From 21531927e4e1b9fdf524983414ee59558cb4f3d6 Mon Sep 17 00:00:00 2001
From: Junio C Hamano <gitster@pobox.com>
Date: Thu, 30 Jul 2020 10:06:42 -0700
Subject: [PATCH] Revert "fmt-merge-msg: stop treating `master` specially"

This reverts commit 489947cee5095b168cbac111ff7bd1eadbbd90dd, which
stopped treating merges into the 'master' branch as special when
preparing the default merge message.  As the goal was not to have
any single branch designated as special, it solved it by leaving the
"into <branchname>" at the end of the title of the default merge
message for any and all branches.  An obvious and easy alternative
to treat everybody equally could have been to remove it for every
branch, but that involves loss of information.

We'll introduce a new mechanism to let end-users specify merges into
which branches would omit the "into <branchname>" from the title of
the default merge message, and make the mechanism, when unconfigured,
treat the traditional 'master' special again, so all the changes to
the tests we made earlier will become unnecessary, as these tests
will be run without configuring the said new mechanism.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
 fmt-merge-msg.c                               |  5 +-
 t/t1507-rev-parse-upstream.sh                 |  2 +-
 t/t4013-diff-various.sh                       |  4 +-
 t/t4013/diff.log_--decorate=full_--all        |  2 +-
 t/t4013/diff.log_--decorate_--all             |  2 +-
 ...--patch-with-stat_--summary_master_--_dir_ |  2 +-
 t/t4013/diff.log_--patch-with-stat_master     |  2 +-
 .../diff.log_--patch-with-stat_master_--_dir_ |  2 +-
 ...ot_--cc_--patch-with-stat_--summary_master |  2 +-
 ..._--root_--patch-with-stat_--summary_master |  2 +-
 .../diff.log_--root_--patch-with-stat_master  |  2 +-
 ...root_-c_--patch-with-stat_--summary_master |  2 +-
 t/t4013/diff.log_--root_-p_master             |  2 +-
 t/t4013/diff.log_--root_master                |  2 +-
 t/t4013/diff.log_-m_-p_--first-parent_master  |  2 +-
 t/t4013/diff.log_-m_-p_master                 |  4 +-
 t/t4013/diff.log_-p_--first-parent_master     |  2 +-
 t/t4013/diff.log_-p_master                    |  2 +-
 t/t4013/diff.log_master                       |  2 +-
 t/t4013/diff.show_--first-parent_master       |  2 +-
 t/t4013/diff.show_-c_master                   |  2 +-
 t/t4013/diff.show_-m_master                   |  4 +-
 t/t4013/diff.show_master                      |  2 +-
 ...ot_--cc_--patch-with-stat_--summary_master |  2 +-
 ...root_-c_--patch-with-stat_--summary_master |  2 +-
 t/t4202-log.sh                                | 72 +++++++++----------
 t/t6200-fmt-merge-msg.sh                      | 36 +++++-----
 t/t7600-merge.sh                              | 14 ++--
 t/t7608-merge-messages.sh                     | 10 +--
 29 files changed, 97 insertions(+), 94 deletions(-)

diff --git a/fmt-merge-msg.c b/fmt-merge-msg.c
index cfb8ff2f33f9f3..72d32bd73b11dd 100644
--- a/fmt-merge-msg.c
+++ b/fmt-merge-msg.c
@@ -451,7 +451,10 @@ static void fmt_merge_msg_title(struct strbuf *out,
 			strbuf_addf(out, " of %s", srcs.items[i].string);
 	}
 
-	strbuf_addf(out, " into %s\n", current_branch);
+	if (!strcmp("master", current_branch))
+		strbuf_addch(out, '\n');
+	else
+		strbuf_addf(out, " into %s\n", current_branch);
 }
 
 static void fmt_tag_signature(struct strbuf *tagbuf,
diff --git a/t/t1507-rev-parse-upstream.sh b/t/t1507-rev-parse-upstream.sh
index f213aa80538078..dfc0d96d8a8a83 100755
--- a/t/t1507-rev-parse-upstream.sh
+++ b/t/t1507-rev-parse-upstream.sh
@@ -137,7 +137,7 @@ test_expect_success 'merge my-side@{u} records the correct name' '
 	git branch -t new my-side@{u} &&
 	git merge -s ours new@{u} &&
 	git show -s --pretty=tformat:%s >actual &&
-	echo "Merge remote-tracking branch ${SQ}origin/side${SQ} into master" >expect &&
+	echo "Merge remote-tracking branch ${SQ}origin/side${SQ}" >expect &&
 	test_cmp expect actual
 )
 '
diff --git a/t/t4013-diff-various.sh b/t/t4013-diff-various.sh
index 43267d6024fb70..3f60f7d96ce199 100755
--- a/t/t4013-diff-various.sh
+++ b/t/t4013-diff-various.sh
@@ -117,12 +117,12 @@ test_expect_success setup '
 
