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[Emacs-diffs] master 1face76: Revert the disputed VC change and update t
From: |
Dmitry Gutov |
Subject: |
[Emacs-diffs] master 1face76: Revert the disputed VC change and update the tests |
Date: |
Sun, 24 Apr 2016 20:34:22 +0000 |
branch: master
commit 1face76ba6d19b269310ddbb0a6a618a3bfe54a2
Author: Dmitry Gutov <address@hidden>
Commit: Dmitry Gutov <address@hidden>
Revert the disputed VC change and update the tests
* lisp/vc/vc-hooks.el (vc-working-revision):
Remove the previous change.
(vc-state): Same. And update the old, incorrect comment about
unregistered files
(http://lists.gnu.org/archive/html/emacs-devel/2016-04/msg00526.html).
* test/lisp/vc/vc-tests.el (vc-test--state): Remove the check
calling `vc-state' on default-directory (VC state is undefined
for directories). Check that `vc-state' returns nil where it
returned `unregistered' before. Remove all checks comparing
invocations with the backend passed in explictly and without.
(vc-test--working-revision): Remove all checks comparing
invocations with the backend passed in explictly and without.
Update comments, and add a new one.
---
lisp/vc/vc-hooks.el | 30 +++++++++++++------------
test/lisp/vc/vc-tests.el | 55 ++++++++++++++--------------------------------
2 files changed, 32 insertions(+), 53 deletions(-)
diff --git a/lisp/vc/vc-hooks.el b/lisp/vc/vc-hooks.el
index 4047bca..6b4cd6a 100644
--- a/lisp/vc/vc-hooks.el
+++ b/lisp/vc/vc-hooks.el
@@ -468,18 +468,21 @@ status of this file. Otherwise, the value returned is
one of:
`unregistered' The file is not under version control."
- ;; Note: in Emacs 22 and older, return of nil meant the file was
- ;; unregistered. This is potentially a source of
- ;; backward-compatibility bugs.
+ ;; Note: we usually return nil here for unregistered files anyway
+ ;; when called with only one argument. This doesn't seem to cause
+ ;; any problems. But if we wanted to change that, we should
+ ;; probably opt for redefining the `registered' command to return
+ ;; non-nil even for unregistered files (maybe also rename it), and
+ ;; then make sure that all `state' implementations handle
+ ;; unregistered file appropriately.
;; FIXME: New (sub)states needed (?):
;; - `copied' and `moved' (might be handled by `removed' and `added')
(or (vc-file-getprop file 'vc-state)
- (and (not (vc-registered file)) 'unregistered)
(when (> (length file) 0) ;Why?? --Stef
- (setq backend (or backend (vc-responsible-backend file)))
- (when backend
- (vc-state-refresh file backend)))))
+ (setq backend (or backend (vc-backend file)))
+ (when backend
+ (vc-state-refresh file backend)))))
(defun vc-state-refresh (file backend)
"Quickly recompute the `state' of FILE."
@@ -495,13 +498,12 @@ status of this file. Otherwise, the value returned is
one of:
"Return the repository version from which FILE was checked out.
If FILE is not registered, this function always returns nil."
(or (vc-file-getprop file 'vc-working-revision)
- (and (vc-registered file)
- (progn
- (setq backend (or backend (vc-responsible-backend file)))
- (when backend
- (vc-file-setprop file 'vc-working-revision
- (vc-call-backend
- backend 'working-revision file)))))))
+ (progn
+ (setq backend (or backend (vc-backend file)))
+ (when backend
+ (vc-file-setprop file 'vc-working-revision
+ (vc-call-backend
+ backend 'working-revision file))))))
;; Backward compatibility.
(define-obsolete-function-alias
diff --git a/test/lisp/vc/vc-tests.el b/test/lisp/vc/vc-tests.el
index 793ad82..ac10ce2 100644
--- a/test/lisp/vc/vc-tests.el
+++ b/test/lisp/vc/vc-tests.el
@@ -316,46 +316,31 @@ This checks also `vc-backend' and
`vc-responsible-backend'."
'vc-test--cleanup-hook
`(lambda () (delete-directory ,default-directory 'recursive)))
- ;; Create empty repository. Check repository state.
+ ;; Create empty repository.
(make-directory default-directory)
(vc-test--create-repo-function backend)
- ;; FIXME: The state shall be unregistered only.
- ;; nil: RCS
- ;; unregistered: Bzr CVS Git Hg Mtn SCCS SRC
- ;; up-to-date: SVN
- (message "vc-state1 %s" (vc-state default-directory))
- (should (eq (vc-state default-directory)
- (vc-state default-directory backend)))
- (should (memq (vc-state default-directory)
- '(nil unregistered up-to-date)))
-
(let ((tmp-name (expand-file-name "foo" default-directory)))
;; Check state of a nonexistent file.
