An unnamed colleague of Ævar Arnfjörð Bjarmason reported a breakage
where a `pull --rebase` (which did not really need to do anything but
stash, see that nothing was changed, and apply the stash again) also
detached the HEAD.
This patch adds a minimal reproducer for this regression.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
git rebase -i --autostash HEAD
'
+test_expect_failure 'branch is left alone when possible' '
+ git checkout -b unchanged-branch &&
+ echo changed >file0 &&
+ git rebase --autostash unchanged-branch &&
+ test changed = "$(cat file0)" &&
+ test unchanged-branch = "$(git rev-parse --abbrev-ref HEAD)"
+'
+
test_done