 : <<\EOF
 ! [initial] Initial
- * [master] Merge branch 'side' into master
+ * [master] Merge branch 'side'
   ! [rearrange] Rearranged lines in dir/sub
    ! [side] Side
 ----
   +  [rearrange] Rearranged lines in dir/sub
- -   [master] Merge branch 'side' into master
+ -   [master] Merge branch 'side'
  * + [side] Side
  *   [master^] Third
  *   [master~2] Second
diff --git a/t/t4013/diff.log_--decorate=full_--all b/t/t4013/diff.log_--decorate=full_--all
index c56783b9854f2e..3f9b872eceb734 100644
--- a/t/t4013/diff.log_--decorate=full_--all
+++ b/t/t4013/diff.log_--decorate=full_--all
@@ -31,7 +31,7 @@ Merge: 9a6d494 c7a2ab9
 Author: A U Thor <author@example.com>
 Date:   Mon Jun 26 00:04:00 2006 +0000
 
-    Merge branch 'side' into master
+    Merge branch 'side'
 
 commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a (refs/heads/side)
 Author: A U Thor <author@example.com>
diff --git a/t/t4013/diff.log_--decorate_--all b/t/t4013/diff.log_--decorate_--all
index 1cbdc038f41c84..f5e20e1e14aaef 100644
--- a/t/t4013/diff.log_--decorate_--all
+++ b/t/t4013/diff.log_--decorate_--all
@@ -31,7 +31,7 @@ Merge: 9a6d494 c7a2ab9
 Author: A U Thor <author@example.com>
 Date:   Mon Jun 26 00:04:00 2006 +0000
 
-    Merge branch 'side' into master
+    Merge branch 'side'
 
 commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a (side)
 Author: A U Thor <author@example.com>
diff --git a/t/t4013/diff.log_--patch-with-stat_--summary_master_--_dir_ b/t/t4013/diff.log_--patch-with-stat_--summary_master_--_dir_
index f5b1b6516b9074..a18f1472a9a4b5 100644
--- a/t/t4013/diff.log_--patch-with-stat_--summary_master_--_dir_
+++ b/t/t4013/diff.log_--patch-with-stat_--summary_master_--_dir_
@@ -4,7 +4,7 @@ Merge: 9a6d494 c7a2ab9
 Author: A U Thor <author@example.com>
 Date:   Mon Jun 26 00:04:00 2006 +0000
 
-    Merge branch 'side' into master
+    Merge branch 'side'
 
 commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
 Author: A U Thor <author@example.com>
diff --git a/t/t4013/diff.log_--patch-with-stat_master b/t/t4013/diff.log_--patch-with-stat_master
index af23803cdcd8f5..ae425c4672200a 100644
--- a/t/t4013/diff.log_--patch-with-stat_master
+++ b/t/t4013/diff.log_--patch-with-stat_master
@@ -4,7 +4,7 @@ Merge: 9a6d494 c7a2ab9
 Author: A U Thor <author@example.com>
 Date:   Mon Jun 26 00:04:00 2006 +0000
 
-    Merge branch 'side' into master
+    Merge branch 'side'
 
 commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
 Author: A U Thor <author@example.com>
diff --git a/t/t4013/diff.log_--patch-with-stat_master_--_dir_ b/t/t4013/diff.log_--patch-with-stat_master_--_dir_
index 814098fbf875df..d5207cadf4483a 100644
--- a/t/t4013/diff.log_--patch-with-stat_master_--_dir_
+++ b/t/t4013/diff.log_--patch-with-stat_master_--_dir_
@@ -4,7 +4,7 @@ Merge: 9a6d494 c7a2ab9
 Author: A U Thor <author@example.com>
 Date:   Mon Jun 26 00:04:00 2006 +0000
 
-    Merge branch 'side' into master
+    Merge branch 'side'
 
 commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
 Author: A U Thor <author@example.com>
diff --git a/t/t4013/diff.log_--root_--cc_--patch-with-stat_--summary_master b/t/t4013/diff.log_--root_--cc_--patch-with-stat_--summary_master
index b927fe4a98e43c..0fc1e8cd71fee3 100644
--- a/t/t4013/diff.log_--root_--cc_--patch-with-stat_--summary_master
+++ b/t/t4013/diff.log_--root_--cc_--patch-with-stat_--summary_master
@@ -4,7 +4,7 @@ Merge: 9a6d494 c7a2ab9
 Author: A U Thor <author@example.com>
 Date:   Mon Jun 26 00:04:00 2006 +0000
 
-    Merge branch 'side' into master
+    Merge branch 'side'
 
  dir/sub | 2 ++
  file0   | 3 +++
diff --git a/t/t4013/diff.log_--root_--patch-with-stat_--summary_master b/t/t4013/diff.log_--root_--patch-with-stat_--summary_master
index 6db3cea32952fb..dffc09dde9e031 100644
--- a/t/t4013/diff.log_--root_--patch-with-stat_--summary_master
+++ b/t/t4013/diff.log_--root_--patch-with-stat_--summary_master
@@ -4,7 +4,7 @@ Merge: 9a6d494 c7a2ab9
 Author: A U Thor <author@example.com>
 Date:   Mon Jun 26 00:04:00 2006 +0000
 
-    Merge branch 'side' into master
+    Merge branch 'side'
 
 commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
 Author: A U Thor <author@example.com>
diff --git a/t/t4013/diff.log_--root_--patch-with-stat_master b/t/t4013/diff.log_--root_--patch-with-stat_master
index 98e9c320c32dea..55aa98012dece9 100644
--- a/t/t4013/diff.log_--root_--patch-with-stat_master
+++ b/t/t4013/diff.log_--root_--patch-with-stat_master
@@ -4,7 +4,7 @@ Merge: 9a6d494 c7a2ab9
 Author: A U Thor <author@example.com>
 Date:   Mon Jun 26 00:04:00 2006 +0000
 
