11 files changed, 256 insertions, 71 deletions

diff --git a/t/helper/test-hashmap.c b/t/helper/test-hashmap.c
index 6004c81f0b..1145d51671 100644
--- a/t/helper/test-hashmap.c
+++ b/t/helper/test-hashmap.c
@@ -235,7 +235,8 @@ int cmd_main(int argc, const char **argv)
 		} else if (!strcmp("size", cmd)) {
 
 			/* print table sizes */
-			printf("%u %u\n", map.tablesize, map.size);
+			printf("%u %u\n", map.tablesize,
+			       hashmap_get_size(&map));
 
 		} else if (!strcmp("intern", cmd) && l1) {
 
diff --git a/t/t1407-worktree-ref-store.sh b/t/t1407-worktree-ref-store.sh
index 5df06f3556..8842d0329f 100755
--- a/t/t1407-worktree-ref-store.sh
+++ b/t/t1407-worktree-ref-store.sh
@@ -49,4 +49,34 @@ test_expect_success 'create_symref(FOO, refs/heads/master)' '
 	test_cmp expected actual
 '
 
+test_expect_success 'for_each_reflog()' '
+	echo $_z40 > .git/logs/PSEUDO-MAIN &&
+	mkdir -p     .git/logs/refs/bisect &&
+	echo $_z40 > .git/logs/refs/bisect/random &&
+
+	echo $_z40 > .git/worktrees/wt/logs/PSEUDO-WT &&
+	mkdir -p     .git/worktrees/wt/logs/refs/bisect &&
+	echo $_z40 > .git/worktrees/wt/logs/refs/bisect/wt-random &&
+
+	$RWT for-each-reflog | cut -c 42- | sort >actual &&
+	cat >expected <<-\EOF &&
+	HEAD 0x1
+	PSEUDO-WT 0x0
+	refs/bisect/wt-random 0x0
+	refs/heads/master 0x0
+	refs/heads/wt-master 0x0
+	EOF
+	test_cmp expected actual &&
+
+	$RMAIN for-each-reflog | cut -c 42- | sort >actual &&
+	cat >expected <<-\EOF &&
+	HEAD 0x1
+	PSEUDO-MAIN 0x0
+	refs/bisect/random 0x0
+	refs/heads/master 0x0
+	refs/heads/wt-master 0x0
+	EOF
+	test_cmp expected actual
+'
+
 test_done
diff --git a/t/t3200-branch.sh b/t/t3200-branch.sh
index 9d707d2a40..d971649979 100755
--- a/t/t3200-branch.sh
+++ b/t/t3200-branch.sh
@@ -162,6 +162,19 @@ test_expect_success 'git branch -M baz bam should add entries to .git/logs/HEAD'
 	grep "^0\{40\}.*$msg$" .git/logs/HEAD
 '
 
+test_expect_success 'git branch -M should leave orphaned HEAD alone' '
+	git init orphan &&
+	(
+		cd orphan &&
+		test_commit initial &&
+		git checkout --orphan lonely &&
+		grep lonely .git/HEAD &&
+		test_path_is_missing .git/refs/head/lonely &&
+		git branch -M master mistress &&
+		grep lonely .git/HEAD
+	)
+'
+
 test_expect_success 'resulting reflog can be shown by log -g' '
 	oid=$(git rev-parse HEAD) &&
 	cat >expect <<-EOF &&
@@ -559,6 +572,7 @@ test_expect_success 'use --set-upstream-to modify HEAD' '
 test_expect_success 'use --set-upstream-to modify a particular branch' '
 	git branch my13 &&
 	git branch --set-upstream-to master my13 &&
+	test_when_finished "git branch --unset-upstream my13" &&
 	test "$(git config branch.my13.remote)" = "." &&
 	test "$(git config branch.my13.merge)" = "refs/heads/master"
 '
@@ -604,38 +618,8 @@ test_expect_success 'test --unset-upstream on a particular branch' '
 	test_must_fail git config branch.my14.merge
 '
 
