t7410: update to new style

While at it fix a typo (s/independed/independent) and
make sure git is not in a chain of pipes.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t/t7410-submodule-checkout-to.sh

@@ -6,55 +6,72 @@ test_description='Combination of submodules and multiple workdirs'
 
 base_path=$(pwd -P)
 
-test_expect_success 'setup: make origin' \
-    'mkdir -p origin/sub && ( cd origin/sub && git init &&
-	echo file1 >file1 &&
-	git add file1 &&
-	git commit -m file1 ) &&
-    mkdir -p origin/main && ( cd origin/main && git init &&
-	git submodule add ../sub &&
-	git commit -m "add sub" ) &&
-    ( cd origin/sub &&
-	echo file1updated >file1 &&
-	git add file1 &&
-	git commit -m "file1 updated" ) &&
-    ( cd origin/main/sub && git pull ) &&
-    ( cd origin/main &&
-	git add sub &&
-	git commit -m "sub updated" )'
+test_expect_success 'setup: make origin'  '
+	mkdir -p origin/sub &&
+	(
+		cd origin/sub && git init &&
+		echo file1 >file1 &&
+		git add file1 &&
+		git commit -m file1
+	) &&
+	mkdir -p origin/main &&
+	(
+		cd origin/main && git init &&
+		git submodule add ../sub &&
+		git commit -m "add sub"
+	) &&
+	(
+		cd origin/sub &&
+		echo file1updated >file1 &&
+		git add file1 &&
+		git commit -m "file1 updated"
+	) &&
+	git -C origin/main/sub pull &&
+	(
+		cd origin/main &&
+		git add sub &&
+		git commit -m "sub updated"
+	)
+'
 
-test_expect_success 'setup: clone' \
-    'mkdir clone && ( cd clone &&
-	git clone --recursive "$base_path/origin/main")'
+test_expect_success 'setup: clone' '
+	mkdir clone &&
+	git -C clone clone --recursive "$base_path/origin/main"
+'
 
 rev1_hash_main=$(git --git-dir=origin/main/.git show --pretty=format:%h -q "HEAD~1")
 rev1_hash_sub=$(git --git-dir=origin/sub/.git show --pretty=format:%h -q "HEAD~1")
 
-test_expect_success 'checkout main' \
-    'mkdir default_checkout &&
-    (cd clone/main &&
-	git worktree add "$base_path/default_checkout/main" "$rev1_hash_main")'
+test_expect_success 'checkout main' '
+	mkdir default_checkout &&
+	git -C clone/main worktree add "$base_path/default_checkout/main" "$rev1_hash_main"
+'
 
-test_expect_failure 'can see submodule diffs just after checkout' \
-    '(cd default_checkout/main && git diff --submodule master"^!" | grep "file1 updated")'
+test_expect_failure 'can see submodule diffs just after checkout' '
+	git -C default_checkout/main diff --submodule master"^!" >out &&
+	grep "file1 updated" out
+'
 
-test_expect_success 'checkout main and initialize independed clones' \
-    'mkdir fully_cloned_submodule &&
-    (cd clone/main &&
-	git worktree add "$base_path/fully_cloned_submodule/main" "$rev1_hash_main") &&
-    (cd fully_cloned_submodule/main && git submodule update)'
+test_expect_success 'checkout main and initialize independent clones' '
+	mkdir fully_cloned_submodule &&
+	git -C clone/main worktree add "$base_path/fully_cloned_submodule/main" "$rev1_hash_main" &&
+	git -C fully_cloned_submodule/main submodule update
+'
 
-test_expect_success 'can see submodule diffs after independed cloning' \
-    '(cd fully_cloned_submodule/main && git diff --submodule master"^!" | grep "file1 updated")'
+test_expect_success 'can see submodule diffs after independent cloning' '
+	git -C fully_cloned_submodule/main diff --submodule master"^!" >out &&
+	grep "file1 updated" out
+'
 
-test_expect_success 'checkout sub manually' \
-    'mkdir linked_submodule &&
-    (cd clone/main &&
-	git worktree add "$base_path/linked_submodule/main" "$rev1_hash_main") &&
-    (cd clone/main/sub &&
-	git worktree add "$base_path/linked_submodule/main/sub" "$rev1_hash_sub")'
+test_expect_success 'checkout sub manually' '
+	mkdir linked_submodule &&
+	git -C clone/main worktree add "$base_path/linked_submodule/main" "$rev1_hash_main" &&
+	git -C clone/main/sub worktree add "$base_path/linked_submodule/main/sub" "$rev1_hash_sub"
+'
 
-test_expect_success 'can see submodule diffs after manual checkout of linked submodule' \
-    '(cd linked_submodule/main && git diff --submodule master"^!" | grep "file1 updated")'
+test_expect_success 'can see submodule diffs after manual checkout of linked submodule' '
+	git -C linked_submodule/main diff --submodule master"^!" >out &&
+	grep "file1 updated" out
+'
 
 test_done