(defvar rcs-default-co-switches)
(defvar sc-mode)
(defvar cvs-shell)
(defvar cvs-program)
(defvar cvs-cookie-handle)
(defvar ediff-temp-file-prefix)
(and noninteractive
(eval-when-compile
(let ((load-path (cons (expand-file-name ".") load-path)))
(load "pcl-cvs" 'noerror)
(load "rcs" 'noerror)
(or (and (fboundp 'msdos-long-file-names)
(not (msdos-long-file-names)))
(load "generic-sc" 'noerror))
(or (featurep 'ediff-init)
(load "ediff-init.el" nil nil 'nosuffix))
)))
(defcustom ediff-keep-tmp-versions nil
"*If t, do not delete temporary previous versions for the files on which
comparison or merge operations are being performed."
:type 'boolean
:group 'ediff-vers
)
(defun ediff-vc-latest-version (file)
"Return the version level of the latest version of FILE in repository."
(if (fboundp 'vc-latest-version)
(vc-latest-version file)
(or (vc-file-getprop file 'vc-latest-version)
(cond ((vc-backend file)
(vc-call state file)
(vc-file-getprop file 'vc-latest-version))
(t (error "File %s is not under version control" file))))
))
(defun ediff-vc-internal (rev1 rev2 &optional startup-hooks)
(let (file1 file2 rev1buf rev2buf)
(if (string= rev1 "")
(setq rev1 (ediff-vc-latest-version (buffer-file-name))))
(save-window-excursion
(save-excursion
(vc-version-other-window rev1)
(setq rev1buf (current-buffer)
file1 (buffer-file-name)))
(save-excursion
(or (string= rev2 "") (vc-version-other-window rev2))
(setq rev2buf (current-buffer)
file2 (buffer-file-name)))
(setq startup-hooks
(cons `(lambda ()
(ediff-delete-version-file ,file1)
(or ,(string= rev2 "") (ediff-delete-version-file ,file2)))
startup-hooks)))
(ediff-buffers
rev1buf rev2buf
startup-hooks
'ediff-revision)))
(defun rcs-ediff-view-revision (&optional rev)
(interactive (list (if current-prefix-arg
(read-string "Revision: "))))
(let* ((filename (buffer-file-name (current-buffer)))
(switches (append '("-p")
(if rev (list (concat "-r" rev)) nil)))
(buff (concat (file-name-nondirectory filename) ".~" rev "~")))
(message "Working ...")
(setq filename (expand-file-name filename))
(with-output-to-temp-buffer buff
(ediff-with-current-buffer standard-output
(fundamental-mode))
(let ((output-buffer (ediff-rcs-get-output-buffer filename buff)))
(delete-windows-on output-buffer)
(save-excursion
(set-buffer output-buffer)
(apply 'call-process "co" nil t nil
(append switches rcs-default-co-switches
(list "-q" filename)))))
(message "")
buff)))
(defun ediff-rcs-get-output-buffer (file name)
(let* ((default-major-mode 'fundamental-mode) (buf (get-buffer-create name)))
(save-excursion
(set-buffer buf)
(setq buffer-read-only nil
default-directory (file-name-directory (expand-file-name file)))
(erase-buffer))
buf))
(defun ediff-rcs-internal (rev1 rev2 &optional startup-hooks)
(let (rev2buf rev1buf)
(save-window-excursion
(setq rev2buf (if (string= rev2 "")
(current-buffer)
(rcs-ediff-view-revision rev2))
rev1buf (rcs-ediff-view-revision rev1)))
(ediff-buffers rev1buf rev2buf startup-hooks 'ediff-revision)
))
(defun generic-sc-get-latest-rev ()
(cond ((eq sc-mode 'CCASE)
(eval "main/LATEST"))
(t (eval ""))))
(defun ediff-generic-sc-internal (rev1 rev2 &optional startup-hooks)
(let (rev1buf rev2buf)
(save-excursion
(if (or (not rev1) (string= rev1 ""))
(setq rev1 (generic-sc-get-latest-rev)))
(sc-visit-previous-revision rev1)
(setq rev1buf (current-buffer)))
(save-excursion
(or (string= rev2 "") (sc-visit-previous-revision rev2))
(setq rev2buf (current-buffer)))
(ediff-buffers rev1buf rev2buf startup-hooks 'ediff-revision)))
(defun ediff-vc-merge-internal (rev1 rev2 ancestor-rev