-test_expect_success '--set-upstream shows message when creating a new branch that exists as remote-tracking' '
-	git update-ref refs/remotes/origin/master HEAD &&
-	git branch --set-upstream origin/master 2>actual &&
-	test_when_finished git update-ref -d refs/remotes/origin/master &&
-	test_when_finished git branch -d origin/master &&
-	cat >expected <<EOF &&
-The --set-upstream flag is deprecated and will be removed. Consider using --track or --set-upstream-to
-
-If you wanted to make '"'master'"' track '"'origin/master'"', do this:
-
-    git branch -d origin/master
-    git branch --set-upstream-to origin/master
-EOF
-	test_i18ncmp expected actual
-'
-
-test_expect_success '--set-upstream with two args only shows the deprecation message' '
-	git branch --set-upstream master my13 2>actual &&
-	test_when_finished git branch --unset-upstream master &&
-	cat >expected <<EOF &&
-The --set-upstream flag is deprecated and will be removed. Consider using --track or --set-upstream-to
-EOF
-	test_i18ncmp expected actual
-'
-
-test_expect_success '--set-upstream with one arg only shows the deprecation message if the branch existed' '
-	git branch --set-upstream my13 2>actual &&
-	test_when_finished git branch --unset-upstream my13 &&
-	cat >expected <<EOF &&
-The --set-upstream flag is deprecated and will be removed. Consider using --track or --set-upstream-to
-EOF
-	test_i18ncmp expected actual
+test_expect_success '--set-upstream fails' '
+    test_must_fail git branch --set-upstream origin/master
 '
 
 test_expect_success '--set-upstream-to notices an error to set branch as own upstream' '
@@ -960,19 +944,6 @@ test_expect_success 'attempt to delete a branch merged to its base' '
 	test_must_fail git branch -d my10
 '
 
-test_expect_success 'use set-upstream on the current branch' '
-	git checkout master &&
-	git --bare init myupstream.git &&
-	git push myupstream.git master:refs/heads/frotz &&
-	git remote add origin myupstream.git &&
-	git fetch &&
-	git branch --set-upstream master origin/frotz &&
-
-	test "z$(git config branch.master.remote)" = "zorigin" &&
-	test "z$(git config branch.master.merge)" = "zrefs/heads/frotz"
-
-'
-
 test_expect_success 'use --edit-description' '
 	write_script editor <<-\EOF &&
 		echo "New contents" >"$1"
diff --git a/t/t5001-archive-attr.sh b/t/t5001-archive-attr.sh
index b04d955bfa..897f6f06d5 100755
--- a/t/t5001-archive-attr.sh
+++ b/t/t5001-archive-attr.sh
@@ -7,11 +7,15 @@ test_description='git archive attribute tests'
 SUBSTFORMAT='%H (%h)%n'
 
 test_expect_exists() {
-	test_expect_success " $1 exists" "test -e $1"
+	test_expect_${2:-success} " $1 exists" "test -e $1"
 }
 
 test_expect_missing() {
-	test_expect_success " $1 does not exist" "test ! -e $1"
+	test_expect_${2:-success} " $1 does not exist" "test ! -e $1"
+}
+
+extract_tar_to_dir () {
+	(mkdir "$1" && cd "$1" && "$TAR" xf -) <"$1.tar"
 }
 
 test_expect_success 'setup' '
@@ -21,12 +25,19 @@ test_expect_success 'setup' '
 
 	echo ignored by tree >ignored-by-tree &&
 	echo ignored-by-tree export-ignore >.gitattributes &&
-	git add ignored-by-tree .gitattributes &&
+	mkdir ignored-by-tree.d &&
+	>ignored-by-tree.d/file &&
+	echo ignored-by-tree.d export-ignore >>.gitattributes &&
+	git add ignored-by-tree ignored-by-tree.d .gitattributes &&
 
 	echo ignored by worktree >ignored-by-worktree &&
 	echo ignored-by-worktree export-ignore >.gitattributes &&
 	git add ignored-by-worktree &&
 