-    Merge branch 'side' into master
+    Merge branch 'side'
 
 commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
 Author: A U Thor <author@example.com>
diff --git a/t/t4013/diff.log_--root_-c_--patch-with-stat_--summary_master b/t/t4013/diff.log_--root_-c_--patch-with-stat_--summary_master
index b61b1117ae58f7..019d85f7de6c2d 100644
--- a/t/t4013/diff.log_--root_-c_--patch-with-stat_--summary_master
+++ b/t/t4013/diff.log_--root_-c_--patch-with-stat_--summary_master
@@ -4,7 +4,7 @@ Merge: 9a6d494 c7a2ab9
 Author: A U Thor <author@example.com>
 Date:   Mon Jun 26 00:04:00 2006 +0000
 
-    Merge branch 'side' into master
+    Merge branch 'side'
 
  dir/sub | 2 ++
  file0   | 3 +++
diff --git a/t/t4013/diff.log_--root_-p_master b/t/t4013/diff.log_--root_-p_master
index 345bd9e8a905e1..b42c334439b71c 100644
--- a/t/t4013/diff.log_--root_-p_master
+++ b/t/t4013/diff.log_--root_-p_master
@@ -4,7 +4,7 @@ Merge: 9a6d494 c7a2ab9
 Author: A U Thor <author@example.com>
 Date:   Mon Jun 26 00:04:00 2006 +0000
 
-    Merge branch 'side' into master
+    Merge branch 'side'
 
 commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
 Author: A U Thor <author@example.com>
diff --git a/t/t4013/diff.log_--root_master b/t/t4013/diff.log_--root_master
index db56b1fe6b2761..e8f46159da1e5c 100644
--- a/t/t4013/diff.log_--root_master
+++ b/t/t4013/diff.log_--root_master
@@ -4,7 +4,7 @@ Merge: 9a6d494 c7a2ab9
 Author: A U Thor <author@example.com>
 Date:   Mon Jun 26 00:04:00 2006 +0000
 
-    Merge branch 'side' into master
+    Merge branch 'side'
 
 commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
 Author: A U Thor <author@example.com>
diff --git a/t/t4013/diff.log_-m_-p_--first-parent_master b/t/t4013/diff.log_-m_-p_--first-parent_master
index bcadb50e26d000..7a0073f5296b19 100644
--- a/t/t4013/diff.log_-m_-p_--first-parent_master
+++ b/t/t4013/diff.log_-m_-p_--first-parent_master
@@ -4,7 +4,7 @@ Merge: 9a6d494 c7a2ab9
 Author: A U Thor <author@example.com>
 Date:   Mon Jun 26 00:04:00 2006 +0000
 
-    Merge branch 'side' into master
+    Merge branch 'side'
 
 diff --git a/dir/sub b/dir/sub
 index cead32e..992913c 100644
diff --git a/t/t4013/diff.log_-m_-p_master b/t/t4013/diff.log_-m_-p_master
index 2acf43a9fbe113..9ca62a01ed2bea 100644
--- a/t/t4013/diff.log_-m_-p_master
+++ b/t/t4013/diff.log_-m_-p_master
@@ -4,7 +4,7 @@ Merge: 9a6d494 c7a2ab9
 Author: A U Thor <author@example.com>
 Date:   Mon Jun 26 00:04:00 2006 +0000
 
-    Merge branch 'side' into master
+    Merge branch 'side'
 
 diff --git a/dir/sub b/dir/sub
 index cead32e..992913c 100644
@@ -33,7 +33,7 @@ Merge: 9a6d494 c7a2ab9
 Author: A U Thor <author@example.com>
 Date:   Mon Jun 26 00:04:00 2006 +0000
 
-    Merge branch 'side' into master
+    Merge branch 'side'
 
 diff --git a/dir/sub b/dir/sub
 index 7289e35..992913c 100644
diff --git a/t/t4013/diff.log_-p_--first-parent_master b/t/t4013/diff.log_-p_--first-parent_master
index c6a5876d8000b7..3fc896d424f947 100644
--- a/t/t4013/diff.log_-p_--first-parent_master
+++ b/t/t4013/diff.log_-p_--first-parent_master
@@ -4,7 +4,7 @@ Merge: 9a6d494 c7a2ab9
 Author: A U Thor <author@example.com>
 Date:   Mon Jun 26 00:04:00 2006 +0000
 
-    Merge branch 'side' into master
+    Merge branch 'side'
 
 commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
 Author: A U Thor <author@example.com>
diff --git a/t/t4013/diff.log_-p_master b/t/t4013/diff.log_-p_master
index 1841cded94fdf7..bf1326dc366290 100644
--- a/t/t4013/diff.log_-p_master
+++ b/t/t4013/diff.log_-p_master
@@ -4,7 +4,7 @@ Merge: 9a6d494 c7a2ab9
 Author: A U Thor <author@example.com>
 Date:   Mon Jun 26 00:04:00 2006 +0000
 
