1 files changed, 258 insertions, 0 deletions
diff --git a/t/t3406-rebase-message.sh b/t/t3406-rebase-message.sh
new file mode 100755
index 0000000..ceca160
--- /dev/null
+++ b/t/t3406-rebase-message.sh
@@ -0,0 +1,258 @@
+#!/bin/sh
+
+test_description='messages from rebase operation'
+
+GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
+export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
+
+. ./test-lib.sh
+
+test_expect_success 'setup' '
+	test_commit O fileO &&
+	test_commit X fileX &&
+	git branch fast-forward &&
+	test_commit A fileA &&
+	test_commit B fileB &&
+	test_commit Y fileY &&
+
+	git checkout -b conflicts O &&
+	test_commit P &&
+	test_commit conflict-X fileX &&
+	test_commit Q &&
+
+	git checkout -b topic O &&
+	git cherry-pick A B &&
+	test_commit Z fileZ &&
+	git tag start
+'
+
+test_expect_success 'rebase -m' '
+	git rebase -m main >actual &&
+	test_must_be_empty actual
+'
+
+test_expect_success 'rebase against main twice' '
+	git rebase --apply main >out &&
+	test_i18ngrep "Current branch topic is up to date" out
+'
+
+test_expect_success 'rebase against main twice with --force' '
+	git rebase --force-rebase --apply main >out &&
+	test_i18ngrep "Current branch topic is up to date, rebase forced" out
+'
+
+test_expect_success 'rebase against main twice from another branch' '
+	git checkout topic^ &&
+	git rebase --apply main topic >out &&
+	test_i18ngrep "Current branch topic is up to date" out
+'
+
+test_expect_success 'rebase fast-forward to main' '
+	git checkout topic^ &&
+	git rebase --apply topic >out &&
+	test_i18ngrep "Fast-forwarded HEAD to topic" out
+'
+
+test_expect_success 'rebase --stat' '
+	git reset --hard start &&
+	git rebase --stat main >diffstat.txt &&
+	grep "^ fileX |  *1 +$" diffstat.txt
+'
+
+test_expect_success 'rebase w/config rebase.stat' '
+	git reset --hard start &&
+	git config rebase.stat true &&
+	git rebase main >diffstat.txt &&
+	grep "^ fileX |  *1 +$" diffstat.txt
+'
+
+test_expect_success 'rebase -n overrides config rebase.stat config' '
+	git reset --hard start &&
+	git config rebase.stat true &&
+	git rebase -n main >diffstat.txt &&
+	! grep "^ fileX |  *1 +$" diffstat.txt
+'
+
+test_expect_success 'rebase --onto outputs the invalid ref' '
+	test_must_fail git rebase --onto invalid-ref HEAD HEAD 2>err &&
+	test_i18ngrep "invalid-ref" err
+'
+
+test_expect_success 'error out early upon -C<n> or --whitespace=<bad>' '
+	test_must_fail git rebase -Cnot-a-number HEAD 2>err &&
+	test_i18ngrep "numerical value" err &&
+	test_must_fail git rebase --whitespace=bad HEAD 2>err &&
+	test_i18ngrep "Invalid whitespace option" err
+'
+
+write_reflog_expect () {
+	if test $mode = --apply
+	then
+		sed 's/(continue)/(pick)/'
+	else
+		cat
+	fi >expect
+}
+
+test_reflog () {
+	mode=$1
+	reflog_action="$2"
+
+	test_expect_success "rebase $mode reflog${reflog_action:+ GIT_REFLOG_ACTION=$reflog_action}" '
+	git checkout conflicts &&
+	test_when_finished "git reset --hard Q" &&
+
+	(
+		if test -n "$reflog_action"
+		then
+			GIT_REFLOG_ACTION="$reflog_action" &&
+			export GIT_REFLOG_ACTION
+		fi &&
+		test_must_fail git rebase $mode main &&
+		echo resolved >fileX &&
+		git add fileX &&
+		git rebase --continue
+	) &&
+
+	git log -g --format=%gs -5 >actual &&
+	write_reflog_expect <<-EOF &&
+	${reflog_action:-rebase} (finish): returning to refs/heads/conflicts
+	${reflog_action:-rebase} (pick): Q
+	${reflog_action:-rebase} (continue): conflict-X
+	${reflog_action:-rebase} (pick): P
+	${reflog_action:-rebase} (start): checkout main
+	EOF
+	test_cmp expect actual &&
+
+	git log -g --format=%gs -1 conflicts >actual &&
+	write_reflog_expect <<-EOF &&
+	${reflog_action:-rebase} (finish): refs/heads/conflicts onto $(git rev-parse main)
