]> code.delx.au - gnu-emacs/blobdiff - lisp/vc-hg.el
Add 2010 to copyright years.
[gnu-emacs] / lisp / vc-hg.el
index 4c06d0206ef428fbd61a307628e5e19332453c58..b6e1d39c2ff38c0cf6d3a6f976a45132f1f1926d 100644 (file)
@@ -1,6 +1,6 @@
 ;;; vc-hg.el --- VC backend for the mercurial version control system
 
-;; Copyright (C) 2006, 2007, 2008 Free Software Foundation, Inc.
+;; Copyright (C) 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
 
 ;; Author: Ivan Kanis
 ;; Keywords: tools
@@ -44,8 +44,8 @@
 ;; - state-heuristic (file)                    NOT NEEDED
 ;; - dir-status (dir update-function)          OK
 ;; - dir-status-files (dir files ds uf)        OK
-;; - dir-extra-headers (dir)                OK
-;; - dir-printer (fileinfo)                 OK
+;; - dir-extra-headers (dir)                   OK
+;; - dir-printer (fileinfo)                    OK
 ;; * working-revision (file)                   OK
 ;; - latest-on-branch-p (file)                 ??
 ;; * checkout-model (files)                    OK
@@ -68,7 +68,7 @@
 ;; - merge-news (file)                         NEEDED
 ;; - steal-lock (file &optional revision)      NOT NEEDED
 ;; HISTORY FUNCTIONS
-;; * print-log (files &optional buffer)        OK
+;; * print-log (files buffer &optional shortlog start-revision limit) OK
 ;; - log-view-mode ()                          OK
 ;; - show-log-entry (revision)                 NOT NEEDED, DEFAULT IS GOOD
 ;; - comment-history (file)                    NOT NEEDED
@@ -80,8 +80,8 @@
 ;; - annotate-current-time ()                  NOT NEEDED
 ;; - annotate-extract-revision-at-line ()      OK
 ;; TAG SYSTEM
-;; - create-tag (dir name branchp)       NEEDED
-;; - retrieve-tag (dir name update)       NEEDED
+;; - create-tag (dir name branchp)             NEEDED
+;; - retrieve-tag (dir name update)            NEEDED
 ;; MISCELLANEOUS
 ;; - make-version-backups-p (file)             ??
 ;; - repository-hostname (dirname)             ??
@@ -92,7 +92,6 @@
 ;; - delete-file (file)                        TEST IT
 ;; - rename-file (old new)                     OK
 ;; - find-file-hook ()                         PROBABLY NOT NEEDED
-;; - find-file-not-found-hook ()               PROBABLY NOT NEEDED
 
 ;; 2) Implement Stefan Monnier's advice:
 ;; vc-hg-registered and vc-hg-state
   "String or list of strings specifying switches for Hg diff under VC.
 If nil, use the value of `vc-diff-switches'.  If t, use no switches."
   :type '(choice (const :tag "Unspecified" nil)
-                (const :tag "None" t)
-                (string :tag "Argument String")
-                (repeat :tag "Argument List" :value ("") string))
+                 (const :tag "None" t)
+                 (string :tag "Argument String")
+                 (repeat :tag "Argument List" :value ("") string))
   :version "23.1"
   :group 'vc)
 
