[PATCH 1/3] t3428: modernize test setup

["Phillip Wood via GitGitGadget" <gitgitgadget@gmail.com>]

From: Phillip Wood <phillip.wood@dunelm.org.uk>

Perform the setup in a dedicated test so the later tests can be run
independently. Also avoid running git upstream of a pipe and take
advantage of test_commit.

Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
---
 t/t3428-rebase-signoff.sh | 42 +++++++++++++++++++--------------------
 1 file changed, 21 insertions(+), 21 deletions(-)

diff --git a/t/t3428-rebase-signoff.sh b/t/t3428-rebase-signoff.sh
index e1b1e947647..975b859ce09 100755
--- a/t/t3428-rebase-signoff.sh
+++ b/t/t3428-rebase-signoff.sh
@@ -8,37 +8,37 @@ This test runs git rebase --signoff and make sure that it works.
 TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
-# A simple file to commit
-cat >file <<EOF
-a
-EOF
+test_expect_success 'setup' '
+	git commit --allow-empty -m "Initial empty commit" &&
+	test_commit first file a &&
+
+	ident="$GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>" &&
 
-# Expected commit message for initial commit after rebase --signoff
-cat >expected-initial-signed <<EOF
-Initial empty commit
+	# Expected commit message for initial commit after rebase --signoff
+	cat >expected-initial-signed <<-EOF &&
+	Initial empty commit
 
-Signed-off-by: $(git var GIT_COMMITTER_IDENT | sed -e "s/>.*/>/")
-EOF
+	Signed-off-by: $ident
+	EOF
 
-# Expected commit message after rebase --signoff
-cat >expected-signed <<EOF
-first
+	# Expected commit message after rebase --signoff
+	cat >expected-signed <<-EOF &&
+	first
 
-Signed-off-by: $(git var GIT_COMMITTER_IDENT | sed -e "s/>.*/>/")
-EOF
+	Signed-off-by: $ident
+	EOF
 
-# Expected commit message after rebase without --signoff (or with --no-signoff)
-cat >expected-unsigned <<EOF
-first
-EOF
+	# Expected commit message after rebase without --signoff (or with --no-signoff)
+	cat >expected-unsigned <<-EOF &&
+	first
+	EOF
 
+	git config alias.rbs "rebase --signoff"
+'
 
 # We configure an alias to do the rebase --signoff so that
 # on the next subtest we can show that --no-signoff overrides the alias
 test_expect_success 'rebase --signoff adds a sign-off line' '
-	git commit --allow-empty -m "Initial empty commit" &&
-	git add file && git commit -m first &&
-	git config alias.rbs "rebase --signoff" &&
 	git rbs HEAD^ &&
 	git cat-file commit HEAD | sed -e "1,/^\$/d" > actual &&
 	test_cmp expected-signed actual
-- 
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