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/t3432-rebase-fast-forward.sh | 141 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 141 insertions(+)
 create mode 100755 t/t3432-rebase-fast-forward.sh

(limited to 't/t3432-rebase-fast-forward.sh')

diff --git a/t/t3432-rebase-fast-forward.sh b/t/t3432-rebase-fast-forward.sh
new file mode 100755
index 0000000..5086e14
--- /dev/null
+++ b/t/t3432-rebase-fast-forward.sh
@@ -0,0 +1,141 @@
+#!/bin/sh
+#
+# Copyright (c) 2019 Denton Liu
+#
+
+test_description='ensure rebase fast-forwards commits when possible'
+
+GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
+export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
+
+. ./test-lib.sh
+
+test_expect_success setup '
+	test_commit A &&
+	test_commit B &&
+	test_commit C &&
+	test_commit D &&
+	git checkout -t -b side
+'
+
+test_rebase_same_head () {
+	status_n="$1" &&
+	shift &&
+	what_n="$1" &&
+	shift &&
+	cmp_n="$1" &&
+	shift &&
+	status_f="$1" &&
+	shift &&
+	what_f="$1" &&
+	shift &&
+	cmp_f="$1" &&
+	shift &&
+	test_rebase_same_head_ $status_n $what_n $cmp_n 0 " --apply" "$*" &&
+	test_rebase_same_head_ $status_f $what_f $cmp_f 0 " --apply --no-ff" "$*"
+	test_rebase_same_head_ $status_n $what_n $cmp_n 0 " --merge" "$*" &&
+	test_rebase_same_head_ $status_f $what_f $cmp_f 0 " --merge --no-ff" "$*"
+	test_rebase_same_head_ $status_n $what_n $cmp_n 1 " --merge" "$*" &&
+	test_rebase_same_head_ $status_f $what_f $cmp_f 1 " --merge --no-ff" "$*"
+}
+
+test_rebase_same_head_ () {
+	status="$1" &&
+	shift &&
+	what="$1" &&
+	shift &&
+	cmp="$1" &&
+	shift &&
+	abbreviate="$1" &&
+	shift &&
+	flag="$1"
+	shift &&
+	if test $abbreviate -eq 1
+	then
+		msg="git rebase$flag $* (rebase.abbreviateCommands = true) with $changes is $what with $cmp HEAD"
+	else
+		msg="git rebase$flag $* with $changes is $what with $cmp HEAD"
+	fi &&
+	test_expect_$status "$msg" "
+		if test $abbreviate -eq 1
+		then
+			test_config rebase.abbreviateCommands true
+		fi &&
+		oldhead=\$(git rev-parse HEAD) &&
+		test_when_finished 'git reset --hard \$oldhead' &&
+		git reflog HEAD >expect &&
+		git rebase$flag $* >stdout &&
+		git reflog HEAD >actual &&
+		if test $what = work
+		then
+			old=\$(wc -l <expect) &&
+			test_line_count '-gt' \$old actual
+		elif test $what = noop
+		then
+			test_cmp expect actual
+		fi &&
+		newhead=\$(git rev-parse HEAD) &&
+		if test $cmp = same
+		then
+			test_cmp_rev \$oldhead \$newhead
+		elif test $cmp = diff
+		then
+			test_cmp_rev ! \$oldhead \$newhead
+		fi
+	"
+}
+
+changes='no changes'
+test_rebase_same_head success noop same success work same
+test_rebase_same_head success noop same success work same main
+test_rebase_same_head success noop same success work diff --onto B B
+test_rebase_same_head success noop same success work diff --onto B... B
+test_rebase_same_head success noop same success work same --onto main... main
+test_rebase_same_head success noop same success work same --keep-base main
+test_rebase_same_head success noop same success work same --keep-base
+test_rebase_same_head success noop same success work same --no-fork-point
+test_rebase_same_head success noop same success work same --keep-base --no-fork-point
+test_rebase_same_head success noop same success work same --fork-point main
+test_rebase_same_head success noop same success work diff --fork-point --onto B B
+test_rebase_same_head success noop same success work diff --fork-point --onto B... B
+test_rebase_same_head success noop same success work same --fork-point --onto main... main
+test_rebase_same_head success noop same success work same --keep-base --keep-base main
+
+test_expect_success 'add work same to side' '
+	test_commit E
+'
+
+changes='our changes'
+test_rebase_same_head success noop same success work same
+test_rebase_same_head success noop same success work same main
+test_rebase_same_head success noop same success work diff --onto B B
+test_rebase_same_head success noop same success work diff --onto B... B
+test_rebase_same_head success noop same success work same --onto main... main
+test_rebase_same_head success noop same success work same --keep-base main
+test_rebase_same_head success noop same success work same --keep-base
+test_rebase_same_head success noop same success work same --no-fork-point
+test_rebase_same_head success noop same success work same --keep-base --no-fork-point
+test_rebase_same_head success noop same success work same --fork-point main
+test_rebase_same_head success noop same success work diff --fork-point --onto B B
+test_rebase_same_head success noop same success work diff --fork-point --onto B... B
+test_rebase_same_head success noop same success work same --fork-point --onto main... main
+test_rebase_same_head success noop same success work same --fork-point --keep-base main
+
+test_expect_success 'add work same to upstream' '
+	git checkout main &&
+	test_commit F &&
+	git checkout side
+'
+
+changes='our and their changes'
+test_rebase_same_head success noop same success work diff --onto B B
+test_rebase_same_head success noop same success work diff --onto B... B
+test_rebase_same_head success noop same success work diff --onto main... main
+test_rebase_same_head success noop same success work diff --keep-base main
+test_rebase_same_head success noop same success work diff --keep-base
+test_rebase_same_head failure work same success work diff --fork-point --onto B B
+test_rebase_same_head failure work same success work diff --fork-point --onto B... B
+test_rebase_same_head success noop same success work diff --fork-point --onto main... main
+test_rebase_same_head success noop same success work diff --fork-point --keep-base main
+
+test_done
-- 
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