@@ -160,63 +159,73 @@ If nil, use the value of `vc-diff-switches'.  If t, use no switches."
   "Hg-specific version of `vc-state'."
   (let*
       ((status nil)
+       (default-directory (file-name-directory file))
        (out
-       (with-output-to-string
-         (with-current-buffer
-             standard-output
-           (setq status
-                 (condition-case nil
-                     ;; Ignore all errors.
-                     (call-process
-                      "hg" nil t nil "--cwd" (file-name-directory file)
-                      "status" "-A" (file-name-nondirectory file))
-                   ;; Some problem happened.  E.g. We can't find an `hg'
-                   ;; executable.
-                   (error nil)))))))
+        (with-output-to-string
+          (with-current-buffer
+              standard-output
+            (setq status
+                  (condition-case nil
+                      ;; Ignore all errors.
+                     (let ((process-environment
+                            ;; Avoid localization of messages so we can parse the output.
+                            (append (list "TERM=dumb" "LANGUAGE=C" "HGRC=") process-environment)))
+
+                     (process-file
+                       "hg" nil t nil
+                       "status" "-A" (file-relative-name file)))
+                    ;; Some problem happened.  E.g. We can't find an `hg'
+                    ;; executable.
+                    (error nil)))))))
     (when (eq 0 status)
-       (when (null (string-match ".*: No such file or directory$" out))
-         (let ((state (aref out 0)))
-           (cond
-            ((eq state ?=) 'up-to-date)
-            ((eq state ?A) 'added)
-            ((eq state ?M) 'edited)
-            ((eq state ?I) 'ignored)
-            ((eq state ?R) 'removed)
-            ((eq state ?!) 'missing)
-            ((eq state ??) 'unregistered)
-            ((eq state ?C) 'up-to-date) ;; Older mercurials use this
-            (t 'up-to-date)))))))
+        (when (null (string-match ".*: No such file or directory$" out))
+          (let ((state (aref out 0)))
+            (cond
+             ((eq state ?=) 'up-to-date)
+             ((eq state ?A) 'added)
+             ((eq state ?M) 'edited)
+             ((eq state ?I) 'ignored)
+             ((eq state ?R) 'removed)
+             ((eq state ?!) 'missing)
+             ((eq state ??) 'unregistered)
+             ((eq state ?C) 'up-to-date) ;; Older mercurials use this
+             (t 'up-to-date)))))))
 
 (defun vc-hg-working-revision (file)
   "Hg-specific version of `vc-working-revision'."
   (let*
       ((status nil)
+       (default-directory (file-name-directory file))
        (out
-       (with-output-to-string
-         (with-current-buffer
-             standard-output
-           (setq status
-                 (condition-case nil
-                     ;; Ignore all errors.
-                     (call-process
-                      "hg" nil t nil "--cwd" (file-name-directory file)
-                      "log" "-l1" (file-name-nondirectory file))
-                   ;; Some problem happened.  E.g. We can't find an `hg'
-                   ;; executable.
-                   (error nil)))))))
-    (when (eq 0 status)
-      (if (string-match "changeset: *\\([0-9]*\\)" out)
-         (match-string 1 out)
-       "0"))))
+        (with-output-to-string
+          (with-current-buffer
+              standard-output
+            (setq status
+                  (condition-case nil
+                     (let ((process-environment
+                            ;; Avoid localization of messages so we can parse the output.
+                            (append (list "TERM=dumb" "LANGUAGE=C" "HGRC=")
+                                    process-environment)))
+                       ;; Ignore all errors.
+                       (process-file
+                        "hg" nil t nil
+                        "parent" "--template" "{rev}" (file-relative-name file)))
+                    ;; Some problem happened.  E.g. We can't find an `hg'
+                    ;; executable.
+                    (error nil)))))))
+    (when (eq 0 status) out)))
 
 ;;; History functions
 
-(defun vc-hg-print-log (files &optional buffer)
-  "Get change log associated with FILES."
-  ;; `log-view-mode' needs to have the file names in order to function
-  ;; correctly. "hg log" does not print it, so we insert it here by
-  ;; hand.
+(defcustom vc-hg-log-switches nil
+  "String or list of strings specifying switches for hg log under VC."
+  :type '(choice (const :tag "None" nil)
+                 (string :tag "Argument String")
+                 (repeat :tag "Argument List" :value ("") string))
+  :group 'vc-hg)
 
+(defun vc-hg-print-log (files buffer &optional shortlog start-revision limit)
+  "Get change log associated with FILES."
   ;; `vc-do-command' creates the buffer, but we need it before running
   ;; the command.
   (vc-setup-buffer buffer)
@@ -225,56 +234,66 @@ If nil, use the value of `vc-diff-switches'.  If t, use no switches."
   (let ((inhibit-read-only t))
     (with-current-buffer
        buffer
-      (vc-hg-command buffer 0 files "log"))))
+      (apply 'vc-hg-command buffer 0 files "log"
+            (append
+             (when start-revision (list (format "-r%s:" start-revision)))
+             (when limit (list "-l" (format "%s" limit)))
+             (when shortlog '("--style" "compact"))
+             vc-hg-log-switches)))))
 