-    Merge branch 'side' into master
+    Merge branch 'side'
 
 commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
 Author: A U Thor <author@example.com>
diff --git a/t/t4013/diff.log_master b/t/t4013/diff.log_master
index f8ec445eb3ee7c..a8f6ce5abd642e 100644
--- a/t/t4013/diff.log_master
+++ b/t/t4013/diff.log_master
@@ -4,7 +4,7 @@ Merge: 9a6d494 c7a2ab9
 Author: A U Thor <author@example.com>
 Date:   Mon Jun 26 00:04:00 2006 +0000
 
-    Merge branch 'side' into master
+    Merge branch 'side'
 
 commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
 Author: A U Thor <author@example.com>
diff --git a/t/t4013/diff.show_--first-parent_master b/t/t4013/diff.show_--first-parent_master
index 94548f4598508f..3dcbe473a0d2a7 100644
--- a/t/t4013/diff.show_--first-parent_master
+++ b/t/t4013/diff.show_--first-parent_master
@@ -4,7 +4,7 @@ Merge: 9a6d494 c7a2ab9
 Author: A U Thor <author@example.com>
 Date:   Mon Jun 26 00:04:00 2006 +0000
 
-    Merge branch 'side' into master
+    Merge branch 'side'
 
 diff --git a/dir/sub b/dir/sub
 index cead32e..992913c 100644
diff --git a/t/t4013/diff.show_-c_master b/t/t4013/diff.show_-c_master
index 1c46ed64fd6563..81aba8da96c05d 100644
--- a/t/t4013/diff.show_-c_master
+++ b/t/t4013/diff.show_-c_master
@@ -4,7 +4,7 @@ Merge: 9a6d494 c7a2ab9
 Author: A U Thor <author@example.com>
 Date:   Mon Jun 26 00:04:00 2006 +0000
 
-    Merge branch 'side' into master
+    Merge branch 'side'
 
 diff --combined dir/sub
 index cead32e,7289e35..992913c
diff --git a/t/t4013/diff.show_-m_master b/t/t4013/diff.show_-m_master
index 7559fc22f80407..4ea2ee453d5e18 100644
--- a/t/t4013/diff.show_-m_master
+++ b/t/t4013/diff.show_-m_master
@@ -4,7 +4,7 @@ Merge: 9a6d494 c7a2ab9
 Author: A U Thor <author@example.com>
 Date:   Mon Jun 26 00:04:00 2006 +0000
 
-    Merge branch 'side' into master
+    Merge branch 'side'
 
 diff --git a/dir/sub b/dir/sub
 index cead32e..992913c 100644
@@ -33,7 +33,7 @@ Merge: 9a6d494 c7a2ab9
 Author: A U Thor <author@example.com>
 Date:   Mon Jun 26 00:04:00 2006 +0000
 
-    Merge branch 'side' into master
+    Merge branch 'side'
 
 diff --git a/dir/sub b/dir/sub
 index 7289e35..992913c 100644
diff --git a/t/t4013/diff.show_master b/t/t4013/diff.show_master
index 57091c5d90d039..fb08ce0e46d16d 100644
--- a/t/t4013/diff.show_master
+++ b/t/t4013/diff.show_master
@@ -4,7 +4,7 @@ Merge: 9a6d494 c7a2ab9
 Author: A U Thor <author@example.com>
 Date:   Mon Jun 26 00:04:00 2006 +0000
 
-    Merge branch 'side' into master
+    Merge branch 'side'
 
 diff --cc dir/sub
 index cead32e,7289e35..992913c
diff --git a/t/t4013/diff.whatchanged_--root_--cc_--patch-with-stat_--summary_master b/t/t4013/diff.whatchanged_--root_--cc_--patch-with-stat_--summary_master
index 5f13a71bb53d5e..30aae7817b952d 100644
--- a/t/t4013/diff.whatchanged_--root_--cc_--patch-with-stat_--summary_master
+++ b/t/t4013/diff.whatchanged_--root_--cc_--patch-with-stat_--summary_master
@@ -4,7 +4,7 @@ Merge: 9a6d494 c7a2ab9
 Author: A U Thor <author@example.com>
 Date:   Mon Jun 26 00:04:00 2006 +0000
 
-    Merge branch 'side' into master
+    Merge branch 'side'
 
  dir/sub | 2 ++
  file0   | 3 +++
diff --git a/t/t4013/diff.whatchanged_--root_-c_--patch-with-stat_--summary_master b/t/t4013/diff.whatchanged_--root_-c_--patch-with-stat_--summary_master
index 8acb88267b2f52..d1d32bd34c3334 100644
--- a/t/t4013/diff.whatchanged_--root_-c_--patch-with-stat_--summary_master
+++ b/t/t4013/diff.whatchanged_--root_-c_--patch-with-stat_--summary_master
@@ -4,7 +4,7 @@ Merge: 9a6d494 c7a2ab9
 Author: A U Thor <author@example.com>
 Date:   Mon Jun 26 00:04:00 2006 +0000
 
