[PATCH] t1800: add &&-chains to test helper functions

[Adrian Ratiu <adrian.ratiu@collabora.com>]

Add the missing &&'s so we properly propagate failures
between commands in the hook helper functions.

Also add a missing mkdir -p arg (found by adding the &&).

Reported-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Adrian Ratiu <adrian.ratiu@collabora.com>
---
This is a small fix reported by Szeder, based on the master branch
GitHub branch: https://github.com/10ne1/git/tree/refs/heads/dev/aratiu/tests-add-missing-and-chains
Clean CI run: https://github.com/10ne1/git/actions/runs/24137982261
---
 t/t1800-hook.sh | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/t/t1800-hook.sh b/t/t1800-hook.sh
index 96749fc06d..33decc66c0 100755
--- a/t/t1800-hook.sh
+++ b/t/t1800-hook.sh
@@ -6,16 +6,16 @@ test_description='git-hook command and config-managed multihooks'
 . "$TEST_DIRECTORY"/lib-terminal.sh
 
 setup_hooks () {
-	test_config hook.ghi.command "/path/ghi"
-	test_config hook.ghi.event pre-commit --add
-	test_config hook.ghi.event test-hook --add
-	test_config_global hook.def.command "/path/def"
+	test_config hook.ghi.command "/path/ghi" &&
+	test_config hook.ghi.event pre-commit --add &&
+	test_config hook.ghi.event test-hook --add &&
+	test_config_global hook.def.command "/path/def" &&
 	test_config_global hook.def.event pre-commit --add
 }
 
 setup_hookdir () {
-	mkdir .git/hooks
-	write_script .git/hooks/pre-commit <<-EOF
+	mkdir -p .git/hooks &&
+	write_script .git/hooks/pre-commit <<-EOF &&
 	echo \"Legacy Hook\"
 	EOF
 	test_when_finished rm -rf .git/hooks
-- 
2.52.0