 (defvar log-view-message-re)
 (defvar log-view-file-re)
 (defvar log-view-font-lock-keywords)
 (defvar log-view-per-file-logs)
+(defvar vc-short-log)
 
 (define-derived-mode vc-hg-log-view-mode log-view-mode "Hg-Log-View"
   (require 'add-log) ;; we need the add-log faces
   (set (make-local-variable 'log-view-file-re) "\\`a\\`")
   (set (make-local-variable 'log-view-per-file-logs) nil)
   (set (make-local-variable 'log-view-message-re)
-       "^changeset:[ \t]*\\([0-9]+\\):\\(.+\\)")
+       (if vc-short-log
+           "^\\([0-9]+\\)\\(?:\\[.*\\]\\)? +\\([0-9a-z]\\{12\\}\\) +\\(\\(?:[0-9]+\\)-\\(?:[0-9]+\\)-\\(?:[0-9]+\\) \\(?:[0-9]+\\):\\(?:[0-9]+\\) \\(?:[-+0-9]+\\)\\) +\\(.*\\)$"
+         "^changeset:[ \t]*\\([0-9]+\\):\\(.+\\)"))
   (set (make-local-variable 'log-view-font-lock-keywords)
+       (if vc-short-log
+           (append `((,log-view-message-re
+                      (1 'log-view-message-face)
+                      (2 'log-view-message-face)
+                      (3 'change-log-date)
+                      (4 'change-log-name))))
        (append
-       log-view-font-lock-keywords
-       '(
-         ;; Handle the case:
-         ;; user: FirstName LastName <foo@bar>
-         ("^user:[ \t]+\\([^<(]+?\\)[ \t]*[(<]\\([A-Za-z0-9_.+-]+@[A-Za-z0-9_.-]+\\)[>)]"
-          (1 'change-log-name)
-          (2 'change-log-email))
-         ;; Handle the cases:
-         ;; user: foo@bar
-         ;; and
-         ;; user: foo
-         ("^user:[ \t]+\\([A-Za-z0-9_.+-]+\\(?:@[A-Za-z0-9_.-]+\\)?\\)"
-          (1 'change-log-email))
-         ("^date: \\(.+\\)" (1 'change-log-date))
-         ("^summary:[ \t]+\\(.+\\)" (1 'log-view-message))))))
+        log-view-font-lock-keywords
+        '(
+          ;; Handle the case:
+          ;; user: FirstName LastName <foo@bar>
+          ("^user:[ \t]+\\([^<(]+?\\)[ \t]*[(<]\\([A-Za-z0-9_.+-]+@[A-Za-z0-9_.-]+\\)[>)]"
+           (1 'change-log-name)
+           (2 'change-log-email))
+          ;; Handle the cases:
+          ;; user: foo@bar
+          ;; and
+          ;; user: foo
+          ("^user:[ \t]+\\([A-Za-z0-9_.+-]+\\(?:@[A-Za-z0-9_.-]+\\)?\\)"
+           (1 'change-log-email))
+          ("^date: \\(.+\\)" (1 'change-log-date))
+            ("^summary:[ \t]+\\(.+\\)" (1 'log-view-message)))))))
 