+	mkdir excluded-by-pathspec.d &&
+	>excluded-by-pathspec.d/file &&
+	git add excluded-by-pathspec.d &&
+
 	printf "A\$Format:%s\$O" "$SUBSTFORMAT" >nosubstfile &&
 	printf "A\$Format:%s\$O" "$SUBSTFORMAT" >substfile1 &&
 	printf "A not substituted O" >substfile2 &&
@@ -46,7 +57,37 @@ test_expect_success 'git archive' '
 
 test_expect_missing	archive/ignored
 test_expect_missing	archive/ignored-by-tree
+test_expect_missing	archive/ignored-by-tree.d
+test_expect_missing	archive/ignored-by-tree.d/file
 test_expect_exists	archive/ignored-by-worktree
+test_expect_exists	archive/excluded-by-pathspec.d
+test_expect_exists	archive/excluded-by-pathspec.d/file
+
+test_expect_success 'git archive with pathspec' '
+	git archive HEAD ":!excluded-by-pathspec.d" >archive-pathspec.tar &&
+	extract_tar_to_dir archive-pathspec
+'
+
+test_expect_missing	archive-pathspec/ignored
+test_expect_missing	archive-pathspec/ignored-by-tree
+test_expect_missing	archive-pathspec/ignored-by-tree.d
+test_expect_missing	archive-pathspec/ignored-by-tree.d/file
+test_expect_exists	archive-pathspec/ignored-by-worktree
+test_expect_missing	archive-pathspec/excluded-by-pathspec.d failure
+test_expect_missing	archive-pathspec/excluded-by-pathspec.d/file
+
+test_expect_success 'git archive with wildcard pathspec' '
+	git archive HEAD ":!excluded-by-p*" >archive-pathspec-wildcard.tar &&
+	extract_tar_to_dir archive-pathspec-wildcard
+'
+
+test_expect_missing	archive-pathspec-wildcard/ignored
+test_expect_missing	archive-pathspec-wildcard/ignored-by-tree
+test_expect_missing	archive-pathspec-wildcard/ignored-by-tree.d
+test_expect_missing	archive-pathspec-wildcard/ignored-by-tree.d/file
+test_expect_exists	archive-pathspec-wildcard/ignored-by-worktree
+test_expect_missing	archive-pathspec-wildcard/excluded-by-pathspec.d
+test_expect_missing	archive-pathspec-wildcard/excluded-by-pathspec.d/file
 
 test_expect_success 'git archive with worktree attributes' '
 	git archive --worktree-attributes HEAD >worktree.tar &&
diff --git a/t/t5304-prune.sh b/t/t5304-prune.sh
index 133b5842b1..6694c19a1e 100755
--- a/t/t5304-prune.sh
+++ b/t/t5304-prune.sh
@@ -283,4 +283,41 @@ test_expect_success 'prune: handle alternate object database' '
 	git -C B prune
 '
 
+test_expect_success 'prune: handle index in multiple worktrees' '
+	git worktree add second-worktree &&
+	echo "new blob for second-worktree" >second-worktree/blob &&
+	git -C second-worktree add blob &&
+	git prune --expire=now &&
+	git -C second-worktree show :blob >actual &&
+	test_cmp second-worktree/blob actual
+'
+
+test_expect_success 'prune: handle HEAD in multiple worktrees' '
+	git worktree add --detach third-worktree &&
+	echo "new blob for third-worktree" >third-worktree/blob &&
+	git -C third-worktree add blob &&
+	git -C third-worktree commit -m "third" &&
+	rm .git/worktrees/third-worktree/index &&
+	test_must_fail git -C third-worktree show :blob &&
+	git prune --expire=now &&
+	git -C third-worktree show HEAD:blob >actual &&
+	test_cmp third-worktree/blob actual
+'
+
+test_expect_success 'prune: handle HEAD reflog in multiple worktrees' '
+	git config core.logAllRefUpdates true &&
+	echo "lost blob for third-worktree" >expected &&
+	(
+		cd third-worktree &&
+		cat ../expected >blob &&
+		git add blob &&
+		git commit -m "second commit in third" &&
+		git reset --hard HEAD^
+	) &&
+	git prune --expire=now &&
+	SHA1=`git hash-object expected` &&
+	git -C third-worktree show "$SHA1" >actual &&
+	test_cmp expected actual
+'
+
 test_done
diff --git a/t/t5572-pull-submodule.sh b/t/t5572-pull-submodule.sh
index 077eb07e11..321bd37deb 100755
--- a/t/t5572-pull-submodule.sh
+++ b/t/t5572-pull-submodule.sh
@@ -65,6 +65,38 @@ test_expect_success 'recursive pull updates working tree' '
 	test_path_is_file super/sub/merge_strategy.t
 '
 
