Merge branch 'maint' into tj/imap-send-remove-unused

* maint: (18123 commits)
  documentation fix: git difftool uses diff tools, not merge tools.
  Git 1.7.7.4
  Makefile: add missing header file dependencies
  notes merge: eliminate OUTPUT macro
  mailmap: xcalloc mailmap_info
  name-rev --all: do not even attempt to describe non-commit object
  Git 1.7.7.3
  docs: Update install-doc-quick
  docs: don't mention --quiet or --exit-code in git-log(1)
  Git 1.7.7.2
  t7511: avoid use of reserved filename on Windows.
  clone: Quote user supplied path in a single quote pair
  read-cache.c: fix index memory allocation
  make the sample pre-commit hook script reject names with newlines, too
  Reindent closing bracket using tab instead of spaces
  Git 1.7.7.1
  RelNotes/1.7.7.1: setgid bit patch is about fixing "git init" via Makefile setting
  gitweb: fix regression when filtering out forks
  Almost ready for 1.7.7.1
  pack-objects: don't traverse objects unnecessarily
  ...

Conflicts:
	imap-send.c

1 files changed, 77 insertions, 0 deletions

diff --git a/t/t6028-merge-up-to-date.sh b/t/t6028-merge-up-to-date.sh
new file mode 100755
index 0000000000..a91644e3b2
--- /dev/null
+++ b/t/t6028-merge-up-to-date.sh
@@ -0,0 +1,77 @@
+#!/bin/sh
+
+test_description='merge fast-forward and up to date'
+
+. ./test-lib.sh
+
+test_expect_success setup '
+	>file &&
+	git add file &&
+	test_tick &&
+	git commit -m initial &&
+	git tag c0 &&
+
+	echo second >file &&
+	git add file &&
+	test_tick &&
+	git commit -m second &&
+	git tag c1 &&
+	git branch test
+'
+
+test_expect_success 'merge -s recursive up-to-date' '
+
+	git reset --hard c1 &&
+	test_tick &&
+	git merge -s recursive c0 &&
+	expect=$(git rev-parse c1) &&
+	current=$(git rev-parse HEAD) &&
+	test "$expect" = "$current"
+
+'
+
+test_expect_success 'merge -s recursive fast-forward' '
+
+	git reset --hard c0 &&
+	test_tick &&
+	git merge -s recursive c1 &&
+	expect=$(git rev-parse c1) &&
+	current=$(git rev-parse HEAD) &&
+	test "$expect" = "$current"
+
+'
+
+test_expect_success 'merge -s ours up-to-date' '
+
+	git reset --hard c1 &&
+	test_tick &&
+	git merge -s ours c0 &&
+	expect=$(git rev-parse c1) &&
+	current=$(git rev-parse HEAD) &&
+	test "$expect" = "$current"
+
+'
+
+test_expect_success 'merge -s ours fast-forward' '
+
+	git reset --hard c0 &&
+	test_tick &&
+	git merge -s ours c1 &&
+	expect=$(git rev-parse c0^{tree}) &&
+	current=$(git rev-parse HEAD^{tree}) &&
+	test "$expect" = "$current"
+
+'
+
+test_expect_success 'merge -s subtree up-to-date' '
+
+	git reset --hard c1 &&
+	test_tick &&
+	git merge -s subtree c0 &&
+	expect=$(git rev-parse c1) &&
+	current=$(git rev-parse HEAD) &&
+	test "$expect" = "$current"
+
+'
+
+test_done