(vc-hg-state, vc-hg-working-revision): Use process-file so

it works on remote files.
(vc-hg-diff): Don't pass any `--cwd' argument.

2 files changed, 30 insertions, 26 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 254fcb2832f..e079bac7440 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,7 +1,13 @@
+2009-10-28  Stefan Monnier  <monnier@iro.umontreal.ca>
+
+        * vc-hg.el (vc-hg-state, vc-hg-working-revision): Use process-file so
+        it works on remote files.
+        (vc-hg-diff): Don't pass any `--cwd' argument.
+
 2009-10-27  Kevin Ryde  <user42@zip.com.au>
 
-        * emacs-lisp/checkdoc.el (checkdoc-proper-noun-region-engine): Use
-        help-xref-info-regexp and help-xref-url-regexp to identify links.
+        * emacs-lisp/checkdoc.el (checkdoc-proper-noun-region-engine):
+        Use help-xref-info-regexp and help-xref-url-regexp to identify links.
         (Further to Bug#3921).
 
 2009-10-27  Michael Albinus  <michael.albinus@gmx.de>
@@ -24,22 +30,19 @@
 
 2009-10-26  Michael Albinus  <michael.albinus@gmx.de>
 
-        * net/tramp.el (tramp-perl-file-truename): New defconst.  Perl
-        code contributed by yary <not.com@gmail.com> (tiny change).
+        * net/tramp.el (tramp-perl-file-truename): New defconst.
+        Perl code contributed by yary <not.com@gmail.com> (tiny change).
         (tramp-handle-file-truename, tramp-get-remote-perl): Use it.
-        Check also for "perl-file-spec" and "perl-cwd-realpath"
-        properties.
-        (tramp-handle-write-region): In case of APPEND, reuse the tmpfile
-        name.
+        Check also for "perl-file-spec" and "perl-cwd-realpath" properties.
+        (tramp-handle-write-region): In case of APPEND, reuse the tmpfile name.
 
-        * net/tramp-imap.el (tramp-imap-file-name-handler-alist): Ignore
-        `dired-call-process'.
+        * net/tramp-imap.el (tramp-imap-file-name-handler-alist):
+        Ignore `dired-call-process'.
         (tramp-imap-make-iht): Use `user' and `ssl' with `imap-hash-make'.
 
 2009-10-26  Julian Scheid  <julians37@gmail.com>
 
-        * net/tramp.el (tramp-perl-file-name-all-completions): New
-        defconst.
+        * net/tramp.el (tramp-perl-file-name-all-completions): New defconst.
         (tramp-get-remote-readlink): New defun.
         (tramp-handle-file-truename): Use it.
         (tramp-handle-file-exists-p): Check file-attributes cache, assume
@@ -57,8 +60,8 @@
         remote `cd' or Perl code for local tramp-error.
         (tramp-do-copy-or-rename-file-directly): Avoid separate
         tramp-send-command-and-check call.
-        (tramp-handle-process-file): Merge three remote ops into one.  Do
-        not flush all caches when `process-file-side-effects' is set.
+        (tramp-handle-process-file): Merge three remote ops into one.
+        Do not flush all caches when `process-file-side-effects' is set.
         (tramp-handle-write-region): Avoid tramp-set-file-uid-gid if
         file-attributes shows uid/gid to be set already.
 
@@ -93,8 +96,7 @@
         (rmail-secondary-file-regexp):
         * files.el (null-device, file-name-invalid-regexp)
         (locate-dominating-stop-dir-regexp)
-        (inhibit-first-line-modes-regexps): Purecopy initialization
-        strings.
+        (inhibit-first-line-modes-regexps): Purecopy initialization strings.
         (interpreter-mode-alist): Use mapcar instead of mapc.
 
         * buff-menu.el (Buffer-menu-mode-map): Purecopy name.
@@ -195,7 +197,8 @@
         * vc.el (vc-backend-for-registration): Rename from
         vc-get-backend-for-registration.  Update callers.
 
-        * international/mule-cmds.el (set-language-info-alist): Purecopy lang-env.
+        * international/mule-cmds.el (set-language-info-alist):
+        Purecopy lang-env.
         (leim-list-header, leim-list-entry-regexp): Change defvars to defconst.
         (charset): Purecopy the name.
         (define-char-code-property): Purecopy string arguments.
@@ -219,8 +222,8 @@
         (file-cache-choose-completion): Handle an optional event argument.
         (file-cache-mouse-choose-completion): Make it an obsolete alias.
 
-        * progmodes/octave-mod.el (octave-complete-symbol): Use
-        choose-completion if mouse-choose-completion is ever removed.
+        * progmodes/octave-mod.el (octave-complete-symbol):
+        Use choose-completion if mouse-choose-completion is ever removed.
 
         * textmodes/sgml-mode.el (sgml-looking-back-at): Move definition before
         use.
diff --git a/lisp/vc-hg.el b/lisp/vc-hg.el
index 8443257efa2..b5c55d783f6 100644
--- a/lisp/vc-hg.el
+++ b/lisp/vc-hg.el
@@ -159,6 +159,7 @@ 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
@@ -166,9 +167,9 @@ If nil, use the value of `vc-diff-switches'.  If t, use no switches."
             (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))
+                      (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)))))))
@@ -190,6 +191,7 @@ If nil, use the value of `vc-diff-switches'.  If t, use no switches."
   "Hg-specific version of `vc-working-revision'."
   (let*
       ((status nil)
+       (default-directory (file-name-directory file))
        (out
         (with-output-to-string
           (with-current-buffer
@@ -197,9 +199,9 @@ If nil, use the value of `vc-diff-switches'.  If t, use no switches."
             (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))
+                      (process-file
+                       "hg" nil t nil
+                       "log" "-l1" (file-relative-name file))
                     ;; Some problem happened.  E.g. We can't find an `hg'
                     ;; executable.
                     (error nil)))))))
@@ -286,7 +288,6 @@ If nil, use the value of `vc-diff-switches'.  If t, use no switches."
       (setq oldvers working))
     (apply #'vc-hg-command (or buffer "*vc-diff*") nil
            (mapcar (lambda (file) (file-relative-name file cwd)) files)
-           "--cwd" cwd
            "diff"
            (append
             (vc-switches 'hg 'diff)