In the thread at id:87fsfuuxwn.fsf@thinkbox, a bug is discussed where
the point and hl-line overlay get out of sync, leading the user to
open the wrong message. As far as I can tell this is caused by
notmuch-hl-mode being invoked too early.
This change bypasses the logic preventing notmuch-search-hook being
called only once, so that the overlay is updated later after after the
buffer is full(er).
This change may lead to the overlay being updated multiple times; if
this is annoying we can add a similar buffer local variable to ensure
it is only called once.
The extra logic to check notmuch-search-target-line reduces the
flicker somewhat by not highlighting the first line every time.
---
emacs/notmuch.el | 8 ++++++--
test/T312-emacs-hl-line.sh | 2 --
2 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/emacs/notmuch.el b/emacs/notmuch.el
index 934ec894..2d7e0422 100644
--- a/emacs/notmuch.el
+++ b/emacs/notmuch.el
@@ -126,10 +126,9 @@ there will be called at other points of notmuch execution."
:type 'file
:group 'notmuch)
-(defcustom notmuch-search-hook '(notmuch-hl-line-mode)
+(defcustom notmuch-search-hook nil
"List of functions to call when notmuch displays the search results."
:type 'hook
- :options '(notmuch-hl-line-mode)
:group 'notmuch-search
:group 'notmuch-hooks)
@@ -930,6 +929,11 @@ sets the :orig-tag property."
(notmuch-sexp-parse-partial-list 'notmuch-search-append-result
results-buf))
(with-current-buffer results-buf
+ (when (and notmuch-hl-line
+ (>=
+ (line-number-at-pos (point-max) t)
+ (or notmuch-search-target-line -1)))
+ (notmuch-hl-line-mode))
(notmuch--search-hook-wrapper)))))
;;; Commands (and some helper functions used by them)
diff --git a/test/T312-emacs-hl-line.sh b/test/T312-emacs-hl-line.sh
index 4cceed30..4697b671 100755
--- a/test/T312-emacs-hl-line.sh
+++ b/test/T312-emacs-hl-line.sh
@@ -104,7 +104,6 @@ test_emacs_expect_t '(let ((notmuch-hl-line t))
(line-number-at-pos (overlay-start hl-line-overlay))
12))'
test_begin_subtest "line 12, search, refresh"
-test_subtest_known_broken
test_emacs_expect_t '(let ((notmuch-hl-line t))
(notmuch-search "tag:inbox")
(notmuch-test-wait)
@@ -140,7 +139,6 @@ test_emacs_expect_t '(let ((notmuch-hl-line t))
(line-number-at-pos (overlay-start hl-line-overlay))
12))'
test_begin_subtest "hl-line disabled, search"
-test_subtest_known_broken
test_emacs_expect_t '(let ((notmuch-hl-line nil))
(notmuch-search "tag:inbox")
(notmuch-test-wait)
--
2.43.0
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