&optional startup-hooks merge-buffer-file)
(let (buf1 buf2 ancestor-buf)
(save-window-excursion
(save-excursion
(vc-version-other-window rev1)
(setq buf1 (current-buffer)))
(save-excursion
(or (string= rev2 "")
(vc-version-other-window rev2))
(setq buf2 (current-buffer)))
(if ancestor-rev
(save-excursion
(if (string= ancestor-rev "")
(setq ancestor-rev (vc-workfile-version buffer-file-name)))
(vc-version-other-window ancestor-rev)
(setq ancestor-buf (current-buffer))))
(setq startup-hooks
(cons
`(lambda ()
(ediff-delete-version-file ,(buffer-file-name buf1))
(or ,(string= rev2 "")
(ediff-delete-version-file ,(buffer-file-name buf2)))
(or ,(string= ancestor-rev "")
,(not ancestor-rev)
(ediff-delete-version-file ,(buffer-file-name ancestor-buf)))
)
startup-hooks)))
(if ancestor-rev
(ediff-merge-buffers-with-ancestor
buf1 buf2 ancestor-buf
startup-hooks 'ediff-merge-revisions-with-ancestor merge-buffer-file)
(ediff-merge-buffers
buf1 buf2 startup-hooks 'ediff-merge-revisions merge-buffer-file))
))
(defun ediff-rcs-merge-internal (rev1 rev2 ancestor-rev
&optional
startup-hooks merge-buffer-file)
(let (buf1 buf2 ancestor-buf)
(save-window-excursion
(setq buf1 (rcs-ediff-view-revision rev1)
buf2 (if (string= rev2 "")
(current-buffer)
(rcs-ediff-view-revision rev2))
ancestor-buf (if ancestor-rev
(if (string= ancestor-rev "")
(current-buffer)
(rcs-ediff-view-revision ancestor-rev)))))
(if ancestor-rev
(ediff-merge-buffers-with-ancestor
buf1 buf2 ancestor-buf
startup-hooks 'ediff-merge-revisions-with-ancestor merge-buffer-file)
(ediff-merge-buffers
buf1 buf2 startup-hooks 'ediff-merge-revisions merge-buffer-file))))
(defun ediff-generic-sc-merge-internal (rev1 rev2 ancestor-rev
&optional
startup-hooks merge-buffer-file)
(let (buf1 buf2 ancestor-buf)
(save-excursion
(if (string= rev1 "")
(setq rev1 (generic-sc-get-latest-rev)))
(sc-visit-previous-revision rev1)
(setq buf1 (current-buffer)))
(save-excursion
(or (string= rev2 "")
(sc-visit-previous-revision rev2))
(setq buf2 (current-buffer)))
(if ancestor-rev
(save-excursion
(or (string= ancestor-rev "")
(sc-visit-previous-revision ancestor-rev))
(setq ancestor-buf (current-buffer))))
(if ancestor-rev
(ediff-merge-buffers-with-ancestor
buf1 buf2 ancestor-buf
startup-hooks 'ediff-merge-revisions-with-ancestor merge-buffer-file)
(ediff-merge-buffers
buf1 buf2 startup-hooks 'ediff-merge-revisions merge-buffer-file))))
(defun cvs-run-ediff-on-file-descriptor (tin)
(let* ((fileinfo (tin-cookie cvs-cookie-handle tin))
(type (cvs-fileinfo->type fileinfo))
(tmp-file
(cvs-retrieve-revision-to-tmpfile fileinfo))
(default-directory
(file-name-as-directory (cvs-fileinfo->dir fileinfo)))
ancestor-file)
(or (memq type '(MERGED CONFLICT MODIFIED))
(error
"Can only merge `Modified', `Merged' or `Conflict' files"))
(cond ((memq type '(MERGED CONFLICT))
(setq ancestor-file
(cvs-retrieve-revision-to-tmpfile
fileinfo
(cvs-fileinfo->base-revision fileinfo)))
(ediff-merge-buffers-with-ancestor
(find-file-noselect tmp-file)
(find-file-noselect (cvs-fileinfo->backup-file fileinfo))
(find-file-noselect ancestor-file)
nil 'ediff-merge-revisions-with-ancestor))
((eq type 'MODIFIED)
(ediff-buffers
(find-file-noselect tmp-file)
(if (featurep 'xemacs)
(find-file-noselect (cvs-fileinfo->full-path fileinfo))
(find-file-noselect (cvs-fileinfo->full-name fileinfo)))
nil 'ediff-revisions)))
(if (stringp tmp-file) (ediff-delete-version-file tmp-file))
(if (stringp ancestor-file) (ediff-delete-version-file ancestor-file))))
(defun ediff-delete-version-file (file)
(or ediff-keep-tmp-versions (delete-file file)))
(provide 'ediff-vers)