t2300: run git-sh-setup in an environment that better mimics the real life

diff --git a/t/t7504-commit-msg-hook.sh b/t/t7504-commit-msg-hook.sh
index 88577af9535b5ed7027ec2b6b752df3b78d7bab4..8728db61d38905d9e3e699cb9f450716e4236017 100755 (executable)
--- a/t/t7504-commit-msg-hook.sh
+++ b/t/t7504-commit-msg-hook.sh
@@ -105,7 +105,7 @@ test_expect_success 'with failing hook' '
 
        echo "another" >> file &&
        git add file &&
-       ! git commit -m "another"
+       test_must_fail git commit -m "another"
 
 '
 
@@ -136,7 +136,7 @@ test_expect_success '--no-verify with failing hook (editor)' '
 '
 
 chmod -x "$HOOK"
-test_expect_success 'with non-executable hook' '
+test_expect_success POSIXPERM 'with non-executable hook' '
 
        echo "content" >> file &&
        git add file &&
@@ -144,7 +144,7 @@ test_expect_success 'with non-executable hook' '
 
 '
 
-test_expect_success 'with non-executable hook (editor)' '
+test_expect_success POSIXPERM 'with non-executable hook (editor)' '
 
        echo "content again" >> file &&
        git add file &&
@@ -153,7 +153,7 @@ test_expect_success 'with non-executable hook (editor)' '
 
 '
 
-test_expect_success '--no-verify with non-executable hook' '
+test_expect_success POSIXPERM '--no-verify with non-executable hook' '
 
        echo "more content" >> file &&
        git add file &&
@@ -161,7 +161,7 @@ test_expect_success '--no-verify with non-executable hook' '
 
 '
 
-test_expect_success '--no-verify with non-executable hook (editor)' '
+test_expect_success POSIXPERM '--no-verify with non-executable hook (editor)' '
 
        echo "even more content" >> file &&
        git add file &&
@@ -179,7 +179,7 @@ EOF
 chmod +x "$HOOK"
 
 commit_msg_is () {
-       test "`git log --pretty=format:%s%b -1`" = "$1"
+       test "$(git log --pretty=format:%s%b -1)" = "$1"
 }
 
 test_expect_success 'hook edits commit message' '