-    Merge branch 'side' into master
+    Merge branch 'side'
 
  dir/sub | 2 ++
  file0   | 3 +++
diff --git a/t/t4202-log.sh b/t/t4202-log.sh
index fd9af658af20a8..a0930599aaa5b1 100755
--- a/t/t4202-log.sh
+++ b/t/t4202-log.sh
@@ -483,7 +483,7 @@ test_expect_success 'set up merge history' '
 '
 
 cat > expect <<\EOF
-*   Merge branch 'side' into master
+*   Merge branch 'side'
 |\
 | * side-2
 | * side-1
@@ -502,7 +502,7 @@ test_expect_success 'log --graph with merge' '
 '
 
 cat > expect <<\EOF
-| | | *   Merge branch 'side' into master
+| | | *   Merge branch 'side'
 | | | |\
 | | | | * side-2
 | | | | * side-1
@@ -521,7 +521,7 @@ test_expect_success 'log --graph --line-prefix="| | | " with merge' '
 '
 
 cat > expect.colors <<\EOF
-*   Merge branch 'side' into master
+*   Merge branch 'side'
 <BLUE>|<RESET><CYAN>\<RESET>
 <BLUE>|<RESET> * side-2
 <BLUE>|<RESET> * side-1
@@ -555,7 +555,7 @@ cat > expect <<\EOF
 |\  Merge: A B
 | | Author: A U Thor <author@example.com>
 | |
-| |     Merge branch 'side' into master
+| |     Merge branch 'side'
 | |
 | * commit tags/side-2
 | | Author: A U Thor <author@example.com>
@@ -632,11 +632,11 @@ test_expect_success 'set up more tangled history' '
 '
 
 cat > expect <<\EOF
-*   Merge tag 'reach' into master
+*   Merge tag 'reach'
 |\
 | \
 |  \
-*-. \   Merge tags 'octopus-a' and 'octopus-b' into master
+*-. \   Merge tags 'octopus-a' and 'octopus-b'
 |\ \ \
 * | | | seventh
 | | * | octopus-b
@@ -646,14 +646,14 @@ cat > expect <<\EOF
 |/ /
 | * reach
 |/
-*   Merge branch 'tangle' into master
+*   Merge branch 'tangle'
 |\
 | *   Merge branch 'side' (early part) into tangle
 | |\
 | * \   Merge branch 'master' (early part) into tangle
 | |\ \
 | * | | tangle-a
-* | | |   Merge branch 'side' into master
+* | | |   Merge branch 'side'
 |\ \ \ \
 | * | | | side-2
 | | |_|/
@@ -735,16 +735,16 @@ test_expect_success 'log.decorate configuration' '
 
 test_expect_success 'decorate-refs with glob' '
 	cat >expect.decorate <<-\EOF &&
-	Merge-tag-reach-into-master
-	Merge-tags-octopus-a-and-octopus-b-into-master
+	Merge-tag-reach
+	Merge-tags-octopus-a-and-octopus-b
 	seventh
 	octopus-b (octopus-b)
 	octopus-a (octopus-a)
 	reach
 	EOF
 	cat >expect.no-decorate <<-\EOF &&
-	Merge-tag-reach-into-master
-	Merge-tags-octopus-a-and-octopus-b-into-master
+	Merge-tag-reach
+	Merge-tags-octopus-a-and-octopus-b
 	seventh
 	octopus-b
 	octopus-a
@@ -765,8 +765,8 @@ test_expect_success 'decorate-refs with glob' '
 
 test_expect_success 'decorate-refs without globs' '
 	cat >expect.decorate <<-\EOF &&
-	Merge-tag-reach-into-master
-	Merge-tags-octopus-a-and-octopus-b-into-master
+	Merge-tag-reach
+	Merge-tags-octopus-a-and-octopus-b
 	seventh
 	octopus-b
 	octopus-a
@@ -779,8 +779,8 @@ test_expect_success 'decorate-refs without globs' '
 
 test_expect_success 'multiple decorate-refs' '
 	cat >expect.decorate <<-\EOF &&
-	Merge-tag-reach-into-master
-	Merge-tags-octopus-a-and-octopus-b-into-master
+	Merge-tag-reach
+	Merge-tags-octopus-a-and-octopus-b
 	seventh
 	octopus-b (octopus-b)
 	octopus-a (octopus-a)
@@ -794,8 +794,8 @@ test_expect_success 'multiple decorate-refs' '
 
 test_expect_success 'decorate-refs-exclude with glob' '
 	cat >expect.decorate <<-\EOF &&
-	Merge-tag-reach-into-master (HEAD -> master)
-	Merge-tags-octopus-a-and-octopus-b-into-master
+	Merge-tag-reach (HEAD -> master)
+	Merge-tags-octopus-a-and-octopus-b
 	seventh (tag: seventh)
 	octopus-b (tag: octopus-b)
 	octopus-a (tag: octopus-a)
@@ -811,8 +811,8 @@ test_expect_success 'decorate-refs-exclude with glob' '
 
 test_expect_success 'decorate-refs-exclude without globs' '
 	cat >expect.decorate <<-\EOF &&
-	Merge-tag-reach-into-master (HEAD -> master)
-	Merge-tags-octopus-a-and-octopus-b-into-master
+	Merge-tag-reach (HEAD -> master)
+	Merge-tags-octopus-a-and-octopus-b
 	seventh (tag: seventh)
 	octopus-b (tag: octopus-b, octopus-b)
 	octopus-a (tag: octopus-a, octopus-a)
@@ -828,8 +828,8 @@ test_expect_success 'decorate-refs-exclude without globs' '
 