+	EOF
+	test_cmp expect actual &&
+
+	# check there is only one new entry in the branch reflog
+	test_cmp_rev conflicts@{1} Q
+	'
+
+	test_expect_success "rebase $mode fast-forward reflog${reflog_action:+ GIT_REFLOG_ACTION=$reflog_action}" '
+	git checkout fast-forward &&
+	test_when_finished "git reset --hard X" &&
+
+	(
+		if test -n "$reflog_action"
+		then
+			GIT_REFLOG_ACTION="$reflog_action" &&
+			export GIT_REFLOG_ACTION
+		fi &&
+		git rebase $mode main
+	) &&
+
+	git log -g --format=%gs -2 >actual &&
+	write_reflog_expect <<-EOF &&
+	${reflog_action:-rebase} (finish): returning to refs/heads/fast-forward
+	${reflog_action:-rebase} (start): checkout main
+	EOF
+	test_cmp expect actual &&
+
+	git log -g --format=%gs -1 fast-forward >actual &&
+	write_reflog_expect <<-EOF &&
+	${reflog_action:-rebase} (finish): refs/heads/fast-forward onto $(git rev-parse main)
+	EOF
+	test_cmp expect actual &&
+
+	# check there is only one new entry in the branch reflog
+	test_cmp_rev fast-forward@{1} X
+	'
+
+	test_expect_success "rebase $mode --skip reflog${reflog_action:+ GIT_REFLOG_ACTION=$reflog_action}" '
+	git checkout conflicts &&
+	test_when_finished "git reset --hard Q" &&
+
+	(
+		if test -n "$reflog_action"
+		then
+			GIT_REFLOG_ACTION="$reflog_action" &&
+			export GIT_REFLOG_ACTION
+		fi &&
+		test_must_fail git rebase $mode main &&
+		git rebase --skip
+	) &&
+
+	git log -g --format=%gs -4 >actual &&
+	write_reflog_expect <<-EOF &&
+	${reflog_action:-rebase} (finish): returning to refs/heads/conflicts
+	${reflog_action:-rebase} (pick): Q
+	${reflog_action:-rebase} (pick): P
+	${reflog_action:-rebase} (start): checkout main
+	EOF
+	test_cmp expect actual
+	'
+
+	test_expect_success "rebase $mode --abort reflog${reflog_action:+ GIT_REFLOG_ACTION=$reflog_action}" '
+	git checkout conflicts &&
+	test_when_finished "git reset --hard Q" &&
+
+	git log -g -1 conflicts >branch-expect &&
+	(
+		if test -n "$reflog_action"
+		then
+			GIT_REFLOG_ACTION="$reflog_action" &&
+			export GIT_REFLOG_ACTION
+		fi &&
+		test_must_fail git rebase $mode main &&
+		git rebase --abort
+	) &&
+
+	git log -g --format=%gs -3 >actual &&
+	write_reflog_expect <<-EOF &&
+	${reflog_action:-rebase} (abort): returning to refs/heads/conflicts
+	${reflog_action:-rebase} (pick): P
+	${reflog_action:-rebase} (start): checkout main
+	EOF
+	test_cmp expect actual &&
+
+	# check branch reflog is unchanged
+	git log -g -1 conflicts >branch-actual &&
+	test_cmp branch-expect branch-actual
+	'
+
+	test_expect_success "rebase $mode --abort detached HEAD reflog${reflog_action:+ GIT_REFLOG_ACTION=$reflog_action}" '
+	git checkout Q &&
+	test_when_finished "git reset --hard Q" &&
+
+	(
+		if test -n "$reflog_action"
+		then
+			GIT_REFLOG_ACTION="$reflog_action" &&
+			export GIT_REFLOG_ACTION
+		fi &&
+		test_must_fail git rebase $mode main &&
+		git rebase --abort
+	) &&
+
+	git log -g --format=%gs -3 >actual &&
+	write_reflog_expect <<-EOF &&
+	${reflog_action:-rebase} (abort): returning to $(git rev-parse Q)
+	${reflog_action:-rebase} (pick): P
+	${reflog_action:-rebase} (start): checkout main
+	EOF
+	test_cmp expect actual
+	'
+}
+
+test_reflog --merge
+test_reflog --merge my-reflog-action
+test_reflog --apply
+test_reflog --apply my-reflog-action
+
+test_expect_success 'rebase -i onto unrelated history' '
+	git init unrelated &&
+	test_commit -C unrelated 1 &&
+	git -C unrelated remote add -f origin "$PWD" &&
+	git -C unrelated branch --set-upstream-to=origin/main &&
+	git -C unrelated -c core.editor=true rebase -i -v --stat >actual &&
+	test_i18ngrep "Changes to " actual &&
+	test_i18ngrep "5 files changed" actual
+'
+
+test_done