master e7c105fd73: ; Mention git bisect's --first-parent in admin/notes/repo

[Gerd Moellmann]

branch: master
commit e7c105fd73dbede4d00c1f26ad2273d49fabd0da
Author: Gerd Möllmann <gerd@gnu.org>
Commit: Gerd Möllmann <gerd@gnu.org>

    ; Mention git bisect's --first-parent in admin/notes/repo
---
 admin/notes/repo | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/admin/notes/repo b/admin/notes/repo
index 2185c5a003..afba3dca8f 100644
--- a/admin/notes/repo
+++ b/admin/notes/repo
@@ -128,6 +128,11 @@ again.
 This is a semi-automated way to find the revision that introduced a bug.
 Browse 'git help bisect' for technical instructions.
 
+Depending on what you want to do, it can be helpful to start bisecing
+with the option '--first-parent', like `git bisect start
+--first-parent', which makes bisect ignore commits coming into a
+branch from merges.
+
 * Maintaining ChangeLog history
 
 Older ChangeLog entries are kept in history files named ChangeLog.1,