 (defun vc-hg-diff (files &optional oldvers newvers buffer)
   "Get a difference report using hg between two revisions of FILES."
   (let* ((firstfile (car files))
-        (working (and firstfile (vc-working-revision firstfile))))
+         (working (and firstfile (vc-working-revision firstfile))))
     (when (and (equal oldvers working) (not newvers))
       (setq oldvers nil))
     (when (and (not oldvers) newvers)
       (setq oldvers working))
-    (apply #'vc-hg-command (or buffer "*vc-diff*") nil
-          (mapcar (lambda (file) (file-name-nondirectory file)) files)
-          "--cwd" (or (when firstfile (file-name-directory firstfile))
-                      (expand-file-name default-directory))
-          "diff"
-          (append
-           (vc-switches 'hg 'diff)
-           (when oldvers
-             (if newvers
-                 (list "-r" oldvers "-r" newvers)
-               (list "-r" oldvers)))))))
+    (apply #'vc-hg-command (or buffer "*vc-diff*") nil files "diff"
+           (append
+            (vc-switches 'hg 'diff)
+            (when oldvers
+              (if newvers
+                  (list "-r" oldvers "-r" newvers)
+                (list "-r" oldvers)))))))
 
 (defun vc-hg-revision-table (files)
   (let ((default-directory (file-name-directory (car files))))
@@ -294,12 +313,8 @@ If nil, use the value of `vc-diff-switches'.  If t, use no switches."
 (defun vc-hg-annotate-command (file buffer &optional revision)
   "Execute \"hg annotate\" on FILE, inserting the contents in BUFFER.
 Optional arg REVISION is a revision to annotate from."
-  (vc-hg-command buffer 0 file "annotate" "-d" "-n"
-                (when revision (concat "-r" revision)))
-  (with-current-buffer buffer
-    (goto-char (point-min))
-    (re-search-forward "^[ \t]*[0-9]")
-    (delete-region (point-min) (match-beginning 0))))
+  (vc-hg-command buffer 0 file "annotate" "-d" "-n" "--follow"
+                 (when revision (concat "-r" revision))))
 
 (declare-function vc-annotate-convert-time "vc-annotate" (time))
 
@@ -310,7 +325,7 @@ Optional arg REVISION is a revision to annotate from."
 ;;215 Wed Jun 20 21:22:58 2007 -0700 foo.c: CONTENTS
 ;; i.e. VERSION_NUMBER DATE FILENAME: CONTENTS
 (defconst vc-hg-annotate-re
-  "^[ \t]*\\([0-9]+\\) \\(.\\{30\\}\\)[^:\n]*\\(:[^ \n][^:\n]*\\)*: ")
+  "^[ \t]*\\([0-9]+\\) \\(.\\{30\\}\\)\\(?:\\(: \\)\\|\\(?: +\\(.+\\): \\)\\)")
 
 (defun vc-hg-annotate-time ()
   (when (looking-at vc-hg-annotate-re)
@@ -321,7 +336,11 @@ Optional arg REVISION is a revision to annotate from."
 (defun vc-hg-annotate-extract-revision-at-line ()
   (save-excursion
     (beginning-of-line)
-    (when (looking-at vc-hg-annotate-re) (match-string-no-properties 1))))
+    (when (looking-at vc-hg-annotate-re)
+      (if (match-beginning 3)
+         (match-string-no-properties 1)
+       (cons (match-string-no-properties 1)
+             (expand-file-name (match-string-no-properties 4)))))))
 
 (defun vc-hg-previous-revision (file rev)
   (let ((newrev (1- (string-to-number rev))))
@@ -330,12 +349,12 @@ Optional arg REVISION is a revision to annotate from."
 
 (defun vc-hg-next-revision (file rev)
   (let ((newrev (1+ (string-to-number rev)))
-       (tip-revision
-        (with-temp-buffer
-          (vc-hg-command t 0 nil "tip")
-          (goto-char (point-min))
-          (re-search-forward "^changeset:[ \t]*\\([0-9]+\\):")
-          (string-to-number (match-string-no-properties 1)))))
+        (tip-revision
+         (with-temp-buffer
+           (vc-hg-command t 0 nil "tip")
+           (goto-char (point-min))
+           (re-search-forward "^changeset:[ \t]*\\([0-9]+\\):")
+           (string-to-number (match-string-no-properties 1)))))
     ;; We don't want to exceed the maximum possible revision number, ie
     ;; the tip revision.
     (when (<= newrev tip-revision)
@@ -391,7 +410,7 @@ REV is ignored."
   (let ((coding-system-for-read 'binary)
         (coding-system-for-write 'binary))
     (if rev
-       (vc-hg-command buffer 0 file "cat" "-r" rev)
+        (vc-hg-command buffer 0 file "cat" "-r" rev)
       (vc-hg-command buffer 0 file "cat"))))
 
 ;; Modeled after the similar function in vc-bzr.el
@@ -427,9 +446,15 @@ REV is the revision to check out into WORKFILE."
 