+test_expect_success "submodule.recurse option triggers recursive pull" '
+	test_commit -C child merge_strategy_2 &&
+	git -C parent submodule update --remote &&
+	git -C parent add sub &&
+	git -C parent commit -m "update submodule" &&
+
+	git -C super -c submodule.recurse pull --no-rebase &&
+	test_path_is_file super/sub/merge_strategy_2.t
+'
+
+test_expect_success " --[no-]recurse-submodule and submodule.recurse" '
+	test_commit -C child merge_strategy_3 &&
+	git -C parent submodule update --remote &&
+	git -C parent add sub &&
+	git -C parent commit -m "update submodule" &&
+
+	git -C super -c submodule.recurse pull --no-recurse-submodules --no-rebase &&
+	test_path_is_missing super/sub/merge_strategy_3.t &&
+	git -C super -c submodule.recurse=false pull --recurse-submodules --no-rebase &&
+	test_path_is_file super/sub/merge_strategy_3.t &&
+
+	test_commit -C child merge_strategy_4 &&
+	git -C parent submodule update --remote &&
+	git -C parent add sub &&
+	git -C parent commit -m "update submodule" &&
+
+	git -C super -c submodule.recurse=false pull --no-recurse-submodules --no-rebase &&
+	test_path_is_missing super/sub/merge_strategy_4.t &&
+	git -C super -c submodule.recurse=true pull --recurse-submodules --no-rebase &&
+	test_path_is_file super/sub/merge_strategy_4.t
+'
+
 test_expect_success 'recursive rebasing pull' '
 	# change upstream
 	test_commit -C child rebase_strategy &&
diff --git a/t/t6002-rev-list-bisect.sh b/t/t6002-rev-list-bisect.sh
index 534903bbd2..a661408038 100755
--- a/t/t6002-rev-list-bisect.sh
+++ b/t/t6002-rev-list-bisect.sh
@@ -236,17 +236,31 @@ test_sequence "--bisect"
 #
 #
 
-test_expect_success '--bisect can default to good/bad refs' '
+test_expect_success 'set up fake --bisect refs' '
 	git update-ref refs/bisect/bad c3 &&
 	good=$(git rev-parse b1) &&
 	git update-ref refs/bisect/good-$good $good &&
 	good=$(git rev-parse c1) &&
-	git update-ref refs/bisect/good-$good $good &&
+	git update-ref refs/bisect/good-$good $good
+'
 
+test_expect_success 'rev-list --bisect can default to good/bad refs' '
 	# the only thing between c3 and c1 is c2
 	git rev-parse c2 >expect &&
 	git rev-list --bisect >actual &&
 	test_cmp expect actual
 '
 
+test_expect_success 'rev-parse --bisect can default to good/bad refs' '
+	git rev-parse c3 ^b1 ^c1 >expect &&
+	git rev-parse --bisect >actual &&
+
+	# output order depends on the refnames, which in turn depends on
+	# the exact sha1s. We just want to make sure we have the same set
+	# of lines in any order.
+	sort <expect >expect.sorted &&
+	sort <actual >actual.sorted &&
+	test_cmp expect.sorted actual.sorted
+'
+
 test_done
diff --git a/t/t6040-tracking-info.sh b/t/t6040-tracking-info.sh
index 97a07655a0..8f17fd9da8 100755
--- a/t/t6040-tracking-info.sh
+++ b/t/t6040-tracking-info.sh
@@ -100,7 +100,7 @@ test_expect_success 'checkout (up-to-date with upstream)' '
 	(
 		cd test && git checkout b6
 	) >actual &&
-	test_i18ngrep "Your branch is up-to-date with .origin/master" actual
+	test_i18ngrep "Your branch is up to date with .origin/master" actual
 '
 
