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authorJunio C Hamano <>2016-04-08 21:34:11 (GMT)
committerJunio C Hamano <>2016-04-08 21:34:11 (GMT)
commit7b0d47b3b6b5b64e02a5aa06b0452cadcdb18355 (patch)
parent4af4612466ad26e2da8e03558487dd38b2ee68ba (diff)
Third batch for post 2.8 cycle
Signed-off-by: Junio C Hamano <>
1 files changed, 24 insertions, 0 deletions
diff --git a/Documentation/RelNotes/2.9.0.txt b/Documentation/RelNotes/2.9.0.txt
index 0a8b3ea..9165443 100644
--- a/Documentation/RelNotes/2.9.0.txt
+++ b/Documentation/RelNotes/2.9.0.txt
@@ -8,6 +8,10 @@ The end-user facing Porcelain level commands in the "git diff" and
"git log" by default enables the rename detection; you can still use
"diff.renames" configuration variable to disable this.
+Merging two branches that have no common ancestor with "git merge" is
+by default forbidden now to prevent creating such an unusual merge by
Updates since v2.8
@@ -39,6 +43,21 @@ UI, Workflows & Features
configuration variable, tag.forceSignAnnotated, can be used to tell
the command to create signed tag in such a situation.
+ * "git merge" used to allow merging two branches that have no common
+ base by default, which led to a brand new history of an existing
+ project created and then get pulled by an unsuspecting maintainer,
+ which allowed an unnecessary parallel history merged into the
+ existing project. The command has been taught not to allow this by
+ default, with an escape hatch "--allow-unrelated-histories" option
+ to be used in a rare event that merges histories of two projects
+ that started their lives independently.
+ (merge e379fdf jc/merge-refuse-new-root later to maint).
+ * "git apply -v" learned to report paths in the patch that were
+ skipped via --include/--exclude mechanism or being outside the
+ current working directory.
+ (merge 3f57944 nd/apply-report-skip later to maint).
Performance, Internal Implementation, Development Support etc.
@@ -70,6 +89,8 @@ Performance, Internal Implementation, Development Support etc.
configuration in /etc/gitconfig to the tested environment.
(merge 1fad503 jk/test-httpd-config-nosystem later to maint).
+ * Build updates for MSVC.
+ (merge 0ef60af ss/msvc later to maint).
Also contains various documentation updates and code clean-ups.
@@ -131,3 +152,6 @@ notes for details).
(merge dde7891 pb/t7502-drop-dup later to maint).
(merge 3bd1b51 cc/doc-recommend-performance-trace-to-file later to maint).
(merge 7d5e9c9 jk/credential-cache-comment-exit later to maint).
+ (merge 16a86d4 nd/apply-doc later to maint).
+ (merge c3f6b85 pb/opt-cmdmode-doc later to maint).
+ (merge 30211fb oa/doc-diff-check later to maint).