 (defun vc-hg-extra-status-menu () vc-hg-extra-menu-map)
 
-(define-derived-mode vc-hg-outgoing-mode vc-hg-log-view-mode "Hg-Outgoing")
+(defvar log-view-vc-backend)
+
+(define-derived-mode vc-hg-outgoing-mode vc-hg-log-view-mode "Hg-Outgoing"
+  "Mode for browsing Hg outgoing changes."
+  (set (make-local-variable 'log-view-vc-backend) 'Hg))
 
-(define-derived-mode vc-hg-incoming-mode vc-hg-log-view-mode "Hg-Incoming")
+(define-derived-mode vc-hg-incoming-mode vc-hg-log-view-mode "Hg-Incoming"
+  "Mode for browsing Hg incoming changes."
+  (set (make-local-variable 'log-view-vc-backend) 'Hg))
 
 (defstruct (vc-hg-extra-fileinfo
             (:copier nil)
@@ -446,64 +471,64 @@ REV is the revision to check out into WORKFILE."
     (vc-default-dir-printer 'Hg info)
     (when extra
       (insert (propertize
-              (format "   (%s %s)"
-                      (case (vc-hg-extra-fileinfo->rename-state extra)
-                        ('copied "copied from")
-                        ('renamed-from "renamed from")
-                        ('renamed-to "renamed to"))
-                      (vc-hg-extra-fileinfo->extra-name extra))
-              'face 'font-lock-comment-face)))))
+               (format "   (%s %s)"
+                       (case (vc-hg-extra-fileinfo->rename-state extra)
+                         ('copied "copied from")
+                         ('renamed-from "renamed from")
+                         ('renamed-to "renamed to"))
+                       (vc-hg-extra-fileinfo->extra-name extra))
+               'face 'font-lock-comment-face)))))
 