 test_expect_success 'multiple decorate-refs-exclude' '
 	cat >expect.decorate <<-\EOF &&
-	Merge-tag-reach-into-master (HEAD -> master)
-	Merge-tags-octopus-a-and-octopus-b-into-master
+	Merge-tag-reach (HEAD -> master)
+	Merge-tags-octopus-a-and-octopus-b
 	seventh (tag: seventh)
 	octopus-b (tag: octopus-b)
 	octopus-a (tag: octopus-a)
@@ -851,8 +851,8 @@ test_expect_success 'multiple decorate-refs-exclude' '
 
 test_expect_success 'decorate-refs and decorate-refs-exclude' '
 	cat >expect.no-decorate <<-\EOF &&
-	Merge-tag-reach-into-master (master)
-	Merge-tags-octopus-a-and-octopus-b-into-master
+	Merge-tag-reach (master)
+	Merge-tags-octopus-a-and-octopus-b
 	seventh
 	octopus-b
 	octopus-a
@@ -866,8 +866,8 @@ test_expect_success 'decorate-refs and decorate-refs-exclude' '
 
 test_expect_success 'deocrate-refs and log.excludeDecoration' '
 	cat >expect.decorate <<-\EOF &&
-	Merge-tag-reach-into-master (master)
-	Merge-tags-octopus-a-and-octopus-b-into-master
+	Merge-tag-reach (master)
+	Merge-tags-octopus-a-and-octopus-b
 	seventh
 	octopus-b (octopus-b)
 	octopus-a (octopus-a)
@@ -881,10 +881,10 @@ test_expect_success 'deocrate-refs and log.excludeDecoration' '
 
 test_expect_success 'decorate-refs-exclude and simplify-by-decoration' '
 	cat >expect.decorate <<-\EOF &&
-	Merge-tag-reach-into-master (HEAD -> master)
+	Merge-tag-reach (HEAD -> master)
 	reach (tag: reach, reach)
 	seventh (tag: seventh)
-	Merge-branch-tangle-into-master
+	Merge-branch-tangle
 	Merge-branch-side-early-part-into-tangle (tangle)
 	tangle-a (tag: tangle-a)
 	EOF
@@ -1068,7 +1068,7 @@ cat >expect <<\EOF
 |\  Merge: MERGE_PARENTS
 | | Author: A U Thor <author@example.com>
 | |
-| |     Merge branch 'tangle' into master
+| |     Merge branch 'tangle'
 | |
 | *   commit COMMIT_OBJECT_NAME
 | |\  Merge: MERGE_PARENTS
@@ -1102,7 +1102,7 @@ cat >expect <<\EOF
 |\ \ \ \  Merge: MERGE_PARENTS
 | | | | | Author: A U Thor <author@example.com>
 | | | | |
-| | | | |     Merge branch 'side' into master
+| | | | |     Merge branch 'side'
 | | | | |
 | * | | | commit COMMIT_OBJECT_NAME
 | | |_|/  Author: A U Thor <author@example.com>
@@ -1343,7 +1343,7 @@ cat >expect <<\EOF
 *** |\  Merge: MERGE_PARENTS
 *** | | Author: A U Thor <author@example.com>
 *** | |
-*** | |     Merge branch 'tangle' into master
+*** | |     Merge branch 'tangle'
 *** | |
 *** | *   commit COMMIT_OBJECT_NAME
 *** | |\  Merge: MERGE_PARENTS
@@ -1377,7 +1377,7 @@ cat >expect <<\EOF
 *** |\ \ \ \  Merge: MERGE_PARENTS
 *** | | | | | Author: A U Thor <author@example.com>
 *** | | | | |
-*** | | | | |     Merge branch 'side' into master
+*** | | | | |     Merge branch 'side'
 *** | | | | |
 *** | * | | | commit COMMIT_OBJECT_NAME
 *** | | |_|/  Author: A U Thor <author@example.com>
@@ -1540,8 +1540,8 @@ cat >expect <<-\EOF
 * reach
 |
 | A	reach.t
-* Merge branch 'tangle' into master
-*   Merge branch 'side' into master
+* Merge branch 'tangle'
+*   Merge branch 'side'
 |\
 | * side-2
 |
@@ -1562,8 +1562,8 @@ cat >expect <<-\EOF
 * reach
 |
 | reach.t
-* Merge branch 'tangle' into master
-*   Merge branch 'side' into master
+* Merge branch 'tangle'
+*   Merge branch 'side'
 |\
 | * side-2
 |
diff --git a/t/t6200-fmt-merge-msg.sh b/t/t6200-fmt-merge-msg.sh
index 2b3fd498d07428..e4c2a6eca43564 100755
--- a/t/t6200-fmt-merge-msg.sh
+++ b/t/t6200-fmt-merge-msg.sh
@@ -79,7 +79,7 @@ test_expect_success GPG 'set up a signed tag' '
 '
 
 test_expect_success 'message for merging local branch' '
-	echo "Merge branch ${apos}left${apos} into master" >expected &&
+	echo "Merge branch ${apos}left${apos}" >expected &&
 
 	git checkout master &&
 	git fetch . left &&
@@ -107,7 +107,7 @@ test_expect_success GPG 'message for merging local tag signed by unknown key' '
 '
 
 test_expect_success 'message for merging external branch' '
-	echo "Merge branch ${apos}left${apos} of $(pwd) into master" >expected &&
+	echo "Merge branch ${apos}left${apos} of $(pwd)" >expected &&
 
 	git checkout master &&
 	git fetch "$(pwd)" left &&
@@ -118,7 +118,7 @@ test_expect_success 'message for merging external branch' '
 
 test_expect_success '[merge] summary/log configuration' '
 	cat >expected <<-EOF &&
-	Merge branch ${apos}left${apos} into master
+	Merge branch ${apos}left${apos}
 
