nil if there isn't one. Keys of the alist are ref-path,
trunk-ref-name and local-ref-name.
If USE-CACHE is non-nil then return the value of `magit-get-svn-ref-info-cache'."
(if (and use-cache magit-svn-get-ref-info-cache)
magit-svn-get-ref-info-cache
(let* ((fetch (magit-get "svn-remote" "svn" "fetch"))
(url)
(revision))
(when fetch
(let* ((ref (cadr (split-string fetch ":")))
(ref-path (file-name-directory ref))
(trunk-ref-name (file-name-nondirectory ref)))
(set (make-local-variable
'magit-svn-get-ref-info-cache)
(list
(cons 'ref-path ref-path)
(cons 'trunk-ref-name trunk-ref-name)
;; get the local ref from the log. This is actually
;; the way that git-svn does it.
(cons 'local-ref
(with-temp-buffer
(insert (or (magit-git-string "log" "--first-parent"
"--grep" "git-svn" "-1")
""))
(goto-char (point-min))
(cond ((re-search-forward "git-svn-id: \\(.+/.+?\\)@\\([0-9]+\\)" nil t)
(setq url (match-string 1)
revision (match-string 2))
(magit-svn-get-local-ref url))
(t
(setq url (magit-get "svn-remote" "svn" "url"))
nil))))
(cons 'revision revision)
(cons 'url url))))))))
(defun magit-svn-get-ref (&optional use-cache)
"Get the best guess remote ref for the current git-svn based branch.
If USE-CACHE is non nil, use the cached information."
(let ((info (magit-svn-get-ref-info use-cache)))
(cdr (assoc 'local-ref info))))
(magit-define-inserter svn-unpulled (&optional use-cache)
(when (magit-svn-enabled)
(apply #'magit-git-section
'svn-unpulled "Unpulled commits (SVN):" 'magit-wash-log "log"
(append magit-git-log-options
(list
(format "HEAD..%s" (magit-svn-get-ref use-cache)))))))
(magit-define-inserter svn-unpushed (&optional use-cache)
(when (magit-svn-enabled)
(apply #'magit-git-section
'svn-unpushed "Unpushed commits (SVN):" 'magit-wash-log "log"
(append magit-git-log-options
(list
(format "%s..HEAD" (magit-svn-get-ref use-cache)))))))
(magit-define-section-jumper svn-unpushed "Unpushed commits (SVN)")
(defun magit-svn-remote-string ()
(let ((svn-info (magit-svn-get-ref-info)))
(when svn-info
(concat (cdr (assoc 'url svn-info))
" @ "
(cdr (assoc 'revision svn-info))))))
(defun magit-svn-remote-update ()
(interactive)
(when (magit-svn-enabled)
(magit-run-git-async "svn" "fetch")))
(easy-menu-define magit-svn-extension-menu
nil
"Git SVN extension menu"
'("Git SVN"
:visible magit-svn-mode
["Create branch" magit-svn-create-branch (magit-svn-enabled)]
["Rebase" magit-svn-rebase (magit-svn-enabled)]
["Fetch" magit-svn-remote-update (magit-svn-enabled)]
["Commit" magit-svn-dcommit (magit-svn-enabled)]))
(easy-menu-add-item 'magit-mode-menu
'("Extensions")
magit-svn-extension-menu)
;; add the group and its keys
(progn
;; (re-)create the group
(magit-key-mode-add-group 'svn)
(magit-key-mode-insert-action 'svn "r" "Rebase" 'magit-svn-rebase)
(magit-key-mode-insert-action 'svn "c" "DCommit" 'magit-svn-dcommit)
(magit-key-mode-insert-action 'svn "f" "Fetch" 'magit-svn-remote-update)
(magit-key-mode-insert-action 'svn "s" "Find rev" 'magit-svn-find-rev)
(magit-key-mode-insert-action 'svn "B" "Create branch" 'magit-svn-create-branch)
;; generate and bind the menu popup function
(magit-key-mode-generate 'svn))
(defvar magit-svn-mode-map
(let ((map (make-sparse-keymap)))
(define-key map (kbd "N") 'magit-key-mode-popup-svn)
map))
;;;###autoload
(define-minor-mode magit-svn-mode "SVN support for Magit"
:lighter " SVN" :require 'magit-svn :keymap 'magit-svn-mode-map
(or (derived-mode-p 'magit-mode)
(error "This mode only makes sense with magit"))
(let ((unpulled-hook (lambda () (magit-insert-svn-unpulled t)))
(unpushed-hook (lambda () (magit-insert-svn-unpushed t)))
(remote-hook 'magit-svn-remote-string))
(if magit-svn-mode
(progn
(add-hook 'magit-after-insert-unpulled-commits-hook unpulled-hook nil t)
(add-hook 'magit-after-insert-unpushed-commits-hook unpushed-hook nil t)
(add-hook 'magit-remote-string-hook remote-hook nil t))
(progn
(remove-hook 'magit-after-insert-unpulled-commits-hook unpulled-hook t)
(remove-hook 'magit-after-insert-unpushed-commits-hook unpushed-hook t)
(remove-hook 'magit-remote-string-hook remote-hook t)))
(when (called-interactively-p 'any)
(magit-refresh))))
;;;###autoload
(defun turn-on-magit-svn ()
"Unconditionally turn on `magit-svn-mode'."
(magit-svn-mode 1))
(provide 'magit-svn)
;;; magit-svn.el ends here