 test_expect_success 'status (diverged from upstream)' '
@@ -130,7 +130,7 @@ test_expect_success 'status (up-to-date with upstream)' '
 		# reports nothing to commit
 		test_must_fail git commit --dry-run
 	) >actual &&
-	test_i18ngrep "Your branch is up-to-date with .origin/master" actual
+	test_i18ngrep "Your branch is up to date with .origin/master" actual
 '
 
 cat >expect <<\EOF
@@ -188,35 +188,29 @@ test_expect_success 'fail to track annotated tags' '
 	test_must_fail git checkout heavytrack
 '
 
-test_expect_success 'setup tracking with branch --set-upstream on existing branch' '
+test_expect_success '--set-upstream-to does not change branch' '
 	git branch from-master master &&
-	test_must_fail git config branch.from-master.merge > actual &&
-	git branch --set-upstream from-master master &&
-	git config branch.from-master.merge > actual &&
-	grep -q "^refs/heads/master$" actual
-'
-
-test_expect_success '--set-upstream does not change branch' '
+	git branch --set-upstream-to master from-master &&
 	git branch from-master2 master &&
 	test_must_fail git config branch.from-master2.merge > actual &&
 	git rev-list from-master2 &&
 	git update-ref refs/heads/from-master2 from-master2^ &&
 	git rev-parse from-master2 >expect2 &&
-	git branch --set-upstream from-master2 master &&
+	git branch --set-upstream-to master from-master2 &&
 	git config branch.from-master.merge > actual &&
 	git rev-parse from-master2 >actual2 &&
 	grep -q "^refs/heads/master$" actual &&
 	cmp expect2 actual2
 '
 
-test_expect_success '--set-upstream @{-1}' '
-	git checkout from-master &&
+test_expect_success '--set-upstream-to @{-1}' '
+	git checkout follower &&
 	git checkout from-master2 &&
 	git config branch.from-master2.merge > expect2 &&
-	git branch --set-upstream @{-1} follower &&
+	git branch --set-upstream-to @{-1} from-master &&
 	git config branch.from-master.merge > actual &&
 	git config branch.from-master2.merge > actual2 &&
-	git branch --set-upstream from-master follower &&
+	git branch --set-upstream-to follower from-master &&
 	git config branch.from-master.merge > expect &&
 	test_cmp expect2 actual2 &&
 	test_cmp expect actual
diff --git a/t/t7504-commit-msg-hook.sh b/t/t7504-commit-msg-hook.sh
index 88d4cda299..302a3a2082 100755
--- a/t/t7504-commit-msg-hook.sh
+++ b/t/t7504-commit-msg-hook.sh
@@ -101,6 +101,10 @@ cat > "$HOOK" <<EOF
 exit 1
 EOF
 
+commit_msg_is () {
+	test "$(git log --pretty=format:%s%b -1)" = "$1"
+}
+
 test_expect_success 'with failing hook' '
 
 	echo "another" >> file &&
@@ -135,6 +139,32 @@ test_expect_success '--no-verify with failing hook (editor)' '
 
 '
 
+test_expect_success 'merge fails with failing hook' '
+
+	test_when_finished "git branch -D newbranch" &&
+	test_when_finished "git checkout -f master" &&
+	git checkout --orphan newbranch &&
+	: >file2 &&
+	git add file2 &&
+	git commit --no-verify file2 -m in-side-branch &&
+	test_must_fail git merge --allow-unrelated-histories master &&
+	commit_msg_is "in-side-branch" # HEAD before merge
+
+'
+
+test_expect_success 'merge bypasses failing hook with --no-verify' '
+
+	test_when_finished "git branch -D newbranch" &&
+	test_when_finished "git checkout -f master" &&
+	git checkout --orphan newbranch &&
+	: >file2 &&
+	git add file2 &&
+	git commit --no-verify file2 -m in-side-branch &&
+	git merge --no-verify --allow-unrelated-histories master &&
+	commit_msg_is "Merge branch '\''master'\'' into newbranch"
+'
+
+
 chmod -x "$HOOK"
 test_expect_success POSIXPERM 'with non-executable hook' '
 