- ;; unregistered: Bzr CVS Git Hg Mtn RCS SCCS SRC SVN
(message "vc-state2 %s" (vc-state tmp-name))
- (should (eq (vc-state tmp-name) (vc-state tmp-name backend)))
- (should (eq (vc-state tmp-name) 'unregistered))
+ (should (null (vc-state tmp-name)))
;; Write a new file. Check state.
(write-region "foo" nil tmp-name nil 'nomessage)
- ;; unregistered: Bzr CVS Git Hg Mtn RCS SCCS SRC SVN
(message "vc-state3 %s" (vc-state tmp-name))
- (should (eq (vc-state tmp-name) (vc-state tmp-name backend)))
- (should (eq (vc-state tmp-name) 'unregistered))
+ (should (null (vc-state tmp-name)))
;; Register a file. Check state.
(vc-register
(list backend (list (file-name-nondirectory tmp-name))))
- ;; FIXME: nil seems to be wrong.
+ ;; FIXME: nil is definitely wrong.
;; nil: SRC
;; added: Bzr CVS Git Hg Mtn SVN
;; up-to-date: RCS SCCS
(message "vc-state4 %s" (vc-state tmp-name))
- (should (eq (vc-state tmp-name) (vc-state tmp-name backend)))
(should (memq (vc-state tmp-name) '(nil added up-to-date)))
;; Unregister the file. Check state.
@@ -363,11 +348,10 @@ This checks also `vc-backend' and
`vc-responsible-backend'."
'vc-test--unregister-function backend tmp-name)
'vc-not-supported)
(message "vc-state5 unsupported")
- ;; unregistered: Bzr Git Hg RCS
+ ;; nil: Bzr Git Hg RCS
;; unsupported: CVS Mtn SCCS SRC SVN
(message "vc-state5 %s" (vc-state tmp-name))
- (should (eq (vc-state tmp-name) (vc-state tmp-name backend)))
- (should (memq (vc-state tmp-name) '(unregistered))))))
+ (should (null (vc-state tmp-name))))))
;; Save exit.
(ignore-errors (run-hooks 'vc-test--cleanup-hook)))))
@@ -399,41 +383,36 @@ This checks also `vc-backend' and
`vc-responsible-backend'."
;; "0": SVN
(message
"vc-working-revision1 %s" (vc-working-revision default-directory))
- (should (eq (vc-working-revision default-directory)
- (vc-working-revision default-directory backend)))
- (should (member (vc-working-revision default-directory) '(nil "0")))
+ (should (member (vc-working-revision default-directory) '(nil "0")))
(let ((tmp-name (expand-file-name "foo" default-directory)))
;; Check initial working revision, should be nil until
;; it's registered.
- ;; nil: Bzr CVS Git Hg Mtn RCS SCCS SRC SVN
(message "vc-working-revision2 %s" (vc-working-revision tmp-name))
- (should (eq (vc-working-revision tmp-name)
- (vc-working-revision tmp-name backend)))
- (should-not (vc-working-revision tmp-name))
+ (should-not (vc-working-revision tmp-name))
;; Write a new file. Check working revision.
(write-region "foo" nil tmp-name nil 'nomessage)
- ;; nil: Bzr CVS Git Hg Mtn RCS SCCS SRC SVN
(message "vc-working-revision3 %s" (vc-working-revision tmp-name))
- (should (eq (vc-working-revision tmp-name)
- (vc-working-revision tmp-name backend)))
- (should-not (vc-working-revision tmp-name))
+ (should-not (vc-working-revision tmp-name))
;; Register a file. Check working revision.
(vc-register
(list backend (list (file-name-nondirectory tmp-name))))
- ;; FIXME: nil doesn't seem to be proper.
+ ;; XXX: nil is fine, at least in Git's case, because
+ ;; `vc-register' only makes the file `added' in this case.
;; nil: Git Mtn
;; "0": Bzr CVS Hg SRC SVN
;; "1.1": RCS SCCS
(message "vc-working-revision4 %s" (vc-working-revision tmp-name))
- (should (eq (vc-working-revision tmp-name)
- (vc-working-revision tmp-name backend)))
- (should (member (vc-working-revision tmp-name) '(nil "0" "1.1")))
+ (should (member (vc-working-revision tmp-name) '(nil "0" "1.1")))
+
+ ;; TODO: Call `vc-checkin', and check the resulting
+ ;; working revision. None of the return values should be
+ ;; nil then.
;; Unregister the file. Check working revision.
(if (eq (vc-test--run-maybe-unsupported-function
@@ -443,8 +422,6 @@ This checks also `vc-backend' and `vc-responsible-backend'."
;; nil: Bzr Git Hg RCS
;; unsupported: CVS Mtn SCCS SRC SVN
(message "vc-working-revision5 %s" (vc-working-revision
tmp-name))
- (should (eq (vc-working-revision tmp-name)
- (vc-working-revision tmp-name backend)))
(should-not (vc-working-revision tmp-name)))))
;; Save exit.
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