From 19fe610eac370954cbfdd05df5b1b6437cc84dce Mon Sep 17 00:00:00 2001
From: Sven van Heugten <sven@memcmp.org>
Date: Thu, 5 Mar 2026 20:17:13 +0100
Subject: [PATCH] Avoid a bunch of duplication

---
 test/mechanicaldiff.bats | 38 ++++++--------------------------------
 1 file changed, 6 insertions(+), 32 deletions(-)

diff --git a/test/mechanicaldiff.bats b/test/mechanicaldiff.bats
index ed5bbd2..1c768ea 100755
--- a/test/mechanicaldiff.bats
+++ b/test/mechanicaldiff.bats
@@ -47,38 +47,12 @@ setup() {
 	ten
 	delta
 	EOF
-  cat >"$BATS_TEST_TMPDIR/new" <<-'EOF'
-	alpha
-	beta_changed
-	gamma
-	one
-	two
-	three
-	four
-	five
-	six
-	seven
-	eight
-	nine
-	ten
-	delta_changed
-	EOF
-  cat >"$BATS_TEST_TMPDIR/new_kept" <<-'EOF'
-	alpha
-	beta_changed
-	gamma
-	one
-	two
-	three
-	four
-	five
-	six
-	seven
-	eight
-	nine
-	ten
-	delta
-	EOF
+  sed \
+    -e 's/beta/beta_changed/' \
+    -e 's/delta/delta_changed/' \
+    "$BATS_TEST_TMPDIR/old" >"$BATS_TEST_TMPDIR/new"
+  sed 's/beta/beta_changed/' "$BATS_TEST_TMPDIR/old" \
+    >"$BATS_TEST_TMPDIR/new_kept"
 
   git diff --no-index "$BATS_TEST_TMPDIR/old" \
     "$BATS_TEST_TMPDIR/new" \