 	# By Another Author (3) and A U Thor (2)
 	# Via Another Committer
@@ -160,7 +160,7 @@ test_expect_success 'setup FETCH_HEAD' '
 
 test_expect_success 'merge.log=3 limits shortlog length' '
 	cat >expected <<-EOF &&
-	Merge branch ${apos}left${apos} into master
+	Merge branch ${apos}left${apos}
 
 	# By Another Author (3) and A U Thor (2)
 	# Via Another Committer
@@ -177,7 +177,7 @@ test_expect_success 'merge.log=3 limits shortlog length' '
 
 test_expect_success 'merge.log=5 shows all 5 commits' '
 	cat >expected <<-EOF &&
-	Merge branch ${apos}left${apos} into master
+	Merge branch ${apos}left${apos}
 
 	# By Another Author (3) and A U Thor (2)
 	# Via Another Committer
@@ -195,7 +195,7 @@ test_expect_success 'merge.log=5 shows all 5 commits' '
 
 test_expect_success '--log=5 with custom comment character' '
 	cat >expected <<-EOF &&
-	Merge branch ${apos}left${apos} into master
+	Merge branch ${apos}left${apos}
 
 	x By Another Author (3) and A U Thor (2)
 	x Via Another Committer
@@ -212,14 +212,14 @@ test_expect_success '--log=5 with custom comment character' '
 '
 
 test_expect_success 'merge.log=0 disables shortlog' '
-	echo "Merge branch ${apos}left${apos} into master" >expected &&
+	echo "Merge branch ${apos}left${apos}" >expected &&
 	git -c merge.log=0 fmt-merge-msg <.git/FETCH_HEAD >actual &&
 	test_cmp expected actual
 '
 
 test_expect_success '--log=3 limits shortlog length' '
 	cat >expected <<-EOF &&
-	Merge branch ${apos}left${apos} into master
+	Merge branch ${apos}left${apos}
 
 	# By Another Author (3) and A U Thor (2)
 	# Via Another Committer
@@ -236,7 +236,7 @@ test_expect_success '--log=3 limits shortlog length' '
 
 test_expect_success '--log=5 shows all 5 commits' '
 	cat >expected <<-EOF &&
-	Merge branch ${apos}left${apos} into master
+	Merge branch ${apos}left${apos}
 
 	# By Another Author (3) and A U Thor (2)
 	# Via Another Committer
@@ -253,13 +253,13 @@ test_expect_success '--log=5 shows all 5 commits' '
 '
 
 test_expect_success '--no-log disables shortlog' '
-	echo "Merge branch ${apos}left${apos} into master" >expected &&
+	echo "Merge branch ${apos}left${apos}" >expected &&
 	git fmt-merge-msg --no-log <.git/FETCH_HEAD >actual &&
 	test_cmp expected actual
 '
 
 test_expect_success '--log=0 disables shortlog' '
-	echo "Merge branch ${apos}left${apos} into master" >expected &&
+	echo "Merge branch ${apos}left${apos}" >expected &&
 	git fmt-merge-msg --no-log <.git/FETCH_HEAD >actual &&
 	test_cmp expected actual
 '
@@ -300,7 +300,7 @@ test_expect_success 'fmt-merge-msg -m' '
 
 test_expect_success 'setup: expected shortlog for two branches' '
 	cat >expected <<-EOF
-	Merge branches ${apos}left${apos} and ${apos}right${apos} into master
+	Merge branches ${apos}left${apos} and ${apos}right${apos}
 
 	# By Another Author (3) and A U Thor (2)
 	# Via Another Committer
@@ -397,7 +397,7 @@ test_expect_success 'merge-msg with nothing to merge' '
 
 test_expect_success 'merge-msg tag' '
 	cat >expected <<-EOF &&
-	Merge tag ${apos}tag-r3${apos} into master
+	Merge tag ${apos}tag-r3${apos}
 
 	* tag ${apos}tag-r3${apos}:
 	  Right #3
@@ -418,7 +418,7 @@ test_expect_success 'merge-msg tag' '
 
 test_expect_success 'merge-msg two tags' '
 	cat >expected <<-EOF &&
-	Merge tags ${apos}tag-r3${apos} and ${apos}tag-l5${apos} into master
+	Merge tags ${apos}tag-r3${apos} and ${apos}tag-l5${apos}
 
 	* tag ${apos}tag-r3${apos}:
 	  Right #3
@@ -448,7 +448,7 @@ test_expect_success 'merge-msg two tags' '
 
 test_expect_success 'merge-msg tag and branch' '
 	cat >expected <<-EOF &&
-	Merge branch ${apos}left${apos}, tag ${apos}tag-r3${apos} into master
+	Merge branch ${apos}left${apos}, tag ${apos}tag-r3${apos}
 