@@ -178,10 +208,6 @@ exit 0
 EOF
 chmod +x "$HOOK"
 
-commit_msg_is () {
-	test "$(git log --pretty=format:%s%b -1)" = "$1"
-}
-
 test_expect_success 'hook edits commit message' '
 
 	echo "additional" >> file &&
@@ -217,7 +243,36 @@ test_expect_success "hook doesn't edit commit message (editor)" '
 	echo "more plus" > FAKE_MSG &&
 	GIT_EDITOR="\"\$FAKE_EDITOR\"" git commit --no-verify &&
 	commit_msg_is "more plus"
+'
 
+test_expect_success 'hook called in git-merge picks up commit message' '
+	test_when_finished "git branch -D newbranch" &&
+	test_when_finished "git checkout -f master" &&
+	git checkout --orphan newbranch &&
+	: >file2 &&
+	git add file2 &&
+	git commit --no-verify file2 -m in-side-branch &&
+	git merge --allow-unrelated-histories master &&
+	commit_msg_is "new message"
+'
+
+test_expect_failure 'merge --continue remembers --no-verify' '
+	test_when_finished "git branch -D newbranch" &&
+	test_when_finished "git checkout -f master" &&
+	git checkout master &&
+	echo a >file2 &&
+	git add file2 &&
+	git commit --no-verify -m "add file2 to master" &&
+	git checkout -b newbranch master^ &&
+	echo b >file2 &&
+	git add file2 &&
+	git commit --no-verify file2 -m in-side-branch &&
+	git merge --no-verify -m not-rewritten-by-hook master &&
+	# resolve conflict:
+	echo c >file2 &&
+	git add file2 &&
+	git merge --continue &&
+	commit_msg_is not-rewritten-by-hook
 '
 
 # set up fake editor to replace `pick` by `reword`
@@ -237,4 +292,5 @@ test_expect_success 'hook is called for reword during `rebase -i`' '
 
 '
 
+
 test_done
diff --git a/t/t9001-send-email.sh b/t/t9001-send-email.sh
index d1e4e8ad19..f30980895c 100755
--- a/t/t9001-send-email.sh
+++ b/t/t9001-send-email.sh
@@ -148,6 +148,8 @@ cat >expected-cc <<\EOF
 !two@example.com!
 !three@example.com!
 !four@example.com!
+!five@example.com!
+!six@example.com!
 EOF
 "
 
@@ -161,6 +163,8 @@ test_expect_success $PREREQ 'cc trailer with various syntax' '
 	Cc: <two@example.com> # trailing comments are ignored
 	Cc: <three@example.com>, <not.four@example.com> one address per line
 	Cc: "Some # Body" <four@example.com> [ <also.a.comment> ]
+	Cc: five@example.com # not.six@example.com
+	Cc: six@example.com, not.seven@example.com
 	EOF
 	clean_fake_sendmail &&
 	git send-email -1 --to=recipient@example.com \
diff --git a/t/test-lib.sh b/t/test-lib.sh
index 5fbd8d4a90..a738540ef2 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -44,6 +44,11 @@ GIT_BUILD_DIR="$TEST_DIRECTORY"/..
 : ${ASAN_OPTIONS=detect_leaks=0:abort_on_error=1}
 export ASAN_OPTIONS
 
+# If LSAN is in effect we _do_ want leak checking, but we still
+# want to abort so that we notice the problems.
+: ${LSAN_OPTIONS=abort_on_error=1}
+export LSAN_OPTIONS
+
 ################################################################
 # It appears that people try to run tests without building...
 "$GIT_BUILD_DIR/git" >/dev/null
@@ -274,7 +279,7 @@ then
 	test -z "$verbose" && verbose_only="$valgrind_only"
 elif test -n "$valgrind"
 then
-	verbose=t
+	test -z "$verbose_log" && verbose=t
 fi
 
 if test -n "$color"