From c8bae7493d2f2910b57f13ded012e86bdcfb0532 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 16:47:53 +0200
Subject: Adding upstream version 1:2.39.2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 t/lib-patch-mode.sh | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 t/lib-patch-mode.sh

(limited to 't/lib-patch-mode.sh')

diff --git a/t/lib-patch-mode.sh b/t/lib-patch-mode.sh
new file mode 100644
index 0000000..cfd76bf
--- /dev/null
+++ b/t/lib-patch-mode.sh
@@ -0,0 +1,50 @@
+: included from t2016 and others
+
+. ./test-lib.sh
+
+# set_state <path> <worktree-content> <index-content>
+#
+# Prepare the content for path in worktree and the index as specified.
+set_state () {
+	echo "$3" > "$1" &&
+	git add "$1" &&
+	echo "$2" > "$1"
+}
+
+# save_state <path>
+#
+# Save index/worktree content of <path> in the files _worktree_<path>
+# and _index_<path>
+save_state () {
+	noslash="$(echo "$1" | tr / _)" &&
+	cat "$1" > _worktree_"$noslash" &&
+	git show :"$1" > _index_"$noslash"
+}
+
+# set_and_save_state <path> <worktree-content> <index-content>
+set_and_save_state () {
+	set_state "$@" &&
+	save_state "$1"
+}
+
+# verify_state <path> <expected-worktree-content> <expected-index-content>
+verify_state () {
+	test "$(cat "$1")" = "$2" &&
+	test "$(git show :"$1")" = "$3"
+}
+
+# verify_saved_state <path>
+#
+# Call verify_state with expected contents from the last save_state
+verify_saved_state () {
+	noslash="$(echo "$1" | tr / _)" &&
+	verify_state "$1" "$(cat _worktree_"$noslash")" "$(cat _index_"$noslash")"
+}
+
+save_head () {
+	git rev-parse HEAD > _head
+}
+
+verify_saved_head () {
+	test "$(cat _head)" = "$(git rev-parse HEAD)"
+}
-- 
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