 	* tag ${apos}tag-r3${apos}:
 	  Right #3
@@ -479,7 +479,7 @@ test_expect_success 'merge-msg tag and branch' '
 test_expect_success 'merge-msg lots of commits' '
 	{
 		cat <<-EOF &&
-		Merge branch ${apos}long${apos} into master
+		Merge branch ${apos}long${apos}
 
 		* long: (35 commits)
 		EOF
@@ -516,7 +516,7 @@ test_expect_success 'merge-msg with "merging" an annotated tag' '
 	git fmt-merge-msg <.git/FETCH_HEAD >actual &&
 	{
 		cat <<-\EOF
-		Merge tag '\''annote'\'' into master
+		Merge tag '\''annote'\''
 
 		An annotated one
 
@@ -531,7 +531,7 @@ test_expect_success 'merge-msg with "merging" an annotated tag' '
 	git merge --no-commit --no-ff $annote &&
 	{
 		cat <<-EOF
-		Merge tag '\''$annote'\'' into master
+		Merge tag '\''$annote'\''
 
 		An annotated one
 
diff --git a/t/t7600-merge.sh b/t/t7600-merge.sh
index 1d45f9a4ed001d..5883a6adc31b5f 100755
--- a/t/t7600-merge.sh
+++ b/t/t7600-merge.sh
@@ -14,9 +14,9 @@ Testing basic merge operations/option parsing.
     ! [c4] c4
      ! [c5] c5
       ! [c6] c6
-       * [master] Merge commit 'c1' into master
+       * [master] Merge commit 'c1'
 --------
-       - [master] Merge commit 'c1' into master
+       - [master] Merge commit 'c1'
  +     * [c1] commit 1
       +  [c6] c6
      +   [c5] c5
@@ -44,8 +44,8 @@ test_write_lines '1 X' 2 '3 X' 4 '5 X' 6 7 8 '9 X' >result.1-3-5-9
 test_write_lines 1 2 3 4 5 6 7 8 '9 Z' >result.9z
 
 create_merge_msgs () {
-	echo "Merge tag 'c2' into master" >msg.1-5 &&
-	echo "Merge tags 'c2' and 'c3' into master" >msg.1-5-9 &&
+	echo "Merge tag 'c2'" >msg.1-5 &&
+	echo "Merge tags 'c2' and 'c3'" >msg.1-5-9 &&
 	{
 		echo "Squashed commit of the following:" &&
 		echo &&
@@ -258,7 +258,7 @@ test_expect_success 'merge c3 with c7 with commit.cleanup = scissors' '
 	git commit --no-edit -a &&
 
 	cat >expect <<-\EOF &&
-	Merge tag '"'"'c7'"'"' into master
+	Merge tag '"'"'c7'"'"'
 
 	# ------------------------ >8 ------------------------
 	# Do not modify or remove the line above.
@@ -808,10 +808,10 @@ test_expect_success 'merge with conflicted --autostash changes' '
 '
 
 cat >expected.branch <<\EOF
-Merge branch 'c5-branch' (early part) into master
+Merge branch 'c5-branch' (early part)
 EOF
 cat >expected.tag <<\EOF
-Merge commit 'c5~1' into master
+Merge commit 'c5~1'
 EOF
 
 test_expect_success 'merge early part of c2' '
diff --git a/t/t7608-merge-messages.sh b/t/t7608-merge-messages.sh
index 2af33f195bc395..8e7e0a5865d762 100755
--- a/t/t7608-merge-messages.sh
+++ b/t/t7608-merge-messages.sh
@@ -16,7 +16,7 @@ test_expect_success 'merge local branch' '
 	git checkout master &&
 	test_commit master-2 &&
 	git merge local-branch &&
-	check_oneline "Merge branch Qlocal-branchQ into master"
+	check_oneline "Merge branch Qlocal-branchQ"
 '
 
 test_expect_success 'merge octopus branches' '
@@ -26,7 +26,7 @@ test_expect_success 'merge octopus branches' '
 	test_commit octopus-2 &&
 	git checkout master &&
 	git merge octopus-a octopus-b &&
-	check_oneline "Merge branches Qoctopus-aQ and Qoctopus-bQ into master"
+	check_oneline "Merge branches Qoctopus-aQ and Qoctopus-bQ"
 '
 
 test_expect_success 'merge tag' '
@@ -35,7 +35,7 @@ test_expect_success 'merge tag' '
 	git checkout master &&
 	test_commit master-3 &&
 	git merge tag-1 &&
-	check_oneline "Merge tag Qtag-1Q into master"
+	check_oneline "Merge tag Qtag-1Q"
 '
 
 test_expect_success 'ambiguous tag' '
@@ -44,7 +44,7 @@ test_expect_success 'ambiguous tag' '
 	git checkout master &&
 	test_commit master-4 &&
 	git merge ambiguous &&
-	check_oneline "Merge tag QambiguousQ into master"
+	check_oneline "Merge tag QambiguousQ"
 '
 
 test_expect_success 'remote-tracking branch' '
@@ -54,7 +54,7 @@ test_expect_success 'remote-tracking branch' '
 	git checkout master &&
 	test_commit master-5 &&
 	git merge origin/master &&
-	check_oneline "Merge remote-tracking branch Qorigin/masterQ into master"
+	check_oneline "Merge remote-tracking branch Qorigin/masterQ"
 '
 
 test_done