 (defun vc-hg-after-dir-status (update-function)
   (let ((status-char nil)
-       (file nil)
-       (translation '((?= . up-to-date)
-                      (?C . up-to-date)
-                      (?A . added)
-                      (?R . removed)
-                      (?M . edited)
-                      (?I . ignored)
-                      (?! . missing)
-                      (?  . copy-rename-line)
-                      (?? . unregistered)))
-       (translated nil)
-       (result nil)
-       (last-added nil)
-       (last-line-copy nil))
+        (file nil)
+        (translation '((?= . up-to-date)
+                       (?C . up-to-date)
+                       (?A . added)
+                       (?R . removed)
+                       (?M . edited)
+                       (?I . ignored)
+                       (?! . missing)
+                       (?  . copy-rename-line)
+                       (?? . unregistered)))
+        (translated nil)
+        (result nil)
+        (last-added nil)
+        (last-line-copy nil))
       (goto-char (point-min))
       (while (not (eobp))
-       (setq translated (cdr (assoc (char-after) translation)))
-       (setq file
-             (buffer-substring-no-properties (+ (point) 2)
-                                             (line-end-position)))
-       (cond ((not translated)
-              (setq last-line-copy nil))
-             ((eq translated 'up-to-date)
-              (setq last-line-copy nil))
-             ((eq translated 'copy-rename-line)
-              ;; For copied files the output looks like this:
-              ;; A COPIED_FILE_NAME
-              ;;   ORIGINAL_FILE_NAME
-              (setf (nth 2 last-added)
-                    (vc-hg-create-extra-fileinfo 'copied file))
-              (setq last-line-copy t))
-             ((and last-line-copy (eq translated 'removed))
-              ;; For renamed files the output looks like this:
-              ;; A NEW_FILE_NAME
-              ;;   ORIGINAL_FILE_NAME
-              ;; R ORIGINAL_FILE_NAME
-              ;; We need to adjust the previous entry to not think it is a copy.
-              (setf (vc-hg-extra-fileinfo->rename-state (nth 2 last-added))
-                    'renamed-from)
-              (push (list file translated
-                          (vc-hg-create-extra-fileinfo
-                           'renamed-to (nth 0 last-added))) result)
-              (setq last-line-copy nil))
-             (t
-              (setq last-added (list file translated nil))
-              (push last-added result)
-              (setq last-line-copy nil)))
-       (forward-line))
+        (setq translated (cdr (assoc (char-after) translation)))
+        (setq file
+              (buffer-substring-no-properties (+ (point) 2)
+                                              (line-end-position)))
+        (cond ((not translated)
+               (setq last-line-copy nil))
+              ((eq translated 'up-to-date)
+               (setq last-line-copy nil))
+              ((eq translated 'copy-rename-line)
+               ;; For copied files the output looks like this:
+               ;; A COPIED_FILE_NAME
+               ;;   ORIGINAL_FILE_NAME
+               (setf (nth 2 last-added)
+                     (vc-hg-create-extra-fileinfo 'copied file))
+               (setq last-line-copy t))
+              ((and last-line-copy (eq translated 'removed))
+               ;; For renamed files the output looks like this:
+               ;; A NEW_FILE_NAME
+               ;;   ORIGINAL_FILE_NAME
+               ;; R ORIGINAL_FILE_NAME
+               ;; We need to adjust the previous entry to not think it is a copy.
+               (setf (vc-hg-extra-fileinfo->rename-state (nth 2 last-added))
+                     'renamed-from)
+               (push (list file translated
+                           (vc-hg-create-extra-fileinfo
+                            'renamed-to (nth 0 last-added))) result)
+               (setq last-line-copy nil))
+              (t
+               (setq last-added (list file translated nil))
+               (push last-added result)
+               (setq last-line-copy nil)))
+        (forward-line))
       (funcall update-function result)))
 
 (defun vc-hg-dir-status (dir update-function)
@@ -550,14 +575,16 @@ REV is the revision to check out into WORKFILE."
 
 (defun vc-hg-outgoing ()
   (interactive)
-  (let ((bname "*Hg outgoing*"))
-    (vc-hg-command bname 0 nil "outgoing" "-n")
+  (let ((bname "*Hg outgoing*")
+       (vc-short-log nil))
+    (vc-hg-command bname 1 nil "outgoing" "-n")
     (pop-to-buffer bname)
     (vc-hg-outgoing-mode)))
 
 (defun vc-hg-incoming ()
   (interactive)
-  (let ((bname "*Hg incoming*"))
+  (let ((bname "*Hg incoming*")
+       (vc-short-log nil))
     (vc-hg-command bname 0 nil "incoming" "-n")
     (pop-to-buffer bname)
     (vc-hg-incoming-mode)))
@@ -569,22 +596,22 @@ REV is the revision to check out into WORKFILE."
   (interactive)
   (let ((marked-list (log-view-get-marked)))
     (if marked-list
-       (vc-hg-command
-        nil 0 nil
-        (cons "push"
-              (apply 'nconc
-                     (mapcar (lambda (arg) (list "-r" arg)) marked-list))))
-        (error "No log entries selected for push"))))
+        (vc-hg-command
+         nil 0 nil
+         (cons "push"
+               (apply 'nconc
+                      (mapcar (lambda (arg) (list "-r" arg)) marked-list))))
+         (error "No log entries selected for push"))))
 
 (defun vc-hg-pull ()
   (interactive)
   (let ((marked-list (log-view-get-marked)))
     (if marked-list
-       (vc-hg-command
-        nil 0 nil
-        (cons "pull"
-              (apply 'nconc
-                     (mapcar (lambda (arg) (list "-r" arg)) marked-list))))
+        (vc-hg-command
+         nil 0 nil
+         (cons "pull"
+               (apply 'nconc
+                      (mapcar (lambda (arg) (list "-r" arg)) marked-list))))
       (error "No log entries selected for pull"))))
 
 ;;; Internal functions